GithubStar/Dapper
1
0
Fork 0
mirror of https://github.com/DapperLib/Dapper.git synced 2026-10-19 23:28:15 +08:00
Code Issues Packages Projects Releases Wiki Activity
Files
1.28
Dapper/Tests/Tests.cs
T

3509 lines
132 KiB
C#
Raw Permalink Blame History

//#define POSTGRESQL // uncomment to run postgres tests
using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using Dapper;
using System.Data.SqlServerCe;
using System.IO;
using System.Data;
using System.Collections;
using System.Reflection;
using System.Dynamic;
using System.ComponentModel;
using Microsoft.CSharp.RuntimeBinder;
using System.Data.Common;
using System.Globalization;
using System.Threading;
using System.Data.Entity.Spatial;
#if POSTGRESQL
using Npgsql;
#endif
namespace SqlMapper
{
class Tests
{
SqlConnection connection = Program.GetOpenConnection();
public class AbstractInheritance
{
public abstract class Order
{
internal int Internal { get; set; }
protected int Protected { get; set; }
public int Public { get; set; }
public int ProtectedVal { get { return Protected; } }
}
public class ConcreteOrder : Order
{
public int Concrete { get; set; }
}
}
class UserWithConstructor
{
public UserWithConstructor(int id, string name)
{
Ident = id;
FullName = name;
}
public int Ident { get; set; }
public string FullName { get; set; }
}
class PostWithConstructor
{
public PostWithConstructor(int id, int ownerid, string content)
{
Ident = id;
FullContent = content;
}
public int Ident { get; set; }
public UserWithConstructor Owner { get; set; }
public string FullContent { get; set; }
public Comment Comment { get; set; }
}
public void TestMultiMapWithConstructor()
{
var createSql = @"
create table #Users (Id int, Name varchar(20))
create table #Posts (Id int, OwnerId int, Content varchar(20))
insert #Users values(99, 'Sam')
insert #Users values(2, 'I am')
insert #Posts values(1, 99, 'Sams Post1')
insert #Posts values(2, 99, 'Sams Post2')
insert #Posts values(3, null, 'no ones post')";
connection.Execute(createSql);
try
{
string sql = @"select * from #Posts p
left join #Users u on u.Id = p.OwnerId
Order by p.Id";
PostWithConstructor[] data = connection.Query<PostWithConstructor, UserWithConstructor, PostWithConstructor>(sql, (post, user) => { post.Owner = user; return post; }).ToArray();
var p = data.First();
p.FullContent.IsEqualTo("Sams Post1");
p.Ident.IsEqualTo(1);
p.Owner.FullName.IsEqualTo("Sam");
p.Owner.Ident.IsEqualTo(99);
data[2].Owner.IsNull();
}
finally
{
connection.Execute("drop table #Users drop table #Posts");
}
}
class MultipleConstructors
{
public MultipleConstructors()
{
}
public MultipleConstructors(int a, string b)
{
A = a + 1;
B = b + "!";
}
public int A { get; set; }
public string B { get; set; }
}
public void TestMultipleConstructors()
{
MultipleConstructors mult = connection.Query<MultipleConstructors>("select 0 A, 'Dapper' b").First();
mult.A.IsEqualTo(0);
mult.B.IsEqualTo("Dapper");
}
class ConstructorsWithAccessModifiers
{
private ConstructorsWithAccessModifiers()
{
}
public ConstructorsWithAccessModifiers(int a, string b)
{
A = a + 1;
B = b + "!";
}
public int A { get; set; }
public string B { get; set; }
}
public void TestConstructorsWithAccessModifiers()
{
ConstructorsWithAccessModifiers value = connection.Query<ConstructorsWithAccessModifiers>("select 0 A, 'Dapper' b").First();
value.A.IsEqualTo(1);
value.B.IsEqualTo("Dapper!");
}
class NoDefaultConstructor
{
public NoDefaultConstructor(int a1, int? b1, float f1, string s1, Guid G1)
{
A = a1;
B = b1;
F = f1;
S = s1;
G = G1;
}
public int A { get; set; }
public int? B { get; set; }
public float F { get; set; }
public string S { get; set; }
public Guid G { get; set; }
}
public void TestNoDefaultConstructor()
{
var guid = Guid.NewGuid();
NoDefaultConstructor nodef = connection.Query<NoDefaultConstructor>("select CAST(NULL AS integer) A1, CAST(NULL AS integer) b1, CAST(NULL AS real) f1, 'Dapper' s1, G1 = @id", new { id = guid }).First();
nodef.A.IsEqualTo(0);
nodef.B.IsEqualTo(null);
nodef.F.IsEqualTo(0);
nodef.S.IsEqualTo("Dapper");
nodef.G.IsEqualTo(guid);
}
class NoDefaultConstructorWithChar
{
public NoDefaultConstructorWithChar(char c1, char? c2, char? c3)
{
Char1 = c1;
Char2 = c2;
Char3 = c3;
}
public char Char1 { get; set; }
public char? Char2 { get; set; }
public char? Char3 { get; set; }
}
public void TestNoDefaultConstructorWithChar()
{
const char c1 = 'ą';
const char c3 = 'ó';
NoDefaultConstructorWithChar nodef = connection.Query<NoDefaultConstructorWithChar>("select @c1 c1, @c2 c2, @c3 c3", new { c1 = c1, c2 = (char?)null, c3 = c3 }).First();
nodef.Char1.IsEqualTo(c1);
nodef.Char2.IsEqualTo(null);
nodef.Char3.IsEqualTo(c3);
}
class NoDefaultConstructorWithEnum
{
public NoDefaultConstructorWithEnum(ShortEnum e1, ShortEnum? n1, ShortEnum? n2)
{
E = e1;
NE1 = n1;
NE2 = n2;
}
public ShortEnum E { get; set; }
public ShortEnum? NE1 { get; set; }
public ShortEnum? NE2 { get; set; }
}
public void TestNoDefaultConstructorWithEnum()
{
NoDefaultConstructorWithEnum nodef = connection.Query<NoDefaultConstructorWithEnum>("select cast(2 as smallint) E1, cast(5 as smallint) n1, cast(null as smallint) n2").First();
nodef.E.IsEqualTo(ShortEnum.Two);
nodef.NE1.IsEqualTo(ShortEnum.Five);
nodef.NE2.IsEqualTo(null);
}
class NoDefaultConstructorWithBinary
{
public System.Data.Linq.Binary Value { get; set; }
public int Ynt { get; set; }
public NoDefaultConstructorWithBinary(System.Data.Linq.Binary val)
{
Value = val;
}
}
public void TestNoDefaultConstructorBinary()
{
byte[] orig = new byte[20];
new Random(123456).NextBytes(orig);
var input = new System.Data.Linq.Binary(orig);
var output = connection.Query<NoDefaultConstructorWithBinary>("select @input as val", new { input }).First().Value;
output.ToArray().IsSequenceEqualTo(orig);
}
// http://stackoverflow.com/q/8593871
public void TestAbstractInheritance()
{
var order = connection.Query<AbstractInheritance.ConcreteOrder>("select 1 Internal,2 Protected,3 [Public],4 Concrete").First();
order.Internal.IsEqualTo(1);
order.ProtectedVal.IsEqualTo(2);
order.Public.IsEqualTo(3);
order.Concrete.IsEqualTo(4);
}
public void TestListOfAnsiStrings()
{
var results = connection.Query<string>("select * from (select 'a' str union select 'b' union select 'c') X where str in @strings",
new { strings = new[] { new DbString { IsAnsi = true, Value = "a" }, new DbString { IsAnsi = true, Value = "b" } } }).ToList();
results[0].IsEqualTo("a");
results[1].IsEqualTo("b");
}
public void TestNullableGuidSupport()
{
var guid = connection.Query<Guid?>("select null").First();
guid.IsNull();
guid = Guid.NewGuid();
var guid2 = connection.Query<Guid?>("select @guid", new { guid }).First();
guid.IsEqualTo(guid2);
}
public void TestNonNullableGuidSupport()
{
var guid = Guid.NewGuid();
var guid2 = connection.Query<Guid?>("select @guid", new { guid }).First();
Assert.IsTrue(guid == guid2);
}
struct Car
{
public enum TrapEnum : int
{
A = 1,
B = 2
}
#pragma warning disable 0649
public string Name;
#pragma warning restore 0649
public int Age { get; set; }
public TrapEnum Trap { get; set; }
}
public void TestStructs()
{
var car = connection.Query<Car>("select 'Ford' Name, 21 Age, 2 Trap").First();
car.Age.IsEqualTo(21);
car.Name.IsEqualTo("Ford");
((int)car.Trap).IsEqualTo(2);
}
public void SelectListInt()
{
connection.Query<int>("select 1 union all select 2 union all select 3")
.IsSequenceEqualTo(new[] { 1, 2, 3 });
}
public void SelectBinary()
{
connection.Query<byte[]>("select cast(1 as varbinary(4))").First().SequenceEqual(new byte[] { 1 });
}
public void PassInIntArray()
{
connection.Query<int>("select * from (select 1 as Id union all select 2 union all select 3) as X where Id in @Ids", new { Ids = new int[] { 1, 2, 3 }.AsEnumerable() })
.IsSequenceEqualTo(new[] { 1, 2, 3 });
}
public void PassInEmptyIntArray()
{
connection.Query<int>("select * from (select 1 as Id union all select 2 union all select 3) as X where Id in @Ids", new { Ids = new int[0] })
.IsSequenceEqualTo(new int[0]);
}
public void TestSchemaChanged()
{
connection.Execute("create table #dog(Age int, Name nvarchar(max)) insert #dog values(1, 'Alf')");
try
{
var d = connection.Query<Dog>("select * from #dog").Single();
d.Name.IsEqualTo("Alf");
d.Age.IsEqualTo(1);
connection.Execute("alter table #dog drop column Name");
d = connection.Query<Dog>("select * from #dog").Single();
d.Name.IsNull();
d.Age.IsEqualTo(1);
}
finally
{
connection.Execute("drop table #dog");
}
}
public void TestSchemaChangedMultiMap()
{
connection.Execute("create table #dog(Age int, Name nvarchar(max)) insert #dog values(1, 'Alf')");
try
{
var tuple = connection.Query<Dog, Dog, Tuple<Dog, Dog>>("select * from #dog d1 join #dog d2 on 1=1", (d1, d2) => Tuple.Create(d1, d2), splitOn: "Age").Single();
tuple.Item1.Name.IsEqualTo("Alf");
tuple.Item1.Age.IsEqualTo(1);
tuple.Item2.Name.IsEqualTo("Alf");
tuple.Item2.Age.IsEqualTo(1);
connection.Execute("alter table #dog drop column Name");
tuple = connection.Query<Dog, Dog, Tuple<Dog, Dog>>("select * from #dog d1 join #dog d2 on 1=1", (d1, d2) => Tuple.Create(d1, d2), splitOn: "Age").Single();
tuple.Item1.Name.IsNull();
tuple.Item1.Age.IsEqualTo(1);
tuple.Item2.Name.IsNull();
tuple.Item2.Age.IsEqualTo(1);
}
finally
{
connection.Execute("drop table #dog");
}
}
public void TestReadMultipleIntegersWithSplitOnAny()
{
connection.Query<int, int, int, Tuple<int, int, int>>(
"select 1,2,3 union all select 4,5,6", Tuple.Create, splitOn: "*")
.IsSequenceEqualTo(new[] { Tuple.Create(1, 2, 3), Tuple.Create(4, 5, 6) });
}
public void TestDoubleParam()
{
connection.Query<double>("select @d", new { d = 0.1d }).First()
.IsEqualTo(0.1d);
}
public void TestBoolParam()
{
connection.Query<bool>("select @b", new { b = false }).First()
.IsFalse();
}
// http://code.google.com/p/dapper-dot-net/issues/detail?id=70
// https://connect.microsoft.com/VisualStudio/feedback/details/381934/sqlparameter-dbtype-dbtype-time-sets-the-parameter-to-sqldbtype-datetime-instead-of-sqldbtype-time
public void TestTimeSpanParam()
{
connection.Query<TimeSpan>("select @ts", new { ts = TimeSpan.FromMinutes(42) }).First()
.IsEqualTo(TimeSpan.FromMinutes(42));
}
public void TestStrings()
{
connection.Query<string>(@"select 'a' a union select 'b'")
.IsSequenceEqualTo(new[] { "a", "b" });
}
// see http://stackoverflow.com/questions/16726709/string-format-with-sql-wildcard-causing-dapper-query-to-break
public void CheckComplexConcat()
{
string end_wildcard = @"
SELECT * FROM #users16726709
WHERE (first_name LIKE CONCAT(@search_term, '%') OR last_name LIKE CONCAT(@search_term, '%'));";
string both_wildcards = @"
SELECT * FROM #users16726709
WHERE (first_name LIKE CONCAT('%', @search_term, '%') OR last_name LIKE CONCAT('%', @search_term, '%'));";
string formatted = @"
SELECT * FROM #users16726709
WHERE (first_name LIKE {0} OR last_name LIKE {0});";
string use_end_only = @"CONCAT(@search_term, '%')";
string use_both = @"CONCAT('%', @search_term, '%')";
// if true, slower query due to not being able to use indices, but will allow searching inside strings
bool allow_start_wildcards = false;
string query = String.Format(formatted, allow_start_wildcards ? use_both : use_end_only);
string term = "F"; // the term the user searched for
connection.Execute(@"create table #users16726709 (first_name varchar(200), last_name varchar(200))
insert #users16726709 values ('Fred','Bloggs') insert #users16726709 values ('Tony','Farcus') insert #users16726709 values ('Albert','TenoF')");
// Using Dapper
connection.Query(end_wildcard, new { search_term = term }).Count().IsEqualTo(2);
connection.Query(both_wildcards, new { search_term = term }).Count().IsEqualTo(3);
connection.Query(query, new { search_term = term }).Count().IsEqualTo(2);
}
enum EnumParam : short
{
None, A, B
}
class EnumParamObject
{
public EnumParam A { get; set; }
public EnumParam? B { get; set; }
public EnumParam? C { get; set; }
}
class EnumParamObjectNonNullable
{
public EnumParam A { get; set; }
public EnumParam? B { get; set; }
public EnumParam? C { get; set; }
}
public void TestEnumParamsWithNullable()
{
EnumParam a = EnumParam.A;
EnumParam? b = EnumParam.B, c = null;
var obj = connection.Query<EnumParamObject>("select @a as A, @b as B, @c as C",
new { a, b, c }).Single();
obj.A.IsEqualTo(EnumParam.A);
obj.B.IsEqualTo(EnumParam.B);
obj.C.IsEqualTo(null);
}
public void TestEnumParamsWithoutNullable()
{
EnumParam a = EnumParam.A;
EnumParam b = EnumParam.B, c = 0;
var obj = connection.Query<EnumParamObjectNonNullable>("select @a as A, @b as B, @c as C",
new { a, b, c }).Single();
obj.A.IsEqualTo(EnumParam.A);
obj.B.IsEqualTo(EnumParam.B);
obj.C.IsEqualTo((EnumParam)0);
}
public class Dog
{
public int? Age { get; set; }
public Guid Id { get; set; }
public string Name { get; set; }
public float? Weight { get; set; }
public int IgnoredProperty { get { return 1; } }
}
public void TestExtraFields()
{
var guid = Guid.NewGuid();
var dog = connection.Query<Dog>("select '' as Extra, 1 as Age, 0.1 as Name1 , Id = @id", new { id = guid });
dog.Count()
.IsEqualTo(1);
dog.First().Age
.IsEqualTo(1);
dog.First().Id
.IsEqualTo(guid);
}
// see http://stackoverflow.com/q/18847510/23354
public void TestOleDbParameters()
{
using (var conn = new System.Data.OleDb.OleDbConnection(Program.OleDbConnectionString))
{
var row = conn.Query("select Id = ?, Age = ?",
new { foo = 12, bar = 23 } // these names DO NOT MATTER!!!
).Single();
int age = row.Age;
int id = row.Id;
age.IsEqualTo(23);
id.IsEqualTo(12);
}
}
public void TestStrongType()
{
var guid = Guid.NewGuid();
var dog = connection.Query<Dog>("select Age = @Age, Id = @Id", new { Age = (int?)null, Id = guid });
dog.Count()
.IsEqualTo(1);
dog.First().Age
.IsNull();
dog.First().Id
.IsEqualTo(guid);
}
public void TestSimpleNull()
{
connection.Query<DateTime?>("select null").First().IsNull();
}
public void TestExpando()
{
var rows = connection.Query("select 1 A, 2 B union all select 3, 4").ToList();
((int)rows[0].A)
.IsEqualTo(1);
((int)rows[0].B)
.IsEqualTo(2);
((int)rows[1].A)
.IsEqualTo(3);
((int)rows[1].B)
.IsEqualTo(4);
}
public void TestStringList()
{
connection.Query<string>("select * from (select 'a' as x union all select 'b' union all select 'c') as T where x in @strings", new { strings = new[] { "a", "b", "c" } })
.IsSequenceEqualTo(new[] { "a", "b", "c" });
connection.Query<string>("select * from (select 'a' as x union all select 'b' union all select 'c') as T where x in @strings", new { strings = new string[0] })
.IsSequenceEqualTo(new string[0]);
}
public void TestExecuteCommand()
{
connection.Execute(@"
set nocount on
create table #t(i int)
set nocount off
insert #t
select @a a union all select @b
set nocount on
drop table #t", new { a = 1, b = 2 }).IsEqualTo(2);
}
public void TestExecuteCommandWithHybridParameters()
{
var p = new DynamicParameters(new { a = 1, b = 2 });
p.Add("c", dbType: DbType.Int32, direction: ParameterDirection.Output);
connection.Execute(@"set @c = @a + @b", p);
p.Get<int>("@c").IsEqualTo(3);
}
public void TestExecuteMultipleCommand()
{
connection.Execute("create table #t(i int)");
try
{
int tally = connection.Execute(@"insert #t (i) values(@a)", new[] { new { a = 1 }, new { a = 2 }, new { a = 3 }, new { a = 4 } });
int sum = connection.Query<int>("select sum(i) from #t").First();
tally.IsEqualTo(4);
sum.IsEqualTo(10);
}
finally
{
connection.Execute("drop table #t");
}
}
class Student
{
public string Name { get; set; }
public int Age { get; set; }
}
public void TestExecuteMultipleCommandStrongType()
{
connection.Execute("create table #t(Name nvarchar(max), Age int)");
try
{
int tally = connection.Execute(@"insert #t (Name,Age) values(@Name, @Age)", new List<Student>
{
new Student{Age = 1, Name = "sam"},
new Student{Age = 2, Name = "bob"}
});
int sum = connection.Query<int>("select sum(Age) from #t").First();
tally.IsEqualTo(2);
sum.IsEqualTo(3);
}
finally
{
connection.Execute("drop table #t");
}
}
public void TestExecuteMultipleCommandObjectArray()
{
connection.Execute("create table #t(i int)");
int tally = connection.Execute(@"insert #t (i) values(@a)", new object[] { new { a = 1 }, new { a = 2 }, new { a = 3 }, new { a = 4 } });
int sum = connection.Query<int>("select sum(i) from #t drop table #t").First();
tally.IsEqualTo(4);
sum.IsEqualTo(10);
}
public void TestMassiveStrings()
{
var str = new string('X', 20000);
connection.Query<string>("select @a", new { a = str }).First()
.IsEqualTo(str);
}
class TestObj
{
public int _internal;
internal int Internal { set { _internal = value; } }
public int _priv;
private int Priv { set { _priv = value; } }
private int PrivGet { get { return _priv; } }
}
public void TestSetInternal()
{
connection.Query<TestObj>("select 10 as [Internal]").First()._internal.IsEqualTo(10);
}
public void TestSetPrivate()
{
connection.Query<TestObj>("select 10 as [Priv]").First()._priv.IsEqualTo(10);
}
public void TestExpandWithNullableFields()
{
var row = connection.Query("select null A, 2 B").Single();
((int?)row.A)
.IsNull();
((int?)row.B)
.IsEqualTo(2);
}
public void TestEnumeration()
{
var en = connection.Query<int>("select 1 as one union all select 2 as one", buffered: false);
var i = en.GetEnumerator();
i.MoveNext();
bool gotException = false;
try
{
var x = connection.Query<int>("select 1 as one", buffered: false).First();
}
catch (Exception)
{
gotException = true;
}
while (i.MoveNext())
{ }
// should not exception, since enumerated
en = connection.Query<int>("select 1 as one", buffered: false);
gotException.IsTrue();
}
public void TestEnumerationDynamic()
{
var en = connection.Query("select 1 as one union all select 2 as one", buffered: false);
var i = en.GetEnumerator();
i.MoveNext();
bool gotException = false;
try
{
var x = connection.Query("select 1 as one", buffered: false).First();
}
catch (Exception)
{
gotException = true;
}
while (i.MoveNext())
{ }
// should not exception, since enumertated
en = connection.Query("select 1 as one", buffered: false);
gotException.IsTrue();
}
public void TestNakedBigInt()
{
long foo = 12345;
var result = connection.Query<long>("select @foo", new { foo }).Single();
foo.IsEqualTo(result);
}
public void TestBigIntMember()
{
long foo = 12345;
var result = connection.Query<WithBigInt>(@"
declare @bar table(Value bigint)
insert @bar values (@foo)
select * from @bar", new { foo }).Single();
result.Value.IsEqualTo(foo);
}
class WithBigInt
{
public long Value { get; set; }
}
class User
{
public int Id { get; set; }
public string Name { get; set; }
}
class Post
{
public int Id { get; set; }
public User Owner { get; set; }
public string Content { get; set; }
public Comment Comment { get; set; }
}
public void TestMultiMap()
{
var createSql = @"
create table #Users (Id int, Name varchar(20))
create table #Posts (Id int, OwnerId int, Content varchar(20))
insert #Users values(99, 'Sam')
insert #Users values(2, 'I am')
insert #Posts values(1, 99, 'Sams Post1')
insert #Posts values(2, 99, 'Sams Post2')
insert #Posts values(3, null, 'no ones post')
";
connection.Execute(createSql);
try
{
var sql =
@"select * from #Posts p
left join #Users u on u.Id = p.OwnerId
Order by p.Id";
var data = connection.Query<Post, User, Post>(sql, (post, user) => { post.Owner = user; return post; }).ToList();
var p = data.First();
p.Content.IsEqualTo("Sams Post1");
p.Id.IsEqualTo(1);
p.Owner.Name.IsEqualTo("Sam");
p.Owner.Id.IsEqualTo(99);
data[2].Owner.IsNull();
}
finally
{
connection.Execute("drop table #Users drop table #Posts");
}
}
public void TestMultiMapGridReader()
{
var createSql = @"
create table #Users (Id int, Name varchar(20))
create table #Posts (Id int, OwnerId int, Content varchar(20))
insert #Users values(99, 'Sam')
insert #Users values(2, 'I am')
insert #Posts values(1, 99, 'Sams Post1')
insert #Posts values(2, 99, 'Sams Post2')
insert #Posts values(3, null, 'no ones post')
";
connection.Execute(createSql);
var sql =
@"select p.*, u.Id, u.Name + '0' Name from #Posts p
left join #Users u on u.Id = p.OwnerId
Order by p.Id
select p.*, u.Id, u.Name + '1' Name from #Posts p
left join #Users u on u.Id = p.OwnerId
Order by p.Id
";
var grid = connection.QueryMultiple(sql);
for (int i = 0; i < 2; i++)
{
var data = grid.Read<Post, User, Post>((post, user) => { post.Owner = user; return post; }).ToList();
var p = data.First();
p.Content.IsEqualTo("Sams Post1");
p.Id.IsEqualTo(1);
p.Owner.Name.IsEqualTo("Sam" + i);
p.Owner.Id.IsEqualTo(99);
data[2].Owner.IsNull();
}
connection.Execute("drop table #Users drop table #Posts");
}
public void TestQueryMultipleBuffered()
{
using (var grid = connection.QueryMultiple("select 1; select 2; select @x; select 4", new { x = 3 }))
{
var a = grid.Read<int>();
var b = grid.Read<int>();
var c = grid.Read<int>();
var d = grid.Read<int>();
a.Single().Equals(1);
b.Single().Equals(2);
c.Single().Equals(3);
d.Single().Equals(4);
}
}
public void TestQueryMultipleNonBufferedIncorrectOrder()
{
using (var grid = connection.QueryMultiple("select 1; select 2; select @x; select 4", new { x = 3 }))
{
var a = grid.Read<int>(false);
try
{
var b = grid.Read<int>(false);
throw new InvalidOperationException(); // should have thrown
}
catch (InvalidOperationException)
{
// that's expected
}
}
}
public void TestQueryMultipleNonBufferedCcorrectOrder()
{
using (var grid = connection.QueryMultiple("select 1; select 2; select @x; select 4", new { x = 3 }))
{
var a = grid.Read<int>(false).Single();
var b = grid.Read<int>(false).Single();
var c = grid.Read<int>(false).Single();
var d = grid.Read<int>(false).Single();
a.Equals(1);
b.Equals(2);
c.Equals(3);
d.Equals(4);
}
}
public void TestMultiMapDynamic()
{
var createSql = @"
create table #Users (Id int, Name varchar(20))
create table #Posts (Id int, OwnerId int, Content varchar(20))
insert #Users values(99, 'Sam')
insert #Users values(2, 'I am')
insert #Posts values(1, 99, 'Sams Post1')
insert #Posts values(2, 99, 'Sams Post2')
insert #Posts values(3, null, 'no ones post')
";
connection.Execute(createSql);
var sql =
@"select * from #Posts p
left join #Users u on u.Id = p.OwnerId
Order by p.Id";
var data = connection.Query<dynamic, dynamic, dynamic>(sql, (post, user) => { post.Owner = user; return post; }).ToList();
var p = data.First();
// hairy extension method support for dynamics
((string)p.Content).IsEqualTo("Sams Post1");
((int)p.Id).IsEqualTo(1);
((string)p.Owner.Name).IsEqualTo("Sam");
((int)p.Owner.Id).IsEqualTo(99);
((object)data[2].Owner).IsNull();
connection.Execute("drop table #Users drop table #Posts");
}
class Product
{
public int Id { get; set; }
public string Name { get; set; }
public Category Category { get; set; }
}
class Category
{
public int Id { get; set; }
public string Name { get; set; }
public string Description { get; set; }
}
public void TestMultiMapWithSplit() // http://stackoverflow.com/q/6056778/23354
{
var sql = @"select 1 as id, 'abc' as name, 2 as id, 'def' as name";
var product = connection.Query<Product, Category, Product>(sql, (prod, cat) =>
{
prod.Category = cat;
return prod;
}).First();
// assertions
product.Id.IsEqualTo(1);
product.Name.IsEqualTo("abc");
product.Category.Id.IsEqualTo(2);
product.Category.Name.IsEqualTo("def");
}
public void TestMultiMapWithSplitWithNullValue() // http://stackoverflow.com/q/10744728/449906
{
var sql = @"select 1 as id, 'abc' as name, NULL as description, 'def' as name";
var product = connection.Query<Product, Category, Product>(sql, (prod, cat) =>
{
prod.Category = cat;
return prod;
}, splitOn: "description").First();
// assertions
product.Id.IsEqualTo(1);
product.Name.IsEqualTo("abc");
product.Category.IsNull();
}
public void TestMultiMapWithSplitWithNullValueAndSpoofColumn() // http://stackoverflow.com/q/10744728/449906
{
var sql = @"select 1 as id, 'abc' as name, 1 as spoof, NULL as description, 'def' as name";
var product = connection.Query<Product, Category, Product>(sql, (prod, cat) =>
{
prod.Category = cat;
return prod;
}, splitOn: "spoof").First();
// assertions
product.Id.IsEqualTo(1);
product.Name.IsEqualTo("abc");
product.Category.IsNotNull();
product.Category.Id.IsEqualTo(0);
product.Category.Name.IsEqualTo("def");
product.Category.Description.IsNull();
}
public void TestFieldsAndPrivates()
{
var data = connection.Query<TestFieldCaseAndPrivatesEntity>(
@"select a=1,b=2,c=3,d=4,f='5'").Single();
data.a.IsEqualTo(1);
data.GetB().IsEqualTo(2);
data.c.IsEqualTo(3);
data.GetD().IsEqualTo(4);
data.e.IsEqualTo(5);
}
public void ExecuteReader()
{
var dt = new DataTable();
dt.Load(connection.ExecuteReader("select 3 as [three], 4 as [four]"));
dt.Columns.Count.IsEqualTo(2);
dt.Columns[0].ColumnName.IsEqualTo("three");
dt.Columns[1].ColumnName.IsEqualTo("four");
dt.Rows.Count.IsEqualTo(1);
((int)dt.Rows[0][0]).IsEqualTo(3);
((int)dt.Rows[0][1]).IsEqualTo(4);
}
private class TestFieldCaseAndPrivatesEntity
{
public int a { get; set; }
private int b { get; set; }
public int GetB() { return b; }
public int c = 0;
private int d = 0;
public int GetD() { return d; }
public int e { get; set; }
private string f
{
get { return e.ToString(); }
set { e = int.Parse(value); }
}
}
public void TestMultiReaderBasic()
{
var sql = @"select 1 as Id union all select 2 as Id select 'abc' as name select 1 as Id union all select 2 as Id";
int i, j;
string s;
using (var multi = connection.QueryMultiple(sql))
{
i = multi.Read<int>().First();
s = multi.Read<string>().Single();
j = multi.Read<int>().Sum();
}
Assert.IsEqualTo(i, 1);
Assert.IsEqualTo(s, "abc");
Assert.IsEqualTo(j, 3);
}
public void TestMultiMappingVariations()
{
var sql = @"select 1 as Id, 'a' as Content, 2 as Id, 'b' as Content, 3 as Id, 'c' as Content, 4 as Id, 'd' as Content, 5 as Id, 'e' as Content";
var order = connection.Query<dynamic, dynamic, dynamic, dynamic>(sql, (o, owner, creator) => { o.Owner = owner; o.Creator = creator; return o; }).First();
Assert.IsEqualTo(order.Id, 1);
Assert.IsEqualTo(order.Content, "a");
Assert.IsEqualTo(order.Owner.Id, 2);
Assert.IsEqualTo(order.Owner.Content, "b");
Assert.IsEqualTo(order.Creator.Id, 3);
Assert.IsEqualTo(order.Creator.Content, "c");
order = connection.Query<dynamic, dynamic, dynamic, dynamic, dynamic>(sql, (o, owner, creator, address) =>
{
o.Owner = owner;
o.Creator = creator;
o.Owner.Address = address;
return o;
}).First();
Assert.IsEqualTo(order.Id, 1);
Assert.IsEqualTo(order.Content, "a");
Assert.IsEqualTo(order.Owner.Id, 2);
Assert.IsEqualTo(order.Owner.Content, "b");
Assert.IsEqualTo(order.Creator.Id, 3);
Assert.IsEqualTo(order.Creator.Content, "c");
Assert.IsEqualTo(order.Owner.Address.Id, 4);
Assert.IsEqualTo(order.Owner.Address.Content, "d");
order = connection.Query<dynamic, dynamic, dynamic, dynamic, dynamic, dynamic>(sql, (a, b, c, d, e) => { a.B = b; a.C = c; a.C.D = d; a.E = e; return a; }).First();
Assert.IsEqualTo(order.Id, 1);
Assert.IsEqualTo(order.Content, "a");
Assert.IsEqualTo(order.B.Id, 2);
Assert.IsEqualTo(order.B.Content, "b");
Assert.IsEqualTo(order.C.Id, 3);
Assert.IsEqualTo(order.C.Content, "c");
Assert.IsEqualTo(order.C.D.Id, 4);
Assert.IsEqualTo(order.C.D.Content, "d");
Assert.IsEqualTo(order.E.Id, 5);
Assert.IsEqualTo(order.E.Content, "e");
}
class InheritanceTest1
{
public string Base1 { get; set; }
public string Base2 { get; private set; }
}
class InheritanceTest2 : InheritanceTest1
{
public string Derived1 { get; set; }
public string Derived2 { get; private set; }
}
public void TestInheritance()
{
// Test that inheritance works.
var list = connection.Query<InheritanceTest2>("select 'One' as Derived1, 'Two' as Derived2, 'Three' as Base1, 'Four' as Base2");
list.First().Derived1.IsEqualTo("One");
list.First().Derived2.IsEqualTo("Two");
list.First().Base1.IsEqualTo("Three");
list.First().Base2.IsEqualTo("Four");
}
public class PostCE
{
public int ID { get; set; }
public string Title { get; set; }
public string Body { get; set; }
public AuthorCE Author { get; set; }
}
public class AuthorCE
{
public int ID { get; set; }
public string Name { get; set; }
}
public void MultiRSSqlCE()
{
if (File.Exists("Test.sdf"))
File.Delete("Test.sdf");
var cnnStr = "Data Source = Test.sdf;";
var engine = new SqlCeEngine(cnnStr);
engine.CreateDatabase();
using (var cnn = new SqlCeConnection(cnnStr))
{
cnn.Open();
cnn.Execute("create table Posts (ID int, Title nvarchar(50), Body nvarchar(50), AuthorID int)");
cnn.Execute("create table Authors (ID int, Name nvarchar(50))");
cnn.Execute("insert Posts values (1,'title','body',1)");
cnn.Execute("insert Posts values(2,'title2','body2',null)");
cnn.Execute("insert Authors values(1,'sam')");
var data = cnn.Query<PostCE, AuthorCE, PostCE>(@"select * from Posts p left join Authors a on a.ID = p.AuthorID", (post, author) => { post.Author = author; return post; }).ToList();
var firstPost = data.First();
firstPost.Title.IsEqualTo("title");
firstPost.Author.Name.IsEqualTo("sam");
data[1].Author.IsNull();
cnn.Close();
}
}
enum TestEnum : byte
{
Bla = 1
}
class TestEnumClass
{
public TestEnum? EnumEnum { get; set; }
}
class TestEnumClassNoNull
{
public TestEnum EnumEnum { get; set; }
}
public void TestEnumWeirdness()
{
connection.Query<TestEnumClass>("select null as [EnumEnum]").First().EnumEnum.IsEqualTo(null);
connection.Query<TestEnumClass>("select cast(1 as tinyint) as [EnumEnum]").First().EnumEnum.IsEqualTo(TestEnum.Bla);
}
public void TestEnumStrings()
{
connection.Query<TestEnumClassNoNull>("select 'BLA' as [EnumEnum]").First().EnumEnum.IsEqualTo(TestEnum.Bla);
connection.Query<TestEnumClassNoNull>("select 'bla' as [EnumEnum]").First().EnumEnum.IsEqualTo(TestEnum.Bla);
connection.Query<TestEnumClass>("select 'BLA' as [EnumEnum]").First().EnumEnum.IsEqualTo(TestEnum.Bla);
connection.Query<TestEnumClass>("select 'bla' as [EnumEnum]").First().EnumEnum.IsEqualTo(TestEnum.Bla);
}
public void TestSupportForDynamicParameters()
{
var p = new DynamicParameters();
p.Add("name", "bob");
p.Add("age", dbType: DbType.Int32, direction: ParameterDirection.Output);
connection.Query<string>("set @age = 11 select @name", p).First().IsEqualTo("bob");
p.Get<int>("age").IsEqualTo(11);
}
public void TestSupportForExpandoObjectParameters()
{
dynamic p = new ExpandoObject();
p.name = "bob";
object parameters = p;
string result = connection.Query<string>("select @name", parameters).First();
result.IsEqualTo("bob");
}
public void TestProcSupport()
{
var p = new DynamicParameters();
p.Add("a", 11);
p.Add("b", dbType: DbType.Int32, direction: ParameterDirection.Output);
p.Add("c", dbType: DbType.Int32, direction: ParameterDirection.ReturnValue);
connection.Execute(@"create proc #TestProc
@a int,
@b int output
as
begin
set @b = 999
select 1111
return @a
end");
connection.Query<int>("#TestProc", p, commandType: CommandType.StoredProcedure).First().IsEqualTo(1111);
p.Get<int>("c").IsEqualTo(11);
p.Get<int>("b").IsEqualTo(999);
}
public void TestDbString()
{
var obj = connection.Query("select datalength(@a) as a, datalength(@b) as b, datalength(@c) as c, datalength(@d) as d, datalength(@e) as e, datalength(@f) as f",
new
{
a = new DbString { Value = "abcde", IsFixedLength = true, Length = 10, IsAnsi = true },
b = new DbString { Value = "abcde", IsFixedLength = true, Length = 10, IsAnsi = false },
c = new DbString { Value = "abcde", IsFixedLength = false, Length = 10, IsAnsi = true },
d = new DbString { Value = "abcde", IsFixedLength = false, Length = 10, IsAnsi = false },
e = new DbString { Value = "abcde", IsAnsi = true },
f = new DbString { Value = "abcde", IsAnsi = false },
}).First();
((int)obj.a).IsEqualTo(10);
((int)obj.b).IsEqualTo(20);
((int)obj.c).IsEqualTo(5);
((int)obj.d).IsEqualTo(10);
((int)obj.e).IsEqualTo(5);
((int)obj.f).IsEqualTo(10);
}
class Person
{
public int PersonId { get; set; }
public string Name { get; set; }
}
class Address
{
public int AddressId { get; set; }
public string Name { get; set; }
public int PersonId { get; set; }
}
class Extra
{
public int Id { get; set; }
public string Name { get; set; }
}
public void TestFlexibleMultiMapping()
{
var sql =
@"select
1 as PersonId, 'bob' as Name,
2 as AddressId, 'abc street' as Name, 1 as PersonId,
3 as Id, 'fred' as Name
";
var personWithAddress = connection.Query<Person, Address, Extra, Tuple<Person, Address, Extra>>
(sql, (p, a, e) => Tuple.Create(p, a, e), splitOn: "AddressId,Id").First();
personWithAddress.Item1.PersonId.IsEqualTo(1);
personWithAddress.Item1.Name.IsEqualTo("bob");
personWithAddress.Item2.AddressId.IsEqualTo(2);
personWithAddress.Item2.Name.IsEqualTo("abc street");
personWithAddress.Item2.PersonId.IsEqualTo(1);
personWithAddress.Item3.Id.IsEqualTo(3);
personWithAddress.Item3.Name.IsEqualTo("fred");
}
public void TestMultiMappingWithSplitOnSpaceBetweenCommas()
{
var sql = @"select
1 as PersonId, 'bob' as Name,
2 as AddressId, 'abc street' as Name, 1 as PersonId,
3 as Id, 'fred' as Name
";
var personWithAddress = connection.Query<Person, Address, Extra, Tuple<Person, Address, Extra>>
(sql, (p, a, e) => Tuple.Create(p, a, e), splitOn: "AddressId, Id").First();
personWithAddress.Item1.PersonId.IsEqualTo(1);
personWithAddress.Item1.Name.IsEqualTo("bob");
personWithAddress.Item2.AddressId.IsEqualTo(2);
personWithAddress.Item2.Name.IsEqualTo("abc street");
personWithAddress.Item2.PersonId.IsEqualTo(1);
personWithAddress.Item3.Id.IsEqualTo(3);
personWithAddress.Item3.Name.IsEqualTo("fred");
}
public void TestMultiMappingWithNonReturnedProperty()
{
var sql = @"select
1 as PostId, 'Title' as Title,
2 as BlogId, 'Blog' as Title";
var postWithBlog = connection.Query<Post_DupeProp, Blog_DupeProp, Post_DupeProp>(sql,
(p, b) =>
{
p.Blog = b;
return p;
}, splitOn: "BlogId").First();
postWithBlog.PostId.IsEqualTo(1);
postWithBlog.Title.IsEqualTo("Title");
postWithBlog.Blog.BlogId.IsEqualTo(2);
postWithBlog.Blog.Title.IsEqualTo("Blog");
}
class Post_DupeProp
{
public int PostId { get; set; }
public string Title { get; set; }
public int BlogId { get; set; }
public Blog_DupeProp Blog { get; set; }
}
class Blog_DupeProp
{
public int BlogId { get; set; }
public string Title { get; set; }
}
public void TestFastExpandoSupportsIDictionary()
{
var row = connection.Query("select 1 A, 'two' B").First() as IDictionary<string, object>;
row["A"].IsEqualTo(1);
row["B"].IsEqualTo("two");
}
class PrivateDan
{
public int Shadow { get; set; }
private string ShadowInDB
{
set
{
Shadow = value == "one" ? 1 : 0;
}
}
}
public void TestDapperSetsPrivates()
{
connection.Query<PrivateDan>("select 'one' ShadowInDB").First().Shadow.IsEqualTo(1);
}
class IntDynamicParam : Dapper.SqlMapper.IDynamicParameters
{
IEnumerable<int> numbers;
public IntDynamicParam(IEnumerable<int> numbers)
{
this.numbers = numbers;
}
public void AddParameters(IDbCommand command, Dapper.SqlMapper.Identity identity)
{
var sqlCommand = (SqlCommand)command;
sqlCommand.CommandType = CommandType.StoredProcedure;
List<Microsoft.SqlServer.Server.SqlDataRecord> number_list = new List<Microsoft.SqlServer.Server.SqlDataRecord>();
// Create an SqlMetaData object that describes our table type.
Microsoft.SqlServer.Server.SqlMetaData[] tvp_definition = { new Microsoft.SqlServer.Server.SqlMetaData("n", SqlDbType.Int) };
foreach (int n in numbers)
{
// Create a new record, using the metadata array above.
Microsoft.SqlServer.Server.SqlDataRecord rec = new Microsoft.SqlServer.Server.SqlDataRecord(tvp_definition);
rec.SetInt32(0, n); // Set the value.
number_list.Add(rec); // Add it to the list.
}
// Add the table parameter.
var p = sqlCommand.Parameters.Add("ints", SqlDbType.Structured);
p.Direction = ParameterDirection.Input;
p.TypeName = "int_list_type";
p.Value = number_list;
}
}
// SQL Server specific test to demonstrate TVP
public void TestTVP()
{
try
{
connection.Execute("CREATE TYPE int_list_type AS TABLE (n int NOT NULL PRIMARY KEY)");
connection.Execute("CREATE PROC get_ints @ints int_list_type READONLY AS select * from @ints");
var nums = connection.Query<int>("get_ints", new IntDynamicParam(new int[] { 1, 2, 3 })).ToList();
nums[0].IsEqualTo(1);
nums[1].IsEqualTo(2);
nums[2].IsEqualTo(3);
nums.Count.IsEqualTo(3);
}
finally
{
try
{
connection.Execute("DROP PROC get_ints");
}
finally
{
connection.Execute("DROP TYPE int_list_type");
}
}
}
class DynamicParameterWithIntTVP : Dapper.DynamicParameters, Dapper.SqlMapper.IDynamicParameters
{
IEnumerable<int> numbers;
public DynamicParameterWithIntTVP(IEnumerable<int> numbers)
{
this.numbers = numbers;
}
public new void AddParameters(IDbCommand command, Dapper.SqlMapper.Identity identity)
{
base.AddParameters(command, identity);
var sqlCommand = (SqlCommand)command;
sqlCommand.CommandType = CommandType.StoredProcedure;
List<Microsoft.SqlServer.Server.SqlDataRecord> number_list = new List<Microsoft.SqlServer.Server.SqlDataRecord>();
// Create an SqlMetaData object that describes our table type.
Microsoft.SqlServer.Server.SqlMetaData[] tvp_definition = { new Microsoft.SqlServer.Server.SqlMetaData("n", SqlDbType.Int) };
foreach (int n in numbers)
{
// Create a new record, using the metadata array above.
Microsoft.SqlServer.Server.SqlDataRecord rec = new Microsoft.SqlServer.Server.SqlDataRecord(tvp_definition);
rec.SetInt32(0, n); // Set the value.
number_list.Add(rec); // Add it to the list.
}
// Add the table parameter.
var p = sqlCommand.Parameters.Add("ints", SqlDbType.Structured);
p.Direction = ParameterDirection.Input;
p.TypeName = "int_list_type";
p.Value = number_list;
}
}
public void TestTVPWithAdditionalParams()
{
try
{
connection.Execute("CREATE TYPE int_list_type AS TABLE (n int NOT NULL PRIMARY KEY)");
connection.Execute("CREATE PROC get_values @ints int_list_type READONLY, @stringParam varchar(20), @dateParam datetime AS select i.*, @stringParam as stringParam, @dateParam as dateParam from @ints i");
var dynamicParameters = new DynamicParameterWithIntTVP(new int[] { 1, 2, 3 });
dynamicParameters.AddDynamicParams(new { stringParam = "stringParam", dateParam = new DateTime(2012, 1, 1) });
var results = connection.Query("get_values", dynamicParameters, commandType: CommandType.StoredProcedure).ToList();
results.Count.IsEqualTo(3);
for (int i = 0; i < results.Count; i++)
{
var result = results[i];
Assert.IsEqualTo(i + 1, result.n);
Assert.IsEqualTo("stringParam", result.stringParam);
Assert.IsEqualTo(new DateTime(2012, 1, 1), result.dateParam);
}
}
finally
{
try
{
connection.Execute("DROP PROC get_values");
}
finally
{
connection.Execute("DROP TYPE int_list_type");
}
}
}
class IntCustomParam : Dapper.SqlMapper.ICustomQueryParameter
{
IEnumerable<int> numbers;
public IntCustomParam(IEnumerable<int> numbers)
{
this.numbers = numbers;
}
public void AddParameter(IDbCommand command, string name)
{
var sqlCommand = (SqlCommand)command;
sqlCommand.CommandType = CommandType.StoredProcedure;
List<Microsoft.SqlServer.Server.SqlDataRecord> number_list = new List<Microsoft.SqlServer.Server.SqlDataRecord>();
// Create an SqlMetaData object that describes our table type.
Microsoft.SqlServer.Server.SqlMetaData[] tvp_definition = { new Microsoft.SqlServer.Server.SqlMetaData("n", SqlDbType.Int) };
foreach (int n in numbers)
{
// Create a new record, using the metadata array above.
Microsoft.SqlServer.Server.SqlDataRecord rec = new Microsoft.SqlServer.Server.SqlDataRecord(tvp_definition);
rec.SetInt32(0, n); // Set the value.
number_list.Add(rec); // Add it to the list.
}
// Add the table parameter.
var p = sqlCommand.Parameters.Add(name, SqlDbType.Structured);
p.Direction = ParameterDirection.Input;
p.TypeName = "int_list_type";
p.Value = number_list;
}
}
public void TestTVPWithAnonymousObject()
{
try
{
connection.Execute("CREATE TYPE int_list_type AS TABLE (n int NOT NULL PRIMARY KEY)");
connection.Execute("CREATE PROC get_ints @integers int_list_type READONLY AS select * from @integers");
var nums = connection.Query<int>("get_ints", new { integers = new IntCustomParam(new int[] { 1, 2, 3 }) }, commandType: CommandType.StoredProcedure).ToList();
nums[0].IsEqualTo(1);
nums[1].IsEqualTo(2);
nums[2].IsEqualTo(3);
nums.Count.IsEqualTo(3);
}
finally
{
try
{
connection.Execute("DROP PROC get_ints");
}
finally
{
connection.Execute("DROP TYPE int_list_type");
}
}
}
class Parent
{
public int Id { get; set; }
public readonly List<Child> Children = new List<Child>();
}
class Child
{
public int Id { get; set; }
}
public void ParentChildIdentityAssociations()
{
var lookup = new Dictionary<int, Parent>();
var parents = connection.Query<Parent, Child, Parent>(@"select 1 as [Id], 1 as [Id] union all select 1,2 union all select 2,3 union all select 1,4 union all select 3,5",
(parent, child) =>
{
Parent found;
if (!lookup.TryGetValue(parent.Id, out found))
{
lookup.Add(parent.Id, found = parent);
}
found.Children.Add(child);
return found;
}).Distinct().ToDictionary(p => p.Id);
parents.Count().IsEqualTo(3);
parents[1].Children.Select(c => c.Id).SequenceEqual(new[] { 1, 2, 4 }).IsTrue();
parents[2].Children.Select(c => c.Id).SequenceEqual(new[] { 3 }).IsTrue();
parents[3].Children.Select(c => c.Id).SequenceEqual(new[] { 5 }).IsTrue();
}
/* TODO:
*
public void TestMagicParam()
{
// magic params allow you to pass in single params without using an anon class
// this test fails for now, but I would like to support a single param by parsing the sql with regex and remapping.
var first = connection.Query("select @a as a", 1).First();
Assert.IsEqualTo(first.a, 1);
}
* */
class WithBizarreData
{
public GenericUriParser Foo { get; set; }
public int Bar { get; set; }
}
public void TestUnexpectedDataMessage()
{
string msg = null;
try
{
connection.Query<int>("select count(1) where 1 = @Foo", new WithBizarreData { Foo = new GenericUriParser(GenericUriParserOptions.Default), Bar = 23 }).First();
}
catch (Exception ex)
{
msg = ex.Message;
}
msg.IsEqualTo("The member Foo of type System.GenericUriParser cannot be used as a parameter value");
}
public void TestUnexpectedButFilteredDataMessage()
{
int i = connection.Query<int>("select @Bar", new WithBizarreData { Foo = new GenericUriParser(GenericUriParserOptions.Default), Bar = 23 }).Single();
i.IsEqualTo(23);
}
class WithCharValue
{
public char Value { get; set; }
public char? ValueNullable { get; set; }
}
public void TestCharInputAndOutput()
{
const char test = '〠';
char c = connection.Query<char>("select @c", new { c = test }).Single();
c.IsEqualTo(test);
var obj = connection.Query<WithCharValue>("select @Value as Value", new WithCharValue { Value = c }).Single();
obj.Value.IsEqualTo(test);
}
public void TestNullableCharInputAndOutputNonNull()
{
char? test = '〠';
char? c = connection.Query<char?>("select @c", new { c = test }).Single();
c.IsEqualTo(test);
var obj = connection.Query<WithCharValue>("select @ValueNullable as ValueNullable", new WithCharValue { ValueNullable = c }).Single();
obj.ValueNullable.IsEqualTo(test);
}
public void TestNullableCharInputAndOutputNull()
{
char? test = null;
char? c = connection.Query<char?>("select @c", new { c = test }).Single();
c.IsEqualTo(test);
var obj = connection.Query<WithCharValue>("select @ValueNullable as ValueNullable", new WithCharValue { ValueNullable = c }).Single();
obj.ValueNullable.IsEqualTo(test);
}
public void TestInvalidSplitCausesNiceError()
{
try
{
connection.Query<User, User, User>("select 1 A, 2 B, 3 C", (x, y) => x);
}
catch (ArgumentException)
{
// expecting an app exception due to multi mapping being bodged
}
try
{
connection.Query<dynamic, dynamic, dynamic>("select 1 A, 2 B, 3 C", (x, y) => x);
}
catch (ArgumentException)
{
// expecting an app exception due to multi mapping being bodged
}
}
class Comment
{
public int Id { get; set; }
public string CommentData { get; set; }
}
public void TestMultiMapThreeTypesWithGridReader()
{
var createSql = @"
create table #Users (Id int, Name varchar(20))
create table #Posts (Id int, OwnerId int, Content varchar(20))
create table #Comments (Id int, PostId int, CommentData varchar(20))
insert #Users values(99, 'Sam')
insert #Users values(2, 'I am')
insert #Posts values(1, 99, 'Sams Post1')
insert #Posts values(2, 99, 'Sams Post2')
insert #Posts values(3, null, 'no ones post')
insert #Comments values(1, 1, 'Comment 1')";
connection.Execute(createSql);
try
{
var sql = @"SELECT p.* FROM #Posts p
select p.*, u.Id, u.Name + '0' Name, c.Id, c.CommentData from #Posts p
left join #Users u on u.Id = p.OwnerId
left join #Comments c on c.PostId = p.Id
where p.Id = 1
Order by p.Id";
var grid = connection.QueryMultiple(sql);
var post1 = grid.Read<Post>().ToList();
var post2 = grid.Read<Post, User, Comment, Post>((post, user, comment) => { post.Owner = user; post.Comment = comment; return post; }).SingleOrDefault();
post2.Comment.Id.IsEqualTo(1);
post2.Owner.Id.IsEqualTo(99);
}
finally
{
connection.Execute("drop table #Users drop table #Posts drop table #Comments");
}
}
public class DbParams : Dapper.SqlMapper.IDynamicParameters, IEnumerable<IDbDataParameter>
{
private readonly List<IDbDataParameter> parameters = new List<IDbDataParameter>();
public IEnumerator<IDbDataParameter> GetEnumerator() { return parameters.GetEnumerator(); }
IEnumerator IEnumerable.GetEnumerator() { return GetEnumerator(); }
public void Add(IDbDataParameter value)
{
parameters.Add(value);
}
void Dapper.SqlMapper.IDynamicParameters.AddParameters(IDbCommand command,
Dapper.SqlMapper.Identity identity)
{
foreach (IDbDataParameter parameter in parameters)
command.Parameters.Add(parameter);
}
}
public void TestCustomParameters()
{
var args = new DbParams {
new SqlParameter("foo", 123),
new SqlParameter("bar", "abc")
};
var result = connection.Query("select Foo=@foo, Bar=@bar", args).Single();
int foo = result.Foo;
string bar = result.Bar;
foo.IsEqualTo(123);
bar.IsEqualTo("abc");
}
public void TestReadDynamicWithGridReader()
{
var createSql = @"
create table #Users (Id int, Name varchar(20))
create table #Posts (Id int, OwnerId int, Content varchar(20))
insert #Users values(99, 'Sam')
insert #Users values(2, 'I am')
insert #Posts values(1, 99, 'Sams Post1')
insert #Posts values(2, 99, 'Sams Post2')
insert #Posts values(3, null, 'no ones post')";
try
{
connection.Execute(createSql);
var sql = @"SELECT * FROM #Users ORDER BY Id
SELECT * FROM #Posts ORDER BY Id DESC";
var grid = connection.QueryMultiple(sql);
var users = grid.Read().ToList();
var posts = grid.Read().ToList();
users.Count.IsEqualTo(2);
posts.Count.IsEqualTo(3);
((int)users.First().Id).IsEqualTo(2);
((int)posts.First().Id).IsEqualTo(3);
}
finally
{
connection.Execute("drop table #Users drop table #Posts");
}
}
public void TestDynamicParamNullSupport()
{
var p = new DynamicParameters();
p.Add("@b", dbType: DbType.Int32, direction: ParameterDirection.Output);
connection.Execute("select @b = null", p);
p.Get<int?>("@b").IsNull();
}
class Foo1
{
#pragma warning disable 0649
public int Id;
#pragma warning restore 0649
public int BarId { get; set; }
}
class Bar1
{
#pragma warning disable 0649
public int BarId;
#pragma warning restore 0649
public string Name { get; set; }
}
public void TestMultiMapperIsNotConfusedWithUnorderedCols()
{
var result = connection.Query<Foo1, Bar1, Tuple<Foo1, Bar1>>("select 1 as Id, 2 as BarId, 3 as BarId, 'a' as Name", (f, b) => Tuple.Create(f, b), splitOn: "BarId").First();
result.Item1.Id.IsEqualTo(1);
result.Item1.BarId.IsEqualTo(2);
result.Item2.BarId.IsEqualTo(3);
result.Item2.Name.IsEqualTo("a");
}
public void TestLinqBinaryToClass()
{
byte[] orig = new byte[20];
new Random(123456).NextBytes(orig);
var input = new System.Data.Linq.Binary(orig);
var output = connection.Query<WithBinary>("select @input as [Value]", new { input }).First().Value;
output.ToArray().IsSequenceEqualTo(orig);
}
public void TestLinqBinaryRaw()
{
byte[] orig = new byte[20];
new Random(123456).NextBytes(orig);
var input = new System.Data.Linq.Binary(orig);
var output = connection.Query<System.Data.Linq.Binary>("select @input as [Value]", new { input }).First();
output.ToArray().IsSequenceEqualTo(orig);
}
class WithBinary
{
public System.Data.Linq.Binary Value { get; set; }
}
class WithPrivateConstructor
{
public int Foo { get; set; }
private WithPrivateConstructor() { }
}
public void TestWithNonPublicConstructor()
{
var output = connection.Query<WithPrivateConstructor>("select 1 as Foo").First();
output.Foo.IsEqualTo(1);
}
public void TestAppendingAnonClasses()
{
DynamicParameters p = new DynamicParameters();
p.AddDynamicParams(new { A = 1, B = 2 });
p.AddDynamicParams(new { C = 3, D = 4 });
var result = connection.Query("select @A a,@B b,@C c,@D d", p).Single();
((int)result.a).IsEqualTo(1);
((int)result.b).IsEqualTo(2);
((int)result.c).IsEqualTo(3);
((int)result.d).IsEqualTo(4);
}
public void TestAppendingADictionary()
{
var dictionary = new Dictionary<string, object>();
dictionary.Add("A", 1);
dictionary.Add("B", "two");
DynamicParameters p = new DynamicParameters();
p.AddDynamicParams(dictionary);
var result = connection.Query("select @A a, @B b", p).Single();
((int)result.a).IsEqualTo(1);
((string)result.b).IsEqualTo("two");
}
public void TestAppendingAnExpandoObject()
{
dynamic expando = new System.Dynamic.ExpandoObject();
expando.A = 1;
expando.B = "two";
DynamicParameters p = new DynamicParameters();
p.AddDynamicParams(expando);
var result = connection.Query("select @A a, @B b", p).Single();
((int)result.a).IsEqualTo(1);
((string)result.b).IsEqualTo("two");
}
public void TestAppendingAList()
{
DynamicParameters p = new DynamicParameters();
var list = new int[] { 1, 2, 3 };
p.AddDynamicParams(new { list });
var result = connection.Query<int>("select * from (select 1 A union all select 2 union all select 3) X where A in @list", p).ToList();
result[0].IsEqualTo(1);
result[1].IsEqualTo(2);
result[2].IsEqualTo(3);
}
public void TestAppendingAListAsDictionary()
{
DynamicParameters p = new DynamicParameters();
var list = new int[] { 1, 2, 3 };
var args = new Dictionary<string, object>();
args.Add("ids", list);
p.AddDynamicParams(args);
var result = connection.Query<int>("select * from (select 1 A union all select 2 union all select 3) X where A in @ids", p).ToList();
result[0].IsEqualTo(1);
result[1].IsEqualTo(2);
result[2].IsEqualTo(3);
}
public void TestAppendingAListByName()
{
DynamicParameters p = new DynamicParameters();
var list = new int[] { 1, 2, 3 };
p.Add("ids", list);
var result = connection.Query<int>("select * from (select 1 A union all select 2 union all select 3) X where A in @ids", p).ToList();
result[0].IsEqualTo(1);
result[1].IsEqualTo(2);
result[2].IsEqualTo(3);
}
public void TestUniqueIdentifier()
{
var guid = Guid.NewGuid();
var result = connection.Query<Guid>("declare @foo uniqueidentifier set @foo = @guid select @foo", new { guid }).Single();
result.IsEqualTo(guid);
}
public void TestNullableUniqueIdentifierNonNull()
{
Guid? guid = Guid.NewGuid();
var result = connection.Query<Guid?>("declare @foo uniqueidentifier set @foo = @guid select @foo", new { guid }).Single();
result.IsEqualTo(guid);
}
public void TestNullableUniqueIdentifierNull()
{
Guid? guid = null;
var result = connection.Query<Guid?>("declare @foo uniqueidentifier set @foo = @guid select @foo", new { guid }).Single();
result.IsEqualTo(guid);
}
public void WorkDespiteHavingWrongStructColumnTypes()
{
var hazInt = connection.Query<CanHazInt>("select cast(1 as bigint) Value").Single();
hazInt.Value.Equals(1);
}
public void TestProcWithOutParameter()
{
connection.Execute(
@"CREATE PROCEDURE #TestProcWithOutParameter
@ID int output,
@Foo varchar(100),
@Bar int
AS
SET @ID = @Bar + LEN(@Foo)");
var obj = new
{
ID = 0,
Foo = "abc",
Bar = 4
};
var args = new DynamicParameters(obj);
args.Add("ID", 0, direction: ParameterDirection.Output);
connection.Execute("#TestProcWithOutParameter", args, commandType: CommandType.StoredProcedure);
args.Get<int>("ID").IsEqualTo(7);
}
public void TestProcWithOutAndReturnParameter()
{
connection.Execute(
@"CREATE PROCEDURE #TestProcWithOutAndReturnParameter
@ID int output,
@Foo varchar(100),
@Bar int
AS
SET @ID = @Bar + LEN(@Foo)
RETURN 42");
var obj = new
{
ID = 0,
Foo = "abc",
Bar = 4
};
var args = new DynamicParameters(obj);
args.Add("ID", 0, direction: ParameterDirection.Output);
args.Add("result", 0, direction: ParameterDirection.ReturnValue);
connection.Execute("#TestProcWithOutAndReturnParameter", args, commandType: CommandType.StoredProcedure);
args.Get<int>("ID").IsEqualTo(7);
args.Get<int>("result").IsEqualTo(42);
}
struct CanHazInt
{
public int Value { get; set; }
}
public void TestInt16Usage()
{
connection.Query<short>("select cast(42 as smallint)").Single().IsEqualTo((short)42);
connection.Query<short?>("select cast(42 as smallint)").Single().IsEqualTo((short?)42);
connection.Query<short?>("select cast(null as smallint)").Single().IsEqualTo((short?)null);
connection.Query<ShortEnum>("select cast(42 as smallint)").Single().IsEqualTo((ShortEnum)42);
connection.Query<ShortEnum?>("select cast(42 as smallint)").Single().IsEqualTo((ShortEnum?)42);
connection.Query<ShortEnum?>("select cast(null as smallint)").Single().IsEqualTo((ShortEnum?)null);
var row =
connection.Query<WithInt16Values>(
"select cast(1 as smallint) as NonNullableInt16, cast(2 as smallint) as NullableInt16, cast(3 as smallint) as NonNullableInt16Enum, cast(4 as smallint) as NullableInt16Enum")
.Single();
row.NonNullableInt16.IsEqualTo((short)1);
row.NullableInt16.IsEqualTo((short)2);
row.NonNullableInt16Enum.IsEqualTo(ShortEnum.Three);
row.NullableInt16Enum.IsEqualTo(ShortEnum.Four);
row =
connection.Query<WithInt16Values>(
"select cast(5 as smallint) as NonNullableInt16, cast(null as smallint) as NullableInt16, cast(6 as smallint) as NonNullableInt16Enum, cast(null as smallint) as NullableInt16Enum")
.Single();
row.NonNullableInt16.IsEqualTo((short)5);
row.NullableInt16.IsEqualTo((short?)null);
row.NonNullableInt16Enum.IsEqualTo(ShortEnum.Six);
row.NullableInt16Enum.IsEqualTo((ShortEnum?)null);
}
public void TestInt32Usage()
{
connection.Query<int>("select cast(42 as int)").Single().IsEqualTo((int)42);
connection.Query<int?>("select cast(42 as int)").Single().IsEqualTo((int?)42);
connection.Query<int?>("select cast(null as int)").Single().IsEqualTo((int?)null);
connection.Query<IntEnum>("select cast(42 as int)").Single().IsEqualTo((IntEnum)42);
connection.Query<IntEnum?>("select cast(42 as int)").Single().IsEqualTo((IntEnum?)42);
connection.Query<IntEnum?>("select cast(null as int)").Single().IsEqualTo((IntEnum?)null);
var row =
connection.Query<WithInt32Values>(
"select cast(1 as int) as NonNullableInt32, cast(2 as int) as NullableInt32, cast(3 as int) as NonNullableInt32Enum, cast(4 as int) as NullableInt32Enum")
.Single();
row.NonNullableInt32.IsEqualTo((int)1);
row.NullableInt32.IsEqualTo((int)2);
row.NonNullableInt32Enum.IsEqualTo(IntEnum.Three);
row.NullableInt32Enum.IsEqualTo(IntEnum.Four);
row =
connection.Query<WithInt32Values>(
"select cast(5 as int) as NonNullableInt32, cast(null as int) as NullableInt32, cast(6 as int) as NonNullableInt32Enum, cast(null as int) as NullableInt32Enum")
.Single();
row.NonNullableInt32.IsEqualTo((int)5);
row.NullableInt32.IsEqualTo((int?)null);
row.NonNullableInt32Enum.IsEqualTo(IntEnum.Six);
row.NullableInt32Enum.IsEqualTo((IntEnum?)null);
}
public class WithInt16Values
{
public short NonNullableInt16 { get; set; }
public short? NullableInt16 { get; set; }
public ShortEnum NonNullableInt16Enum { get; set; }
public ShortEnum? NullableInt16Enum { get; set; }
}
public enum ShortEnum : short
{
Zero = 0, One = 1, Two = 2, Three = 3, Four = 4, Five = 5, Six = 6
}
public class WithInt32Values
{
public int NonNullableInt32 { get; set; }
public int? NullableInt32 { get; set; }
public IntEnum NonNullableInt32Enum { get; set; }
public IntEnum? NullableInt32Enum { get; set; }
}
public enum IntEnum : int
{
Zero = 0, One = 1, Two = 2, Three = 3, Four = 4, Five = 5, Six = 6
}
public void TestTransactionCommit()
{
try
{
connection.Execute("create table #TransactionTest ([ID] int, [Value] varchar(32));");
using (var transaction = connection.BeginTransaction())
{
connection.Execute("insert into #TransactionTest ([ID], [Value]) values (1, 'ABC');", transaction: transaction);
transaction.Commit();
}
connection.Query<int>("select count(*) from #TransactionTest;").Single().IsEqualTo(1);
}
finally
{
connection.Execute("drop table #TransactionTest;");
}
}
public void TestTransactionRollback()
{
connection.Execute("create table #TransactionTest ([ID] int, [Value] varchar(32));");
try
{
using (var transaction = connection.BeginTransaction())
{
connection.Execute("insert into #TransactionTest ([ID], [Value]) values (1, 'ABC');", transaction: transaction);
transaction.Rollback();
}
connection.Query<int>("select count(*) from #TransactionTest;").Single().IsEqualTo(0);
}
finally
{
connection.Execute("drop table #TransactionTest;");
}
}
public void TestCommandWithInheritedTransaction()
{
connection.Execute("create table #TransactionTest ([ID] int, [Value] varchar(32));");
try
{
using (var transaction = connection.BeginTransaction())
{
var transactedConnection = new TransactedConnection(connection, transaction);
transactedConnection.Execute("insert into #TransactionTest ([ID], [Value]) values (1, 'ABC');");
transaction.Rollback();
}
connection.Query<int>("select count(*) from #TransactionTest;").Single().IsEqualTo(0);
}
finally
{
connection.Execute("drop table #TransactionTest;");
}
}
public void TestReaderWhenResultsChange()
{
try
{
connection.Execute("create table #ResultsChange (X int);create table #ResultsChange2 (Y int);insert #ResultsChange (X) values(1);insert #ResultsChange2 (Y) values(1);");
var obj1 = connection.Query<ResultsChangeType>("select * from #ResultsChange").Single();
obj1.X.IsEqualTo(1);
obj1.Y.IsEqualTo(0);
obj1.Z.IsEqualTo(0);
var obj2 = connection.Query<ResultsChangeType>("select * from #ResultsChange rc inner join #ResultsChange2 rc2 on rc2.Y=rc.X").Single();
obj2.X.IsEqualTo(1);
obj2.Y.IsEqualTo(1);
obj2.Z.IsEqualTo(0);
connection.Execute("alter table #ResultsChange add Z int null");
connection.Execute("update #ResultsChange set Z = 2");
var obj3 = connection.Query<ResultsChangeType>("select * from #ResultsChange").Single();
obj3.X.IsEqualTo(1);
obj3.Y.IsEqualTo(0);
obj3.Z.IsEqualTo(2);
var obj4 = connection.Query<ResultsChangeType>("select * from #ResultsChange rc inner join #ResultsChange2 rc2 on rc2.Y=rc.X").Single();
obj4.X.IsEqualTo(1);
obj4.Y.IsEqualTo(1);
obj4.Z.IsEqualTo(2);
}
finally
{
connection.Execute("drop table #ResultsChange;drop table #ResultsChange2;");
}
}
class ResultsChangeType
{
public int X { get; set; }
public int Y { get; set; }
public int Z { get; set; }
}
public void TestCustomTypeMap()
{
// default mapping
var item = connection.Query<TypeWithMapping>("Select 'AVal' as A, 'BVal' as B").Single();
item.A.IsEqualTo("AVal");
item.B.IsEqualTo("BVal");
// custom mapping
var map = new CustomPropertyTypeMap(typeof(TypeWithMapping),
(type, columnName) => type.GetProperties().Where(prop => prop.GetCustomAttributes(false).OfType<DescriptionAttribute>().Any(attr => attr.Description == columnName)).FirstOrDefault());
Dapper.SqlMapper.SetTypeMap(typeof(TypeWithMapping), map);
item = connection.Query<TypeWithMapping>("Select 'AVal' as A, 'BVal' as B").Single();
item.A.IsEqualTo("BVal");
item.B.IsEqualTo("AVal");
// reset to default
Dapper.SqlMapper.SetTypeMap(typeof(TypeWithMapping), null);
item = connection.Query<TypeWithMapping>("Select 'AVal' as A, 'BVal' as B").Single();
item.A.IsEqualTo("AVal");
item.B.IsEqualTo("BVal");
}
public class TypeWithMapping
{
[Description("B")]
public string A { get; set; }
[Description("A")]
public string B { get; set; }
}
public class WrongTypes
{
public int A { get; set; }
public double B { get; set; }
public long C { get; set; }
public bool D { get; set; }
}
public void TestWrongTypes_WithRightTypes()
{
var item = connection.Query<WrongTypes>("select 1 as A, cast(2.0 as float) as B, cast(3 as bigint) as C, cast(1 as bit) as D").Single();
item.A.Equals(1);
item.B.Equals(2.0);
item.C.Equals(3L);
item.D.Equals(true);
}
public void TestWrongTypes_WithWrongTypes()
{
var item = connection.Query<WrongTypes>("select cast(1.0 as float) as A, 2 as B, 3 as C, cast(1 as bigint) as D").Single();
item.A.Equals(1);
item.B.Equals(2.0);
item.C.Equals(3L);
item.D.Equals(true);
}
public void Test_AddDynamicParametersRepeatedShouldWork()
{
var args = new DynamicParameters();
args.AddDynamicParams(new { Foo = 123 });
args.AddDynamicParams(new { Foo = 123 });
int i = connection.Query<int>("select @Foo", args).Single();
i.IsEqualTo(123);
}
public class ParameterWithIndexer
{
public int A { get; set; }
public virtual string this[string columnName]
{
get { return null; }
set { }
}
}
public void TestParameterWithIndexer()
{
connection.Execute(@"create proc #TestProcWithIndexer
@A int
as
begin
select @A
end");
var item = connection.Query<int>("#TestProcWithIndexer", new ParameterWithIndexer(), commandType: CommandType.StoredProcedure).Single();
}
public class MultipleParametersWithIndexerDeclaringType
{
public object this[object field] { get { return null; } set { } }
public object this[object field, int index] { get { return null; } set { } }
public int B { get; set; }
}
public class MultipleParametersWithIndexer : MultipleParametersWithIndexerDeclaringType
{
public int A { get; set; }
}
public void TestMultipleParametersWithIndexer()
{
var order = connection.Query<MultipleParametersWithIndexer>("select 1 A,2 B").First();
order.A.IsEqualTo(1);
order.B.IsEqualTo(2);
}
public void Issue_40_AutomaticBoolConversion()
{
var user = connection.Query<Issue40_User>("select UserId=1,Email='abc',Password='changeme',Active=cast(1 as tinyint)").Single();
user.Active.IsTrue();
user.UserID.IsEqualTo(1);
user.Email.IsEqualTo("abc");
user.Password.IsEqualTo("changeme");
}
public class Issue40_User
{
public Issue40_User()
{
Email = Password = String.Empty;
}
public int UserID { get; set; }
public string Email { get; set; }
public string Password { get; set; }
public bool Active { get; set; }
}
SqlConnection GetClosedConnection()
{
var conn = new SqlConnection(connection.ConnectionString);
if (conn.State != ConnectionState.Closed) throw new InvalidOperationException("should be closed!");
return conn;
}
public void ExecuteFromClosed()
{
using (var conn = GetClosedConnection())
{
conn.Execute("-- nop");
conn.State.IsEqualTo(ConnectionState.Closed);
}
}
class Multi1
{
public int Id { get; set; }
}
class Multi2
{
public int Id { get; set; }
}
public void QueryMultimapFromClosed()
{
using (var conn = GetClosedConnection())
{
conn.State.IsEqualTo(ConnectionState.Closed);
var i = conn.Query<Multi1, Multi2, int>("select 2 as [Id], 3 as [Id]", (x, y) => x.Id + y.Id).Single();
conn.State.IsEqualTo(ConnectionState.Closed);
i.IsEqualTo(5);
}
}
public void QueryMultiple2FromClosed()
{
using (var conn = GetClosedConnection())
{
conn.State.IsEqualTo(ConnectionState.Closed);
using (var multi = conn.QueryMultiple("select 1 select 2 select 3"))
{
multi.Read<int>().Single().IsEqualTo(1);
multi.Read<int>().Single().IsEqualTo(2);
// not reading 3 is intentional here
}
conn.State.IsEqualTo(ConnectionState.Closed);
}
}
public void ExecuteInvalidFromClosed()
{
using (var conn = GetClosedConnection())
{
try
{
conn.Execute("nop");
false.IsEqualTo(true); // shouldn't have got here
}
catch
{
conn.State.IsEqualTo(ConnectionState.Closed);
}
}
}
public void QueryFromClosed()
{
using (var conn = GetClosedConnection())
{
var i = conn.Query<int>("select 1").Single();
conn.State.IsEqualTo(ConnectionState.Closed);
i.IsEqualTo(1);
}
}
public void QueryInvalidFromClosed()
{
using (var conn = GetClosedConnection())
{
try
{
conn.Query<int>("select gibberish").Single();
false.IsEqualTo(true); // shouldn't have got here
}
catch
{
conn.State.IsEqualTo(ConnectionState.Closed);
}
}
}
public void QueryMultipleFromClosed()
{
using (var conn = GetClosedConnection())
{
using (var multi = conn.QueryMultiple("select 1; select 'abc';"))
{
multi.Read<int>().Single().IsEqualTo(1);
multi.Read<string>().Single().IsEqualTo("abc");
}
conn.State.IsEqualTo(ConnectionState.Closed);
}
}
public void QueryMultipleInvalidFromClosed()
{
using (var conn = GetClosedConnection())
{
try
{
conn.QueryMultiple("select gibberish");
false.IsEqualTo(true); // shouldn't have got here
}
catch
{
conn.State.IsEqualTo(ConnectionState.Closed);
}
}
}
public void TestMultiSelectWithSomeEmptyGrids()
{
using (var reader = connection.QueryMultiple("select 1; select 2 where 1 = 0; select 3 where 1 = 0; select 4;"))
{
var one = reader.Read<int>().ToArray();
var two = reader.Read<int>().ToArray();
var three = reader.Read<int>().ToArray();
var four = reader.Read<int>().ToArray();
try
{ // only returned four grids; expect a fifth read to fail
reader.Read<int>();
throw new InvalidOperationException("this should not have worked!");
}
catch (ObjectDisposedException ex)
{ // expected; success
ex.Message.IsEqualTo("The reader has been disposed; this can happen after all data has been consumed\r\nObject name: 'Dapper.SqlMapper+GridReader'.");
}
one.Length.IsEqualTo(1);
one[0].IsEqualTo(1);
two.Length.IsEqualTo(0);
three.Length.IsEqualTo(0);
four.Length.IsEqualTo(1);
four[0].IsEqualTo(4);
}
}
public void TestDynamicMutation()
{
var obj = connection.Query("select 1 as [a], 2 as [b], 3 as [c]").Single();
((int)obj.a).IsEqualTo(1);
IDictionary<string, object> dict = obj;
Assert.Equals(3, dict.Count);
Assert.IsTrue(dict.Remove("a"));
Assert.IsFalse(dict.Remove("d"));
Assert.Equals(2, dict.Count);
dict.Add("d", 4);
Assert.Equals(3, dict.Count);
Assert.Equals("b,c,d", string.Join(",", dict.Keys.OrderBy(x => x)));
Assert.Equals("2,3,4", string.Join(",", dict.OrderBy(x => x.Key).Select(x => x.Value)));
Assert.Equals(2, (int)obj.b);
Assert.Equals(3, (int)obj.c);
Assert.Equals(4, (int)obj.d);
try
{
((int)obj.a).IsEqualTo(1);
throw new InvalidOperationException("should have thrown");
}
catch (RuntimeBinderException)
{
// pass
}
}
public void TestIssue131()
{
var results = connection.Query<dynamic, int, dynamic>(
"SELECT 1 Id, 'Mr' Title, 'John' Surname, 4 AddressCount",
(person, addressCount) =>
{
return person;
},
splitOn: "AddressCount"
).FirstOrDefault();
var asDict = (IDictionary<string, object>)results;
asDict.ContainsKey("Id").IsEqualTo(true);
asDict.ContainsKey("Title").IsEqualTo(true);
asDict.ContainsKey("Surname").IsEqualTo(true);
asDict.ContainsKey("AddressCount").IsEqualTo(false);
}
// see http://stackoverflow.com/questions/16955357/issue-about-dapper
public void TestSplitWithMissingMembers()
{
var result = connection.Query<Topic, Profile, Topic>(
@"select 123 as ID, 'abc' as Title,
cast('01 Feb 2013' as datetime) as CreateDate,
'ghi' as Name, 'def' as Phone",
(T, P) => { T.Author = P; return T; },
null, null, true, "ID,Name").Single();
result.ID.Equals(123);
result.Title.Equals("abc");
result.CreateDate.Equals(new DateTime(2013, 2, 1));
result.Name.IsNull();
result.Content.IsNull();
result.Author.Phone.Equals("def");
result.Author.Name.Equals("ghi");
result.Author.ID.Equals(0);
result.Author.Address.IsNull();
}
public class Profile
{
public int ID { get; set; }
public string Name { get; set; }
public string Phone { get; set; }
public string Address { get; set; }
//public ExtraInfo Extra { get; set; }
}
public class Topic
{
public int ID { get; set; }
public string Title { get; set; }
public DateTime CreateDate { get; set; }
public string Content { get; set; }
public int UID { get; set; }
public int TestColum { get; set; }
public string Name { get; set; }
public Profile Author { get; set; }
//public Attachment Attach { get; set; }
}
// see http://stackoverflow.com/questions/13127886/dapper-returns-null-for-singleordefaultdatediff
public void TestNullFromInt_NoRows()
{
var result = connection.Query<int>( // case with rows
"select DATEDIFF(day, GETUTCDATE(), @date)", new { date = DateTime.UtcNow.AddDays(20) })
.SingleOrDefault();
result.IsEqualTo(20);
result = connection.Query<int>( // case without rows
"select DATEDIFF(day, GETUTCDATE(), @date) where 1 = 0", new { date = DateTime.UtcNow.AddDays(20) })
.SingleOrDefault();
result.IsEqualTo(0); // zero rows; default of int over zero rows is zero
}
public void TestChangingDefaultStringTypeMappingToAnsiString()
{
var sql = "SELECT SQL_VARIANT_PROPERTY(CONVERT(sql_variant, @testParam),'BaseType') AS BaseType";
var param = new {testParam = "TestString"};
var result01 = connection.Query<string>(sql, param).FirstOrDefault();
result01.IsEqualTo("nvarchar");
Dapper.SqlMapper.PurgeQueryCache();
Dapper.SqlMapper.AddTypeMap(typeof(string), DbType.AnsiString); // Change Default String Handling to AnsiString
var result02 = connection.Query<string>(sql, param).FirstOrDefault();
result02.IsEqualTo("varchar");
Dapper.SqlMapper.PurgeQueryCache();
Dapper.SqlMapper.AddTypeMap(typeof(string), DbType.String); // Restore Default to Unicode String
}
class TransactedConnection : IDbConnection
{
IDbConnection _conn;
IDbTransaction _tran;
public TransactedConnection(IDbConnection conn, IDbTransaction tran)
{
_conn = conn;
_tran = tran;
}
public string ConnectionString { get { return _conn.ConnectionString; } set { _conn.ConnectionString = value; } }
public int ConnectionTimeout { get { return _conn.ConnectionTimeout; } }
public string Database { get { return _conn.Database; } }
public ConnectionState State { get { return _conn.State; } }
public IDbTransaction BeginTransaction(IsolationLevel il)
{
throw new NotImplementedException();
}
public IDbTransaction BeginTransaction()
{
return _tran;
}
public void ChangeDatabase(string databaseName)
{
_conn.ChangeDatabase(databaseName);
}
public void Close()
{
_conn.Close();
}
public IDbCommand CreateCommand()
{
// The command inherits the "current" transaction.
var command = _conn.CreateCommand();
command.Transaction = _tran;
return command;
}
public void Dispose()
{
_conn.Dispose();
}
public void Open()
{
_conn.Open();
}
}
public void TestDapperTableMetadataRetrieval()
{
// Test for a bug found in CS 51509960 where the following sequence would result in an InvalidOperationException being
// thrown due to an attempt to access a disposed of DataReader:
//
// - Perform a dynamic query that yields no results
// - Add data to the source of that query
// - Perform a the same query again
connection.Execute("CREATE TABLE #sut (value varchar(10) NOT NULL PRIMARY KEY)");
connection.Query("SELECT value FROM #sut").IsSequenceEqualTo(Enumerable.Empty<dynamic>());
connection.Execute("INSERT INTO #sut (value) VALUES ('test')").IsEqualTo(1);
var result = connection.Query("SELECT value FROM #sut");
var first = result.First();
((string)first.value).IsEqualTo("test");
}
public void TestIssue17648290()
{
var p = new DynamicParameters();
int code = 1, getMessageControlId = 2;
p.Add("@Code", code);
p.Add("@MessageControlID", getMessageControlId);
p.Add("@SuccessCode", dbType: DbType.Int32, direction: ParameterDirection.Output);
p.Add("@ErrorDescription", dbType: DbType.String, direction: ParameterDirection.Output, size: 255);
connection.Execute(@"CREATE PROCEDURE #up_MessageProcessed_get
@Code varchar(10),
@MessageControlID varchar(22),
@SuccessCode int OUTPUT,
@ErrorDescription varchar(255) OUTPUT
AS
BEGIN
Select 2 as MessageProcessID, 38349348 as StartNum, 3874900 as EndNum, GETDATE() as StartDate, GETDATE() as EndDate
SET @SuccessCode = 0
SET @ErrorDescription = 'Completed successfully'
END");
var result = connection.Query(sql: "#up_MessageProcessed_get", param: p, commandType: CommandType.StoredProcedure);
var row = result.Single();
((int)row.MessageProcessID).IsEqualTo(2);
((int)row.StartNum).IsEqualTo(38349348);
((int)row.EndNum).IsEqualTo(3874900);
DateTime startDate = row.StartDate, endDate = row.EndDate;
p.Get<int>("SuccessCode").IsEqualTo(0);
p.Get<string>("ErrorDescription").IsEqualTo("Completed successfully");
}
public void TestDoubleDecimalConversions_SO18228523_RightWay()
{
var row = connection.Query<HasDoubleDecimal>(
"select cast(1 as float) as A, cast(2 as float) as B, cast(3 as decimal) as C, cast(4 as decimal) as D").Single();
row.A.Equals(1.0);
row.B.Equals(2.0);
row.C.Equals(3.0M);
row.D.Equals(4.0M);
}
public void TestDoubleDecimalConversions_SO18228523_WrongWay()
{
var row = connection.Query<HasDoubleDecimal>(
"select cast(1 as decimal) as A, cast(2 as decimal) as B, cast(3 as float) as C, cast(4 as float) as D").Single();
row.A.Equals(1.0);
row.B.Equals(2.0);
row.C.Equals(3.0M);
row.D.Equals(4.0M);
}
public void TestDoubleDecimalConversions_SO18228523_Nulls()
{
var row = connection.Query<HasDoubleDecimal>(
"select cast(null as decimal) as A, cast(null as decimal) as B, cast(null as float) as C, cast(null as float) as D").Single();
row.A.Equals(0.0);
row.B.IsNull();
row.C.Equals(0.0M);
row.D.IsNull();
}
public void TestParameterInclusionNotSensitiveToCurrentCulture()
{
CultureInfo current = Thread.CurrentThread.CurrentCulture;
try
{
Thread.CurrentThread.CurrentCulture = new CultureInfo("tr-TR");
connection.Query<int>("select @pid", new { PId = 1 }).Single();
}
finally
{
Thread.CurrentThread.CurrentCulture = current;
}
}
public void LiteralReplacement()
{
connection.Execute("create table #literal1 (id int not null, foo int not null)");
connection.Execute("insert #literal1 (id,foo) values ({=id}, @foo)", new { id = 123, foo = 456 });
var rows = new[] { new { id = 1, foo = 2 }, new { id = 3, foo = 4 } };
connection.Execute("insert #literal1 (id,foo) values ({=id}, @foo)", rows);
var count = connection.Query<int>("select count(1) from #literal1 where id={=foo}", new { foo = 123 }).Single();
count.IsEqualTo(1);
int sum = connection.Query<int>("select sum(id) + sum(foo) from #literal1").Single();
sum.IsEqualTo(123 + 456 + 1 + 2 + 3 + 4);
}
public void LiteralReplacementDynamic()
{
var args = new DynamicParameters();
args.Add("id", 123);
connection.Execute("create table #literal2 (id int not null)");
connection.Execute("insert #literal2 (id) values ({=id})", args);
args = new DynamicParameters();
args.Add("foo", 123);
var count = connection.Query<int>("select count(1) from #literal2 where id={=foo}", args).Single();
count.IsEqualTo(1);
}
enum AnEnum
{
A = 2,
B = 1
}
enum AnotherEnum : byte
{
A = 2,
B = 1
}
public void LiteralReplacementEnumAndString()
{
var args = new { x = AnEnum.B, y = 123.45M, z = AnotherEnum.A };
var row = connection.Query("select {=x} as x,{=y} as y,cast({=z} as tinyint) as z", args).Single();
AnEnum x = (AnEnum)(int)row.x;
decimal y = row.y;
AnotherEnum z = (AnotherEnum)(byte)row.z;
x.Equals(AnEnum.B);
y.Equals(123.45M);
z.Equals(AnotherEnum.A);
}
public void LiteralReplacementDynamicEnumAndString()
{
var args = new DynamicParameters();
args.Add("x", AnEnum.B);
args.Add("y", 123.45M);
args.Add("z", AnotherEnum.A);
var row = connection.Query("select {=x} as x,{=y} as y,cast({=z} as tinyint) as z", args).Single();
AnEnum x = (AnEnum)(int)row.x;
decimal y = row.y;
AnotherEnum z = (AnotherEnum)(byte)row.z;
x.Equals(AnEnum.B);
y.Equals(123.45M);
z.Equals(AnotherEnum.A);
}
public void LiteralReplacementWithIn()
{
var data = connection.Query<MyRow>("select @x where 1 in @ids and 1 ={=a}",
new { x = 1, ids = new[] { 1, 2, 3 }, a = 1 }).ToList();
}
class MyRow
{
public int x { get; set; }
}
public void LiteralIn()
{
connection.Execute("create table #literalin(id int not null);");
connection.Execute("insert #literalin (id) values (@id)", new[] {
new { id = 1 },
new { id = 2 },
new { id = 3 },
});
var count = connection.Query<int>("select count(1) from #literalin where id in {=ids}",
new { ids = new[] { 1, 3, 4 } }).Single();
count.IsEqualTo(2);
}
public void ParameterizedInWithOptimizeHint()
{
const string sql = @"
select count(1)
from(
select 1 as x
union all select 2
union all select 5) y
where y.x in @vals
option (optimize for (@vals unKnoWn))";
int count = connection.Query<int>(sql, new { vals = new[] { 1, 2, 3, 4 } }).Single();
count.IsEqualTo(2);
count = connection.Query<int>(sql, new { vals = new[] { 1 } }).Single();
count.IsEqualTo(1);
count = connection.Query<int>(sql, new { vals = new int[0] }).Single();
count.IsEqualTo(0);
}
public void TestProcedureWithTimeParameter()
{
var p = new DynamicParameters();
p.Add("a", TimeSpan.FromHours(10), dbType: DbType.Time);
connection.Execute(@"CREATE PROCEDURE #TestProcWithTimeParameter
@a TIME
AS
BEGIN
SELECT @a
END");
connection.Query<TimeSpan>("#TestProcWithTimeParameter", p, commandType: CommandType.StoredProcedure).First().IsEqualTo(new TimeSpan(10, 0, 0));
}
public void DbString()
{
var a = connection.Query<int>("select datalength(@x)",
new { x = new DbString { Value = "abc", IsAnsi = true } }).Single();
var b = connection.Query<int>("select datalength(@x)",
new { x = new DbString { Value = "abc", IsAnsi = false } }).Single();
a.IsEqualTo(3);
b.IsEqualTo(6);
}
class HasInt32
{
public int Value { get; set; }
}
// http://stackoverflow.com/q/23696254/23354
public void DownwardIntegerConversion()
{
const string sql = "select cast(42 as bigint) as Value";
int i = connection.Query<HasInt32>(sql).Single().Value;
Assert.IsEqualTo(42, i);
i = connection.Query<int>(sql).Single();
Assert.IsEqualTo(42, i);
}
class HasDoubleDecimal
{
public double A { get; set; }
public double? B { get; set; }
public decimal C { get; set; }
public decimal? D { get; set; }
}
public void DataTableParameters()
{
try { connection.Execute("drop proc #DataTableParameters"); } catch { }
try { connection.Execute("drop table #DataTableParameters"); } catch { }
try { connection.Execute("drop type MyTVPType"); } catch { }
connection.Execute("create type MyTVPType as table (id int)");
connection.Execute("create proc #DataTableParameters @ids MyTVPType readonly as select count(1) from @ids");
var table = new DataTable { Columns = { { "id", typeof(int) } }, Rows = { { 1 }, { 2 }, { 3 } } };
int count = connection.Query<int>("#DataTableParameters", new { ids = table.AsTableValuedParameter() }, commandType: CommandType.StoredProcedure).First();
count.IsEqualTo(3);
count = connection.Query<int>("select count(1) from @ids", new { ids = table.AsTableValuedParameter("MyTVPType") }).First();
count.IsEqualTo(3);
try
{
connection.Query<int>("select count(1) from @ids", new { ids = table.AsTableValuedParameter() }).First();
throw new InvalidOperationException();
} catch(Exception ex)
{
ex.Message.Equals("The table type parameter 'ids' must have a valid type name.");
}
}
public void DataTableParametersWithExtendedProperty()
{
try { connection.Execute("drop proc #DataTableParameters"); } catch { }
try { connection.Execute("drop table #DataTableParameters"); } catch { }
try { connection.Execute("drop type MyTVPType"); } catch { }
connection.Execute("create type MyTVPType as table (id int)");
connection.Execute("create proc #DataTableParameters @ids MyTVPType readonly as select count(1) from @ids");
var table = new DataTable { Columns = { { "id", typeof(int) } }, Rows = { { 1 }, { 2 }, { 3 } } };
table.SetTypeName("MyTVPType"); // <== extended metadata
int count = connection.Query<int>("#DataTableParameters", new { ids = table }, commandType: CommandType.StoredProcedure).First();
count.IsEqualTo(3);
count = connection.Query<int>("select count(1) from @ids", new { ids = table }).First();
count.IsEqualTo(3);
try
{
connection.Query<int>("select count(1) from @ids", new { ids = table }).First();
throw new InvalidOperationException();
}
catch (Exception ex)
{
ex.Message.Equals("The table type parameter 'ids' must have a valid type name.");
}
}
public void SupportInit()
{
var obj = connection.Query<WithInit>("select 'abc' as Value").Single();
obj.Value.Equals("abc");
obj.Flags.Equals(31);
}
public void GuidIn_SO_24177902()
{
// invent and populate
Guid a = Guid.NewGuid(), b = Guid.NewGuid(), c = Guid.NewGuid(), d = Guid.NewGuid();
connection.Execute("create table #foo (i int, g uniqueidentifier)");
connection.Execute("insert #foo(i,g) values(@i,@g)",
new[] { new { i = 1, g = a }, new { i = 2, g = b },
new { i = 3, g = c },new { i = 4, g = d }});
// check that rows 2&3 yield guids b&c
var guids = connection.Query<Guid>("select g from #foo where i in (2,3)").ToArray();
guids.Length.Equals(2);
guids.Contains(a).Equals(false);
guids.Contains(b).Equals(true);
guids.Contains(c).Equals(true);
guids.Contains(d).Equals(false);
// in query on the guids
var rows = connection.Query("select * from #foo where g in @guids order by i", new { guids })
.Select(row => new { i = (int)row.i, g = (Guid)row.g }).ToArray();
rows.Length.Equals(2);
rows[0].i.Equals(2);
rows[0].g.Equals(b);
rows[1].i.Equals(3);
rows[1].g.Equals(c);
}
class HazGeo
{
public int Id { get;set; }
public DbGeography Geo { get; set; }
}
public void DBGeography_SO24405645_SO24402424()
{
Dapper.EntityFramework.Handlers.Register();
connection.Execute("create table #Geo (id int, geo geography)");
var obj = new HazGeo
{
Id = 1,
Geo = DbGeography.LineFromText("LINESTRING(-122.360 47.656, -122.343 47.656 )", 4326)
};
connection.Execute("insert #Geo(id, geo) values (@Id, @Geo)", obj);
var row = connection.Query<HazGeo>("select * from #Geo where id=1").SingleOrDefault();
row.IsNotNull();
row.Id.IsEqualTo(1);
row.Geo.IsNotNull();
}
public void TypeBasedViaDynamic()
{
Type type = GetSomeType();
dynamic template = Activator.CreateInstance(type);
dynamic actual = CheetViaDynamic(template, "select @A as [A], @B as [B]", new { A = 123, B = "abc" });
((object)actual).GetType().IsEqualTo(type);
int a = actual.A;
string b = actual.B;
a.IsEqualTo(123);
b.IsEqualTo("abc");
}
public void TypeBasedViaType()
{
Type type = GetSomeType();
dynamic actual = connection.Query(type, "select @A as [A], @B as [B]", new { A = 123, B = "abc" }).FirstOrDefault();
((object)actual).GetType().IsEqualTo(type);
int a = actual.A;
string b = actual.B;
a.IsEqualTo(123);
b.IsEqualTo("abc");
}
public void TypeBasedViaTypeMulti()
{
Type type = GetSomeType();
dynamic first, second;
using(var multi = connection.QueryMultiple("select @A as [A], @B as [B]; select @C as [A], @D as [B]",
new { A = 123, B = "abc", C = 456, D = "def" }))
{
first = multi.Read(type).Single();
second = multi.Read(type).Single();
}
((object)first).GetType().IsEqualTo(type);
int a = first.A;
string b = first.B;
a.IsEqualTo(123);
b.IsEqualTo("abc");
((object)second).GetType().IsEqualTo(type);
a = second.A;
b = second.B;
a.IsEqualTo(456);
b.IsEqualTo("def");
}
T CheetViaDynamic<T>(T template, string query, object args)
{
return connection.Query<T>(query, args).SingleOrDefault();
}
static Type GetSomeType()
{
return typeof(SomeType);
}
public class SomeType
{
public int A { get;set; }
public string B { get;set; }
}
class WithInit : ISupportInitialize
{
public string Value { get; set; }
public int Flags { get;set; }
void ISupportInitialize.BeginInit()
{
Flags += 1;
}
void ISupportInitialize.EndInit()
{
Flags += 30;
}
}
public void SO24607639_NullableBools()
{
var obj = connection.Query<HazBools>(
@"declare @vals table (A bit null, B bit null, C bit null);
insert @vals (A,B,C) values (1,0,null);
select * from @vals").Single();
obj.IsNotNull();
obj.A.Value.IsEqualTo(true);
obj.B.Value.IsEqualTo(false);
obj.C.IsNull();
}
class HazBools
{
public bool? A { get; set; }
public bool? B { get; set; }
public bool? C { get; set; }
}
public void SO24605346_ProcsAndStrings()
{
connection.Execute(@"create proc #GetPracticeRebateOrderByInvoiceNumber @TaxInvoiceNumber nvarchar(20) as
select @TaxInvoiceNumber as [fTaxInvoiceNumber]");
string InvoiceNumber = "INV0000000028PPN";
var result = connection.Query<PracticeRebateOrders>("#GetPracticeRebateOrderByInvoiceNumber", new
{
TaxInvoiceNumber = InvoiceNumber
}, commandType: CommandType.StoredProcedure).FirstOrDefault();
result.TaxInvoiceNumber.IsEqualTo("INV0000000028PPN");
}
class PracticeRebateOrders
{
public string fTaxInvoiceNumber;
[System.Xml.Serialization.XmlElementAttribute(Form = System.Xml.Schema.XmlSchemaForm.Unqualified)]
public string TaxInvoiceNumber { get { return fTaxInvoiceNumber; } set { fTaxInvoiceNumber = value; } }
}
public class RatingValueHandler : Dapper.SqlMapper.TypeHandler<RatingValue>
{
private RatingValueHandler() { }
public static readonly RatingValueHandler Default = new RatingValueHandler();
public override RatingValue Parse(object value)
{
if (value is Int32)
return new RatingValue() { Value = (Int32)value };
throw new FormatException("Invalid conversion to RatingValue");
}
public override void SetValue(System.Data.IDbDataParameter parameter, RatingValue value)
{
// ... null, range checks etc ...
parameter.DbType = System.Data.DbType.Int32;
parameter.Value = value.Value;
}
}
public class RatingValue
{
public Int32 Value { get; set; }
// ... some other properties etc ...
}
public class MyResult
{
public String CategoryName { get; set; }
public RatingValue CategoryRating { get; set; }
}
public void SO24740733_TestCustomValueHandler()
{
Dapper.SqlMapper.AddTypeHandler(RatingValueHandler.Default);
var foo = connection.Query<MyResult>("SELECT 'Foo' AS CategoryName, 200 AS CategoryRating").Single();
foo.CategoryName.IsEqualTo("Foo");
foo.CategoryRating.Value.IsEqualTo(200);
}
public void SO24740733_TestCustomValueSingleColumn()
{
Dapper.SqlMapper.AddTypeHandler(RatingValueHandler.Default);
var foo = connection.Query<RatingValue>("SELECT 200 AS CategoryRating").Single();
foo.Value.IsEqualTo(200);
}
public void Issue130_IConvertible()
{
dynamic row = connection.Query("select 1 as [a], '2' as [b]").Single();
int a = row.a;
string b = row.b;
a.IsEqualTo(1);
b.IsEqualTo("2");
row = connection.Query<dynamic>("select 3 as [a], '4' as [b]").Single();
a = row.a;
b = row.b;
a.IsEqualTo(3);
b.IsEqualTo("4");
}
public void Issue22_ExecuteScalar()
{
int i = connection.ExecuteScalar<int>("select 123");
i.IsEqualTo(123);
i = connection.ExecuteScalar<int>("select cast(123 as bigint)");
i.IsEqualTo(123);
long j = connection.ExecuteScalar<long>("select 123");
j.IsEqualTo(123L);
j = connection.ExecuteScalar<long>("select cast(123 as bigint)");
j.IsEqualTo(123L);
int? k = connection.ExecuteScalar<int?>("select @i", new { i = default(int?) });
k.IsNull();
Dapper.EntityFramework.Handlers.Register();
var geo = DbGeography.LineFromText("LINESTRING(-122.360 47.656, -122.343 47.656 )", 4326);
var geo2 = connection.ExecuteScalar<DbGeography>("select @geo", new { geo });
geo2.IsNotNull();
}
public void Issue142_FailsNamedStatus()
{
var row1 = connection.Query<Issue142_Status>("select @Status as [Status]", new { Status = StatusType.Started }).Single();
row1.Status.IsEqualTo(StatusType.Started);
var row2 = connection.Query<Issue142_StatusType>("select @Status as [Status]", new { Status = Status.Started }).Single();
row2.Status.IsEqualTo(Status.Started);
}
public class Issue142_Status
{
public StatusType Status { get; set; }
}
public class Issue142_StatusType
{
public Status Status { get; set; }
}
public enum StatusType : byte
{
NotStarted = 1, Started = 2, Finished = 3
}
public enum Status : byte
{
NotStarted = 1, Started = 2, Finished = 3
}
public void Issue136_ValueTypeHandlers()
{
Dapper.SqlMapper.ResetTypeHandlers();
Dapper.SqlMapper.AddTypeHandler(typeof(LocalDate), LocalDateHandler.Default);
var param = new LocalDateResult
{
NotNullable = new LocalDate { Year = 2014, Month = 7, Day = 25 },
NullableNotNull = new LocalDate { Year = 2014, Month = 7, Day = 26 },
NullableIsNull = null,
};
var result = connection.Query<LocalDateResult>("SELECT @NotNullable AS NotNullable, @NullableNotNull AS NullableNotNull, @NullableIsNull AS NullableIsNull", param).Single();
Dapper.SqlMapper.ResetTypeHandlers();
Dapper.SqlMapper.AddTypeHandler(typeof(LocalDate?), LocalDateHandler.Default);
result = connection.Query<LocalDateResult>("SELECT @NotNullable AS NotNullable, @NullableNotNull AS NullableNotNull, @NullableIsNull AS NullableIsNull", param).Single();
}
public class LocalDateHandler : Dapper.SqlMapper.TypeHandler<LocalDate>
{
private LocalDateHandler() { }
// Make the field type ITypeHandler to ensure it cannot be used with SqlMapper.AddTypeHandler<T>(TypeHandler<T>)
// by mistake.
public static readonly Dapper.SqlMapper.ITypeHandler Default = new LocalDateHandler();
public override LocalDate Parse(object value)
{
var date = (DateTime)value;
return new LocalDate { Year = date.Year, Month = date.Month, Day = date.Day };
}
public override void SetValue(IDbDataParameter parameter, LocalDate value)
{
parameter.DbType = DbType.DateTime;
parameter.Value = new DateTime(value.Year, value.Month, value.Day);
}
}
public struct LocalDate
{
public int Year { get; set; }
public int Month { get; set; }
public int Day { get; set; }
}
public class LocalDateResult
{
public LocalDate NotNullable { get; set; }
public LocalDate? NullableNotNull { get; set; }
public LocalDate? NullableIsNull { get; set; }
}
public class LotsOfNumerics {
public enum E_Byte : byte { A = 0, B = 1 }
public enum E_SByte : sbyte { A = 0, B = 1 }
public enum E_Short : short { A = 0, B = 1 }
public enum E_UShort : ushort { A = 0, B = 1 }
public enum E_Int : int { A = 0, B = 1 }
public enum E_UInt : uint { A = 0, B = 1 }
public enum E_Long : long { A = 0, B = 1 }
public enum E_ULong : ulong { A = 0, B = 1 }
public E_Byte P_Byte { get; set; }
public E_SByte P_SByte { get; set; }
public E_Short P_Short { get; set; }
public E_UShort P_UShort { get; set; }
public E_Int P_Int { get; set; }
public E_UInt P_UInt { get; set; }
public E_Long P_Long { get; set; }
public E_ULong P_ULong { get; set; }
public bool N_Bool { get; set; }
public byte N_Byte { get; set; }
public sbyte N_SByte { get; set; }
public short N_Short { get; set; }
public ushort N_UShort { get; set; }
public int N_Int { get; set; }
public uint N_UInt { get; set; }
public long N_Long { get; set; }
public ulong N_ULong { get; set; }
public float N_Float { get; set; }
public double N_Double { get; set; }
public decimal N_Decimal { get; set; }
public E_Byte? N_P_Byte { get; set; }
public E_SByte? N_P_SByte { get; set; }
public E_Short? N_P_Short { get; set; }
public E_UShort? N_P_UShort { get; set; }
public E_Int? N_P_Int { get; set; }
public E_UInt? N_P_UInt { get; set; }
public E_Long? N_P_Long { get; set; }
public E_ULong? N_P_ULong { get; set; }
public bool? N_N_Bool { get; set; }
public byte? N_N_Byte { get; set; }
public sbyte? N_N_SByte { get; set; }
public short? N_N_Short { get; set; }
public ushort? N_N_UShort { get; set; }
public int? N_N_Int { get; set; }
public uint? N_N_UInt { get; set; }
public long? N_N_Long { get; set; }
public ulong? N_N_ULong { get; set; }
public float? N_N_Float { get; set; }
public double? N_N_Double { get; set; }
public decimal? N_N_Decimal { get; set; }
}
public void TestBigIntForEverythingWorks_SqlLite()
{
TestBigIntForEverythingWorks_SqlLite_ByDataType<long>("bigint");
TestBigIntForEverythingWorks_SqlLite_ByDataType<int>("int");
TestBigIntForEverythingWorks_SqlLite_ByDataType<byte>("tinyint");
TestBigIntForEverythingWorks_SqlLite_ByDataType<short>("smallint");
TestBigIntForEverythingWorks_SqlLite_ByDataType<bool>("bit");
TestBigIntForEverythingWorks_SqlLite_ByDataType<float>("float(24)");
TestBigIntForEverythingWorks_SqlLite_ByDataType<double>("float(53)");
}
private void TestBigIntForEverythingWorks_SqlLite_ByDataType<T>(string dbType)
{
using(var reader = connection.ExecuteReader("select cast(1 as " + dbType + ")"))
{
reader.Read().IsTrue();
reader.GetFieldType(0).Equals(typeof(T));
reader.Read().IsFalse();
reader.NextResult().IsFalse();
}
string sql = "select " + string.Join(",", typeof(LotsOfNumerics).GetProperties().Select(
x => "cast (1 as " + dbType + ") as [" + x.Name + "]"));
var row = connection.Query<LotsOfNumerics>(sql).Single();
row.N_Bool.IsTrue();
row.N_SByte.IsEqualTo((sbyte)1);
row.N_Byte.IsEqualTo((byte)1);
row.N_Int.IsEqualTo((int)1);
row.N_UInt.IsEqualTo((uint)1);
row.N_Short.IsEqualTo((short)1);
row.N_UShort.IsEqualTo((ushort)1);
row.N_Long.IsEqualTo((long)1);
row.N_ULong.IsEqualTo((ulong)1);
row.N_Float.IsEqualTo((float)1);
row.N_Double.IsEqualTo((double)1);
row.N_Decimal.IsEqualTo((decimal)1);
row.P_Byte.IsEqualTo(LotsOfNumerics.E_Byte.B);
row.P_SByte.IsEqualTo(LotsOfNumerics.E_SByte.B);
row.P_Short.IsEqualTo(LotsOfNumerics.E_Short.B);
row.P_UShort.IsEqualTo(LotsOfNumerics.E_UShort.B);
row.P_Int.IsEqualTo(LotsOfNumerics.E_Int.B);
row.P_UInt.IsEqualTo(LotsOfNumerics.E_UInt.B);
row.P_Long.IsEqualTo(LotsOfNumerics.E_Long.B);
row.P_ULong.IsEqualTo(LotsOfNumerics.E_ULong.B);
row.N_N_Bool.Value.IsTrue();
row.N_N_SByte.Value.IsEqualTo((sbyte)1);
row.N_N_Byte.Value.IsEqualTo((byte)1);
row.N_N_Int.Value.IsEqualTo((int)1);
row.N_N_UInt.Value.IsEqualTo((uint)1);
row.N_N_Short.Value.IsEqualTo((short)1);
row.N_N_UShort.Value.IsEqualTo((ushort)1);
row.N_N_Long.Value.IsEqualTo((long)1);
row.N_N_ULong.Value.IsEqualTo((ulong)1);
row.N_N_Float.Value.IsEqualTo((float)1);
row.N_N_Double.Value.IsEqualTo((double)1);
row.N_N_Decimal.IsEqualTo((decimal)1);
row.N_P_Byte.Value.IsEqualTo(LotsOfNumerics.E_Byte.B);
row.N_P_SByte.Value.IsEqualTo(LotsOfNumerics.E_SByte.B);
row.N_P_Short.Value.IsEqualTo(LotsOfNumerics.E_Short.B);
row.N_P_UShort.Value.IsEqualTo(LotsOfNumerics.E_UShort.B);
row.N_P_Int.Value.IsEqualTo(LotsOfNumerics.E_Int.B);
row.N_P_UInt.Value.IsEqualTo(LotsOfNumerics.E_UInt.B);
row.N_P_Long.Value.IsEqualTo(LotsOfNumerics.E_Long.B);
row.N_P_ULong.Value.IsEqualTo(LotsOfNumerics.E_ULong.B);
TestBigIntForEverythingWorks<bool>(true, dbType);
TestBigIntForEverythingWorks<sbyte>((sbyte)1, dbType);
TestBigIntForEverythingWorks<byte>((byte)1, dbType);
TestBigIntForEverythingWorks<int>((int)1, dbType);
TestBigIntForEverythingWorks<uint>((uint)1, dbType);
TestBigIntForEverythingWorks<short>((short)1, dbType);
TestBigIntForEverythingWorks<ushort>((ushort)1, dbType);
TestBigIntForEverythingWorks<long>((long)1, dbType);
TestBigIntForEverythingWorks<ulong>((ulong)1, dbType);
TestBigIntForEverythingWorks<float>((float)1, dbType);
TestBigIntForEverythingWorks<double>((double)1, dbType);
TestBigIntForEverythingWorks<decimal>((decimal)1, dbType);
TestBigIntForEverythingWorks(LotsOfNumerics.E_Byte.B, dbType);
TestBigIntForEverythingWorks(LotsOfNumerics.E_SByte.B, dbType);
TestBigIntForEverythingWorks(LotsOfNumerics.E_Int.B, dbType);
TestBigIntForEverythingWorks(LotsOfNumerics.E_UInt.B, dbType);
TestBigIntForEverythingWorks(LotsOfNumerics.E_Short.B, dbType);
TestBigIntForEverythingWorks(LotsOfNumerics.E_UShort.B, dbType);
TestBigIntForEverythingWorks(LotsOfNumerics.E_Long.B, dbType);
TestBigIntForEverythingWorks(LotsOfNumerics.E_ULong.B, dbType);
TestBigIntForEverythingWorks<bool?>(true, dbType);
TestBigIntForEverythingWorks<sbyte?>((sbyte)1, dbType);
TestBigIntForEverythingWorks<byte?>((byte)1, dbType);
TestBigIntForEverythingWorks<int?>((int)1, dbType);
TestBigIntForEverythingWorks<uint?>((uint)1, dbType);
TestBigIntForEverythingWorks<short?>((short)1, dbType);
TestBigIntForEverythingWorks<ushort?>((ushort)1, dbType);
TestBigIntForEverythingWorks<long?>((long)1, dbType);
TestBigIntForEverythingWorks<ulong?>((ulong)1, dbType);
TestBigIntForEverythingWorks<float?>((float)1, dbType);
TestBigIntForEverythingWorks<double?>((double)1, dbType);
TestBigIntForEverythingWorks<decimal?>((decimal)1, dbType);
TestBigIntForEverythingWorks<LotsOfNumerics.E_Byte?>(LotsOfNumerics.E_Byte.B, dbType);
TestBigIntForEverythingWorks<LotsOfNumerics.E_SByte?>(LotsOfNumerics.E_SByte.B, dbType);
TestBigIntForEverythingWorks<LotsOfNumerics.E_Int?>(LotsOfNumerics.E_Int.B, dbType);
TestBigIntForEverythingWorks<LotsOfNumerics.E_UInt?>(LotsOfNumerics.E_UInt.B, dbType);
TestBigIntForEverythingWorks<LotsOfNumerics.E_Short?>(LotsOfNumerics.E_Short.B, dbType);
TestBigIntForEverythingWorks<LotsOfNumerics.E_UShort?>(LotsOfNumerics.E_UShort.B, dbType);
TestBigIntForEverythingWorks<LotsOfNumerics.E_Long?>(LotsOfNumerics.E_Long.B, dbType);
TestBigIntForEverythingWorks<LotsOfNumerics.E_ULong?>(LotsOfNumerics.E_ULong.B, dbType);
}
private void TestBigIntForEverythingWorks<T>(T expected, string dbType)
{
var query = connection.Query<T>("select cast(1 as " + dbType + ")").Single();
query.IsEqualTo(expected);
var scalar = connection.ExecuteScalar<T>("select cast(1 as " + dbType + ")");
scalar.IsEqualTo(expected);
}
#if POSTGRESQL
class Cat
{
public int Id { get; set; }
public string Breed { get; set; }
public string Name { get; set; }
}
Cat[] Cats = {
new Cat() { Breed = "Abyssinian", Name="KACTUS"},
new Cat() { Breed = "Aegean cat", Name="KADAFFI"},
new Cat() { Breed = "American Bobtail", Name="KANJI"},
new Cat() { Breed = "Balinese", Name="MACARONI"},
new Cat() { Breed = "Bombay", Name="MACAULAY"},
new Cat() { Breed = "Burmese", Name="MACBETH"},
new Cat() { Breed = "Chartreux", Name="MACGYVER"},
new Cat() { Breed = "German Rex", Name="MACKENZIE"},
new Cat() { Breed = "Javanese", Name="MADISON"},
new Cat() { Breed = "Persian", Name="MAGNA"}
};
public void TestPostresqlArrayParameters()
{
using (var conn = new NpgsqlConnection("Server=localhost;Port=5432;User Id=dappertest;Password=dapperpass;Database=dappertest;Encoding=UNICODE"))
{
conn.Open();
IDbTransaction transaction = conn.BeginTransaction();
conn.Execute("create table tcat ( id serial not null, breed character varying(20) not null, name character varying (20) not null);");
conn.Execute("insert into tcat(breed, name) values(:breed, :name) ", Cats);
var r = conn.Query<Cat>("select * from tcat where id=any(:catids)", new { catids = new[] { 1, 3, 5 } });
r.Count().IsEqualTo(3);
r.Count(c => c.Id == 1).IsEqualTo(1);
r.Count(c => c.Id == 3).IsEqualTo(1);
r.Count(c => c.Id == 5).IsEqualTo(1);
transaction.Rollback();
}
}
#endif
}
}
Reference in New Issue View Git Blame Copy Permalink