using Xunit;

namespace Util.Tests.Helpers; 

/// <summary>
/// 正则操作测试
/// </summary>
public class RegexTest {
    /// <summary>
    /// 测试获取值
    /// </summary>
    /// <param name="input">输入字符串</param>
    /// <param name="pattern">模式字符串</param>
    /// <param name="resultPattern">结果模式字符串</param>
    /// <param name="result">结果</param>
    [Theory]
    [InlineData( "", "", "", "" )]
    [InlineData( "123", "a", "", "" )]
    [InlineData( "123", @"\d", "", "1" )]
    [InlineData( "123abc456", @"\d+([a-z]+\d+)", "$1", "abc456" )]
    [InlineData( "123abc456", @"\d+([a-z]\d+)", "$1", "" )]
    public void TestGetValue( string input, string pattern,string resultPattern, string result ) {
        Assert.Equal( result, Util.Helpers.Regex.GetValue( input, pattern, resultPattern ) );
    }

    /// <summary>
    /// 测试获取值集合
    /// </summary>
    [Fact]
    public void TestGetValues() {
        Assert.Empty( Util.Helpers.Regex.GetValues( "", "",null ) );
        Assert.Empty( Util.Helpers.Regex.GetValues( "123abc456", @"\d{5}",new []{"$1"} ) );
        Assert.Equal( "123", Util.Helpers.Regex.GetValues( "123abc456", @"(\d*)", new[] { "$1" } )["$1"] );
        Assert.Equal( "abc", Util.Helpers.Regex.GetValues( "123abc456", @"\d*([a-z]*)\d*", new[] { "$1" } )["$1"] );
        Assert.Equal( "123", Util.Helpers.Regex.GetValues( "123abc456", @"(\d*)([a-z]*)(\d*)", new[] { "$1", "$2", "$3" } )["$1"] );
        Assert.Equal( "abc", Util.Helpers.Regex.GetValues( "123abc456", @"(\d*)([a-z]*)(\d*)", new[] { "$1", "$2", "$3" } )["$2"] );
        Assert.Equal( "456", Util.Helpers.Regex.GetValues( "123abc456", @"(\d*)([a-z]*)(\d*)", new[] { "$1", "$2", "$3" } )["$3"] );
    }
}