using System.Linq;
using Util.Validation.Tests.Samples;
using Xunit;

namespace Util.Validation.Tests; 

/// <summary>
/// 数据注解验证操作测试
/// </summary>
public class DataAnnotationValidationTest {
    /// <summary>
    /// 验证样例
    /// </summary>
    private readonly Sample _sample;

    /// <summary>
    /// 测试初始化
    /// </summary>
    public DataAnnotationValidationTest() {
        _sample = new Sample();
    }

    /// <summary>
    /// 测试验证必填
    /// </summary>
    [Fact]
    public void TestValidate_Required() {
        var result = DataAnnotationValidation.Validate( _sample );
        Assert.False( result.IsValid );
        Assert.Single( result );
        Assert.Equal( "Required", result.First().ErrorMessage );
    }

    /// <summary>
    /// 测试验证字符串长度
    /// </summary>
    [Fact]
    public void TestValidate_StringLength() {
        _sample.StringLengthValue = "abcd";
        var result = DataAnnotationValidation.Validate( _sample );
        Assert.False( result.IsValid );
        Assert.Equal( 2,result.Count );
        Assert.Equal( "Required", result[0].ErrorMessage );
        Assert.Equal( "StringLength", result[1].ErrorMessage );
    }
}