public void CreateContextShouldNotAllowNullInstance()
{
// arrange
object instance = null;
var validator = new Validator();
// act
var ex = Assert.Throws<ArgumentNullException>( () => validator.CreateContext( instance, null ) );
// assert
Assert.Equal( "instance", ex.ParamName );
}
public void TryValidatePropertyShouldReturnTrueForTypeWithoutRules()
{
// arrange
var instance = new Mock<IComponent>().Object;
var validator = new Validator();
var context = validator.CreateContext( instance, null );
var results = new List<IValidationResult>();
var value = instance.Site;
// act
var valid = validator.TryValidateProperty( value, context, results );
// assert
Assert.True( valid );
Assert.Equal( 0, results.Count );
}
public void ValidatePropertyShouldThrowExceptionForInvalidValue()
{
// arrange
var instance = new Mock<IComponent>().Object;
var validator = new Validator();
var context = validator.CreateContext( instance, null );
var results = new List<IValidationResult>();
var value = instance.Site;
validator.For<IComponent>().Property( c => c.Site ).Required();
context.MemberName = "Site";
// act
var ex = Assert.Throws<ValidationException>( () => validator.ValidateProperty( value, context ) );
// assert
Assert.Equal( "Site", ex.ValidationResult.MemberNames.First() );
Assert.Equal( value, ex.Value );
}
public void TryValidateObjectShouldReturnTrueForNullInstance()
{
// arrange
IComponent instance = null;
var validator = new Validator();
var context = validator.CreateContext( new Mock<IComponent>().Object, null );
var results = new List<IValidationResult>();
validator.For<IComponent>().Property( c => c.Site ).Required();
// act
var valid = validator.TryValidateObject( instance, context, results );
// assert
Assert.True( valid );
Assert.Equal( 0, results.Count );
}
public void TryValidatePropertyShouldReturnExpectedResult( IComponent instance, int resultCount, bool expected )
{
// arrange
var validator = new Validator();
var context = validator.CreateContext( instance, null );
var results = new List<IValidationResult>();
var value = instance.Site;
validator.For<IComponent>().Property( c => c.Site ).Required();
context.MemberName = "Site";
// act
var actual = validator.TryValidateProperty( value, context, results );
// assert
Assert.Equal( expected, actual );
Assert.Equal( resultCount, results.Count );
}
public void GreaterThanOrEqualToShouldEvaluateWithCustomErrorMessage()
{
// arrange
var validator = new Validator();
var instance = new StubModel() { StartDate = DateTime.Today, EndDate = DateTime.Today.AddDays( -1 ) };
var context = validator.CreateContext( instance, null );
var results = new List<IValidationResult>();
var expected = "Invalid";
validator.For<StubModel>().Property( m => m.EndDate ).GreaterThanOrEqualTo( m => m.StartDate, expected );
// act
var valid = validator.TryValidateObject( instance, context, results );
// assert
Assert.False( valid );
Assert.Equal( 1, results.Count );
Assert.Equal( expected, results[0].ErrorMessage );
Assert.True( results[0].MemberNames.SequenceEqual( new[] { "EndDate", "StartDate" } ) );
}
public void GreaterThanOrEqualToShouldEvaluateSuccess()
{
// arrange
var validator = new Validator();
var instance = new StubModel();
var context = validator.CreateContext( instance, null );
var results = new List<IValidationResult>();
validator.For<StubModel>().Property( m => m.EndDate ).GreaterThanOrEqualTo( m => m.StartDate );
// act
var valid = validator.TryValidateObject( instance, context, results );
// assert
Assert.True( valid );
Assert.Equal( 0, results.Count );
}
public void GreaterThanShouldEvaluateExpectedResult()
{
// arrange
var validator = new Validator();
var instance = new StubModel();
var context = validator.CreateContext( instance, null );
var results = new List<IValidationResult>();
validator.For<StubModel>().Property( m => m.EndDate ).GreaterThan( m => m.StartDate );
// act
var valid = validator.TryValidateObject( instance, context, results );
// assert
Assert.False( valid );
Assert.Equal( 1, results.Count );
Assert.Equal( "The EndDate field must be greater than the StartDate field.", results[0].ErrorMessage );
Assert.True( results[0].MemberNames.SequenceEqual( new[] { "EndDate", "StartDate" } ) );
}
public void LessThanOrEqualToShouldEvaluateExpectedResult()
{
// arrange
var validator = new Validator();
var instance = new StubModel() { StartDate = DateTime.Today, EndDate = DateTime.Today.AddDays( -1 ) };
var context = validator.CreateContext( instance, null );
var results = new List<IValidationResult>();
validator.For<StubModel>().Property( m => m.StartDate ).LessThanOrEqualTo( m => m.EndDate );
// act
var valid = validator.TryValidateObject( instance, context, results );
// assert
Assert.False( valid );
Assert.Equal( 1, results.Count );
Assert.Equal( "The StartDate field must be less than or equal to the EndDate field.", results[0].ErrorMessage );
Assert.True( results[0].MemberNames.SequenceEqual( new[] { "StartDate", "EndDate" } ) );
}
public void LessThanShouldEvaluateSucess()
{
// arrange
var validator = new Validator();
var instance = new StubModel() { StartDate = DateTime.Today.AddDays( -1 ), EndDate = DateTime.Today };
var context = validator.CreateContext( instance, null );
var results = new List<IValidationResult>();
validator.For<StubModel>().Property( m => m.StartDate ).LessThan( m => m.EndDate );
// act
var valid = validator.TryValidateObject( instance, context, results );
// assert
Assert.True( valid );
Assert.Equal( 0, results.Count );
}