public void RequiresValidationContext_IsTrue()
{
CompareValuesAttribute attribute = new CompareValuesAttribute(
"property", ComparisonCriteria.EqualTo);
Assert.That(attribute.RequiresValidationContext);
}
public void CompareValues_InvalidOtherProperty_ThrowsInvalidOperationException()
{
ComparisonEntity entity = CreateComparisonEntity();
ValidationContext validationContext = new ValidationContext(entity) { MemberName = "Minimum" };
CompareValuesAttribute attribute = new CompareValuesAttribute(
"InvalidProperty", ComparisonCriteria.EqualTo);
Assert.Throws<InvalidOperationException>(
() => attribute.Validate(entity.Minimum, validationContext));
}
public void CompareValues_DifferentTypedProperties_ThrowsInvalidOperationException()
{
ComparisonEntity entity = CreateComparisonEntity();
ValidationContext validationContext = new ValidationContext(entity) { MemberName = "Minimum" };
CompareValuesAttribute attribute = new CompareValuesAttribute(
"StringType", ComparisonCriteria.LessThan);
// Act
Assert.Throws<InvalidOperationException>(
() => attribute.Validate(entity.Minimum, validationContext));
}
public void CompareValues_UncomparableProperties_IsInvalid()
{
ComparisonEntity entity = CreateComparisonEntity();
ValidationContext validationContext = new ValidationContext(entity)
{
MemberName = "Uncomparable"
};
CompareValuesAttribute attribute = new CompareValuesAttribute(
"OtherUncomparable", ComparisonCriteria.LessThan);
ValidationResult result = attribute.GetValidationResult(entity.Uncomparable, validationContext);
Assert.That(result.ErrorMessage, Is.StringContaining("IComparable"));
}
public void GetValidationResult_BothNull_IsValid()
{
ComparisonEntity entity = CreateComparisonEntity();
ValidationContext validationContext = new ValidationContext(entity)
{
MemberName = "StringType"
};
CompareValuesAttribute attribute = new CompareValuesAttribute(
"DefaultToNull", ComparisonCriteria.LessThan);
// Act
ValidationResult result = attribute.GetValidationResult(entity.StringType, validationContext);
Assert.That(result, Is.EqualTo(ValidationResult.Success));
}
public void GetValidationResult_OneNullValueWithNotEqualAsCriteria_IsValid()
{
ComparisonEntity entity = CreateComparisonEntity(min: 1);
ValidationContext validationContext = new ValidationContext(entity) { MemberName = "Minimum" };
CompareValuesAttribute attribute = new CompareValuesAttribute(
"Maximum", ComparisonCriteria.NotEqualTo);
// Act
ValidationResult result = attribute.GetValidationResult(null, validationContext);
Assert.That(result, Is.EqualTo(ValidationResult.Success));
}
public void GetValidationResult_InvalidValues_UsesDescriptionOfComparisonCriteria()
{
ComparisonEntity entity = CreateComparisonEntity(1, 0);
ValidationContext validationContext = new ValidationContext(entity)
{
MemberName = "Minimum"
};
CompareValuesAttribute attribute = new CompareValuesAttribute(
"Maximum", ComparisonCriteria.LessThan);
// Act
ValidationResult result = attribute.GetValidationResult(entity.Minimum, validationContext);
Assert.That(result.ErrorMessage, Is.StringContaining("<"));
}
public void GetValidationResult_InvalidValuesWithoutDisplayName_UsesNameOfOtherProperty()
{
ComparisonEntity entity = CreateComparisonEntity();
entity.DefaultToNull = "";
entity.StringType = "";
ValidationContext validationContext = new ValidationContext(entity)
{
MemberName = "StringType"
};
CompareValuesAttribute attribute = new CompareValuesAttribute(
"DefaultToNull", ComparisonCriteria.LessThan);
// Act
ValidationResult result = attribute.GetValidationResult(entity.StringType, validationContext);
Assert.That(result.ErrorMessage, Is.StringContaining("DefaultToNull"));
}
public void GetValidationResult_InvalidValues_UsesDisplayAttributeNameValueFromOtherProperty()
{
ComparisonEntity entity = CreateComparisonEntity(1, 0);
ValidationContext validationContext = new ValidationContext(entity)
{
MemberName = "MaxDisplay"
};
CompareValuesAttribute attribute = new CompareValuesAttribute(
"Minimum", ComparisonCriteria.GreaterThan);
// Act
ValidationResult result = attribute.GetValidationResult(entity.Minimum, validationContext);
Assert.That(result.ErrorMessage, Is.StringContaining("MinDisplayName"));
}
public void CompareValues_MinimumComparedToMaximumWithInvalidValues_IsInvalid(
ComparisonCriteria criteria, int minimum, int maximum)
{
ComparisonEntity entity = CreateComparisonEntity(minimum, maximum);
ValidationContext validationContext = new ValidationContext(entity) { MemberName = "Minimum" };
CompareValuesAttribute attribute = new CompareValuesAttribute("Maximum", criteria);
// Act
ValidationResult result = attribute.GetValidationResult(entity.Minimum, validationContext);
Assert.That(result, Is.Not.EqualTo(ValidationResult.Success));
}
