public void InvalidIfValueIsNullOrEmptyString()
{
var model = new Mock {
Property = "value"
};
var context = new ValidationContext(model);
var attr = new RequiredIfAttribute("Property", "value");
var result = attr.GetValidationResult(" ", context);
Assert.Equal("'Mock' is required because 'Property' has a value 'value'.", result.ErrorMessage);
result = attr.GetValidationResult(null, context);
Assert.Equal("'Mock' is required because 'Property' has a value 'value'.", result.ErrorMessage);
}
public void ShallThrowIfValidationContextIsNull()
{
var attr = new RequiredIfAttribute("test", "value");
Assert.Throws <ArgumentNullException>(() =>
{
attr.GetValidationResult("value", null);
});
}
public void SuccessfulValidationWithoutTargetedValue()
{
var model = new Mock {
Property = "not the expected target"
};
var context = new ValidationContext(model);
var attr = new RequiredIfAttribute("Property", "value");
var result = attr.GetValidationResult("value", context);
Assert.Equal(ValidationResult.Success, result);
}
public void ShallThrowIfPropertyIsNotFound()
{
var model = new Mock {
Property = null
};
var context = new ValidationContext(model);
var attr = new RequiredIfAttribute("UnknownProperty", "value");
Assert.Throws <ArgumentNullException>(() =>
{
attr.GetValidationResult("value", context);
});
}
