public void return_null_in_place_of_member_name_when_it_cannot_be_unambiguously_retrieved()
{
var model = new DisplayDuplicateModel();
var attrib = new AssertThatAttribute("false");
Assert.Equal(null, GetFinalMemberName(attrib, model, 0, null, "duplicate"));
}
public void throw_when_no_httpcontext_is_available()
{
HttpContext.Current = null;
var model = new Model();
var assertAttribute = new AssertThatAttribute("true");
var requirAttribute = new RequiredIfAttribute("true");
var metadata = GetModelMetadata(model, m => m.Value);
var controllerContext = GetControllerContext();
var e = Assert.Throws<ValidationException>(() => new AssertThatValidator(metadata, controllerContext, assertAttribute).GetClientValidationRules().Single());
Assert.Equal(
"AssertThatValidator: collecting of client validation rules for Value field failed.",
e.Message);
Assert.IsType<ApplicationException>(e.InnerException);
Assert.Equal(
"HttpContext not available.",
e.InnerException.Message);
e = Assert.Throws<ValidationException>(() => new RequiredIfValidator(metadata, controllerContext, requirAttribute).GetClientValidationRules().Single());
Assert.Equal(
"RequiredIfValidator: collecting of client validation rules for Value field failed.",
e.Message);
Assert.IsType<ApplicationException>(e.InnerException);
Assert.Equal(
"HttpContext not available.",
e.InnerException.Message);
}
public void verify_validators_caching()
{
const int testLoops = 10;
var generatedCode = Enumerable.Repeat(0, 100).Select(x => "true")
.Aggregate("true", (accumulator, item) => $"({accumulator} && {item} && !false)"); // give the parser some work (deep dive)
var model = new Model();
var metadata = GetModelMetadata(model, m => m.Value);
var controllerContext = GetControllerContext();
var assertThat = new AssertThatAttribute(generatedCode);
var requiredIf = new RequiredIfAttribute(generatedCode);
var nonCached = MeasureExecutionTime(() => new AssertThatValidator(metadata, controllerContext, assertThat));
for (var i = 0; i < testLoops; i++)
{
var cached = MeasureExecutionTime(() => new AssertThatValidator(metadata, controllerContext, assertThat));
Assert.True(nonCached > cached);
}
nonCached = MeasureExecutionTime(() => new RequiredIfValidator(metadata, controllerContext, requiredIf));
for (var i = 0; i < testLoops; i++)
{
var cached = MeasureExecutionTime(() => new RequiredIfValidator(metadata, controllerContext, requiredIf));
Assert.True(nonCached > cached);
}
}
public void throw_when_priority_is_not_provided_but_requested_explicitly()
{
var assertThat = new AssertThatAttribute("1!=1");
var requiredIf = new RequiredIfAttribute("1==1");
Assert.Null(assertThat.GetPriority());
Assert.Null(requiredIf.GetPriority());
var e = Assert.Throws<InvalidOperationException>(() => assertThat.Priority);
Assert.Equal("The Priority property has not been set. Use the GetPriority method to get the value.", e.Message);
e = Assert.Throws<InvalidOperationException>(() => requiredIf.Priority);
Assert.Equal("The Priority property has not been set. Use the GetPriority method to get the value.", e.Message);
}
private static void AssertErrorMessage(string input, string assertThatOutput, string requiredIfOutput)
{
var assertThat = new AssertThatAttribute("1!=1");
var requiredIf = new RequiredIfAttribute("1==1");
var isValid = typeof(ExpressiveAttribute).GetMethod("IsValid", BindingFlags.NonPublic | BindingFlags.Instance);
var context = new ValidationContext(new MsgModel
{
Value1 = 0,
Internal = new MsgModel
{
Value1 = 1,
Internal = new MsgModel {Value1 = 2}
}
})
{
MemberName = "Value1"
};
if (input != null)
assertThat.ErrorMessage = requiredIf.ErrorMessage = input;
var assertThatResult = (ValidationResult) isValid.Invoke(assertThat, new[] {new object(), context});
var requiredIfResult = (ValidationResult) isValid.Invoke(requiredIf, new[] {null, context});
Assert.Equal(assertThatOutput, assertThatResult.ErrorMessage);
Assert.Equal(requiredIfOutput, requiredIfResult.ErrorMessage);
}
public void verify_retrieval_of_correct_member_names_when_validation_context_is_broken()
{
var model = new HackTestModel();
var attrib = new AssertThatAttribute("false");
// correct path:
Assert.Equal("Value1", GetFinalMemberName(attrib, model, 0, "Value1", "Value1"));
Assert.Equal("Value2", GetFinalMemberName(attrib, model, 0, "Value2", "Value 2"));
Assert.Equal("Value3", GetFinalMemberName(attrib, model, 0, "Value3", "Value 3"));
// first issue: no member name provided (MVC <= 4)
Assert.Equal("Value1", GetFinalMemberName(attrib, model, 0, null, "Value1"));
Assert.Equal("Value2", GetFinalMemberName(attrib, model, 0, null, "Value 2"));
Assert.Equal("Value3", GetFinalMemberName(attrib, model, 0, null, "Value 3"));
// second issue: member name equals to display name (WebAPI 2)
Assert.Equal("Value2", GetFinalMemberName(attrib, model, 0, "Value 2", "Value 2"));
Assert.Equal("Value3", GetFinalMemberName(attrib, model, 0, "Value 3", "Value 3"));
}
public void verify_format_exceptions_from_incorrect_custom_format_specifiers()
{
new[]
{
"{{field}", "{{field.field}", "{field}}", "{field.field}}",
"{{field:n}", "{{field.field:n}", "{field:N}}", "{field.field:N}}"
}.ToList().ForEach(msg =>
{
var attrib = new AssertThatAttribute("true") {ErrorMessage = msg};
var e = Assert.Throws<FormatException>(() => attrib.FormatErrorMessage("asd", "true", null));
Assert.Equal($"Problem with error message processing. The message is following: {msg}", e.Message);
Assert.IsType<FormatException>(e.InnerException);
Assert.Equal("Input string was not in a correct format.", e.InnerException.Message);
IDictionary<string, Guid> errFieldsMap;
e = Assert.Throws<FormatException>(() => attrib.FormatErrorMessage("asd", "true", typeof(object), out errFieldsMap));
Assert.Equal($"Problem with error message processing. The message is following: {msg}", e.Message);
Assert.IsType<FormatException>(e.InnerException);
Assert.Equal("Input string was not in a correct format.", e.InnerException.Message);
});
}
public void verify_attributes_identification()
{
var assertThat = new AssertThatAttribute("1 != 1"); // spaces on purpose
var requiredIf = new RequiredIfAttribute("1 == 1");
const string assertThatRepresentation = "ExpressiveAnnotations.Attributes.AssertThatAttribute[1!=1]";
const string requiredIfRepresentation = "ExpressiveAnnotations.Attributes.RequiredIfAttribute[1==1]";
Assert.Equal(assertThatRepresentation, assertThat.TypeId);
Assert.Equal(requiredIfRepresentation, requiredIf.TypeId);
Assert.Equal(assertThatRepresentation, assertThat.ToString());
Assert.Equal(requiredIfRepresentation, requiredIf.ToString());
Assert.Equal(assertThatRepresentation.GetHashCode(), assertThat.GetHashCode());
Assert.Equal(requiredIfRepresentation.GetHashCode(), requiredIf.GetHashCode());
}
public void verify_attributes_equality()
{
var assertThat = new AssertThatAttribute("1 != 1");
var requiredIf = new RequiredIfAttribute("1 == 1");
var assertThat2 = new AssertThatAttribute("1 != 1");
var requiredIf2 = new RequiredIfAttribute("1 == 1");
Assert.True(assertThat.Equals(assertThat2));
Assert.True(requiredIf.Equals(requiredIf2));
Assert.False(assertThat.Equals(null));
Assert.False(requiredIf.Equals(null));
}