public void CanBeExtendedToTakeAnIFixture()
{
#pragma warning disable 612
var stub = new AutoDataAttributeStub(new ThrowingStubFixture());
#pragma warning restore 612
Assert.That(stub, Is.AssignableTo <AutoDataAttribute>());
}
public void FixtureFactoryIsNotInvokedImmediately()
{
// Arrange
bool wasInvoked = false;
Func <IFixture> fixtureFactory = () =>
{
wasInvoked = true;
return(null);
};
// Act
var sut = new AutoDataAttributeStub(fixtureFactory);
// Assert
Assert.False(wasInvoked);
}
public void FixtureFactoryIsNotInvokedImmediately()
{
// Fixture setup
bool wasInvoked = false;
Func <IFixture> fixtureFactory = () =>
{
wasInvoked = true;
return(null);
};
// Exercise system
var sut = new AutoDataAttributeStub(fixtureFactory);
// Verify outcome
Assert.False(wasInvoked);
// Teardown
}
public void IfCreateParametersThrowsExceptionThenReturnsNotRunnableTestMethodWithExceptionInfoAsSkipReason()
{
// Arrange
// DummyFixture is set up to throw DummyException when invoked by AutoDataAttribute
var autoDataAttributeStub = new AutoDataAttributeStub(() => new ThrowingStubFixture());
var fixtureType = this.GetType();
var methodWrapper = new MethodWrapper(fixtureType, fixtureType.GetMethod("DummyTestMethod"));
var testSuite = new TestSuite(fixtureType);
// Act
var testMethod = autoDataAttributeStub.BuildFrom(methodWrapper, testSuite).First();
// Assert
Assert.That(testMethod.RunState == RunState.NotRunnable);
Assert.That(testMethod.Properties.Get(PropertyNames.SkipReason),
Is.EqualTo(ExceptionHelper.BuildMessage(new ThrowingStubFixture.DummyException())));
}
public void GetDataOrdersCustomizationAttributes(string methodName)
{
// Arrange
var method = new MethodWrapper(typeof(TypeWithCustomizationAttributes), methodName);
var customizationLog = new List <ICustomization>();
var fixture = new DelegatingFixture();
fixture.OnCustomize = c =>
{
customizationLog.Add(c);
return(fixture);
};
var sut = new AutoDataAttributeStub(() => fixture);
// Assert
sut.BuildFrom(method, new TestSuite(this.GetType())).Single();
// Assert
Assert.False(customizationLog[0] is FreezeOnMatchCustomization);
Assert.True(customizationLog[1] is FreezeOnMatchCustomization);
}
public void BuildFromDontActivateFixtureIfArgsValuesAreNotUsedByTestBuilder()
{
// Arrange
bool wasActivated = false;
var sut = new AutoDataAttributeStub(() =>
{
wasActivated = true;
return(null);
});
sut.TestMethodBuilder = new TestMethodBuilderWithoutParametersUsage();
var methodWrapper = new MethodWrapper(this.GetType(), nameof(this.DummyTestMethod));
var testSuite = new TestSuite(this.GetType());
// Assert
var dummy = sut.BuildFrom(methodWrapper, testSuite).ToArray();
// Assert
Assert.IsFalse(wasActivated);
}
public void ShouldRecognizeAttributesImplementingIParameterCustomizationSource()
{
// Arrange
var method = new MethodWrapper(
typeof(TypeWithIParameterCustomizationSourceUsage),
nameof(TypeWithIParameterCustomizationSourceUsage.DecoratedMethod));
var customizationLog = new List <ICustomization>();
var fixture = new DelegatingFixture();
fixture.OnCustomize = c =>
{
customizationLog.Add(c);
return(fixture);
};
var sut = new AutoDataAttributeStub(() => fixture);
// Assert
sut.BuildFrom(method, new TestSuite(this.GetType())).ToArray();
// Assert
Assert.True(customizationLog[0] is TypeWithIParameterCustomizationSourceUsage.Customization);
}
