private static void CreateHttpControllerTypeResolverTracer(HttpConfiguration configuration, ITraceWriter traceWriter)
{
DefaultHttpControllerTypeResolver resolver =
configuration.Services.GetHttpControllerTypeResolver() as DefaultHttpControllerTypeResolver;
if (resolver != null)
{
IHttpControllerTypeResolver tracer = new DefaultHttpControllerTypeResolverTracer(resolver, traceWriter);
configuration.Services.Replace(typeof(IHttpControllerTypeResolver), tracer);
}
}
public void IsControllerTypePredicateProperty_SameAsInInner()
{
// Arrange
TestTraceWriter traceWriter = new TestTraceWriter();
DefaultHttpControllerTypeResolverTracer tracer =
new DefaultHttpControllerTypeResolverTracer(HttpControllerTypeResolver.Object, traceWriter);
// Act
Predicate<Type> innerPredicate = HttpControllerTypeResolver.Object.IsControllerTypePredicate;
Predicate<Type> tracerPredicate = tracer.IsControllerTypePredicate;
// Assert
Assert.NotNull(tracerPredicate);
Assert.Same(innerPredicate, tracerPredicate);
}
public void IsControllerTypePredicateProperty_RoundTrips()
{
// Arrange
Predicate<Type> expectedPredicate = type => type != null;
DefaultHttpControllerTypeResolver resolver = new DefaultHttpControllerTypeResolver(expectedPredicate);
TestTraceWriter traceWriter = new TestTraceWriter();
DefaultHttpControllerTypeResolverTracer tracer =
new DefaultHttpControllerTypeResolverTracer(resolver, traceWriter);
// Act
Predicate<Type> predicate = tracer.IsControllerTypePredicate;
// Assert
Assert.NotNull(predicate);
Assert.Same(expectedPredicate, predicate);
}
public void Decorator_GetInner_ReturnsOriginal()
{
// Arrange
DefaultHttpControllerTypeResolver expectedResolver = HttpControllerTypeResolver.Object;
TestTraceWriter traceWriter = new TestTraceWriter();
DefaultHttpControllerTypeResolverTracer tracer =
new DefaultHttpControllerTypeResolverTracer(HttpControllerTypeResolver.Object, traceWriter);
// Act
DefaultHttpControllerTypeResolver resolver = Decorator.GetInner(tracer as DefaultHttpControllerTypeResolver);
// Assert
Assert.NotNull(resolver);
Assert.Same(expectedResolver, resolver);
}
public void InnerProperty_ReturnsOriginal()
{
// Arrange
DefaultHttpControllerTypeResolver expectedResolver = HttpControllerTypeResolver.Object;
TestTraceWriter traceWriter = new TestTraceWriter();
DefaultHttpControllerTypeResolverTracer tracer =
new DefaultHttpControllerTypeResolverTracer(HttpControllerTypeResolver.Object, traceWriter);
// Act
DefaultHttpControllerTypeResolver resolver = tracer.Inner;
// Assert
Assert.NotNull(resolver);
Assert.Same(expectedResolver, resolver);
}
public void GetControllerTypes_TracesAsExpected()
{
// Arrange
TestTraceWriter traceWriter = new TestTraceWriter();
DefaultHttpControllerTypeResolverTracer tracer =
new DefaultHttpControllerTypeResolverTracer(HttpControllerTypeResolver.Object, traceWriter);
// Act
ICollection<Type> types = tracer.GetControllerTypes(AssembliesResolver.Object);
// Assert
Assert.NotNull(traceWriter.Traces);
Assert.Equal(ExpectedTraces, traceWriter.Traces, new TraceRecordComparer());
}
public void GetControllerTypes_ReturnsExpectedTypes()
{
// Arrange
TestTraceWriter traceWriter = new TestTraceWriter();
DefaultHttpControllerTypeResolverTracer tracer =
new DefaultHttpControllerTypeResolverTracer(HttpControllerTypeResolver.Object, traceWriter);
// Act
ICollection<Type> types = tracer.GetControllerTypes(AssembliesResolver.Object);
// Assert
Assert.NotNull(types);
Assert.NotEmpty(types);
Assert.Equal(ExpectedTypes, types);
}
public void GetControllerTypes_CallsMocks()
{
// Arrange
TestTraceWriter traceWriter = new TestTraceWriter();
DefaultHttpControllerTypeResolverTracer tracer =
new DefaultHttpControllerTypeResolverTracer(HttpControllerTypeResolver.Object, traceWriter);
// Act
tracer.GetControllerTypes(AssembliesResolver.Object);
// Assert (particularly important tracer delegates to original DefaultHttpControllerTypeResolver)
HttpControllerTypeResolver.Verify(
controller => controller.GetControllerTypes(AssembliesResolver.Object), Times.Once());
// Predicate is not called on null entries or internal types in the Type arrays (see TypeIsVisible)
HttpControllerTypeResolver.VerifyGet(controller => controller.IsControllerTypePredicate, Times.Exactly(7));
AssembliesResolver.Verify(resolver => resolver.GetAssemblies(), Times.Once());
foreach (Mock<MockableAssembly> mock in Assemblies)
{
mock.VerifyGet(assembly => assembly.IsDynamic, Times.Once());
mock.Verify(assembly => assembly.GetTypes(), mock.Object.IsDynamic ? Times.Never() : Times.Once());
}
}
