private void GetService_CachesResultFromDependencyInjectionContainer_Impl(IDependencyResolver resolver)
{
DependencyResolverWrapper resolverWrapper = new DependencyResolverWrapper(resolver, allowBeginScope: true);
// Arrange
HttpConfiguration config = new HttpConfiguration();
DefaultServices defaultServices = new DefaultServices(config);
config.DependencyResolver = resolverWrapper;
// Act
IActionValueBinder a = (IActionValueBinder)defaultServices.GetService(typeof(IActionValueBinder));
IActionValueBinder b = (IActionValueBinder)defaultServices.GetService(typeof(IActionValueBinder));
// Assert
resolverWrapper.GetServiceCalls.Count.ShouldBe(1);
resolverWrapper.GetServicesCalls.Count.ShouldBe(0);
Object.ReferenceEquals(a, b).ShouldBeTrue();
}
private void GetServices_CachesResultFromDependencyInjectionContainer_Impl(IDependencyResolver resolver)
{
DependencyResolverWrapper rw = new DependencyResolverWrapper(resolver, allowBeginScope: true);
// Arrange
HttpConfiguration config = new HttpConfiguration();
DefaultServices defaultServices = new DefaultServices(config);
config.DependencyResolver = rw;
// Act
Object a = defaultServices.GetServices(typeof(IFilterProvider));
Object b = defaultServices.GetServices(typeof(IFilterProvider));
_ = a.ShouldNotBeNull();
_ = b.ShouldNotBeNull();
// Assert
rw.GetServicesCalls.Count.ShouldBe(1);
// mockDependencyResolver.Verify(dr => dr.GetServices(typeof(IFilterProvider)), Times.Once());
}
private void Create_ThrowsForNullDependencyScope_Impl(IDependencyResolver resolverOrig)
{
IDependencyResolver resolver2 = new DependencyResolverWrapper(inner: resolverOrig, allowBeginScope: false);
// Arrange
HttpConfiguration config = new HttpConfiguration();
config.DependencyResolver = resolver2;
HttpRequestMessage request = new HttpRequestMessage();
request.SetConfiguration(config);
HttpControllerDescriptor descriptorSimpleController = new HttpControllerDescriptor(config, "Simple", typeof(SimpleController));
DefaultHttpControllerActivator activator = new DefaultHttpControllerActivator();
// Act & Assert
try
{
IHttpController controller = activator.Create(request, descriptorSimpleController, typeof(SimpleController));
true.ShouldBeFalse("Method did not throw an exception.");
}
catch (InvalidOperationException ioEx)
{
ioEx.Message.ShouldBe("An error occurred when trying to create a controller of type 'SimpleController'. Make sure that the controller has a parameterless public constructor.");
// 'BeginScopeNull_DependencyResolver'
// 'ObjectProxy(_\\d+)?'
ioEx.InnerException.Message.ShouldBe(
"A dependency resolver of type '" + nameof(DependencyResolverWrapper) + "' returned an invalid value of null from its " +
"BeginScope method. If the container does not have a concept of scope, consider returning a scope " +
"that resolves in the root of the container instead."
);
}
}
