public void CreateActivator_ActivatesControllerInstance()
{
// Arrange
var expected = new TestService();
var activator = new DefaultControllerActivator(Mock.Of <ITypeActivatorCache>());
var activatorProvider = new ControllerActivatorProvider(activator);
var descriptor = new ControllerActionDescriptor
{
ControllerTypeInfo = typeof(TestController).GetTypeInfo(),
};
var serviceProvider = new ServiceCollection()
.AddSingleton(expected)
.BuildServiceProvider();
var context = new ControllerContext
{
HttpContext = new DefaultHttpContext
{
RequestServices = serviceProvider,
},
};
// Act
var activatorDelegate = activatorProvider.CreateActivator(descriptor);
var result = activatorDelegate(context);
// Assert
var actual = Assert.IsType <TestController>(result);
Assert.Same(expected, actual.TestService);
}
public void CreateController_ThrowsIfControllerCannotBeActivated(Type type)
{
// Arrange
var actionDescriptor = new ControllerActionDescriptor
{
ControllerTypeInfo = type.GetTypeInfo()
};
var context = new ControllerContext()
{
ActionDescriptor = actionDescriptor,
HttpContext = new DefaultHttpContext()
{
RequestServices = GetServices(),
},
};
var factory = new DefaultControllerActivator(new TypeActivatorCache());
// Act and Assert
var exception = Assert.Throws <InvalidOperationException>(() => factory.Create(context));
Assert.Equal(
$"The type '{type.FullName}' cannot be activated by '{typeof(DefaultControllerActivator).FullName}' " +
"because it is either a value type, an interface, an abstract class or an open generic type.",
exception.Message);
}
public void Create_CreatesInstancesOfTypes(Type type)
{
// Arrange
var activator = new DefaultControllerActivator(new TypeActivatorCache());
var serviceProvider = new Mock <IServiceProvider>(MockBehavior.Strict);
var httpContext = new DefaultHttpContext
{
RequestServices = serviceProvider.Object
};
var context = new ControllerContext(
new ActionContext(
httpContext,
new RouteData(),
new ControllerActionDescriptor
{
ControllerTypeInfo = type.GetTypeInfo()
}));
// Act
var instance = activator.Create(context);
// Assert
Assert.IsType(type, instance);
}
public void Create_TypeActivatesTypesWithServices()
{
// Arrange
var activator = new DefaultControllerActivator(new TypeActivatorCache());
var serviceProvider = new Mock <IServiceProvider>(MockBehavior.Strict);
var testService = new TestService();
serviceProvider.Setup(s => s.GetService(typeof(TestService)))
.Returns(testService)
.Verifiable();
var httpContext = new DefaultHttpContext
{
RequestServices = serviceProvider.Object
};
var context = new ControllerContext(
new ActionContext(
httpContext,
new RouteData(),
new ControllerActionDescriptor
{
ControllerTypeInfo = typeof(TypeDerivingFromControllerWithServices).GetTypeInfo()
}));
// Act
var instance = activator.Create(context);
// Assert
var controller = Assert.IsType <TypeDerivingFromControllerWithServices>(instance);
Assert.Same(testService, controller.TestService);
serviceProvider.Verify();
}
public void DefaultControllerActivator_ReleasesNonIDisposableController()
{
// Arrange
var activator = new DefaultControllerActivator(Mock.Of <ITypeActivatorCache>());
var controller = new object();
// Act + Assert (does not throw)
activator.Release(Mock.Of <ControllerContext>(), controller);
}
public void Release_DisposesController_IfDisposable()
{
// Arrange
var controller = new MyController();
var activator = new DefaultControllerActivator(Mock.Of <ITypeActivatorCache>());
// Act
activator.Release(new ControllerContext(), controller);
// Assert
Assert.Equal(true, controller.Disposed);
}
public async Task ReleaseAsync_SynchronouslyDisposesController_IfDisposableAsync()
{
// Arrange
var controller = new MyController();
var activator = new DefaultControllerActivator(Mock.Of <ITypeActivatorCache>());
// Act
await activator.ReleaseAsync(new ControllerContext(), controller);
// Assert
Assert.True(controller.Disposed);
}
public void CreateReleaser_ReturnsNullIfControllerIsNotDisposable()
{
// Arrange
var activator = new DefaultControllerActivator(Mock.Of <ITypeActivatorCache>());
var activatorProvider = new ControllerActivatorProvider(activator);
var descriptor = new ControllerActionDescriptor
{
ControllerTypeInfo = typeof(TestController).GetTypeInfo(),
};
// Act
var releaseDelegate = activatorProvider.CreateReleaser(descriptor);
// Assert
Assert.Null(releaseDelegate);
}
public void CreateReleaser_ReturnsDelegateThatDisposesInstance()
{
// Arrange
var activator = new DefaultControllerActivator(Mock.Of <ITypeActivatorCache>());
var activatorProvider = new ControllerActivatorProvider(activator);
var descriptor = new ControllerActionDescriptor
{
ControllerTypeInfo = typeof(DisposableController).GetTypeInfo(),
};
var controller = new DisposableController();
// Act
var releaseDelegate = activatorProvider.CreateReleaser(descriptor);
// Assert
Assert.NotNull(releaseDelegate);
releaseDelegate(new ControllerContext(), controller);
Assert.True(controller.Disposed);
}
