public void CreatePipeline_Calls_Registered_Callbacks_In_Correct_Order()
{
var callback_1 = new MockPipelineCallback();
var callback_2 = new MockPipelineCallback();
var callback_3 = new MockPipelineCallback();
_PipelineBuilder.RegisterCallback(callback_2.Callback, 0);
_PipelineBuilder.RegisterCallback(callback_3.Callback, 1);
_PipelineBuilder.RegisterCallback(callback_1.Callback, -1);
callback_1.Action = r => {
Assert.AreEqual(0, callback_2.CallCount, "2nd callback called before 1st");
Assert.AreEqual(0, callback_3.CallCount, "3rd callback called before 1st");
};
callback_2.Action = r => {
Assert.AreEqual(1, callback_1.CallCount, "1st callback not called before 2nd");
Assert.AreEqual(0, callback_3.CallCount, "3rd callback called before 2nd");
};
callback_3.Action = r => {
Assert.AreEqual(1, callback_1.CallCount, "1st callback not called before 3rd");
Assert.AreEqual(1, callback_2.CallCount, "2nd callback not called before 3rd");
};
_PipelineBuilder.CreatePipeline(_Environment.Object);
Assert.AreEqual(1, callback_1.CallCount);
Assert.AreEqual(1, callback_2.CallCount);
Assert.AreEqual(1, callback_3.CallCount);
}
public void DeregisterCallback_Does_Nothing_If_Passed_Same_Handle_Twice()
{
var callback = new MockPipelineCallback();
var handle = _PipelineBuilder.RegisterCallback(callback.Callback, 0);
_PipelineBuilder.DeregisterCallback(handle);
_PipelineBuilder.DeregisterCallback(handle);
}
public void CreatePipeline_Does_Not_Call_Callbacks_That_Have_Been_Removed()
{
var callback = new MockPipelineCallback();
var handle = _PipelineBuilder.RegisterCallback(callback.Callback, 0);
_PipelineBuilder.DeregisterCallback(handle);
_PipelineBuilder.CreatePipeline(_Environment.Object);
Assert.AreEqual(0, callback.CallCount);
}
public void CreatePipeline_Passes_Environment_To_New_Instance_Of_Pipeline()
{
var callback = new MockPipelineCallback();
callback.Action = (env) => _Pipeline.Verify(r => r.Construct(_Environment.Object), Times.Never);
_PipelineBuilder.RegisterCallback(callback.Callback, 0);
_PipelineBuilder.CreatePipeline(_Environment.Object);
_Pipeline.Verify(r => r.Construct(_Environment.Object), Times.Once);
}
public void CreatePipeline_Calls_Registered_Callback()
{
var callback = new MockPipelineCallback();
_PipelineBuilder.RegisterCallback(callback.Callback, 0);
_PipelineBuilder.CreatePipeline(_Environment.Object);
Assert.AreEqual(1, callback.CallCount);
Assert.AreEqual(1, callback.AllEnvironments.Count);
Assert.AreSame(_Environment.Object, callback.LastEnvironment);
}
public void CreatePipeline_Calls_Optional_HostFinalCallback_Action_After_Calling_Registered_Callbacks()
{
var hostFinalCallbackCalled = false;
var callback = new MockPipelineCallback();
_PipelineBuilder.RegisterCallback(callback.Callback, 0);
Action hostFinalCallback = () => {
Assert.AreEqual(1, callback.CallCount);
hostFinalCallbackCalled = true;
};
_Environment.Object.Properties[ApplicationStartupKey.HostFinalCallback] = hostFinalCallback;
_PipelineBuilder.CreatePipeline(_Environment.Object);
Assert.IsTrue(hostFinalCallbackCalled);
}
public void RegisterCallback_Returns_Handle()
{
var callback = new MockPipelineCallback();
Assert.IsNotNull(_PipelineBuilder.RegisterCallback(callback.Callback, 0));
}