public void OneHandler()
{
Recorder.Records.Clear();
RecordingHandler handler = new RecordingHandler();
StubMethodInvocation invocation = new StubMethodInvocation();
HandlerPipeline pipeline = new HandlerPipeline(handler);
pipeline.Invoke(invocation, delegate
{
Recorder.Records.Add("method");
return(null);
});
Assert.Equal(3, Recorder.Records.Count);
Assert.Equal("Before Method", Recorder.Records[0]);
Assert.Equal("method", Recorder.Records[1]);
Assert.Equal("After Method", Recorder.Records[2]);
}
public void NoHandlersCallsTarget()
{
bool called = false;
StubMethodInvocation invocation = new StubMethodInvocation();
StubMethodReturn returnValue = new StubMethodReturn();
HandlerPipeline pipeline = new HandlerPipeline();
IMethodReturn result = pipeline.Invoke(invocation, delegate(IMethodInvocation call,
GetNextHandlerDelegate getNext)
{
Assert.Same(call, invocation);
Assert.Null(getNext);
called = true;
return(returnValue);
});
Assert.True(called);
Assert.Same(returnValue, result);
}
public void TwoHandlers()
{
Recorder.Records.Clear();
RecordingHandler handler1 = new RecordingHandler("1");
RecordingHandler handler2 = new RecordingHandler("2");
StubMethodInvocation invocation = new StubMethodInvocation();
HandlerPipeline pipeline = new HandlerPipeline(handler1, handler2);
pipeline.Invoke(invocation, delegate
{
Recorder.Records.Add("method");
return(null);
});
Assert.Equal(5, Recorder.Records.Count);
Assert.Equal("Before Method (1)", Recorder.Records[0]);
Assert.Equal("Before Method (2)", Recorder.Records[1]);
Assert.Equal("method", Recorder.Records[2]);
Assert.Equal("After Method (2)", Recorder.Records[3]);
Assert.Equal("After Method (1)", Recorder.Records[4]);
}