public void Pipeline_Executes_With_No_Bindings_To_Pipeline()
{
MockProcessor1 processor1 = new MockProcessor1();
MockProcessorEchoString processor2 = new MockProcessorEchoString();
MockPipeline pipeline = new MockPipeline(
new Processor[] { processor1, processor2 },
Enumerable.Empty<ProcessorArgument>(),
Enumerable.Empty<ProcessorArgument>());
pipeline.BindArguments(processor1.OutArguments[0], processor2.InArguments[0]);
pipeline.Initialize();
ProcessorResult result = pipeline.Execute(new object[0]);
Assert.IsNotNull(result, "Expected non-null ProcessorResult");
Assert.IsNotNull(result.Output, "Expected non-null output from unbound pipeline");
Assert.AreEqual(0, result.Output.Length, "Expected empty array from unbound pipeline");
// Verify processor1 pushed default(int) through to processor2
object value = pipeline.Context.ReadInput(processor2.InArguments[0]);
Assert.IsNotNull(value);
Assert.AreEqual(default(int).ToString(), value, "Expected default(int) to be passed from processor1 to processor2");
}
public void Pipeline_Bind_OnBinding_OnBind_OnBound_Callbacks()
{
MockProcessor1 processor1 = new MockProcessor1();
MockProcessorEchoString processor2 = new MockProcessorEchoString();
MockPipeline pipeline = new MockPipeline(
new Processor[] { processor1, processor2 },
Enumerable.Empty<ProcessorArgument>(),
Enumerable.Empty<ProcessorArgument>());
BindArgumentsEventArgs bindingEventArgs = null;
BindArgumentsEventArgs boundEventArgs = null;
ProcessorArgument inArgFromBind = null;
ProcessorArgument outArgFromBind = null;
pipeline.OnBindArgumentsCalled = (outArg, inArg) =>
{
inArgFromBind = inArg;
outArgFromBind = outArg;
};
pipeline.BindingArguments = (s, a) => { bindingEventArgs = a as BindArgumentsEventArgs; };
pipeline.BoundArguments = (s, a) => { boundEventArgs = a as BindArgumentsEventArgs; };
pipeline.BindArguments(processor1.OutArguments[0], processor2.InArguments[0]);
Assert.IsNotNull(bindingEventArgs, "Did not receive BindingArguments callback");
Assert.AreSame(processor1.OutArguments[0], bindingEventArgs.OutArgument, "Did not receive correct outArg in BindingArgument callback");
Assert.AreSame(processor2.InArguments[0], bindingEventArgs.InArgument, "Did not receive correct inArg in BindingArgument callback");
Assert.IsNotNull(boundEventArgs, "Did not receive BoundArguments callback");
Assert.AreSame(processor1.OutArguments[0], boundEventArgs.OutArgument, "Did not receive correct outArg in BoundArgument callback");
Assert.AreSame(processor2.InArguments[0], boundEventArgs.InArgument, "Did not receive correct inArg in BoundArgument callback");
Assert.AreSame(processor1.OutArguments[0], outArgFromBind, "Did not receive correct outArg in OnBind virtual");
Assert.AreSame(processor2.InArguments[0], inArgFromBind, "Did not receive correct inArg in OnBind virtual");
}
