public void Pipeline_BindArgumentToPipelineInput_By_Bad_Name_Throws()
{
MockProcessor1 processor = new MockProcessor1();
MockPipeline pipeline = new MockPipeline(
new Processor[] { processor },
new ProcessorArgument[] { new ProcessorArgument("PipelineInput", typeof(int)) },
Enumerable.Empty<ProcessorArgument>());
ExceptionAssert.Throws(
typeof(ArgumentException),
"BindArgumentToPipelineInput should throw with null name",
() => pipeline.BindArgumentToPipelineInput(null, processor.InArguments[0]),
"pipelineInputArgumentName"
);
ExceptionAssert.Throws(
typeof(ArgumentException),
"BindArgumentToPipelineInput should throw with empty name",
() => pipeline.BindArgumentToPipelineInput(string.Empty, processor.InArguments[0]),
"pipelineInputArgumentName"
);
ExceptionAssert.Throws(
typeof(ArgumentException),
"BindArgumentToPipelineInput should throw with whitespace name",
() => pipeline.BindArgumentToPipelineInput(" ", processor.InArguments[0]),
"pipelineInputArgumentName"
);
ExceptionAssert.ThrowsInvalidOperation(
"BindArgumentToPipelineInput should throw with non-existent name",
() => pipeline.BindArgumentToPipelineInput("NotAName", processor.InArguments[0])
);
}
/// <summary>
/// This pipeline has 2 MockProcessor1's in it, both binding their inputs to the pipeline's 'intValue'.
/// The pipeline has 2 outputs, one bound to each processor's.
/// </summary>
/// <returns></returns>
public static MockPipeline CreateDoubleMockProcessor1Pipeline()
{
Processor processor1 = new MockProcessor1();
Processor processor2 = new MockProcessor1();
MockPipeline pipeline = new MockPipeline(
new[] { processor1, processor2 },
new[] { new ProcessorArgument("intValue", typeof(int), new object[0]) },
new[] { new ProcessorArgument("theResult1", typeof(string), new object[0]),
new ProcessorArgument("theResult2", typeof(string), new object[0])}
);
// Pipeline["intValue"] --> Processor1[0]
pipeline.BindArgumentToPipelineInput("intValue", processor1.InArguments[0]);
// Pipeline["intValue"] --> Processor2[0]
pipeline.BindArgumentToPipelineInput("intValue", processor2.InArguments[0]);
// Processor1[0] --> Pipeline["theResult1"]
pipeline.BindArgumentToPipelineOutput(processor1.OutArguments[0], "theResult1");
// Processor2[0] --> Pipeline["theResult2"]
pipeline.BindArgumentToPipelineOutput(processor2.OutArguments[0], "theResult2");
pipeline.Initialize();
return pipeline;
}
/// <summary>
/// Creates a Pipeline with no actual processor other than binding the pipeline inputs to the
/// pipeline outputs.
/// </summary>
/// <returns></returns>
public static MockPipeline CreateEmptyPipeline()
{
MockPipeline pipeline = new MockPipeline(
new Processor[0],
new[] { new ProcessorArgument("inValue", typeof(string), new object[0]) },
new[] { new ProcessorArgument("outValue", typeof(string), new object[0]) }
);
pipeline.BindArgumentToPipelineInput("inValue", pipeline.Processors[1].InArguments[0]);
pipeline.Initialize();
return pipeline;
}
/// <summary>
/// Creates an uninitialized Pipeline with a single MockProcessor1 in it, binding its inputs to the pipeline inputs
/// and its outputs to the pipeline outputs.
/// </summary>
/// <returns></returns>
public static MockPipeline CreateMockProcessor1PipelineUninitialized()
{
Processor processor = new MockProcessor1();
MockPipeline pipeline = new MockPipeline(
new[] { processor },
new[] { new ProcessorArgument("intValue", typeof(int), new object[0]) },
new[] { new ProcessorArgument("theResult", typeof(string), new object[0]) }
);
pipeline.BindArgumentToPipelineInput("intValue", processor.InArguments[0]);
pipeline.BindArgumentToPipelineOutput(processor.OutArguments[0], "theResult");
return pipeline;
}
public void Pipeline_BindArgumentToPipelineInput_By_Bad_Index_Throws()
{
MockProcessor1 processor = new MockProcessor1();
MockPipeline pipeline = new MockPipeline(
new Processor[] { processor },
new ProcessorArgument[] { new ProcessorArgument("PipelineInput", typeof(int)) },
Enumerable.Empty<ProcessorArgument>());
ExceptionAssert.Throws(
typeof(ArgumentOutOfRangeException),
"BindArgumentToPipelineInput should throw with negative index",
() => pipeline.BindArgumentToPipelineInput(-1, processor.InArguments[0]),
"pipelineInputArgumentIndex"
);
ExceptionAssert.Throws(
typeof(ArgumentOutOfRangeException),
"BindArgumentToPipelineInput should throw with too large an index",
() => pipeline.BindArgumentToPipelineInput(1, processor.InArguments[0]),
"pipelineInputArgumentIndex"
);
}
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_Executes_With_No_Bindings()
{
MockProcessor1 processor1 = new MockProcessor1();
MockProcessorEchoString processor2 = new MockProcessorEchoString();
MockPipeline pipeline = new MockPipeline(
new Processor[] { processor1, processor2 },
Enumerable.Empty<ProcessorArgument>(),
Enumerable.Empty<ProcessorArgument>());
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");
Assert.AreEqual(ProcessorStatus.Ok, result.Status, "Expected OK status from pipeline");
}
public void Pipeline_BindArgumentToPipelineInput_By_Index()
{
MockProcessor1 processor = new MockProcessor1();
MockPipeline pipeline = new MockPipeline(
new Processor[] { processor },
new ProcessorArgument[] { new ProcessorArgument("PipelineInput", typeof(int)) },
Enumerable.Empty<ProcessorArgument>());
BindArgumentsEventArgs eventArgs = null;
ProcessorArgument inArgFromBind = null;
ProcessorArgument outArgFromBind = null;
pipeline.OnBindArgumentsCalled = (outArg, inArg) =>
{
inArgFromBind = inArg;
outArgFromBind = outArg;
};
pipeline.BoundArguments = (s, a) => { eventArgs = a as BindArgumentsEventArgs; };
pipeline.BindArgumentToPipelineInput(0, processor.InArguments[0]);
Assert.IsNotNull(eventArgs, "Did not receive OnBoundArguments callback");
Assert.AreSame(pipeline.Processors[0].OutArguments[0], outArgFromBind, "Did not receive correct outArg in OnBind virtual");
Assert.AreSame(pipeline.Processors[1].InArguments[0], inArgFromBind, "Did not receive correct inArg in OnBind virtual");
Assert.IsTrue(pipeline.GetBoundToArguments(pipeline.Processors[0].OutArguments[0]).Contains(processor.InArguments[0]),
"Failed to find processor 1's in argument in bindings for entry processor");
}
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");
}