public void ProcessArgs_When_Invalid_Argument_Specified_Writes_To_Error_Stream()
{
var error = new Mock<TextWriter>(MockBehavior.Strict);
error.Setup(tw => tw.WriteLine(It.IsAny<string>(), It.IsAny<object>()));
ConsoleProcessor processor = new ConsoleProcessor(Mock.Of<TextWriter>(), error.Object);
processor.ProcessArgs(new string[] {"--magic", "--pony"});
error.Verify(tw => tw.WriteLine(It.IsAny<string>(), It.IsAny<object>()), Times.Exactly(2));
}
public void ProcessArgs_When_Arguments_Length_Zero_Writes_Help_To_Output_Stream()
{
var output = new Mock<TextWriter>(MockBehavior.Strict);
var error = new Mock<TextWriter>(MockBehavior.Strict);
output.Setup(tw => tw.WriteLine(It.IsAny<string>()));
output.Setup(tw => tw.Write(It.IsAny<string>()));
output.Setup(tw => tw.WriteLine());
ConsoleProcessor processor = new ConsoleProcessor(output.Object, error.Object);
processor.ProcessArgs(new string[0]);
output.VerifyAll();
error.VerifyAll();
}