public async Task when_handling_the_command()
{
CommandName = "FakeCommand";
FakeCommandProcessor.Setup(x => x.GetCommandType(CommandName)).Returns(typeof(FakeCommand));
async Task should_invoke_the_command_processor()
{
FakeCommandProcessor.Setup(x => x.ProcessAsync(It.IsAny <FakeCommand>())).Returns(Task.CompletedTask);
var result = await Subject.Handle(CommandName, Json);
(await result.ExecuteAsync(CancellationToken.None)).StatusCode.Should().Be(200);
}
async Task should_handle_CommandProcessorException()
{
FakeCommandProcessor.Setup(x => x.ProcessAsync(It.IsAny <FakeCommand>())).Throws(new CommandProcessorException("fail"));
var result = await Subject.Handle(CommandName, Json);
await result.ShouldBeErrorAsync("fail", 400);
}
async Task should_handle_CommandException()
{
FakeCommandProcessor.Setup(x => x.ProcessAsync(It.IsAny <FakeCommand>())).Throws(new CommandException("invalid"));
var result = await Subject.Handle(CommandName, Json);
await result.ShouldBeErrorAsync("invalid", 400);
}
async Task should_handle_Exception()
{
FakeCommandProcessor.Setup(x => x.ProcessAsync(It.IsAny <FakeCommand>())).Throws(new Exception("fail"));
var result = await Subject.Handle(CommandName, Json);
await result.ShouldBeErrorAsync("fail", 500);
}
async Task should_log_errors()
{
var fakeTraceWriter = new Mock <ITraceWriter>();
var subject = new FakeCommandController(FakeCommandProcessor.Object, fakeTraceWriter.Object)
{
Request = new HttpRequestMessage(),
Configuration = new HttpConfiguration()
};
FakeCommandProcessor.Setup(x => x.ProcessAsync(It.IsAny <FakeCommand>())).Throws(new Exception("fail"));
await subject.Handle(CommandName, Json);
fakeTraceWriter.Verify(x => x.Trace(It.IsAny <HttpRequestMessage>(), "UnhandledCommandException", TraceLevel.Error, It.IsAny <Action <TraceRecord> >()));
}
}
public void SetUp()
{
FakeCommandProcessor = new Mock <ICommandProcessor>();
Subject = new FakeCommandController(FakeCommandProcessor.Object)
{
Request = new HttpRequestMessage(),
Configuration = new HttpConfiguration()
};
}