public async Task when_append_steps_into_pipeline_it_should_handle_message_expected_way()
{
var container = SetupContainer();
var pipeline = new Pipeline();
var sut = new VentureIngressPipeFitter(container.GetInstance <IDiContainerAdapter>());
var context = CreateContext();
await using (AsyncScopedLifestyle.BeginScope(container))
{
sut.AppendStepsInto(pipeline);
await pipeline.Execute(context);
}
context.Message.Should()
.BeOfType <Message1>()
.Subject.IsExecuted.Should().BeTrue("message should be handled");
context.Handlers.Should()
.NotBeNull("message handler should be found and stored in the context").And
.BeOfType <HandlerDescriptor[]>()
.Subject.Single().HandlerType.Should().Be <Massage1Handler>("message handler should be of expected type");
context.TypeName.Should().Be(nameof(Message1));
context.CorrelationId.Should().Be("VentureApi.Headers.CorrelationId");
context.CausationId.Should().Be("VentureApi.Headers.CausationId");
context.MessageId.Should().Be("VentureApi.Headers.MessageId");
context.MessageType.Should().Be(typeof(Message1));
context.Api.Should().NotBeNull();
}
public async Task when_executed_without_context_it_should_fail()
{
var container = SetupContainer();
var pipeline = new Pipeline();
var pipeFitter = new VentureIngressPipeFitter(container.GetInstance <IDiContainerAdapter>());
// ReSharper disable once AssignNullToNotNullAttribute - it's a test against null.
// ReSharper disable once ObjectCreationAsStatement
Func <Task> sut = () => pipeline.Execute(context: null);
await using (AsyncScopedLifestyle.BeginScope(container))
{
pipeFitter.AppendStepsInto(pipeline);
sut.Should().Throw <ArgumentNullException>("context is required");
}
}
public void when_append_steps_into_pipeline_it_should_contain_expected_steps_in_expected_order()
{
var container = SetupContainer();
var pipeline = new Pipeline();
var sut = new VentureIngressPipeFitter(container.GetInstance <IDiContainerAdapter>());
using (AsyncScopedLifestyle.BeginScope(container))
{
sut.AppendStepsInto(pipeline);
}
pipeline.Steps.Select(step => step.GetType()).Should().Equal(
new[]
{
typeof(ExtractRelationMetadataStep),
typeof(ExtractMessageTypeStep),
typeof(ParseBrokerMessageStep),
typeof(FindMessageHandlersStep),
typeof(ExecuteMessageHandlersStep)
},
"it is all steps in proper order");
}
