public void Should_Return_Collection_Of_Responses_From_All_Applicable_Handlers()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IResponseHandler <TestRequest, TestResult>, DependentResponseHandler>();
sc.AddTransient <IResponseHandler <TestRequest, TestResult>, IndependentResponseHandler>();
sc.AddTransient <IResponseHandler <TestRequest, TestResult>, MainResponseHandler>();
sc.AddTransient <IResponseHandler <TestRequest, TestResult>, DependentNonApplicableResponseHandler>();
});
var request = new TestRequest
{
Name = "Ruhul"
};
var rsp = sut.Responses <TestRequest, TestResult>(request);
rsp.MainResponse().IsSucceed.ShouldBe(true);
rsp.MainResponse().Value.ShouldNotBeNull();
rsp.MainResponse().Value.Message.ShouldBe($"{request.Name} : handled by {nameof(MainResponseHandler)}");
rsp.OtherResponses().Count().ShouldBe(2);
rsp.OtherResponses().ShouldContain(x => x.Value.Message == $"{request.Name} : handled by {nameof(DependentResponseHandler)}");
rsp.OtherResponses().ShouldContain(x => x.Value.Message == $"{request.Name} : handled by {nameof(IndependentResponseHandler)}");
rsp.OtherResponses().ShouldNotContain(x => x.Value.Message == $"{request.Name} : handled by {nameof(DependentNonApplicableResponseHandler)}");
}
public async Task Should_Return_Collection_Of_Responses_From_All_Applicable_Handlers()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IResponseHandlerAsync <TestRequest, TestResult>, DependentResponseHandler>();
sc.AddTransient <IResponseHandlerAsync <TestRequest, TestResult>, IndependentResponseHandler>();
sc.AddTransient <IResponseHandlerAsync <TestRequest, TestResult>, MainResponseHandler>();
sc.AddTransient <IResponseHandlerAsync <TestRequest, TestResult>, DependentNonApplicableResponseHandler>();
});
var request = new TestRequest
{
Name = "Ruhul"
};
var rsp = await sut.ResponsesAsync <TestRequest, TestResult>(request);
var mainRsp = rsp.MainResponse();
var others = rsp.OtherResponses().ToArray();
mainRsp.ShouldNotBeNull();
others.Length.ShouldBe(2);
mainRsp.IsSucceed.ShouldBe(true);
others.ShouldAllBe(x => x.IsSucceed);
others.ShouldAllBe(x => x.Value != null);
mainRsp.Value.Message.ShouldBe($"{request.Name} : handled by {nameof(MainResponseHandler)}");
others.ShouldContain(x =>
x.Value.Message == $"{request.Name} : handled by {nameof(DependentResponseHandler)}");
others.ShouldContain(x =>
x.Value.Message == $"{request.Name} : handled by {nameof(IndependentResponseHandler)}");
others.ShouldNotContain(x =>
x.Value.Message == $"{request.Name} : handled by {nameof(DependentNonApplicableResponseHandler)}");
}
public async Task Filters_Should_Change_Final_Response_After_All_Handlers_Executed()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IResponseHandlerAsync <TestRequest, TestResult>, MainResponseHandler>();
sc.AddTransient <IResponseHandlerAsync <TestRequest, TestResult>, DependentResponseHandler>();
sc.AddTransient <IResponseFilterAsync <TestRequest, TestResult>, ResponseFilter>();
sc.AddTransient <IResponseFilterAsync <TestRequest, TestResult>, ResponseFilterNotApplicable>();
});
var request = new TestRequest
{
Name = "Ruhul"
};
var rsp = await sut.ResponsesAsync <TestRequest, TestResult>(request);
var mainRsp = rsp.MainResponse();
var others = rsp.OtherResponses().ToArray();
mainRsp.ShouldNotBeNull();
mainRsp.IsSucceed.ShouldBe(true);
others.Length.ShouldBe(2);
others.ShouldContain(x => x.Value.Message == $"{request.Name} filtered by {nameof(ResponseFilter)}");
}
public void Should_Throw_Exception_When_No_Handler_Available()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IResponseHandler <None, TestResult>, ResponseHandlerNotApplicable>();
});
Should.Throw <NoHandlerAvailable>(() => sut.Response <TestResult>());
}
public void Should_Throw_Exception_When_Handler_Not_Available()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IRequestHandler <TestRequest, TestResponse>, TestRequestNotApplicableHandler>();
});
Should.Throw <NoHandlerAvailable>(() =>
sut.Send <TestRequest, TestResponse>(new TestRequest()));
}
public void Should_Return_BadRequest_With_Error_When_Validation_Failed()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IRequestValidator <TestRequest>, TestRequestValidator>();
});
var rsp = sut.WidgetResponse(new TestRequest());
rsp.StatusCode.ShouldBe(400);
rsp.Errors.Count().ShouldBe(1);
rsp.Errors.ShouldContain(x => x.Message == "Name is required." && x.PropertyName == "Name");
}
public void Should_Return_Empty_Response_When_No_Handler_Registered()
{
var sut = IocHelper.GetRequestBus(sc =>
{
});
var rsp = sut.WidgetResponse(new TestRequest());
rsp.ShouldNotBeNull();
rsp.StatusCode.ShouldBe((int)HttpStatusCode.OK);
rsp.Errors.ShouldBeEmpty();
rsp.Widgets.ShouldBeEmpty();
}
public void Should_Make_RequestBus_Context_Available_To_Handler()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IRequestBusContextWriter, RequestContextWriter>();
sc.AddTransient <IRequestHandler <TestRequestContext, None>, TestRequestContextHandler>();
});
var request = new TestRequestContext();
sut.Send(request);
request.MsgInContext.ShouldBe("Hello World!");
}
public void Should_Return_Result_By_First_Applicable_Handler()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IRequestHandler <TestRequest, TestResponse>, TestRequestNotApplicableHandler>();
sc.AddTransient <IRequestHandler <TestRequest, TestResponse>, TestRequestHandler>();
});
var rsp = sut.Send <TestRequest, TestResponse>(new TestRequest());
rsp.IsSucceed.ShouldBe(true);
rsp.Value.HandlerExecuted.ShouldBe(nameof(TestRequestHandler));
}
public void Should_Validate_Request()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IRequestValidator <TestRequest>, TestRequestValidator>();
});
var rsp = sut.Responses <TestRequest, TestResult>(new TestRequest());
rsp.MainResponse().ShouldNotBeNull();
rsp.MainResponse().IsSucceed.ShouldBeFalse();
rsp.MainResponse().Errors.ShouldContain(x => x.Message == "Name is required.");
}
public void Should_Execute_Applicable_Handler()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IResponseHandler <None, TestResult>, ResponseHandler>();
sc.AddTransient <IResponseHandler <None, TestResult>, ResponseHandlerNotApplicable>();
});
var rsp = sut.Response <TestResult>();
rsp.IsSucceed.ShouldBe(true);
rsp.Value.ShouldNotBeNull();
rsp.Value.Message.ShouldBe("Hello World!");
}
public void Should_Return_Response_From_First_Applicable_Handler()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IRequestHandler <TestRequest, None>, TestNoApplicableRequestHandler>();
sc.AddTransient <IRequestHandler <TestRequest, None>, TestRequestHandler>();
});
var request = new TestRequest();
sut.Send(request);
request.HandlersExecuted.ShouldContain(nameof(TestRequestHandler));
}
public async Task Should_Run_First_Applicable_Handler()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IRequestHandlerAsync <TestRequest, None>, TestNoApplicableRequestHandler>();
sc.AddTransient <IRequestHandlerAsync <TestRequest, None>, TestRequestHandler>();
});
var request = new TestRequest();
await sut.SendAsync(request);
request.HandlersExecuted.ShouldContain(nameof(TestRequestHandler));
}
public void Should_Populate_And_Make_RequestContext_Available_To_Handler()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IRequestHandler <TestRequest, TestResponse>, TestContextHandler>();
sc.AddTransient <IRequestBusContextWriter, TestTenantContextWriter>();
sc.AddTransient <IRequestBusContextWriter, TestUserContextWriter>();
});
var rsp = sut.Send <TestRequest, TestResponse>(new TestRequest());
rsp.IsSucceed.ShouldBe(true);
rsp.Value.HandlerExecuted.ShouldBe(nameof(TestContextHandler));
rsp.Value.Message.ShouldBe("tenant:bookworm-au user:ruhul");
}
public async Task Should_Validate_Request()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IRequestValidatorAsync <TestRequest>, TestRequestValidator>();
});
var rsp = await sut.ResponsesAsync <TestRequest, TestResult>(new TestRequest());
var mainRsp = rsp.MainResponse();
mainRsp.ShouldNotBeNull();
mainRsp.IsSucceed.ShouldBe(false);
mainRsp.Errors.ShouldContain(x => x.Message == "Name is required.");
}
public void Should_Execute_All_Applicable_EventHandlers()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IEventHandler <OrderPlaced>, OrderPlacedTest1EventHandler>();
sc.AddTransient <IEventHandler <OrderPlaced>, OrderPlacedTest2EventHandler>();
sc.AddTransient <IEventHandler <OrderPlaced>, OrderPlacedTest3EventHandler>();
});
var @event = new OrderPlaced();
sut.Publish(@event);
@event.HandlersProcessed.ShouldContain(nameof(OrderPlacedTest1EventHandler));
@event.HandlersProcessed.ShouldContain(nameof(OrderPlacedTest2EventHandler));
@event.HandlersProcessed.ShouldNotContain(nameof(OrderPlacedTest3EventHandler));
}
public void Should_Return_All_Widget_Responses()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IResponseHandler <TestRequest, WidgetResponse>, MainTestWidget>();
sc.AddTransient <IResponseHandler <TestRequest, WidgetResponse>, TestWidget3Rd>();
sc.AddTransient <IResponseHandler <TestRequest, WidgetResponse>, TestWidget2Nd>();
});
var rsp = sut.WidgetResponse(new TestRequest());
rsp.StatusCode.ShouldBe(200);
rsp.RedirectAction.ShouldBeNull();
rsp.Widgets.ShouldContain(x => x.Name == "main" && x.DisplayOrder == 0);
rsp.Widgets.ShouldContain(x => x.Name == "recently-viewed" && x.DisplayOrder == 2);
rsp.Widgets.ShouldContain(x => x.Name == "latest-editorials" && x.DisplayOrder == 1);
}
public async Task Should_Validate_Request()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IRequestHandlerAsync <TestValidationRequest, string>, TestValidationRequestHandler>();
sc.AddTransient <IRequestValidatorAsync <TestValidationRequest>,
TestNotApplicableRequestValidator>();
sc.AddTransient <IRequestValidatorAsync <TestValidationRequest>, TestRequestValidator>();
});
var rsp = await sut.SendAsync <TestValidationRequest, string>(new TestValidationRequest());
rsp.IsSucceed.ShouldBe(false);
rsp.Value.ShouldBe(null);
rsp.Errors.ShouldContain(err =>
err.Message == "Name is required." &&
err.PropertyName == "Name");
}
public void Should_Not_Run_Other_Handlers_When_Main_Handler_Failed()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IResponseHandler <TestRequest, TestResult>, DependentResponseHandler>();
sc.AddTransient <IResponseHandler <TestRequest, TestResult>, IndependentResponseHandler>();
sc.AddTransient <IResponseHandler <TestRequest, TestResult>, MainFailedResponseHandler>();
sc.AddTransient <IResponseHandler <TestRequest, TestResult>, DependentNonApplicableResponseHandler>();
});
var request = new TestRequest
{
Name = "Ruhul"
};
var rsp = sut.Responses <TestRequest, TestResult>(request);
rsp.MainResponse().IsSucceed.ShouldBe(false);
rsp.MainResponse().Errors.Count().ShouldBe(0);
}
public void Exception_In_NonMain_Handler_Should_Not_Stop_Other_Handlers_Execution()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IResponseHandler <TestRequest, TestResult>, InDependentHandlerWithException>();
sc.AddTransient <IResponseHandler <TestRequest, TestResult>, DependentHandlerWithException>();
sc.AddTransient <IResponseHandler <TestRequest, TestResult>, MainResponseHandler>();
});
var request = new TestRequest
{
Name = "Ruhul"
};
var rsp = sut.Responses <TestRequest, TestResult>(request);
rsp.MainResponse().IsSucceed.ShouldBe(true);
rsp.MainResponse().Value.Message.ShouldBe($"{request.Name} : handled by {nameof(MainResponseHandler)}");
rsp.MainResponse().Errors.Count().ShouldBe(0);
}
public async Task Should_Validate_Request()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IRequestHandlerAsync <RequestForShouldValidateRequest, None>,
RequestHandlerForShouldValidateRequest>();
sc.AddTransient <IRequestValidatorAsync <RequestForShouldValidateRequest>,
RequestValidatorNotApplicableForShouldValidateRequest>();
sc.AddTransient <IRequestValidatorAsync <RequestForShouldValidateRequest>,
RequestValidatorForShouldValidateRequest>();
});
var rsp = await sut.SendAsync <RequestForShouldValidateRequest>(new RequestForShouldValidateRequest());
rsp.IsSucceed.ShouldBe(false);
rsp.Errors.ShouldContain(x =>
x.Message == "Name is required." &&
x.PropertyName == "Name");
}
public void Filters_Should_Change_Final_Response_After_All_Handlers_Executed()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IResponseHandler <TestRequest, TestResult>, MainResponseHandler>();
sc.AddTransient <IResponseHandler <TestRequest, TestResult>, DependentResponseHandler>();
sc.AddTransient <IResponseFilter <TestRequest, TestResult>, ResponseFilter>();
sc.AddTransient <IResponseFilter <TestRequest, TestResult>, ResponseFilterNotApplicable>();
});
var request = new TestRequest
{
Name = "Ruhul"
};
var rsp = sut.Responses <TestRequest, TestResult>(request);
rsp.MainResponse().IsSucceed.ShouldBe(true);
rsp.OtherResponses().Count().ShouldBe(2);
rsp.OtherResponses().ShouldContain(x =>
x.Value.Message == $"{request.Name} filtered by {nameof(ResponseFilter)}");
}
public async Task Should_Not_Run_Other_Dependent_Handlers_When_Main_Handler_Failed()
{
var sut = IocHelper.GetRequestBus(sc =>
{
sc.AddTransient <IResponseHandlerAsync <TestRequest, TestResult>, DependentResponseHandler>();
sc.AddTransient <IResponseHandlerAsync <TestRequest, TestResult>, IndependentResponseHandler>();
sc.AddTransient <IResponseHandlerAsync <TestRequest, TestResult>, MainFailedResponseHandler>();
sc.AddTransient <IResponseHandlerAsync <TestRequest, TestResult>, DependentNonApplicableResponseHandler>();
});
var request = new TestRequest
{
Name = "Ruhul"
};
var rsp = await sut.ResponsesAsync <TestRequest, TestResult>(request);
var mainRsp = rsp.MainResponse();
mainRsp.ShouldNotBeNull();
mainRsp.IsSucceed.ShouldBe(false);
mainRsp.Errors.Count().ShouldBe(0);
rsp.OtherResponses().Count().ShouldBe(1);
}
public void Should_Throw_Exception_When_No_Handler_Available()
{
var sut = IocHelper.GetRequestBus();
Should.Throw <NoHandlerAvailable>(() => sut.Send <TestRequest>(new TestRequest()));
}
public async Task Should_Throw_Exception_When_No_Handler_Available()
{
var sut = IocHelper.GetRequestBus();
await Should.ThrowAsync <NoHandlerAvailable>(() => sut.SendAsync(new TestRequest()));
}