JasperFx/alba

A humble library of helpers and a Trie-based router for OWIN applications

@Hawxy

I did a bit of work spiking integration with WebApplicationFactory, let me know what you think of #97.

@Hawxy

In theory you could move everything that lives in AlbaHost into the factory and standardize on it across the board, although at the cost of ForStartup and consumers with unusual entry-points.

Jeremy D. Miller

@jeremydmiller

I think the ForStartup() needs to die and go away anyway. Too much other stuff potentially happens on HostBuilder. I need to think about it a touch more, but I’m inclined to agree with the approach in that PR. Now that I understand the magic of how WebApplicationFactory resolves things w/o having to duplicate all the project configuration, I think I’m good with what you did.

Oakton is going to be a totally different problem, but that’s later next week’s problem

Thank you for doing that!

@Hawxy

No problem. You might've seen it already but Andrew Lock has some great articles around the HostFactoryResolver internals: https://andrewlock.net/exploring-dotnet-6-part-5-supporting-ef-core-tools-with-webapplicationbuilder/

Jeremy D. Miller

@jeremydmiller

https://jeremydmiller.com/2021/11/29/jasperfx-oss-plans-for-v6-marten-et-al/

Jeremy D. Miller

@jeremydmiller

@Hawxy I pulled your PR in today. Added a tiny bit more tests, and made some mild adjustments, but it's looking good right now.

Jeremy D. Miller

@jeremydmiller

Alba 7.0 is up with support for WebApplication & WebApplicationBuilder. Docs and a blog post will follow later this week or next.

@Hawxy

Sweet!

@Hawxy

I did have another branch in the works that's more aggressive and removes everything apart from the WebApplicationFactory extensions, cleaning up the AlbaHost quite a bit. The ecosystem might not be ready for that yet though :)

Jeremy D. Miller

@jeremydmiller

I was impatient to shoot that one out. Trying to clear the deck fast for the .Net 6 stuff. I don’t want to drop support for IHostBuilder at the least. No reason to strip out stuff that works in .Net 5/6

@Hawxy

Got a quick one: JasperFx/alba#99

Jeremy D. Miller

@jeremydmiller

I’ll get that today. And hey, check the Marten room too. I think we’re having to partially reverse some of the async improvement PR you did awhile back. Might be interesting to watch that

pieteckhart

@pieteckhart

Hi,
I'm currently running my integration tests using Microsoft.AspNetCore.Mvc.Testing directly. This allows me to use the HttpClient directly so I can inject it in a (swagger) generated rest client.
I would like to make use of the Security Extensions that Alba provides. Is there any way to access the underlying httpclient in an Scenario?

Is https://jasperfx.github.io/alba/guide/extensions.html what i'm looking for?

Jeremy D. Miller

@jeremydmiller

Not right now, no. Sounds like an interesting pull request though. The extensions are only working against Alba’s in memory scenario model.

And I’d argue that using Alba would be easier than trying to do things directly through HttpClient anyway in most cases

pieteckhart

@pieteckhart

Thanks for the quick reply. Maybe in the future I can contribute. For now I have worked around it without using Alba.
Trying out Alba made me fall in love with integration testing, so thanks for that anyway :)

Jeremy D. Miller

@jeremydmiller

And there’s always the option of just stealing the code out of Alba, but adapting it to using HttpClient.

Hallstein Brøtan

@hallstein82_twitter

Thanks for adding support for ASP.Net Core 6 and WebApplicationBuilder! Is it possible to update the documentation with an example on how to share a test setup using xUnit (and TestFixtureCollection I presume) using the new functionality for WebApplicationBuilder?

Jeremy D. Miller

@jeremydmiller

@hallstein82_twitter Sounds like a good pull request

@Hawxy

@hallstein82_twitter Added an example, JasperFx/alba#100

Jeremy D. Miller

@jeremydmiller

@Hawxy I'll try to cut some time tomorrow to update Alba w/ your last PR and re-publish the docs. Thanks for doing that.

@Hawxy

v6.1.0 has been published, along with the relevant doc updates.

Jeremy D. Miller

@jeremydmiller

@Hawxy I tried to use Alba against a minimal API project today, and got hit with the compiler saying the implied Program class in the system under test being internal and inaccessible. Yet that works just fine in the Alba codebase itself. Do you have any idea why?

@Hawxy

@jeremydmiller you gotta add:

  <ItemGroup>
    <InternalsVisibleTo Include="ProjectName.Tests" />
  </ItemGroup>

I did update the alba docs with that as I noticed it was missing

Jeremy D. Miller

@jeremydmiller

And that feels very obvious in retrospect, thank you!

dhaligas

@dhaligas

I am trying to use Host.Services.GetRequiredService in my tests but that is not resolving. Is there an extra setup or field to get those

dhaligas

@dhaligas

Looks like I was able to get it by creating a scope Host.Services.CreateScope().ServiceProvider.GetRequiredService<MyService>()

Jeremy D. Miller

@jeremydmiller

That shouldn’t be necessary, can you add more context to what went wrong?

nghhoese

@nghhoese

is it possible to do a https request instead of a http request with alba?

Jeremy D. Miller

@jeremydmiller

It’s not doing a real HTTP request. Alba is using TestServer under the covers, so there’s no Kestrel in there at all

Thomas Skovsende

@skovsende

Been searching for half an hour now and can't find anywhere that explains how to modify my autofac registrations in my tests. The problem is that builder.ConfigureServices in Alba.AlbaHost.For<Program>(...) runs before builder.Host.ConfigureContainer in Program, so all my test registrations is getting overwritten by my application registrations. If anyone can point me in the right direction it would be greatly appreciated.

Thomas Skovsende

@skovsende

I have tried using builder.ConfigureTestContainer, but it doesn't seem to get called

Thomas Skovsende

@skovsende

Ha! I think I got it. Apparently a bug was introduced in .net 3 that made ConfigureTestContainer not be called any more: dotnet/aspnetcore#14907 But the good guys at autofac came up with a way to work around that bug here: https://github.com/autofac/Autofac/issues/1207#issuecomment-701961371 - and with that and reading a little alba code, I came up with an IAlbaHostExtension that seems to work! https://gist.github.com/skovsende/bc4f3b3ccd6ea40e733020d63a58f121

I'll see if I can find some time over the weekend to do a short blog post about the solution.

rsen

@rsen:matrix.org

[m]

Has anyone tried creating a AlbaHost for a minimal API .net 6 app which only has a Program.cs and no Startup.cs. The examples for stubbing out security are only for .net 6 projects that have a Startup.cs. The below does not work when app only has Program.cs.

// This is calling your real web service's configuration
var hostBuilder = WebAppSecuredWithJwt.Program
    .CreateHostBuilder(Array.Empty<string>());

@Hawxy

@rsen:matrix.org yes it works fine, you can use the IAlbaExtensions param to pass in the stub:

Alba.AlbaHost.For<Program>(c =>
        {
           // etc
        }, new JwtSecurityStub())

rsen

@rsen:matrix.org

[m]

Thanks @Hawxy that worked. Did'nt look at the example thoroughly. I can pass the security stub while initialising the host.

rsen

@rsen:matrix.org

[m]

This is regarding building AlbaHost. My aspnet 6 project only has Program class and no Startup class. I am using underlying WebApplicationFactory to create the host. How do i specify to use the Testing specific appSettings json file when building the host?

AlbaHost = await Alba.AlbaHost.For<Program>(builder =>
            {

                builder.ConfigureServices(services =>
                {

                });
            });

@Hawxy

builder.ConfigureAppConfiguration

rsen

@rsen:matrix.org

[m]

Thanks @Hawxy actually I realised I could use builder.UserEnvironment("test"); before the ConfigureServices. That works as well.

rsen237

@rsen237:matrix.org

[m]

Hi, as anyone successfully used the FormData to upload file to an endpoint. I am trying the following but doesnt seem to work.

_.Post.FormData(form).ToUrl(_basePath);
where form is MultipartFormDataContent containing the file.

Came across this issue which has been closed JasperFx/alba#77.

I tried the same setting custom context as in the link above it does not work. Any ideas what could be wrong?

Jeremy D. Miller

@jeremydmiller

@rsen237:matrix.org I honestly have never used that, and nothing was added to Alba itself. If you could make a reproduction of that somehow, I’d be happy to take a look and try to push through it in Alba itself.

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