homely / homely.aspnetcore.hosting.coreapp Goto Github PK

Currently, data-seeding kicks off in during the Configure/ConfigureServices methods in startup.cs which means the web host has started and could be accepting connections before the DB has been seeded.

So instead update to .NET Core 3.0 and use GenericHost.

Explained here: dotnet/aspnetcore#10137 (comment)
Sample project here: https://github.com/PureKrome/AspNetCore3-P5-DataSeeding-Experiment/blob/master/Program.cs#L24

The way the current ASP.NET Core Integration tests work is it hooks into the referenced Startup host file, in order to leverage the web host builder.

But due to this current implementation, it's hidden and not available to the main Program.cs.

Resulting in an error like this:

Message: System.InvalidOperationException : No method 'public static IWebHostBuilder CreateWebHostBuilder(string[] args)' found on 'xyz.Program'. Alternatively, WebApplicationFactory`1 can be extended and 'protected virtual IWebHostBuilder CreateWebHostBuilder()' can be overridden to provide your own IWebHostBuilder instance.

Since Program.cs needs to be static, that means we can't leverage any inheritance etc. So might not be able to use this helper lib, if tests are needed (which is all the time, i'd hope). 😢