Fixing the Missing testhost.deps.json Error in ASP.NET Core 7 MVC Unit Tests

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Understanding the Problem

While working on unit tests, particularly with the Microsoft.AspNetCore.Mvc.Testing package, you may run into the following error:

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2. Modify Your .csproj File

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This directive ensures that the necessary information is preserved during compilation and included in the output, which should resolve the missing file error.

3. Adjust Assembly Info Generation

In some cases, removing the following line from your .csproj file can help as well:

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By default, this setting generates assembly information files automatically unless explicitly set to false, which might lead to complications when running tests. Removing it ensures that the assembly info is generated, helping to resolve dependencies for testing.

Conclusion

Happy testing!