The source code for this post is on GitHub. When it comes to mocking a DbSet to test various read and write operations things may get a little bit tricky. Mocking a DbSet for a write operation (Add, Update, or Remove) is quite straightforward. But testing a synchronous read operation requires mocking the whole IQueryable interface. Even more trickier than that is testing an asynchronous read operation which requires mocking an IDbAsyncQueryProvider interface.

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Sina Iravanian

Movie music junkie, insomniac, daydreamer, procrastinator, hard-determinist, introvert, and a bit into software.

Software Developer

Melbourne, Australia