How can I reset an EF7 InMemory provider between unit tests?

Question

I am trying to use the EF7 InMemory provider for unit tests, but the persistent nature of the InMemory database between tests is causing me problems.

The following code d

Answer 1

Simply change your code definition of DbContextOptionsBuilder to be like following :

        var databaseName = "DatabaseNameHere";
        var dbContextOption = new DbContextOptionsBuilder()
                                    .UseInMemoryDatabase(databaseName, new InMemoryDatabaseRoot())
                                    .Options;

new InMemoryDatabaseRoot() creates a new database without the issue of Id's persisting. So you don't need now for :

       [TestCleanup]
       public void Cleanup()
       {
           _context = null;
       }