.Net Core Entity Framework core, using new database for each test in same test class

Question

I have a few tests to test the patching functionality. I am using this custom factory https://github.com/aspnet/Docs/blob/master/aspnetcore/test/integration-tests/samples/2.x/IntegrationTestsSample/tests/RazorPagesProject.Tests/CustomWebApplicationFactory.cs

For each test, I want to create new database or at-least clear and seed data again. Because other tests are messing up with data.

Peter Schneider · Accepted Answer · 2019-03-19 23:20:29Z

1

You can use

 db.Database.EnsureDeleted();

This ensures that the database for the context does not exist. If it does not exist, no action is taken. If it does exist then the database is deleted.

answered Mar 19, 2019 at 23:20

Peter Schneider

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4 Comments

user1630477 Over a year ago

yeah I saw that somewhere, but not sure where exactly to use that.

Peter Schneider Over a year ago

In the factory mentioned above on line 44 - right before EnsureCreated()

user1630477 Over a year ago

yeah but that only runs once in the scope, when I run all tests in one file, it's under single scope, so test share the context and hence same data

Peter Schneider Over a year ago

Use IClassFixture<T> - See here...

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