[FIXED] What is wrong with my JPA test case? I cannot remove tuples with em.remove()

Issue

I am trying to test the delete method of my repository class but I can't pass the test.
Here is my test code.

post delete test code

When persistAll() is called, members are added to the persistence context. And next, when flush(), 100 posts are added to the persistence context because of the Cascade.Persist option.

And I called count(), delete() and count() again to check whether the post tuple is removed from the database or not.

Here are the count() and delete() codes.

methods of my repository

And I got this failure message from JUnit

test failure message

Solution

I solved it by adding em.clear() after em.flush() in persistAll() method.

Answered By - Roger
Answer Checked By - Katrina (JavaFixing Volunteer)