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What is a key difference between Django's TestCase and SimpleTestCase classes?

easy📝 Conceptual Q2 of 15
Django - Testing Django Applications
What is a key difference between Django's TestCase and SimpleTestCase classes?
ATestCase is for unit tests only, SimpleTestCase is for integration tests
BSimpleTestCase resets the database after each test, TestCase does not
CTestCase resets the database after each test, SimpleTestCase does not use the database
DSimpleTestCase requires a live server, TestCase does not
Step-by-Step Solution
Solution:

  1. Step 1: Recall database handling in TestCase

    TestCase wraps each test in a transaction and resets the database to keep tests isolated.

  2. Step 2: Understand SimpleTestCase behavior

    SimpleTestCase does not use or reset the database because it is for tests that don't need it.

  3. Final Answer:

    TestCase resets the database after each test, SimpleTestCase does not use the database -> Option C

  4. Quick Check:

    Database reset = TestCase, no DB = SimpleTestCase [OK]
Quick Trick: TestCase resets DB; SimpleTestCase skips DB [OK]
Common Mistakes:
MISTAKES
  • Thinking SimpleTestCase resets the database
  • Mixing up test types for integration vs unit

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