Microservices - Testing Microservices
Which of the following is the correct way to mock a database call in a unit test for a microservice?
Which of the following is the correct way to mock a database call in a unit test for a microservice?
easy📝 Conceptual Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Understand mocking purpose
Mocks replace real dependencies to isolate the unit under test and control test data.Step 2: Identify correct mocking practice
Replacing the database call with a mock object returning fixed data allows testing without real DB access.Final Answer:
Replace the database call with a mock object returning fixed data -> Option AQuick Check:
Mocking = replace real calls with controlled fake ones [OK]
Quick Trick: Mocks replace real calls with fake data in tests [OK]
Common Mistakes:
- Using real database in unit tests
- Skipping important calls without replacement
- Using production credentials in tests
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