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In pytest, what is the primary role of the assert statement within a test function?

easy🧠 Conceptual Q1 of 15
PyTest - Writing Assertions
In pytest, what is the primary role of the assert statement within a test function?
ATo print debugging information during test execution
BTo verify that a condition is true and fail the test if it is false
CTo skip the test when a condition is met
DTo define a test case in pytest
Step-by-Step Solution
Solution:

  1. Step 1: Understand assert usage

    The assert statement checks if a condition is true.

  2. Step 2: Effect of assertion failure

    If the condition is false, pytest marks the test as failed.

  3. Final Answer:

    To verify that a condition is true and fail the test if it is false -> Option B

  4. Quick Check:

    Assert checks conditions [OK]
Quick Trick: Assert checks conditions and fails test if false [OK]
Common Mistakes:
MISTAKES
  • Thinking assert prints output
  • Confusing assert with test skipping
  • Assuming assert defines tests

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