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Comment on lines +29 to +30
if random.random() < 0.2:
assert True == False

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Potential bug: The test test_divide will fail non-deterministically approximately 20% of the time due to a random assertion failure, causing CI/CD pipelines to fail unpredictably.
  • Description: The test_divide function includes a conditional statement if random.random() &lt; 0.2: assert True == False. This introduces a non-deterministic failure, causing the test to fail approximately 20% of the time it is run. Since the CI/CD pipeline executes tests on every push and pull request, this will lead to random pipeline failures. These failures will block pull requests and deployments unpredictably, requiring developers to re-run jobs or investigate spurious failures, which erodes confidence in the test suite.

  • Suggested fix: Remove the conditional block that causes the random assertion failure: if random.random() &lt; 0.2: assert True == False. Tests should be deterministic to ensure reliable and repeatable results.
    severity: 0.75, confidence: 1.0

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codecov bot commented Sep 13, 2025

❌ 2 Tests Failed:

Tests completed Failed Passed Skipped
5 2 3 0
View the top 2 failed test(s) by shortest run time
app/test_calculator.py::test_divide
Stack Traces | 0.001s run time
def test_divide():
        if random.random() < 0.2:
>           assert True == False
E           assert True == False

app/test_calculator.py:33: AssertionError
app/test_calculator.py::test_fail
Stack Traces | 0.002s run time
def test_fail():
>       assert True == False
E       assert True == False

app/test_calculator.py:7: AssertionError

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