If pytest.ini does NOT register a marker named database, what will pytest do when it encounters @pytest.mark.database in a test?

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PyTest - Markers

If pytest.ini does NOT register a marker named database, what will pytest do when it encounters @pytest.mark.database in a test?

ARaise a syntax error and stop testing

BShow a warning about unknown marker but still run the test

CIgnore the test silently

DAutomatically register the marker and run the test

Step-by-Step Solution

Solution:

Step 1: Understand pytest behavior for unregistered markers
Pytest warns about unknown markers but does not stop test execution.
Step 2: Confirm pytest does not auto-register markers
Markers must be registered manually; pytest won't auto-register them.
Final Answer:
Show a warning about unknown marker but still run the test -> Option B
Quick Check:
Unregistered marker = warning, test runs [OK]

Quick Trick: Unregistered markers cause warnings but tests still run [OK]

Common Mistakes:

MISTAKES

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