Add tests preventing .data access before .is_valid() in relation serializers#9845
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auvipy merged 2 commits intoencode:mainfrom Dec 9, 2025
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- Add test_data_cannot_be_accessed_prior_to_is_valid to HyperlinkedManyToManyTests - Add test_data_cannot_be_accessed_prior_to_is_valid to PKManyToManyTests - Remove TODO comments that were addressed - Ensures AssertionError is raised when accessing .data before validation Fixes TODO items in: - tests/test_relations_hyperlink.py (line 71) - tests/test_relations_pk.py (line 97)
auvipy
approved these changes
Dec 9, 2025
browniebroke
approved these changes
Dec 9, 2025
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Thank you for the reviews and approval. The PR is ready to merge, and I'm available for any further adjustments if needed. |
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Summary
This pull request adds tests to verify that attempting to access
serializer.databefore callingserializer.is_valid()correctly raises anAssertionErrorfor serializers involving relational fields.These tests address the missing coverage noted by TODO comments in:
tests/test_relations_hyperlink.pytests/test_relations_pk.pyChanges
test_data_cannot_be_accessed_prior_to_is_valid()to:HyperlinkedManyToManyTestsPKManyToManyTestsAPIRequestFactorywhere required to construct request instances.Rationale
Accessing
.dataprior to validation is inconsistent with DRF’s serializer lifecycle expectations. These tests ensure consistent behavior across relational serializers and protect against regressions.Testing
1612 passed, 4 skipped).This PR introduces no functional changes—only test coverage improvements.