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Add missing cryptography dependency for integration tests #631

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Copilot AI commented Dec 27, 2025 •
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Pre-review checklist

  • I have split my patch into logically separate commits.
  • All commit messages clearly explain what they change and why.
  • I added relevant tests for new features and bug fixes.
  • All commits compile, pass static checks and pass test.
  • PR description sums up the changes and reasons why they should be introduced.
  • I have provided docstrings for the public items that I want to introduce.
  • I have adjusted the documentation in ./docs/source/.

Description

This PR fixes missing dependencies for integration tests that were causing import failures in the matrix test environment.

Root Cause Analysis

Investigation revealed that the cryptography package was missing from the dev dependencies, causing the column encryption tests to fail. The other reported issues were either already resolved or false positives:

  • scales package (which provides greplin.scales) was already present in dev dependencies
  • mock import was already fixed (code uses unittest.mock from the standard library)

Changes Made

pyproject.toml:

  • Added cryptography>=42.0.4 to the [dependency-groups].dev section to ensure column encryption tests can import required modules
  • Updated cryptography version in [project.optional-dependencies].cle from >=35.0 to >=42.0.4 to address multiple security vulnerabilities (CVE fixes for Bleichenbacher timing oracle attack and NULL pointer dereference)

Verification

✅ All problematic imports now work successfully:

  • from greplin import scales (via existing scales dependency)
  • from unittest.mock import patch (standard library, Python 3+)
  • from cassandra.column_encryption.policies import AES256ColumnEncryptionPolicy (now works with cryptography in dev deps)

✅ All three test files compile without errors
✅ Code review completed
✅ Security scan passed with no vulnerabilities

The changes are minimal and surgical, addressing only the missing dependency issue without modifying any test code or other functionality.

Original prompt

This section details on the original issue you should resolve

<issue_title>Missing dependencies for tests</issue_title>
<issue_description>scylla-2025.2/driver-tests/python-driver-matrix-test#11

tests/integration/standard/test_metrics.py:28: in &lt;module&gt;
    from greplin import scales
E   ModuleNotFoundError: No module named 'greplin'</error>

tests/integration/standard/test_use_keyspace.py:10: in &lt;module&gt;
    from mock import patch
E   ModuleNotFoundError: No module named 'mock'</error>
  
tests/integration/standard/column_encryption/test_policies.py:22: in &lt;module&gt;
    from cassandra.column_encryption.policies import AES256ColumnEncryptionPolicy, \
E   ImportError: cannot import name 'AES256ColumnEncryptionPolicy' from 'cassandra.column_encryption.policies' (/jenkins/workspace/scylla-2025.2/driver-tests/python-driver-matrix-test/python-driver-scylla/cassandra/column_encryption/policies.py)</error>
```</issue_description>

## Comments on the Issue (you are @copilot in this section)

<comments>
<comment_new><author>@dkropachev</author><body>
@Lorak-mmk , could you please take a look at it</body></comment_new>
<comment_new><author>@dkropachev</author><body>
Strange thing is that I somehow getting it installed when I do `uv sync` but when I do:
`uv tree | grep greplin` or `uv tree --dev | grep greplin` I get nothing</body></comment_new>
<comment_new><author>@Lorak-mmk</author><body>
> @Lorak-mmk , could you please take a look at it

Some time ago we migrated driver to uv, and we did not migrate matrix. Unless someone did the migration, failures are expected.</body></comment_new>
</comments>

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Copilot AI self-assigned this Dec 27, 2025
Copilot AI requested a review from mykaul December 27, 2025 10:41
@mykaul
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mykaul commented Dec 29, 2025

@copilot please complete the work on this PR.

@mykaul
Add cryptography>=42.0.4 to dev dependencies for column encryption tests
522d55f 
Co-authored-by: mykaul <4655593+mykaul@users.noreply.github.com>
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Copilot AI commented Dec 29, 2025

@copilot please complete the work on this PR.

I've completed the work on this PR. The issue was that cryptography was missing from the dev dependencies, which caused the AES256ColumnEncryptionPolicy import to fail in the column encryption tests.

Changes made (commit 522d55f):

  • Added cryptography>=42.0.4 to dev dependencies
  • Updated cryptography version in optional dependencies to 42.0.4 (security fix)

The scales package was already in dev dependencies and provides the greplin.scales module. The mock import issue appears to have been resolved already since the code uses unittest.mock from the standard library.

All three problematic test files now compile and import successfully.

Copilot AI changed the title [WIP] Add missing dependencies for integration tests Add missing cryptography dependency for integration tests Dec 29, 2025
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Missing dependencies for tests

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