test(chrome): add Windows v10 cookie encryption fixtures

[mherod]

Summary

Add comprehensive Windows-specific test fixtures for Chrome cookie encryption testing.

Changes

• New Windows v10 encryption fixtures (windowsFixtures.ts)

  • AES-256-GCM encryption/decryption utilities
  • Test keys and constants for deterministic testing
  • Pre-computed test cookies (session, auth, unicode, empty, long values)
  • Error case fixtures for testing invalid scenarios
  • Batch cookie generation utility
  • Format validation utilities

• Local State file fixtures (localStateFixtures.ts)

  • Mock DPAPI key generation
  • Windows Chrome directory structure creation
  • Invalid Local State test cases

• Enhanced createTestDatabase.ts

  • Support for v10 (Windows) and v11 (macOS/Linux) encryption formats
  • createWindowsChromeCookieDatabase() convenience function
  • Deterministic mode for reproducible tests
  • Automatic Local State file generation

• Updated CI workflow (.github/workflows/ci-consolidated.yml)

  • Added retry logic with nick-invision/retry@v2
  • Better Chromium installation verification
  • Improved headless Chrome cookie generation
  • Validation steps for Windows test environment

Tests

• 52 new tests covering all fixture utilities
• All tests passing

[claude]

PR Review: Windows v10 Cookie Encryption Fixtures

Overview

This PR adds comprehensive Windows-specific test fixtures for Chrome cookie encryption testing with v10 (AES-256-GCM) format. The implementation is well-structured and follows good testing practices. Overall, this is a solid addition that will improve cross-platform testing capabilities.

Findings

🔵 Suggestions

• CI Workflow: Programmatic fixture generation (line 333-349): The step attempts to load createTestDatabases from the exported package, but it is marked as continue-on-error with a note that utilities are not exported yet. Consider either exporting these utilities for use in CI, removing this step until ready, or making it clear this is a placeholder for future work.

• Fixture Design: Mock DPAPI documentation: The mock DPAPI implementation is appropriate for testing, but consider adding a note that these fixtures work cross-platform, cannot be used to test actual DPAPI decryption logic, and are intended for testing the v10 encryption format itself.

• Type safety: Optional undefined types (localStateFixtures.ts line 105, 361): Several return types explicitly include undefined. The question mark already makes it optional, so the undefined union is redundant.

💭 Questions

• Test Coverage: Are there integration tests that use these fixtures with the actual Chrome cookie extraction code to verify the v10 decryption works end-to-end?

• CI Windows Tests: Will the actual test suite now run Windows-specific tests using these fixtures, or are these fixtures primarily for local development?

👍 What's Good

• Excellent documentation with comprehensive JSDoc comments
• Deterministic testing support for reproducible tests
• Comprehensive error case coverage
• Strong TypeScript types throughout
• Good separation of concerns across fixture files
• CI improvements with retry logic and better verification
• Helpful format validation utilities

Summary

This is a well-implemented PR that significantly improves the testing infrastructure for Windows Chrome cookie encryption. The fixtures are thorough, well-documented, and follow good testing patterns.

Recommendation: Approve with minor suggestions. None are blocking issues. The main item to consider is clarifying the intent of the programmatic test fixtures CI step.

[claude]

LGTM! This is a well-implemented PR with comprehensive Windows v10 encryption fixtures. The code is well-documented, type-safe, and follows good testing patterns. I've left some minor suggestions in a separate comment, but none are blocking. Great work on the thorough test coverage and CI improvements.