Taylor Eernisse f53645790a test: Add comprehensive test suite with fixtures ...

Establishes testing infrastructure for reliable development.

tests/fixtures/ - GitLab API response samples:
- gitlab_issue.json: Single issue with full metadata
- gitlab_issues_page.json: Paginated issue list response
- gitlab_discussion.json: Discussion thread with notes
- gitlab_discussions_page.json: Paginated discussions response
All fixtures captured from real GitLab API responses with
sensitive data redacted, ensuring tests match actual behavior.

tests/gitlab_types_tests.rs - Type deserialization tests:
- Validates serde parsing of all GitLab API types
- Tests edge cases: null fields, empty arrays, nested objects
- Ensures GitLabIssue, GitLabDiscussion, GitLabNote parse correctly
- Verifies optional fields handle missing data gracefully
- Tests author/assignee extraction from various formats

tests/fixture_tests.rs - Integration with fixtures:
- Loads fixture files and validates parsing
- Tests transformer functions produce correct database rows
- Verifies IssueWithMetadata extracts labels and assignees
- Tests NormalizedDiscussion/NormalizedNote structure
- Validates raw payload preservation logic

tests/migration_tests.rs - Database schema tests:
- Creates in-memory SQLite for isolation
- Runs all migrations and verifies schema
- Tests table creation with expected columns
- Validates foreign key constraints
- Tests index creation for query performance
- Verifies idempotent migration behavior

Test infrastructure uses:
- tempfile for isolated database instances
- wiremock for HTTP mocking (available for future API tests)
- Standard Rust #[test] attributes

Run with: cargo test
Run single: cargo test test_name
Run with output: cargo test -- --nocapture

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

2026-01-26 11:29:06 -05:00

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