mirror of
https://github.com/catlog22/Claude-Code-Workflow.git
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61e313a0c1
Migrated ccw-skill-hub to D:/ccw-skill-hub as independent git project. Removed nested git repos (ccw/frontend/ccw-skill-hub, skill-hub-repo, skill-hub-temp).
115 lines
4.1 KiB
Python
115 lines
4.1 KiB
Python
"""Database Migration Tests.
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This module tests the database migration system for the codex-lens index,
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ensuring that forward and backward compatibility is maintained across schema versions.
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Test Coverage:
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- Forward migrations: Old schema to new schema
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- Backward compatibility: New code can read old schemas
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- Migration rollback capabilities
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- Data integrity during migrations
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- Edge cases (empty databases, corrupted data, etc.)
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"""
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import pytest
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import sqlite3
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from pathlib import Path
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import tempfile
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import json
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class TestForwardMigrations:
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"""Test upgrading from older schema versions to newer ones."""
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def test_v0_to_v1_migration(self):
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"""Test migration from schema v0 to v1."""
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pytest.skip("Requires migration infrastructure setup")
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def test_v1_to_v2_migration(self):
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"""Test migration from schema v1 to v2."""
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pytest.skip("Requires migration infrastructure setup")
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def test_migration_preserves_data(self):
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"""Test that migration preserves existing data."""
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pytest.skip("Requires migration infrastructure setup")
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def test_migration_adds_new_columns(self):
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"""Test that new columns are added with correct defaults."""
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pytest.skip("Requires migration infrastructure setup")
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class TestBackwardCompatibility:
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"""Test that newer code can read and work with older database schemas."""
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def test_new_code_reads_old_schema(self):
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"""Test that current code can read old schema databases."""
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pytest.skip("Requires old schema fixture")
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def test_new_code_writes_to_old_schema(self):
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"""Test that current code handles writes to old schema gracefully."""
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pytest.skip("Requires old schema fixture")
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def test_old_code_rejects_new_schema(self):
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"""Test that old code fails appropriately on new schemas."""
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pytest.skip("Requires old code fixture")
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class TestMigrationRollback:
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"""Test rollback capabilities for failed migrations."""
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def test_failed_migration_rolls_back(self):
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"""Test that failed migrations are rolled back completely."""
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pytest.skip("Requires migration infrastructure setup")
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def test_partial_migration_recovery(self):
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"""Test recovery from partially completed migrations."""
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pytest.skip("Requires migration infrastructure setup")
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def test_rollback_preserves_original_data(self):
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"""Test that rollback restores original state."""
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pytest.skip("Requires migration infrastructure setup")
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class TestMigrationEdgeCases:
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"""Test migration behavior in edge cases."""
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def test_empty_database_migration(self):
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"""Test migration of an empty database."""
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pytest.skip("Requires migration infrastructure setup")
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def test_large_database_migration(self):
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"""Test migration of a large database."""
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pytest.skip("Requires migration infrastructure setup")
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def test_corrupted_database_handling(self):
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"""Test handling of corrupted databases during migration."""
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pytest.skip("Requires migration infrastructure setup")
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def test_concurrent_migration_protection(self):
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"""Test that concurrent migrations are prevented."""
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pytest.skip("Requires migration infrastructure setup")
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class TestSchemaVersionTracking:
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"""Test schema version tracking and detection."""
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def test_version_table_exists(self):
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"""Test that version tracking table exists and is populated."""
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pytest.skip("Requires migration infrastructure setup")
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def test_version_auto_detection(self):
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"""Test that schema version is auto-detected from database."""
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pytest.skip("Requires migration infrastructure setup")
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def test_version_update_after_migration(self):
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"""Test that version is updated correctly after migration."""
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pytest.skip("Requires migration infrastructure setup")
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# TODO: Implement actual tests using pytest fixtures
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# The test infrastructure needs:
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# - Migration runner fixture that can apply and rollback migrations
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# - Old schema fixtures (pre-built databases with known schemas)
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# - Temporary database fixtures for isolated testing
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# - Mock data generators for various schema versions
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