mirror of
https://github.com/invoke-ai/InvokeAI
synced 2024-08-30 20:32:17 +00:00
276 lines
11 KiB
Python
276 lines
11 KiB
Python
import sqlite3
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import threading
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from logging import Logger
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from pathlib import Path
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from tempfile import TemporaryDirectory
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import pytest
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from pydantic import ValidationError
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from invokeai.app.services.shared.sqlite.sqlite_common import sqlite_memory
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from invokeai.app.services.shared.sqlite.sqlite_migrator import (
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MigrateCallback,
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Migration,
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MigrationError,
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MigrationSet,
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MigrationVersionError,
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SQLiteMigrator,
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)
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@pytest.fixture
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def logger() -> Logger:
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return Logger("test_sqlite_migrator")
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@pytest.fixture
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def lock() -> threading.RLock:
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return threading.RLock()
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@pytest.fixture
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def migrator(logger: Logger, lock: threading.RLock) -> SQLiteMigrator:
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conn = sqlite3.connect(sqlite_memory, check_same_thread=False)
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return SQLiteMigrator(conn=conn, db_path=None, lock=lock, logger=logger)
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@pytest.fixture
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def migration_no_op() -> Migration:
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return Migration(from_version=0, to_version=1, migrate=lambda cursor: None)
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@pytest.fixture
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def migration_create_test_table() -> Migration:
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def migrate(cursor: sqlite3.Cursor) -> None:
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cursor.execute("CREATE TABLE test (id INTEGER PRIMARY KEY);")
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return Migration(from_version=0, to_version=1, migrate=migrate)
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@pytest.fixture
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def failing_migration() -> Migration:
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def failing_migration(cursor: sqlite3.Cursor) -> None:
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raise Exception("Bad migration")
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return Migration(from_version=0, to_version=1, migrate=failing_migration)
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@pytest.fixture
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def no_op_migrate_callback() -> MigrateCallback:
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def no_op_migrate(cursor: sqlite3.Cursor) -> None:
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pass
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return no_op_migrate
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@pytest.fixture
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def failing_migrate_callback() -> MigrateCallback:
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def failing_migrate(cursor: sqlite3.Cursor) -> None:
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raise Exception("Bad migration")
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return failing_migrate
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def create_migrate(i: int) -> MigrateCallback:
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def migrate(cursor: sqlite3.Cursor) -> None:
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cursor.execute(f"CREATE TABLE test{i} (id INTEGER PRIMARY KEY);")
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return migrate
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def test_migration_to_version_gt_from_version(no_op_migrate_callback: MigrateCallback):
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with pytest.raises(ValidationError, match="greater_than_equal"):
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Migration(from_version=1, to_version=0, migrate=no_op_migrate_callback)
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def test_migration_hash(no_op_migrate_callback: MigrateCallback):
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migration = Migration(from_version=0, to_version=1, migrate=no_op_migrate_callback)
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assert hash(migration) == hash((0, 1))
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def test_migration_registers_pre_and_post_callbacks(no_op_migrate_callback: MigrateCallback):
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def pre_callback(cursor: sqlite3.Cursor) -> None:
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pass
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def post_callback(cursor: sqlite3.Cursor) -> None:
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pass
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migration = Migration(from_version=0, to_version=1, migrate=no_op_migrate_callback)
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migration.register_pre_callback(pre_callback)
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migration.register_post_callback(post_callback)
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assert pre_callback in migration.pre_migrate
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assert post_callback in migration.post_migrate
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def test_migration_set_add_migration(migrator: SQLiteMigrator, migration_no_op: Migration):
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migration = migration_no_op
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migrator._migration_set.register(migration)
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assert migration in migrator._migration_set._migrations
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def test_migration_set_may_not_register_dupes(migrator: SQLiteMigrator, no_op_migrate_callback: MigrateCallback):
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migrate_1_to_2 = Migration(from_version=1, to_version=2, migrate=no_op_migrate_callback)
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migrate_0_to_2 = Migration(from_version=0, to_version=2, migrate=no_op_migrate_callback)
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migrate_1_to_3 = Migration(from_version=1, to_version=3, migrate=no_op_migrate_callback)
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migrator._migration_set.register(migrate_1_to_2)
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with pytest.raises(MigrationVersionError, match=r"Migration to 2 already registered"):
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migrator._migration_set.register(migrate_0_to_2)
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with pytest.raises(MigrationVersionError, match=r"Migration from 1 already registered"):
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migrator._migration_set.register(migrate_1_to_3)
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def test_migration_set_gets_migration(migration_no_op: Migration):
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migration_set = MigrationSet()
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migration_set.register(migration_no_op)
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assert migration_set.get(0) == migration_no_op
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assert migration_set.get(1) is None
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def test_migration_set_validates_migration_path(no_op_migrate_callback: MigrateCallback):
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migration_set = MigrationSet()
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migration_set.validate_migration_chain()
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migration_set.register(Migration(from_version=0, to_version=1, migrate=no_op_migrate_callback))
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migration_set.validate_migration_chain()
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migration_set.register(Migration(from_version=1, to_version=2, migrate=no_op_migrate_callback))
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migration_set.register(Migration(from_version=2, to_version=3, migrate=no_op_migrate_callback))
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migration_set.validate_migration_chain()
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migration_set.register(Migration(from_version=4, to_version=5, migrate=no_op_migrate_callback))
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with pytest.raises(MigrationError, match="Migration chain is fragmented"):
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migration_set.validate_migration_chain()
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def test_migration_set_counts_migrations(no_op_migrate_callback: MigrateCallback):
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migration_set = MigrationSet()
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assert migration_set.count == 0
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migration_set.register(Migration(from_version=0, to_version=1, migrate=no_op_migrate_callback))
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assert migration_set.count == 1
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migration_set.register(Migration(from_version=1, to_version=2, migrate=no_op_migrate_callback))
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assert migration_set.count == 2
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def test_migration_set_gets_latest_version(no_op_migrate_callback: MigrateCallback):
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migration_set = MigrationSet()
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assert migration_set.latest_version == 0
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migration_set.register(Migration(from_version=1, to_version=2, migrate=no_op_migrate_callback))
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assert migration_set.latest_version == 2
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migration_set.register(Migration(from_version=0, to_version=1, migrate=no_op_migrate_callback))
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assert migration_set.latest_version == 2
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def test_migrator_registers_migration(migrator: SQLiteMigrator, migration_no_op: Migration):
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migration = migration_no_op
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migrator.register_migration(migration)
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assert migration in migrator._migration_set._migrations
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def test_migrator_creates_migrations_table(migrator: SQLiteMigrator):
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migrator._create_migrations_table(migrator._cursor)
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migrator._cursor.execute("SELECT * FROM sqlite_master WHERE type='table' AND name='migrations';")
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assert migrator._cursor.fetchone() is not None
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def test_migrator_migration_sets_version(migrator: SQLiteMigrator, migration_no_op: Migration):
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migrator._create_migrations_table(migrator._cursor)
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migrator.register_migration(migration_no_op)
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migrator.run_migrations()
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migrator._cursor.execute("SELECT MAX(version) FROM migrations;")
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assert migrator._cursor.fetchone()[0] == 1
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def test_migrator_gets_current_version(migrator: SQLiteMigrator, migration_no_op: Migration):
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assert migrator._get_current_version(migrator._cursor) == 0
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migrator._create_migrations_table(migrator._cursor)
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assert migrator._get_current_version(migrator._cursor) == 0
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migrator.register_migration(migration_no_op)
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migrator.run_migrations()
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assert migrator._get_current_version(migrator._cursor) == 1
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def test_migrator_runs_single_migration(migrator: SQLiteMigrator, migration_create_test_table: Migration):
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migrator._create_migrations_table(migrator._cursor)
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migrator._run_migration(migration_create_test_table, migrator._cursor)
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assert migrator._get_current_version(migrator._cursor) == 1
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migrator._cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='test';")
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assert migrator._cursor.fetchone() is not None
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def test_migrator_runs_all_migrations_in_memory(
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migrator: SQLiteMigrator,
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):
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migrations = [Migration(from_version=i, to_version=i + 1, migrate=create_migrate(i)) for i in range(0, 3)]
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for migration in migrations:
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migrator.register_migration(migration)
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migrator.run_migrations()
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assert migrator._get_current_version(migrator._cursor) == 3
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def test_migrator_runs_all_migrations_file(logger: Logger, lock: threading.RLock):
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with TemporaryDirectory() as tempdir:
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original_db_path = Path(tempdir) / "invokeai.db"
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# The Migrator closes the database when it finishes; we cannot use a context manager.
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original_db_conn = sqlite3.connect(original_db_path)
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migrator = SQLiteMigrator(conn=original_db_conn, db_path=original_db_path, lock=lock, logger=logger)
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migrations = [Migration(from_version=i, to_version=i + 1, migrate=create_migrate(i)) for i in range(0, 3)]
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for migration in migrations:
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migrator.register_migration(migration)
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migrator.run_migrations()
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with sqlite3.connect(original_db_path) as original_db_conn:
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original_db_cursor = original_db_conn.cursor()
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assert SQLiteMigrator._get_current_version(original_db_cursor) == 3
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def test_migrator_creates_temp_db():
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with TemporaryDirectory() as tempdir:
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original_db_path = Path(tempdir) / "invokeai.db"
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with sqlite3.connect(original_db_path):
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# create the db file so _create_temp_db has something to copy
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pass
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temp_db_path = SQLiteMigrator._create_temp_db(original_db_path)
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assert temp_db_path.is_file()
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assert temp_db_path == SQLiteMigrator._get_temp_db_path(original_db_path)
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def test_migrator_finalizes():
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with TemporaryDirectory() as tempdir:
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original_db_path = Path(tempdir) / "invokeai.db"
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temp_db_path = SQLiteMigrator._get_temp_db_path(original_db_path)
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backup_db_path = SQLiteMigrator._get_backup_db_path(original_db_path)
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with sqlite3.connect(original_db_path) as original_db_conn, sqlite3.connect(temp_db_path) as temp_db_conn:
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original_db_cursor = original_db_conn.cursor()
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original_db_cursor.execute("CREATE TABLE original_db_test (id INTEGER PRIMARY KEY);")
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original_db_conn.commit()
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temp_db_cursor = temp_db_conn.cursor()
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temp_db_cursor.execute("CREATE TABLE temp_db_test (id INTEGER PRIMARY KEY);")
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temp_db_conn.commit()
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SQLiteMigrator._finalize_migration(
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original_db_path=original_db_path,
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temp_db_path=temp_db_path,
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)
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with sqlite3.connect(backup_db_path) as backup_db_conn, sqlite3.connect(temp_db_path) as temp_db_conn:
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backup_db_cursor = backup_db_conn.cursor()
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backup_db_cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='original_db_test';")
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assert backup_db_cursor.fetchone() is not None
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temp_db_cursor = temp_db_conn.cursor()
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temp_db_cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='temp_db_test';")
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assert temp_db_cursor.fetchone() is None
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def test_migrator_makes_no_changes_on_failed_migration(
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migrator: SQLiteMigrator, migration_no_op: Migration, failing_migrate_callback: MigrateCallback
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):
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migrator.register_migration(migration_no_op)
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migrator.run_migrations()
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assert migrator._get_current_version(migrator._cursor) == 1
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migrator.register_migration(Migration(from_version=1, to_version=2, migrate=failing_migrate_callback))
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with pytest.raises(MigrationError, match="Bad migration"):
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migrator.run_migrations()
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assert migrator._get_current_version(migrator._cursor) == 1
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def test_idempotent_migrations(migrator: SQLiteMigrator, migration_create_test_table: Migration):
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migrator.register_migration(migration_create_test_table)
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migrator.run_migrations()
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# not throwing is sufficient
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migrator.run_migrations()
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assert migrator._get_current_version(migrator._cursor) == 1
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