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48 lines
1.3 KiB
Python
48 lines
1.3 KiB
Python
import pathlib
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from pydantic import BaseModel
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from tests.utils.alembic_reader import ALEMBIC_MIGRATIONS, import_file
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class AlembicMigration(BaseModel):
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path: pathlib.Path
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revision: str | None = None
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down_revision: str | None = None
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def test_alembic_revisions_are_in_order() -> None:
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# read all files
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paths = sorted(ALEMBIC_MIGRATIONS.glob("*.py"))
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# convert to sorted list of AlembicMigration
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migrations: list[AlembicMigration] = []
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for path in paths:
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mod = import_file("alembic_version", path)
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revision = getattr(mod, "revision", None)
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down_revision = getattr(mod, "down_revision", None)
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migrations.append(
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AlembicMigration(
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path=path,
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revision=revision,
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down_revision=down_revision,
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)
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)
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# step through each migration and check
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# - revision is in order
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# - down_revision is in order
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# - down_revision is the previous revision
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last = None
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for migration in migrations:
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if last is not None:
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assert (
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last.revision == migration.down_revision
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), f"{last.revision} != {migration.down_revision} for {migration.path}"
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last = migration
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last = migration
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