mirror of
https://github.com/django/django.git
synced 2024-12-29 04:26:28 +00:00
80 lines
2.7 KiB
Python
80 lines
2.7 KiB
Python
from django.test import TestCase
|
|
from django.test.utils import override_settings
|
|
from django.db import connection
|
|
from django.db.migrations.loader import MigrationLoader, AmbiguityError
|
|
from django.db.migrations.recorder import MigrationRecorder
|
|
|
|
|
|
class RecorderTests(TestCase):
|
|
"""
|
|
Tests recording migrations as applied or not.
|
|
"""
|
|
|
|
def test_apply(self):
|
|
"""
|
|
Tests marking migrations as applied/unapplied.
|
|
"""
|
|
recorder = MigrationRecorder(connection)
|
|
self.assertEqual(
|
|
recorder.applied_migrations(),
|
|
set(),
|
|
)
|
|
recorder.record_applied("myapp", "0432_ponies")
|
|
self.assertEqual(
|
|
recorder.applied_migrations(),
|
|
set([("myapp", "0432_ponies")]),
|
|
)
|
|
recorder.record_unapplied("myapp", "0432_ponies")
|
|
self.assertEqual(
|
|
recorder.applied_migrations(),
|
|
set(),
|
|
)
|
|
|
|
|
|
class LoaderTests(TestCase):
|
|
"""
|
|
Tests the disk and database loader, and running through migrations
|
|
in memory.
|
|
"""
|
|
|
|
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
|
|
def test_load(self):
|
|
"""
|
|
Makes sure the loader can load the migrations for the test apps,
|
|
and then render them out to a new AppCache.
|
|
"""
|
|
# Load and test the plan
|
|
migration_loader = MigrationLoader(connection)
|
|
self.assertEqual(
|
|
migration_loader.graph.forwards_plan(("migrations", "0002_second")),
|
|
[("migrations", "0001_initial"), ("migrations", "0002_second")],
|
|
)
|
|
# Now render it out!
|
|
project_state = migration_loader.graph.project_state(("migrations", "0002_second"))
|
|
self.assertEqual(len(project_state.models), 2)
|
|
|
|
author_state = project_state.models["migrations", "author"]
|
|
self.assertEqual(
|
|
[x for x, y in author_state.fields],
|
|
["id", "name", "slug", "age", "rating"]
|
|
)
|
|
|
|
book_state = project_state.models["migrations", "book"]
|
|
self.assertEqual(
|
|
[x for x, y in book_state.fields],
|
|
["id", "author"]
|
|
)
|
|
|
|
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
|
|
def test_name_match(self):
|
|
"Tests prefix name matching"
|
|
migration_loader = MigrationLoader(connection)
|
|
self.assertEqual(
|
|
migration_loader.get_migration_by_prefix("migrations", "0001").name,
|
|
"0001_initial",
|
|
)
|
|
with self.assertRaises(AmbiguityError):
|
|
migration_loader.get_migration_by_prefix("migrations", "0")
|
|
with self.assertRaises(KeyError):
|
|
migration_loader.get_migration_by_prefix("migrations", "blarg")
|