mirror of https://github.com/django/django.git
65 lines
2.0 KiB
Python
65 lines
2.0 KiB
Python
from django.test import TestCase, TransactionTestCase
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from django.db import connection
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from django.db.migrations.loader import MigrationLoader
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from django.db.migrations.recorder import MigrationRecorder
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class RecorderTests(TestCase):
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"""
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Tests recording migrations as applied or not.
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"""
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def test_apply(self):
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"""
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Tests marking migrations as applied/unapplied.
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"""
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recorder = MigrationRecorder(connection)
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self.assertEqual(
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recorder.applied_migrations(),
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set(),
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)
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recorder.record_applied("myapp", "0432_ponies")
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self.assertEqual(
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recorder.applied_migrations(),
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set([("myapp", "0432_ponies")]),
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)
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recorder.record_unapplied("myapp", "0432_ponies")
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self.assertEqual(
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recorder.applied_migrations(),
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set(),
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)
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class LoaderTests(TransactionTestCase):
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"""
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Tests the disk and database loader, and running through migrations
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in memory.
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"""
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def test_load(self):
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"""
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Makes sure the loader can load the migrations for the test apps,
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and then render them out to a new AppCache.
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"""
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# Load and test the plan
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migration_loader = MigrationLoader(connection)
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self.assertEqual(
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migration_loader.graph.forwards_plan(("migrations", "0002_second")),
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[("migrations", "0001_initial"), ("migrations", "0002_second")],
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)
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# Now render it out!
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project_state = migration_loader.graph.project_state(("migrations", "0002_second"))
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self.assertEqual(len(project_state.models), 2)
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author_state = project_state.models["migrations", "author"]
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self.assertEqual(
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[x for x, y in author_state.fields],
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["id", "name", "slug", "age", "rating"]
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)
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book_state = project_state.models["migrations", "book"]
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self.assertEqual(
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[x for x, y in book_state.fields],
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["id", "author"]
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)
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