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Fixed #23359 -- Added showmigrations command to list migrations and plan.

Browse source 
Thanks to Collin Anderson, Tim Graham, Gabe Jackson, and Marc Tamlyn
for their input, ideas, and review.
This commit is contained in:
Markus Holtermann 2014-09-03 10:51:07 +02:00 • committed by Tim Graham
parent 8952757698
commit a1487deebf
7 changed files with 314 additions and 57 deletions
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146
tests/migrations/test_commands.py
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@ -9,8 +9,9 @@ from django.apps import apps
from django.db import connection, models
from django.core.management import call_command, CommandError
from django.db.migrations import questioner
from django.test import override_settings
from django.test import ignore_warnings, override_settings
from django.utils import six
from django.utils.deprecation import RemovedInDjango20Warning
from django.utils.encoding import force_text
from .models import UnicodeModel, UnserializableModel
@ -50,6 +51,15 @@ class MigrateTests(MigrationTestBase):
self.assertTableNotExists("migrations_tribble")
self.assertTableNotExists("migrations_book")
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations_conflict"})
def test_migrate_conflict_exit(self):
"""
Makes sure that migrate exits if it detects a conflict.
"""
with self.assertRaisesMessage(CommandError, "Conflicting migrations detected"):
call_command("migrate", "migrations")
@ignore_warnings(category=RemovedInDjango20Warning)
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
def test_migrate_list(self):
"""
@ -72,13 +82,137 @@ class MigrateTests(MigrationTestBase):
# Cleanup by unmigrating everything
call_command("migrate", "migrations", "zero", verbosity=0)
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations_conflict"})
def test_migrate_conflict_exit(self):
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
def test_showmigrations_list(self):
"""
Makes sure that migrate exits if it detects a conflict.
Tests --list output of showmigrations command
"""
with self.assertRaises(CommandError):
call_command("migrate", "migrations")
out = six.StringIO()
call_command("showmigrations", format='list', stdout=out, verbosity=0)
self.assertIn("migrations", out.getvalue().lower())
self.assertIn("[ ] 0001_initial", out.getvalue().lower())
self.assertIn("[ ] 0002_second", out.getvalue().lower())
call_command("migrate", "migrations", "0001", verbosity=0)
out = six.StringIO()
# Giving the explicit app_label tests for selective `show_list` in the command
call_command("showmigrations", "migrations", format='list', stdout=out, verbosity=0)
self.assertIn("migrations", out.getvalue().lower())
self.assertIn("[x] 0001_initial", out.getvalue().lower())
self.assertIn("[ ] 0002_second", out.getvalue().lower())
# Cleanup by unmigrating everything
call_command("migrate", "migrations", "zero", verbosity=0)
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations_run_before"})
def test_showmigrations_plan(self):
"""
Tests --plan output of showmigrations command
"""
out = six.StringIO()
call_command("showmigrations", format='plan', stdout=out)
self.assertIn(
"[ ] migrations.0001_initial\n"
"[ ] migrations.0003_third\n"
"[ ] migrations.0002_second",
out.getvalue().lower()
)
out = six.StringIO()
call_command("showmigrations", format='plan', stdout=out, verbosity=2)
self.assertIn(
"[ ] migrations.0001_initial\n"
"[ ] migrations.0003_third ... (migrations.0001_initial)\n"
"[ ] migrations.0002_second ... (migrations.0001_initial)",
out.getvalue().lower()
)
call_command("migrate", "migrations", "0003", verbosity=0)
out = six.StringIO()
call_command("showmigrations", format='plan', stdout=out)
self.assertIn(
"[x] migrations.0001_initial\n"
"[x] migrations.0003_third\n"
"[ ] migrations.0002_second",
out.getvalue().lower()
)
out = six.StringIO()
call_command("showmigrations", format='plan', stdout=out, verbosity=2)
self.assertIn(
"[x] migrations.0001_initial\n"
"[x] migrations.0003_third ... (migrations.0001_initial)\n"
"[ ] migrations.0002_second ... (migrations.0001_initial)",
out.getvalue().lower()
)
# Cleanup by unmigrating everything
call_command("migrate", "migrations", "zero", verbosity=0)
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations_empty"})
def test_showmigrations_plan_no_migrations(self):
"""
Tests --plan output of showmigrations command without migrations
"""
out = six.StringIO()
call_command("showmigrations", format='plan', stdout=out)
self.assertEqual("", out.getvalue().lower())
out = six.StringIO()
call_command("showmigrations", format='plan', stdout=out, verbosity=2)
self.assertEqual("", out.getvalue().lower())
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations_squashed_complex"})
def test_showmigrations_plan_squashed(self):
"""
Tests --plan output of showmigrations command with squashed migrations.
"""
out = six.StringIO()
call_command("showmigrations", format='plan', stdout=out)
self.assertEqual(
"[ ] migrations.1_auto\n"
"[ ] migrations.2_auto\n"
"[ ] migrations.3_squashed_5\n"
"[ ] migrations.6_auto\n"
"[ ] migrations.7_auto\n",
out.getvalue().lower()
)
out = six.StringIO()
call_command("showmigrations", format='plan', stdout=out, verbosity=2)
self.assertEqual(
"[ ] migrations.1_auto\n"
"[ ] migrations.2_auto ... (migrations.1_auto)\n"
"[ ] migrations.3_squashed_5 ... (migrations.2_auto)\n"
"[ ] migrations.6_auto ... (migrations.3_squashed_5)\n"
"[ ] migrations.7_auto ... (migrations.6_auto)\n",
out.getvalue().lower()
)
call_command("migrate", "migrations", "3_squashed_5", verbosity=0)
out = six.StringIO()
call_command("showmigrations", format='plan', stdout=out)
self.assertEqual(
"[x] migrations.1_auto\n"
"[x] migrations.2_auto\n"
"[x] migrations.3_squashed_5\n"
"[ ] migrations.6_auto\n"
"[ ] migrations.7_auto\n",
out.getvalue().lower()
)
out = six.StringIO()
call_command("showmigrations", format='plan', stdout=out, verbosity=2)
self.assertEqual(
"[x] migrations.1_auto\n"
"[x] migrations.2_auto ... (migrations.1_auto)\n"
"[x] migrations.3_squashed_5 ... (migrations.2_auto)\n"
"[ ] migrations.6_auto ... (migrations.3_squashed_5)\n"
"[ ] migrations.7_auto ... (migrations.6_auto)\n",
out.getvalue().lower()
)
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
def test_sqlmigrate(self):