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django/tests/migrations/test_commands.py

123 lines
4.8 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import os
import shutil
from django.core.management import call_command
from django.db.models.loading import cache
from django.test.utils import override_settings
from django.utils import six
from django.utils._os import upath
from django.utils.encoding import force_text
from .models import UnicodeModel
from .test_base import MigrationTestBase
class MigrateTests(MigrationTestBase):
"""
Tests running the migrate command.
"""
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
def test_migrate(self):
"""
Tests basic usage of the migrate command.
"""
# Make sure no tables are created
self.assertTableNotExists("migrations_author")
self.assertTableNotExists("migrations_tribble")
self.assertTableNotExists("migrations_book")
# Run the migrations to 0001 only
call_command("migrate", "migrations", "0001", verbosity=0)
# Make sure the right tables exist
self.assertTableExists("migrations_author")
self.assertTableExists("migrations_tribble")
self.assertTableNotExists("migrations_book")
# Run migrations all the way
call_command("migrate", verbosity=0)
# Make sure the right tables exist
self.assertTableExists("migrations_author")
self.assertTableNotExists("migrations_tribble")
self.assertTableExists("migrations_book")
# Unmigrate everything
call_command("migrate", "migrations", "zero", verbosity=0)
# Make sure it's all gone
self.assertTableNotExists("migrations_author")
self.assertTableNotExists("migrations_tribble")
self.assertTableNotExists("migrations_book")
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
def test_sqlmigrate(self):
"""
Makes sure that sqlmigrate does something.
"""
# Test forwards. All the databases agree on CREATE TABLE, at least.
stdout = six.StringIO()
call_command("sqlmigrate", "migrations", "0001", stdout=stdout)
self.assertIn("create table", stdout.getvalue().lower())
# And backwards is a DROP TABLE
stdout = six.StringIO()
call_command("sqlmigrate", "migrations", "0001", stdout=stdout, backwards=True)
self.assertIn("drop table", stdout.getvalue().lower())
class MakeMigrationsTests(MigrationTestBase):
"""
Tests running the makemigrations command.
"""
def setUp(self):
self._cwd = os.getcwd()
self.test_dir = os.path.abspath(os.path.dirname(upath(__file__)))
self.migration_dir = os.path.join(self.test_dir, 'migrations')
def tearDown(self):
os.chdir(self.test_dir)
try:
self._rmrf(self.migration_dir)
except OSError:
pass
os.chdir(self._cwd)
def _rmrf(self, dname):
if os.path.commonprefix([self.test_dir, os.path.abspath(dname)]) != self.test_dir:
return
shutil.rmtree(dname)
def test_files_content(self):
self.assertTableNotExists("migrations_unicodemodel")
cache.register_models('migrations', UnicodeModel)
call_command("makemigrations", "migrations", verbosity=0)
init_file = os.path.join(self.migration_dir, "__init__.py")
# Check for existing __init__.py file in migrations folder
self.assertTrue(os.path.exists(init_file))
with open(init_file, 'r') as fp:
content = force_text(fp.read())
self.assertEqual(content, '')
initial_file = os.path.join(self.migration_dir, "0001_initial.py")
# Check for existing 0001_initial.py file in migration folder
self.assertTrue(os.path.exists(initial_file))
with open(initial_file, 'r') as fp:
content = force_text(fp.read())
self.assertTrue('# encoding: utf8' in content)
self.assertTrue('migrations.CreateModel' in content)
if six.PY3:
self.assertTrue('úñí©óðé µóðéø' in content) # Meta.verbose_name
self.assertTrue('úñí©óðé µóðéøß' in content) # Meta.verbose_name_plural
self.assertTrue('ÚÑÍ¢ÓÐÉ' in content) # title.verbose_name
self.assertTrue('“Ðjáñgó”' in content) # title.default
else:
self.assertTrue('\\xfa\\xf1\\xed\\xa9\\xf3\\xf0\\xe9 \\xb5\\xf3\\xf0\\xe9\\xf8' in content) # Meta.verbose_name
self.assertTrue('\\xfa\\xf1\\xed\\xa9\\xf3\\xf0\\xe9 \\xb5\\xf3\\xf0\\xe9\\xf8\\xdf' in content) # Meta.verbose_name_plural
self.assertTrue('\\xda\\xd1\\xcd\\xa2\\xd3\\xd0\\xc9' in content) # title.verbose_name
self.assertTrue('\\u201c\\xd0j\\xe1\\xf1g\\xf3\\u201d' in content) # title.default