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88d7fcebde
Currently some of the migrations tests rely on the fact 'input' is aliased because of six, instead of using mock.patch. Replace this code with proper use of mock.patch. Also, replace one case of excessively specific python version check with testing six.PY3
903 lines
41 KiB
Python
903 lines
41 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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import codecs
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import importlib
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import os
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from django.apps import apps
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from django.core.management import CommandError, call_command
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from django.db import DatabaseError, connection, models
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from django.test import ignore_warnings, mock, override_settings
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from django.utils import six
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from django.utils.deprecation import RemovedInDjango20Warning
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from django.utils.encoding import force_text
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from .models import UnicodeModel, UnserializableModel
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from .test_base import MigrationTestBase
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class MigrateTests(MigrationTestBase):
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"""
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Tests running the migrate command.
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"""
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@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
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def test_migrate(self):
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"""
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Tests basic usage of the migrate command.
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"""
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# Make sure no tables are created
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self.assertTableNotExists("migrations_author")
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self.assertTableNotExists("migrations_tribble")
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self.assertTableNotExists("migrations_book")
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# Run the migrations to 0001 only
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call_command("migrate", "migrations", "0001", verbosity=0)
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# Make sure the right tables exist
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self.assertTableExists("migrations_author")
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self.assertTableExists("migrations_tribble")
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self.assertTableNotExists("migrations_book")
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# Run migrations all the way
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call_command("migrate", verbosity=0)
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# Make sure the right tables exist
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self.assertTableExists("migrations_author")
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self.assertTableNotExists("migrations_tribble")
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self.assertTableExists("migrations_book")
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# Unmigrate everything
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call_command("migrate", "migrations", "zero", verbosity=0)
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# Make sure it's all gone
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self.assertTableNotExists("migrations_author")
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self.assertTableNotExists("migrations_tribble")
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self.assertTableNotExists("migrations_book")
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@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
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def test_migrate_fake_initial(self):
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"""
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#24184 - Tests that --fake-initial only works if all tables created in
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the initial migration of an app exists
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"""
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# Make sure no tables are created
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self.assertTableNotExists("migrations_author")
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self.assertTableNotExists("migrations_tribble")
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# Run the migrations to 0001 only
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call_command("migrate", "migrations", "0001", verbosity=0)
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# Make sure the right tables exist
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self.assertTableExists("migrations_author")
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self.assertTableExists("migrations_tribble")
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# Fake a roll-back
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call_command("migrate", "migrations", "zero", fake=True, verbosity=0)
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# Make sure the tables still exist
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self.assertTableExists("migrations_author")
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self.assertTableExists("migrations_tribble")
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# Try to run initial migration
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with self.assertRaises(DatabaseError):
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call_command("migrate", "migrations", "0001", verbosity=0)
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# Run initial migration with an explicit --fake-initial
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out = six.StringIO()
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with mock.patch('django.core.management.color.supports_color', lambda *args: False):
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call_command("migrate", "migrations", "0001", fake_initial=True, stdout=out, verbosity=1)
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self.assertIn(
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"migrations.0001_initial... faked",
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out.getvalue().lower()
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)
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# Run migrations all the way
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call_command("migrate", verbosity=0)
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# Make sure the right tables exist
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self.assertTableExists("migrations_author")
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self.assertTableNotExists("migrations_tribble")
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self.assertTableExists("migrations_book")
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# Fake a roll-back
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call_command("migrate", "migrations", "zero", fake=True, verbosity=0)
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# Make sure the tables still exist
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self.assertTableExists("migrations_author")
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self.assertTableNotExists("migrations_tribble")
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self.assertTableExists("migrations_book")
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# Try to run initial migration
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with self.assertRaises(DatabaseError):
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call_command("migrate", "migrations", verbosity=0)
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# Run initial migration with an explicit --fake-initial
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with self.assertRaises(DatabaseError):
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# Fails because "migrations_tribble" does not exist but needs to in
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# order to make --fake-initial work.
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call_command("migrate", "migrations", fake_initial=True, verbosity=0)
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# Fake a apply
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call_command("migrate", "migrations", fake=True, verbosity=0)
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# Unmigrate everything
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call_command("migrate", "migrations", "zero", verbosity=0)
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# Make sure it's all gone
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self.assertTableNotExists("migrations_author")
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self.assertTableNotExists("migrations_tribble")
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self.assertTableNotExists("migrations_book")
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@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations_conflict"})
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def test_migrate_conflict_exit(self):
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"""
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Makes sure that migrate exits if it detects a conflict.
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"""
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with self.assertRaisesMessage(CommandError, "Conflicting migrations detected"):
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call_command("migrate", "migrations")
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@ignore_warnings(category=RemovedInDjango20Warning)
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@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
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def test_migrate_list(self):
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"""
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Tests --list output of migrate command
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"""
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out = six.StringIO()
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with mock.patch('django.core.management.color.supports_color', lambda *args: True):
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call_command("migrate", list=True, stdout=out, verbosity=0, no_color=False)
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self.assertEqual(
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'\x1b[1mmigrations\n\x1b[0m'
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' [ ] 0001_initial\n'
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' [ ] 0002_second\n',
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out.getvalue().lower()
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)
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call_command("migrate", "migrations", "0001", verbosity=0)
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out = six.StringIO()
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# Giving the explicit app_label tests for selective `show_migration_list` in the command
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call_command("migrate", "migrations", list=True, stdout=out, verbosity=0, no_color=True)
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self.assertEqual(
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'migrations\n'
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' [x] 0001_initial\n'
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' [ ] 0002_second\n',
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out.getvalue().lower()
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)
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# Cleanup by unmigrating everything
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call_command("migrate", "migrations", "zero", verbosity=0)
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@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
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def test_showmigrations_list(self):
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"""
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Tests --list output of showmigrations command
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"""
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out = six.StringIO()
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with mock.patch('django.core.management.color.supports_color', lambda *args: True):
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call_command("showmigrations", format='list', stdout=out, verbosity=0, no_color=False)
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self.assertEqual(
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'\x1b[1mmigrations\n\x1b[0m'
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' [ ] 0001_initial\n'
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' [ ] 0002_second\n',
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out.getvalue().lower()
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)
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call_command("migrate", "migrations", "0001", verbosity=0)
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out = six.StringIO()
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# Giving the explicit app_label tests for selective `show_list` in the command
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call_command("showmigrations", "migrations", format='list', stdout=out, verbosity=0, no_color=True)
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self.assertEqual(
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'migrations\n'
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' [x] 0001_initial\n'
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' [ ] 0002_second\n',
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out.getvalue().lower()
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)
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# Cleanup by unmigrating everything
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call_command("migrate", "migrations", "zero", verbosity=0)
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@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations_run_before"})
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def test_showmigrations_plan(self):
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"""
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Tests --plan output of showmigrations command
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"""
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out = six.StringIO()
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call_command("showmigrations", format='plan', stdout=out)
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self.assertIn(
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"[ ] migrations.0001_initial\n"
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"[ ] migrations.0003_third\n"
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"[ ] migrations.0002_second",
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out.getvalue().lower()
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)
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out = six.StringIO()
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call_command("showmigrations", format='plan', stdout=out, verbosity=2)
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self.assertIn(
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"[ ] migrations.0001_initial\n"
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"[ ] migrations.0003_third ... (migrations.0001_initial)\n"
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"[ ] migrations.0002_second ... (migrations.0001_initial)",
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out.getvalue().lower()
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)
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call_command("migrate", "migrations", "0003", verbosity=0)
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out = six.StringIO()
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call_command("showmigrations", format='plan', stdout=out)
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self.assertIn(
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"[x] migrations.0001_initial\n"
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"[x] migrations.0003_third\n"
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"[ ] migrations.0002_second",
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out.getvalue().lower()
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)
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out = six.StringIO()
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call_command("showmigrations", format='plan', stdout=out, verbosity=2)
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self.assertIn(
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"[x] migrations.0001_initial\n"
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"[x] migrations.0003_third ... (migrations.0001_initial)\n"
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"[ ] migrations.0002_second ... (migrations.0001_initial)",
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out.getvalue().lower()
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)
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# Cleanup by unmigrating everything
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call_command("migrate", "migrations", "zero", verbosity=0)
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@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations_empty"})
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def test_showmigrations_plan_no_migrations(self):
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"""
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Tests --plan output of showmigrations command without migrations
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"""
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out = six.StringIO()
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call_command("showmigrations", format='plan', stdout=out)
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self.assertEqual("", out.getvalue().lower())
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out = six.StringIO()
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call_command("showmigrations", format='plan', stdout=out, verbosity=2)
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self.assertEqual("", out.getvalue().lower())
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@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations_squashed_complex"})
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def test_showmigrations_plan_squashed(self):
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"""
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Tests --plan output of showmigrations command with squashed migrations.
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"""
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out = six.StringIO()
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call_command("showmigrations", format='plan', stdout=out)
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self.assertEqual(
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"[ ] migrations.1_auto\n"
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"[ ] migrations.2_auto\n"
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"[ ] migrations.3_squashed_5\n"
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"[ ] migrations.6_auto\n"
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"[ ] migrations.7_auto\n",
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out.getvalue().lower()
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)
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out = six.StringIO()
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call_command("showmigrations", format='plan', stdout=out, verbosity=2)
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self.assertEqual(
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"[ ] migrations.1_auto\n"
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"[ ] migrations.2_auto ... (migrations.1_auto)\n"
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"[ ] migrations.3_squashed_5 ... (migrations.2_auto)\n"
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"[ ] migrations.6_auto ... (migrations.3_squashed_5)\n"
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"[ ] migrations.7_auto ... (migrations.6_auto)\n",
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out.getvalue().lower()
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)
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call_command("migrate", "migrations", "3_squashed_5", verbosity=0)
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out = six.StringIO()
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call_command("showmigrations", format='plan', stdout=out)
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self.assertEqual(
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"[x] migrations.1_auto\n"
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"[x] migrations.2_auto\n"
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"[x] migrations.3_squashed_5\n"
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"[ ] migrations.6_auto\n"
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"[ ] migrations.7_auto\n",
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out.getvalue().lower()
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)
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out = six.StringIO()
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call_command("showmigrations", format='plan', stdout=out, verbosity=2)
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self.assertEqual(
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"[x] migrations.1_auto\n"
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"[x] migrations.2_auto ... (migrations.1_auto)\n"
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"[x] migrations.3_squashed_5 ... (migrations.2_auto)\n"
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"[ ] migrations.6_auto ... (migrations.3_squashed_5)\n"
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"[ ] migrations.7_auto ... (migrations.6_auto)\n",
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out.getvalue().lower()
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)
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@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
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def test_sqlmigrate_forwards(self):
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"""
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Makes sure that sqlmigrate does something.
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"""
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out = six.StringIO()
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call_command("sqlmigrate", "migrations", "0001", stdout=out)
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output = out.getvalue().lower()
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index_tx_start = output.find(connection.ops.start_transaction_sql().lower())
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index_op_desc_author = output.find('-- create model author')
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index_create_table = output.find('create table')
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index_op_desc_tribble = output.find('-- create model tribble')
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index_op_desc_unique_together = output.find('-- alter unique_together')
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index_tx_end = output.find(connection.ops.end_transaction_sql().lower())
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self.assertGreater(index_tx_start, -1, "Transaction start not found")
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self.assertGreater(index_op_desc_author, index_tx_start,
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"Operation description (author) not found or found before transaction start")
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self.assertGreater(index_create_table, index_op_desc_author,
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"CREATE TABLE not found or found before operation description (author)")
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self.assertGreater(index_op_desc_tribble, index_create_table,
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"Operation description (tribble) not found or found before CREATE TABLE (author)")
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self.assertGreater(index_op_desc_unique_together, index_op_desc_tribble,
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"Operation description (unique_together) not found or found before operation description (tribble)")
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self.assertGreater(index_tx_end, index_op_desc_unique_together,
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"Transaction end not found or found before operation description (unique_together)")
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@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
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def test_sqlmigrate_backwards(self):
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"""
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Makes sure that sqlmigrate does something.
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"""
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# Cannot generate the reverse SQL unless we've applied the migration.
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call_command("migrate", "migrations", verbosity=0)
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out = six.StringIO()
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call_command("sqlmigrate", "migrations", "0001", stdout=out, backwards=True)
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output = out.getvalue().lower()
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index_tx_start = output.find(connection.ops.start_transaction_sql().lower())
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index_op_desc_unique_together = output.find('-- alter unique_together')
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index_op_desc_tribble = output.find('-- create model tribble')
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index_op_desc_author = output.find('-- create model author')
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index_drop_table = output.rfind('drop table')
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index_tx_end = output.find(connection.ops.end_transaction_sql().lower())
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self.assertGreater(index_tx_start, -1, "Transaction start not found")
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self.assertGreater(index_op_desc_unique_together, index_tx_start,
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"Operation description (unique_together) not found or found before transaction start")
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self.assertGreater(index_op_desc_tribble, index_op_desc_unique_together,
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"Operation description (tribble) not found or found before operation description (unique_together)")
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self.assertGreater(index_op_desc_author, index_op_desc_tribble,
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"Operation description (author) not found or found before operation description (tribble)")
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self.assertGreater(index_drop_table, index_op_desc_author,
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"DROP TABLE not found or found before operation description (author)")
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self.assertGreater(index_tx_end, index_op_desc_unique_together,
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"Transaction end not found or found before DROP TABLE")
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# Cleanup by unmigrating everything
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call_command("migrate", "migrations", "zero", verbosity=0)
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@override_settings(
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INSTALLED_APPS=[
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"migrations.migrations_test_apps.migrated_app",
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"migrations.migrations_test_apps.migrated_unapplied_app",
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"migrations.migrations_test_apps.unmigrated_app"])
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def test_regression_22823_unmigrated_fk_to_migrated_model(self):
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"""
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https://code.djangoproject.com/ticket/22823
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Assuming you have 3 apps, `A`, `B`, and `C`, such that:
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* `A` has migrations
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* `B` has a migration we want to apply
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* `C` has no migrations, but has an FK to `A`
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When we try to migrate "B", an exception occurs because the
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"B" was not included in the ProjectState that is used to detect
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soft-applied migrations.
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"""
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call_command("migrate", "migrated_unapplied_app", stdout=six.StringIO())
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class MakeMigrationsTests(MigrationTestBase):
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"""
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Tests running the makemigrations command.
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"""
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def setUp(self):
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super(MigrationTestBase, self).setUp()
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self._old_models = apps.app_configs['migrations'].models.copy()
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def tearDown(self):
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apps.app_configs['migrations'].models = self._old_models
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apps.all_models['migrations'] = self._old_models
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apps.clear_cache()
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super(MigrationTestBase, self).tearDown()
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def test_files_content(self):
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self.assertTableNotExists("migrations_unicodemodel")
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apps.register_model('migrations', UnicodeModel)
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with self.temporary_migration_module() as migration_dir:
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call_command("makemigrations", "migrations", verbosity=0)
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# Check for empty __init__.py file in migrations folder
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init_file = os.path.join(migration_dir, "__init__.py")
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self.assertTrue(os.path.exists(init_file))
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with open(init_file, 'r') as fp:
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content = force_text(fp.read())
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self.assertEqual(content, '')
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# Check for existing 0001_initial.py file in migration folder
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initial_file = os.path.join(migration_dir, "0001_initial.py")
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self.assertTrue(os.path.exists(initial_file))
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with codecs.open(initial_file, 'r', encoding='utf-8') as fp:
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content = fp.read()
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self.assertIn('# -*- coding: utf-8 -*-', content)
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self.assertIn('migrations.CreateModel', content)
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if six.PY3:
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self.assertIn('úñí©óðé µóðéø', content) # Meta.verbose_name
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self.assertIn('úñí©óðé µóðéøß', content) # Meta.verbose_name_plural
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self.assertIn('ÚÑÍ¢ÓÐÉ', content) # title.verbose_name
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self.assertIn('“Ðjáñgó”', content) # title.default
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else:
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self.assertIn('\\xfa\\xf1\\xed\\xa9\\xf3\\xf0\\xe9 \\xb5\\xf3\\xf0\\xe9\\xf8', content) # Meta.verbose_name
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self.assertIn('\\xfa\\xf1\\xed\\xa9\\xf3\\xf0\\xe9 \\xb5\\xf3\\xf0\\xe9\\xf8\\xdf', content) # Meta.verbose_name_plural
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self.assertIn('\\xda\\xd1\\xcd\\xa2\\xd3\\xd0\\xc9', content) # title.verbose_name
|
|
self.assertIn('\\u201c\\xd0j\\xe1\\xf1g\\xf3\\u201d', content) # title.default
|
|
|
|
def test_failing_migration(self):
|
|
# If a migration fails to serialize, it shouldn't generate an empty file. #21280
|
|
apps.register_model('migrations', UnserializableModel)
|
|
|
|
with self.temporary_migration_module() as migration_dir:
|
|
with six.assertRaisesRegex(self, ValueError, r'Cannot serialize'):
|
|
call_command("makemigrations", "migrations", verbosity=0)
|
|
|
|
initial_file = os.path.join(migration_dir, "0001_initial.py")
|
|
self.assertFalse(os.path.exists(initial_file))
|
|
|
|
def test_makemigrations_conflict_exit(self):
|
|
"""
|
|
Makes sure that makemigrations exits if it detects a conflict.
|
|
"""
|
|
with self.temporary_migration_module(module="migrations.test_migrations_conflict"):
|
|
with self.assertRaises(CommandError):
|
|
call_command("makemigrations")
|
|
|
|
def test_makemigrations_merge_no_conflict(self):
|
|
"""
|
|
Makes sure that makemigrations exits if in merge mode with no conflicts.
|
|
"""
|
|
out = six.StringIO()
|
|
with self.temporary_migration_module(module="migrations.test_migrations"):
|
|
try:
|
|
call_command("makemigrations", merge=True, stdout=out)
|
|
except CommandError:
|
|
self.fail("Makemigrations errored in merge mode with no conflicts")
|
|
self.assertIn("No conflicts detected to merge.", out.getvalue())
|
|
|
|
def test_makemigrations_no_app_sys_exit(self):
|
|
"""
|
|
Makes sure that makemigrations exits if a non-existent app is specified.
|
|
"""
|
|
err = six.StringIO()
|
|
with self.assertRaises(SystemExit):
|
|
call_command("makemigrations", "this_app_does_not_exist", stderr=err)
|
|
self.assertIn("'this_app_does_not_exist' could not be found.", err.getvalue())
|
|
|
|
def test_makemigrations_empty_no_app_specified(self):
|
|
"""
|
|
Makes sure that makemigrations exits if no app is specified with 'empty' mode.
|
|
"""
|
|
with self.assertRaises(CommandError):
|
|
call_command("makemigrations", empty=True)
|
|
|
|
def test_makemigrations_empty_migration(self):
|
|
"""
|
|
Makes sure that makemigrations properly constructs an empty migration.
|
|
"""
|
|
with self.temporary_migration_module() as migration_dir:
|
|
try:
|
|
call_command("makemigrations", "migrations", empty=True, verbosity=0)
|
|
except CommandError:
|
|
self.fail("Makemigrations errored in creating empty migration for a proper app.")
|
|
|
|
# Check for existing 0001_initial.py file in migration folder
|
|
initial_file = os.path.join(migration_dir, "0001_initial.py")
|
|
self.assertTrue(os.path.exists(initial_file))
|
|
|
|
with codecs.open(initial_file, 'r', encoding='utf-8') as fp:
|
|
content = fp.read()
|
|
self.assertIn('# -*- coding: utf-8 -*-', content)
|
|
|
|
# Remove all whitespace to check for empty dependencies and operations
|
|
content = content.replace(' ', '')
|
|
self.assertIn('dependencies=[\n]', content)
|
|
self.assertIn('operations=[\n]', content)
|
|
|
|
def test_makemigrations_no_changes_no_apps(self):
|
|
"""
|
|
Makes sure that makemigrations exits when there are no changes and no apps are specified.
|
|
"""
|
|
out = six.StringIO()
|
|
call_command("makemigrations", stdout=out)
|
|
self.assertIn("No changes detected", out.getvalue())
|
|
|
|
def test_makemigrations_no_changes(self):
|
|
"""
|
|
Makes sure that makemigrations exits when there are no changes to an app.
|
|
"""
|
|
out = six.StringIO()
|
|
with self.temporary_migration_module(module="migrations.test_migrations_no_changes"):
|
|
call_command("makemigrations", "migrations", stdout=out)
|
|
self.assertIn("No changes detected in app 'migrations'", out.getvalue())
|
|
|
|
def test_makemigrations_migrations_announce(self):
|
|
"""
|
|
Makes sure that makemigrations announces the migration at the default verbosity level.
|
|
"""
|
|
out = six.StringIO()
|
|
with self.temporary_migration_module():
|
|
call_command("makemigrations", "migrations", stdout=out)
|
|
self.assertIn("Migrations for 'migrations'", out.getvalue())
|
|
|
|
def test_makemigrations_no_common_ancestor(self):
|
|
"""
|
|
Makes sure that makemigrations fails to merge migrations with no common ancestor.
|
|
"""
|
|
with self.assertRaises(ValueError) as context:
|
|
with self.temporary_migration_module(module="migrations.test_migrations_no_ancestor"):
|
|
call_command("makemigrations", "migrations", merge=True)
|
|
exception_message = str(context.exception)
|
|
self.assertIn("Could not find common ancestor of", exception_message)
|
|
self.assertIn("0002_second", exception_message)
|
|
self.assertIn("0002_conflicting_second", exception_message)
|
|
|
|
def test_makemigrations_interactive_reject(self):
|
|
"""
|
|
Makes sure that makemigrations enters and exits interactive mode properly.
|
|
"""
|
|
# Monkeypatch interactive questioner to auto reject
|
|
with mock.patch('django.db.migrations.questioner.input', mock.Mock(return_value='N')):
|
|
try:
|
|
with self.temporary_migration_module(module="migrations.test_migrations_conflict") as migration_dir:
|
|
call_command("makemigrations", "migrations", merge=True, interactive=True, verbosity=0)
|
|
merge_file = os.path.join(migration_dir, '0003_merge.py')
|
|
self.assertFalse(os.path.exists(merge_file))
|
|
except CommandError:
|
|
self.fail("Makemigrations failed while running interactive questioner")
|
|
|
|
def test_makemigrations_interactive_accept(self):
|
|
"""
|
|
Makes sure that makemigrations enters interactive mode and merges properly.
|
|
"""
|
|
# Monkeypatch interactive questioner to auto accept
|
|
with mock.patch('django.db.migrations.questioner.input', mock.Mock(return_value='y')):
|
|
out = six.StringIO()
|
|
try:
|
|
with self.temporary_migration_module(module="migrations.test_migrations_conflict") as migration_dir:
|
|
call_command("makemigrations", "migrations", merge=True, interactive=True, stdout=out)
|
|
merge_file = os.path.join(migration_dir, '0003_merge.py')
|
|
self.assertTrue(os.path.exists(merge_file))
|
|
except CommandError:
|
|
self.fail("Makemigrations failed while running interactive questioner")
|
|
self.assertIn("Created new merge migration", force_text(out.getvalue()))
|
|
|
|
def test_makemigrations_non_interactive_not_null_addition(self):
|
|
"""
|
|
Tests that non-interactive makemigrations fails when a default is missing on a new not-null field.
|
|
"""
|
|
class SillyModel(models.Model):
|
|
silly_field = models.BooleanField(default=False)
|
|
silly_int = models.IntegerField()
|
|
|
|
class Meta:
|
|
app_label = "migrations"
|
|
|
|
out = six.StringIO()
|
|
with self.assertRaises(SystemExit):
|
|
with self.temporary_migration_module(module="migrations.test_migrations_no_default"):
|
|
call_command("makemigrations", "migrations", interactive=False, stdout=out)
|
|
|
|
def test_makemigrations_non_interactive_not_null_alteration(self):
|
|
"""
|
|
Tests that non-interactive makemigrations fails when a default is missing on a field changed to not-null.
|
|
"""
|
|
class Author(models.Model):
|
|
name = models.CharField(max_length=255)
|
|
slug = models.SlugField()
|
|
age = models.IntegerField(default=0)
|
|
|
|
class Meta:
|
|
app_label = "migrations"
|
|
|
|
out = six.StringIO()
|
|
try:
|
|
with self.temporary_migration_module(module="migrations.test_migrations"):
|
|
call_command("makemigrations", "migrations", interactive=False, stdout=out)
|
|
except CommandError:
|
|
self.fail("Makemigrations failed while running non-interactive questioner.")
|
|
self.assertIn("Alter field slug on author", force_text(out.getvalue()))
|
|
|
|
def test_makemigrations_non_interactive_no_model_rename(self):
|
|
"""
|
|
Makes sure that makemigrations adds and removes a possible model rename in non-interactive mode.
|
|
"""
|
|
class RenamedModel(models.Model):
|
|
silly_field = models.BooleanField(default=False)
|
|
|
|
class Meta:
|
|
app_label = "migrations"
|
|
|
|
out = six.StringIO()
|
|
try:
|
|
with self.temporary_migration_module(module="migrations.test_migrations_no_default"):
|
|
call_command("makemigrations", "migrations", interactive=False, stdout=out)
|
|
except CommandError:
|
|
self.fail("Makemigrations failed while running non-interactive questioner")
|
|
self.assertIn("Delete model SillyModel", force_text(out.getvalue()))
|
|
self.assertIn("Create model RenamedModel", force_text(out.getvalue()))
|
|
|
|
def test_makemigrations_non_interactive_no_field_rename(self):
|
|
"""
|
|
Makes sure that makemigrations adds and removes a possible field rename in non-interactive mode.
|
|
"""
|
|
class SillyModel(models.Model):
|
|
silly_rename = models.BooleanField(default=False)
|
|
|
|
class Meta:
|
|
app_label = "migrations"
|
|
|
|
out = six.StringIO()
|
|
try:
|
|
with self.temporary_migration_module(module="migrations.test_migrations_no_default"):
|
|
call_command("makemigrations", "migrations", interactive=False, stdout=out)
|
|
except CommandError:
|
|
self.fail("Makemigrations failed while running non-interactive questioner")
|
|
self.assertIn("Remove field silly_field from sillymodel", force_text(out.getvalue()))
|
|
self.assertIn("Add field silly_rename to sillymodel", force_text(out.getvalue()))
|
|
|
|
def test_makemigrations_handle_merge(self):
|
|
"""
|
|
Makes sure that makemigrations properly merges the conflicting migrations with --noinput.
|
|
"""
|
|
out = six.StringIO()
|
|
with self.temporary_migration_module(module="migrations.test_migrations_conflict") as migration_dir:
|
|
call_command("makemigrations", "migrations", merge=True, interactive=False, stdout=out)
|
|
merge_file = os.path.join(migration_dir, '0003_merge.py')
|
|
self.assertTrue(os.path.exists(merge_file))
|
|
output = force_text(out.getvalue())
|
|
self.assertIn("Merging migrations", output)
|
|
self.assertIn("Branch 0002_second", output)
|
|
self.assertIn("Branch 0002_conflicting_second", output)
|
|
self.assertIn("Created new merge migration", output)
|
|
|
|
def test_makemigration_merge_dry_run(self):
|
|
"""
|
|
Makes sure that makemigrations respects --dry-run option when fixing
|
|
migration conflicts (#24427).
|
|
"""
|
|
out = six.StringIO()
|
|
with self.temporary_migration_module(module="migrations.test_migrations_conflict") as migration_dir:
|
|
call_command("makemigrations", "migrations", dry_run=True, merge=True, interactive=False, stdout=out)
|
|
merge_file = os.path.join(migration_dir, '0003_merge.py')
|
|
self.assertFalse(os.path.exists(merge_file))
|
|
output = force_text(out.getvalue())
|
|
self.assertIn("Merging migrations", output)
|
|
self.assertIn("Branch 0002_second", output)
|
|
self.assertIn("Branch 0002_conflicting_second", output)
|
|
self.assertNotIn("Created new merge migration", output)
|
|
|
|
def test_makemigration_merge_dry_run_verbosity_3(self):
|
|
"""
|
|
Makes sure that `makemigrations --merge --dry-run` writes the merge
|
|
migration file to stdout with `verbosity == 3` (#24427).
|
|
"""
|
|
out = six.StringIO()
|
|
with self.temporary_migration_module(module="migrations.test_migrations_conflict") as migration_dir:
|
|
call_command("makemigrations", "migrations", dry_run=True, merge=True, interactive=False,
|
|
stdout=out, verbosity=3)
|
|
merge_file = os.path.join(migration_dir, '0003_merge.py')
|
|
self.assertFalse(os.path.exists(merge_file))
|
|
output = force_text(out.getvalue())
|
|
self.assertIn("Merging migrations", output)
|
|
self.assertIn("Branch 0002_second", output)
|
|
self.assertIn("Branch 0002_conflicting_second", output)
|
|
self.assertNotIn("Created new merge migration", output)
|
|
|
|
# Additional output caused by verbosity 3
|
|
# The complete merge migration file that would be written
|
|
self.assertIn("# -*- coding: utf-8 -*-", output)
|
|
self.assertIn("class Migration(migrations.Migration):", output)
|
|
self.assertIn("dependencies = [", output)
|
|
self.assertIn("('migrations', '0002_second')", output)
|
|
self.assertIn("('migrations', '0002_conflicting_second')", output)
|
|
self.assertIn("operations = [", output)
|
|
self.assertIn("]", output)
|
|
|
|
def test_makemigrations_dry_run(self):
|
|
"""
|
|
Ticket #22676 -- `makemigrations --dry-run` should not ask for defaults.
|
|
"""
|
|
|
|
class SillyModel(models.Model):
|
|
silly_field = models.BooleanField(default=False)
|
|
silly_date = models.DateField() # Added field without a default
|
|
|
|
class Meta:
|
|
app_label = "migrations"
|
|
|
|
out = six.StringIO()
|
|
with self.temporary_migration_module(module="migrations.test_migrations_no_default"):
|
|
call_command("makemigrations", "migrations", dry_run=True, stdout=out)
|
|
# Output the expected changes directly, without asking for defaults
|
|
self.assertIn("Add field silly_date to sillymodel", out.getvalue())
|
|
|
|
def test_makemigrations_dry_run_verbosity_3(self):
|
|
"""
|
|
Ticket #22675 -- Allow `makemigrations --dry-run` to output the
|
|
migrations file to stdout (with verbosity == 3).
|
|
"""
|
|
|
|
class SillyModel(models.Model):
|
|
silly_field = models.BooleanField(default=False)
|
|
silly_char = models.CharField(default="")
|
|
|
|
class Meta:
|
|
app_label = "migrations"
|
|
|
|
out = six.StringIO()
|
|
with self.temporary_migration_module(module="migrations.test_migrations_no_default"):
|
|
call_command("makemigrations", "migrations", dry_run=True, stdout=out, verbosity=3)
|
|
|
|
# Normal --dry-run output
|
|
self.assertIn("- Add field silly_char to sillymodel", out.getvalue())
|
|
|
|
# Additional output caused by verbosity 3
|
|
# The complete migrations file that would be written
|
|
self.assertIn("# -*- coding: utf-8 -*-", out.getvalue())
|
|
self.assertIn("class Migration(migrations.Migration):", out.getvalue())
|
|
self.assertIn("dependencies = [", out.getvalue())
|
|
self.assertIn("('migrations', '0001_initial'),", out.getvalue())
|
|
self.assertIn("migrations.AddField(", out.getvalue())
|
|
self.assertIn("model_name='sillymodel',", out.getvalue())
|
|
self.assertIn("name='silly_char',", out.getvalue())
|
|
|
|
def test_makemigrations_migrations_modules_path_not_exist(self):
|
|
"""
|
|
Ticket #22682 -- Makemigrations fails when specifying custom location
|
|
for migration files (using MIGRATION_MODULES) if the custom path
|
|
doesn't already exist.
|
|
"""
|
|
|
|
class SillyModel(models.Model):
|
|
silly_field = models.BooleanField(default=False)
|
|
|
|
class Meta:
|
|
app_label = "migrations"
|
|
|
|
out = six.StringIO()
|
|
with self.temporary_migration_module(module="migrations.test_migrations_path_doesnt_exist.foo.bar") as migration_dir:
|
|
call_command("makemigrations", "migrations", stdout=out)
|
|
|
|
# Migrations file is actually created in the expected path.
|
|
initial_file = os.path.join(migration_dir, "0001_initial.py")
|
|
self.assertTrue(os.path.exists(initial_file))
|
|
|
|
# Command output indicates the migration is created.
|
|
self.assertIn(" - Create model SillyModel", out.getvalue())
|
|
|
|
def test_makemigrations_interactive_by_default(self):
|
|
"""
|
|
Makes sure that the user is prompted to merge by default if there are
|
|
conflicts and merge is True. Answer negative to differentiate it from
|
|
behavior when --noinput is specified.
|
|
"""
|
|
# Monkeypatch interactive questioner to auto reject
|
|
out = six.StringIO()
|
|
with mock.patch('django.db.migrations.questioner.input', mock.Mock(return_value='N')):
|
|
try:
|
|
with self.temporary_migration_module(module="migrations.test_migrations_conflict") as migration_dir:
|
|
call_command("makemigrations", "migrations", merge=True, stdout=out)
|
|
merge_file = os.path.join(migration_dir, '0003_merge.py')
|
|
# This will fail if interactive is False by default
|
|
self.assertFalse(os.path.exists(merge_file))
|
|
except CommandError:
|
|
self.fail("Makemigrations failed while running interactive questioner")
|
|
self.assertNotIn("Created new merge migration", out.getvalue())
|
|
|
|
@override_settings(
|
|
INSTALLED_APPS=[
|
|
"migrations",
|
|
"migrations.migrations_test_apps.unspecified_app_with_conflict"])
|
|
def test_makemigrations_unspecified_app_with_conflict_no_merge(self):
|
|
"""
|
|
Makes sure that makemigrations does not raise a CommandError when an
|
|
unspecified app has conflicting migrations.
|
|
"""
|
|
try:
|
|
with self.temporary_migration_module(module="migrations.test_migrations_no_changes"):
|
|
call_command("makemigrations", "migrations", merge=False, verbosity=0)
|
|
except CommandError:
|
|
self.fail("Makemigrations fails resolving conflicts in an unspecified app")
|
|
|
|
@override_settings(
|
|
INSTALLED_APPS=[
|
|
"migrations.migrations_test_apps.migrated_app",
|
|
"migrations.migrations_test_apps.unspecified_app_with_conflict"])
|
|
def test_makemigrations_unspecified_app_with_conflict_merge(self):
|
|
"""
|
|
Makes sure that makemigrations does not create a merge for an
|
|
unspecified app even if it has conflicting migrations.
|
|
"""
|
|
# Monkeypatch interactive questioner to auto accept
|
|
with mock.patch('django.db.migrations.questioner.input', mock.Mock(return_value='y')):
|
|
out = six.StringIO()
|
|
try:
|
|
with self.temporary_migration_module(app_label="migrated_app") as migration_dir:
|
|
call_command("makemigrations", "migrated_app", merge=True, interactive=True, stdout=out)
|
|
merge_file = os.path.join(migration_dir, '0003_merge.py')
|
|
self.assertFalse(os.path.exists(merge_file))
|
|
self.assertIn("No conflicts detected to merge.", out.getvalue())
|
|
except CommandError:
|
|
self.fail("Makemigrations fails resolving conflicts in an unspecified app")
|
|
|
|
def test_makemigrations_with_custom_name(self):
|
|
"""
|
|
Makes sure that makemigrations generate a custom migration.
|
|
"""
|
|
with self.temporary_migration_module() as migration_dir:
|
|
|
|
def cmd(migration_count, migration_name, *args):
|
|
try:
|
|
call_command("makemigrations", "migrations", "--verbosity", "0", "--name", migration_name, *args)
|
|
except CommandError:
|
|
self.fail("Makemigrations errored in creating empty migration with custom name for a proper app.")
|
|
migration_file = os.path.join(migration_dir, "%s_%s.py" % (migration_count, migration_name))
|
|
# Check for existing migration file in migration folder
|
|
self.assertTrue(os.path.exists(migration_file))
|
|
with codecs.open(migration_file, "r", encoding="utf-8") as fp:
|
|
content = fp.read()
|
|
self.assertIn("# -*- coding: utf-8 -*-", content)
|
|
content = content.replace(" ", "")
|
|
return content
|
|
|
|
# generate an initial migration
|
|
migration_name_0001 = "my_initial_migration"
|
|
content = cmd("0001", migration_name_0001)
|
|
self.assertIn("dependencies=[\n]", content)
|
|
|
|
# Python 3.3+ importlib caches os.listdir() on some platforms like
|
|
# Mac OS X (#23850).
|
|
if hasattr(importlib, 'invalidate_caches'):
|
|
importlib.invalidate_caches()
|
|
|
|
# generate an empty migration
|
|
migration_name_0002 = "my_custom_migration"
|
|
content = cmd("0002", migration_name_0002, "--empty")
|
|
self.assertIn("dependencies=[\n('migrations','0001_%s'),\n]" % migration_name_0001, content)
|
|
self.assertIn("operations=[\n]", content)
|
|
|
|
def test_makemigrations_exit(self):
|
|
"""
|
|
makemigrations --exit should exit with sys.exit(1) when there are no
|
|
changes to an app.
|
|
"""
|
|
with self.temporary_migration_module():
|
|
call_command("makemigrations", "--exit", "migrations", verbosity=0)
|
|
|
|
with self.temporary_migration_module(module="migrations.test_migrations_no_changes"):
|
|
with self.assertRaises(SystemExit):
|
|
call_command("makemigrations", "--exit", "migrations", verbosity=0)
|
|
|
|
|
|
class SquashMigrationsTests(MigrationTestBase):
|
|
"""
|
|
Tests running the squashmigrations command.
|
|
"""
|
|
|
|
def test_squashmigrations_squashes(self):
|
|
"""
|
|
Tests that squashmigrations squashes migrations.
|
|
"""
|
|
with self.temporary_migration_module(module="migrations.test_migrations") as migration_dir:
|
|
call_command("squashmigrations", "migrations", "0002", interactive=False, verbosity=0)
|
|
|
|
squashed_migration_file = os.path.join(migration_dir, "0001_squashed_0002_second.py")
|
|
self.assertTrue(os.path.exists(squashed_migration_file))
|
|
|
|
def test_squashmigrations_optimizes(self):
|
|
"""
|
|
Tests that squashmigrations optimizes operations.
|
|
"""
|
|
out = six.StringIO()
|
|
with self.temporary_migration_module(module="migrations.test_migrations"):
|
|
call_command("squashmigrations", "migrations", "0002", interactive=False, verbosity=1, stdout=out)
|
|
self.assertIn("Optimized from 7 operations to 5 operations.", force_text(out.getvalue()))
|
|
|
|
def test_ticket_23799_squashmigrations_no_optimize(self):
|
|
"""
|
|
Makes sure that squashmigrations --no-optimize really doesn't optimize operations.
|
|
"""
|
|
out = six.StringIO()
|
|
with self.temporary_migration_module(module="migrations.test_migrations"):
|
|
call_command("squashmigrations", "migrations", "0002",
|
|
interactive=False, verbosity=1, no_optimize=True, stdout=out)
|
|
self.assertIn("Skipping optimization", force_text(out.getvalue()))
|