mirror of
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479 lines
19 KiB
Python
479 lines
19 KiB
Python
import os
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from io import StringIO
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from unittest import mock
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from admin_scripts.tests import AdminScriptTestCase
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from django.apps import apps
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from django.core import management
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from django.core.checks import Tags
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from django.core.management import BaseCommand, CommandError, find_commands
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from django.core.management.utils import (
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find_command, get_random_secret_key, is_ignored_path,
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normalize_path_patterns, popen_wrapper,
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)
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from django.db import connection
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from django.test import SimpleTestCase, override_settings
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from django.test.utils import captured_stderr, extend_sys_path, ignore_warnings
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from django.utils import translation
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from django.utils.deprecation import RemovedInDjango41Warning
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from django.utils.version import PY37
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from .management.commands import dance
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# A minimal set of apps to avoid system checks running on all apps.
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@override_settings(
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INSTALLED_APPS=[
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'django.contrib.auth',
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'django.contrib.contenttypes',
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'user_commands',
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],
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)
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class CommandTests(SimpleTestCase):
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def test_command(self):
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out = StringIO()
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management.call_command('dance', stdout=out)
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self.assertIn("I don't feel like dancing Rock'n'Roll.\n", out.getvalue())
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def test_command_style(self):
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out = StringIO()
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management.call_command('dance', style='Jive', stdout=out)
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self.assertIn("I don't feel like dancing Jive.\n", out.getvalue())
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# Passing options as arguments also works (thanks argparse)
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management.call_command('dance', '--style', 'Jive', stdout=out)
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self.assertIn("I don't feel like dancing Jive.\n", out.getvalue())
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def test_language_preserved(self):
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with translation.override('fr'):
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management.call_command('dance', verbosity=0)
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self.assertEqual(translation.get_language(), 'fr')
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def test_explode(self):
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""" An unknown command raises CommandError """
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with self.assertRaisesMessage(CommandError, "Unknown command: 'explode'"):
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management.call_command(('explode',))
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def test_system_exit(self):
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""" Exception raised in a command should raise CommandError with
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call_command, but SystemExit when run from command line
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"""
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with self.assertRaises(CommandError) as cm:
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management.call_command('dance', example="raise")
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self.assertEqual(cm.exception.returncode, 3)
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dance.Command.requires_system_checks = []
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try:
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with captured_stderr() as stderr, self.assertRaises(SystemExit) as cm:
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management.ManagementUtility(['manage.py', 'dance', '--example=raise']).execute()
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self.assertEqual(cm.exception.code, 3)
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finally:
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dance.Command.requires_system_checks = '__all__'
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self.assertIn("CommandError", stderr.getvalue())
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def test_no_translations_deactivate_translations(self):
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"""
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When the Command handle method is decorated with @no_translations,
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translations are deactivated inside the command.
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"""
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current_locale = translation.get_language()
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with translation.override('pl'):
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result = management.call_command('no_translations')
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self.assertIsNone(result)
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self.assertEqual(translation.get_language(), current_locale)
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def test_find_command_without_PATH(self):
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"""
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find_command should still work when the PATH environment variable
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doesn't exist (#22256).
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"""
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current_path = os.environ.pop('PATH', None)
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try:
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self.assertIsNone(find_command('_missing_'))
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finally:
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if current_path is not None:
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os.environ['PATH'] = current_path
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def test_discover_commands_in_eggs(self):
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"""
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Management commands can also be loaded from Python eggs.
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"""
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egg_dir = '%s/eggs' % os.path.dirname(__file__)
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egg_name = '%s/basic.egg' % egg_dir
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with extend_sys_path(egg_name):
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with self.settings(INSTALLED_APPS=['commandegg']):
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cmds = find_commands(os.path.join(apps.get_app_config('commandegg').path, 'management'))
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self.assertEqual(cmds, ['eggcommand'])
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def test_call_command_option_parsing(self):
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"""
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When passing the long option name to call_command, the available option
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key is the option dest name (#22985).
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"""
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out = StringIO()
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management.call_command('dance', stdout=out, opt_3=True)
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self.assertIn("option3", out.getvalue())
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self.assertNotIn("opt_3", out.getvalue())
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self.assertNotIn("opt-3", out.getvalue())
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def test_call_command_option_parsing_non_string_arg(self):
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"""
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It should be possible to pass non-string arguments to call_command.
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"""
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out = StringIO()
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management.call_command('dance', 1, verbosity=0, stdout=out)
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self.assertIn("You passed 1 as a positional argument.", out.getvalue())
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def test_calling_a_command_with_only_empty_parameter_should_ends_gracefully(self):
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out = StringIO()
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management.call_command('hal', "--empty", stdout=out)
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self.assertEqual(out.getvalue(), "\nDave, I can't do that.\n")
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def test_calling_command_with_app_labels_and_parameters_should_be_ok(self):
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out = StringIO()
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management.call_command('hal', 'myapp', "--verbosity", "3", stdout=out)
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self.assertIn("Dave, my mind is going. I can feel it. I can feel it.\n", out.getvalue())
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def test_calling_command_with_parameters_and_app_labels_at_the_end_should_be_ok(self):
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out = StringIO()
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management.call_command('hal', "--verbosity", "3", "myapp", stdout=out)
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self.assertIn("Dave, my mind is going. I can feel it. I can feel it.\n", out.getvalue())
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def test_calling_a_command_with_no_app_labels_and_parameters_should_raise_a_command_error(self):
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with self.assertRaises(CommandError):
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management.call_command('hal')
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def test_output_transaction(self):
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output = management.call_command('transaction', stdout=StringIO(), no_color=True)
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self.assertTrue(output.strip().startswith(connection.ops.start_transaction_sql()))
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self.assertTrue(output.strip().endswith(connection.ops.end_transaction_sql()))
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def test_call_command_no_checks(self):
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"""
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By default, call_command should not trigger the check framework, unless
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specifically asked.
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"""
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self.counter = 0
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def patched_check(self_, **kwargs):
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self.counter += 1
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self.kwargs = kwargs
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saved_check = BaseCommand.check
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BaseCommand.check = patched_check
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try:
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management.call_command("dance", verbosity=0)
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self.assertEqual(self.counter, 0)
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management.call_command("dance", verbosity=0, skip_checks=False)
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self.assertEqual(self.counter, 1)
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self.assertEqual(self.kwargs, {})
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finally:
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BaseCommand.check = saved_check
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def test_requires_system_checks_empty(self):
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with mock.patch('django.core.management.base.BaseCommand.check') as mocked_check:
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management.call_command('no_system_checks')
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self.assertIs(mocked_check.called, False)
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def test_requires_system_checks_specific(self):
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with mock.patch('django.core.management.base.BaseCommand.check') as mocked_check:
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management.call_command('specific_system_checks')
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mocked_check.called_once_with(tags=[Tags.staticfiles, Tags.models])
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def test_requires_system_checks_invalid(self):
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class Command(BaseCommand):
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requires_system_checks = 'x'
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msg = 'requires_system_checks must be a list or tuple.'
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with self.assertRaisesMessage(TypeError, msg):
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Command()
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def test_check_migrations(self):
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requires_migrations_checks = dance.Command.requires_migrations_checks
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self.assertIs(requires_migrations_checks, False)
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try:
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with mock.patch.object(BaseCommand, 'check_migrations') as check_migrations:
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management.call_command('dance', verbosity=0)
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self.assertFalse(check_migrations.called)
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dance.Command.requires_migrations_checks = True
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management.call_command('dance', verbosity=0)
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self.assertTrue(check_migrations.called)
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finally:
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dance.Command.requires_migrations_checks = requires_migrations_checks
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def test_call_command_unrecognized_option(self):
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msg = (
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'Unknown option(s) for dance command: unrecognized. Valid options '
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'are: example, force_color, help, integer, no_color, opt_3, '
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'option3, pythonpath, settings, skip_checks, stderr, stdout, '
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'style, traceback, verbosity, version.'
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)
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with self.assertRaisesMessage(TypeError, msg):
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management.call_command('dance', unrecognized=1)
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msg = (
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'Unknown option(s) for dance command: unrecognized, unrecognized2. '
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'Valid options are: example, force_color, help, integer, no_color, '
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'opt_3, option3, pythonpath, settings, skip_checks, stderr, '
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'stdout, style, traceback, verbosity, version.'
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)
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with self.assertRaisesMessage(TypeError, msg):
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management.call_command('dance', unrecognized=1, unrecognized2=1)
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def test_call_command_with_required_parameters_in_options(self):
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out = StringIO()
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management.call_command('required_option', need_me='foo', needme2='bar', stdout=out)
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self.assertIn('need_me', out.getvalue())
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self.assertIn('needme2', out.getvalue())
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def test_call_command_with_required_parameters_in_mixed_options(self):
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out = StringIO()
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management.call_command('required_option', '--need-me=foo', needme2='bar', stdout=out)
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self.assertIn('need_me', out.getvalue())
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self.assertIn('needme2', out.getvalue())
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def test_command_add_arguments_after_common_arguments(self):
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out = StringIO()
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management.call_command('common_args', stdout=out)
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self.assertIn('Detected that --version already exists', out.getvalue())
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def test_mutually_exclusive_group_required_options(self):
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out = StringIO()
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management.call_command('mutually_exclusive_required', foo_id=1, stdout=out)
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self.assertIn('foo_id', out.getvalue())
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management.call_command('mutually_exclusive_required', foo_name='foo', stdout=out)
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self.assertIn('foo_name', out.getvalue())
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msg = (
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'Error: one of the arguments --foo-id --foo-name --foo-list '
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'--append_const --const --count --flag_false --flag_true is '
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'required'
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)
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with self.assertRaisesMessage(CommandError, msg):
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management.call_command('mutually_exclusive_required', stdout=out)
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def test_mutually_exclusive_group_required_const_options(self):
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tests = [
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('append_const', [42]),
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('const', 31),
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('count', 1),
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('flag_false', False),
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('flag_true', True),
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]
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for arg, value in tests:
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out = StringIO()
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expected_output = '%s=%s' % (arg, value)
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with self.subTest(arg=arg):
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management.call_command(
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'mutually_exclusive_required',
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'--%s' % arg,
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stdout=out,
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)
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self.assertIn(expected_output, out.getvalue())
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out.truncate(0)
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management.call_command(
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'mutually_exclusive_required',
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**{arg: value, 'stdout': out},
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)
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self.assertIn(expected_output, out.getvalue())
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def test_required_list_option(self):
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tests = [
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(('--foo-list', [1, 2]), {}),
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((), {'foo_list': [1, 2]}),
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]
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for command in ['mutually_exclusive_required', 'required_list_option']:
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for args, kwargs in tests:
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with self.subTest(command=command, args=args, kwargs=kwargs):
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out = StringIO()
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management.call_command(
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command,
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*args,
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**{**kwargs, 'stdout': out},
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)
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self.assertIn('foo_list=[1, 2]', out.getvalue())
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def test_required_const_options(self):
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args = {
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'append_const': [42],
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'const': 31,
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'count': 1,
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'flag_false': False,
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'flag_true': True,
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}
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expected_output = '\n'.join(
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'%s=%s' % (arg, value) for arg, value in args.items()
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)
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out = StringIO()
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management.call_command(
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'required_constant_option',
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'--append_const',
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'--const',
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'--count',
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'--flag_false',
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'--flag_true',
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stdout=out,
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)
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self.assertIn(expected_output, out.getvalue())
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out.truncate(0)
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management.call_command('required_constant_option', **{**args, 'stdout': out})
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self.assertIn(expected_output, out.getvalue())
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def test_subparser(self):
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out = StringIO()
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management.call_command('subparser', 'foo', 12, stdout=out)
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self.assertIn('bar', out.getvalue())
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def test_subparser_dest_args(self):
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out = StringIO()
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management.call_command('subparser_dest', 'foo', bar=12, stdout=out)
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self.assertIn('bar', out.getvalue())
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def test_subparser_dest_required_args(self):
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out = StringIO()
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management.call_command('subparser_required', 'foo_1', 'foo_2', bar=12, stdout=out)
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self.assertIn('bar', out.getvalue())
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def test_subparser_invalid_option(self):
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msg = "Error: invalid choice: 'test' (choose from 'foo')"
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with self.assertRaisesMessage(CommandError, msg):
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management.call_command('subparser', 'test', 12)
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if PY37:
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# "required" option requires Python 3.7 and later.
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msg = 'Error: the following arguments are required: subcommand'
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with self.assertRaisesMessage(CommandError, msg):
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management.call_command('subparser_dest', subcommand='foo', bar=12)
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else:
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msg = (
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'Unknown option(s) for subparser_dest command: subcommand. '
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'Valid options are: bar, force_color, help, no_color, '
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'pythonpath, settings, skip_checks, stderr, stdout, '
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'traceback, verbosity, version.'
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)
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with self.assertRaisesMessage(TypeError, msg):
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management.call_command('subparser_dest', subcommand='foo', bar=12)
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def test_create_parser_kwargs(self):
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"""BaseCommand.create_parser() passes kwargs to CommandParser."""
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epilog = 'some epilog text'
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parser = BaseCommand().create_parser('prog_name', 'subcommand', epilog=epilog)
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self.assertEqual(parser.epilog, epilog)
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def test_outputwrapper_flush(self):
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out = StringIO()
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with mock.patch.object(out, 'flush') as mocked_flush:
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management.call_command('outputwrapper', stdout=out)
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self.assertIn('Working...', out.getvalue())
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self.assertIs(mocked_flush.called, True)
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class CommandRunTests(AdminScriptTestCase):
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"""
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Tests that need to run by simulating the command line, not by call_command.
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"""
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def test_script_prefix_set_in_commands(self):
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self.write_settings('settings.py', apps=['user_commands'], sdict={
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'ROOT_URLCONF': '"user_commands.urls"',
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'FORCE_SCRIPT_NAME': '"/PREFIX/"',
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})
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out, err = self.run_manage(['reverse_url'])
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self.assertNoOutput(err)
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self.assertEqual(out.strip(), '/PREFIX/some/url/')
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def test_disallowed_abbreviated_options(self):
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"""
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To avoid conflicts with custom options, commands don't allow
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abbreviated forms of the --setting and --pythonpath options.
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"""
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self.write_settings('settings.py', apps=['user_commands'])
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out, err = self.run_manage(['set_option', '--set', 'foo'])
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self.assertNoOutput(err)
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self.assertEqual(out.strip(), 'Set foo')
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def test_skip_checks(self):
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self.write_settings('settings.py', apps=['django.contrib.staticfiles', 'user_commands'], sdict={
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# (staticfiles.E001) The STATICFILES_DIRS setting is not a tuple or
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# list.
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'STATICFILES_DIRS': '"foo"',
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})
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out, err = self.run_manage(['set_option', '--skip-checks', '--set', 'foo'])
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self.assertNoOutput(err)
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self.assertEqual(out.strip(), 'Set foo')
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class UtilsTests(SimpleTestCase):
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def test_no_existent_external_program(self):
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msg = 'Error executing a_42_command_that_doesnt_exist_42'
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with self.assertRaisesMessage(CommandError, msg):
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popen_wrapper(['a_42_command_that_doesnt_exist_42'])
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def test_get_random_secret_key(self):
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key = get_random_secret_key()
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self.assertEqual(len(key), 50)
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for char in key:
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self.assertIn(char, 'abcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*(-_=+)')
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def test_is_ignored_path_true(self):
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patterns = (
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['foo/bar/baz'],
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['baz'],
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['foo/bar/baz'],
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['*/baz'],
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['*'],
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['b?z'],
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['[abc]az'],
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['*/ba[!z]/baz'],
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)
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for ignore_patterns in patterns:
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with self.subTest(ignore_patterns=ignore_patterns):
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self.assertIs(is_ignored_path('foo/bar/baz', ignore_patterns=ignore_patterns), True)
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def test_is_ignored_path_false(self):
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self.assertIs(is_ignored_path('foo/bar/baz', ignore_patterns=['foo/bar/bat', 'bar', 'flub/blub']), False)
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def test_normalize_path_patterns_truncates_wildcard_base(self):
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expected = [os.path.normcase(p) for p in ['foo/bar', 'bar/*/']]
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self.assertEqual(normalize_path_patterns(['foo/bar/*', 'bar/*/']), expected)
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class DeprecationTests(SimpleTestCase):
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def test_requires_system_checks_warning(self):
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class Command(BaseCommand):
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pass
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msg = (
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"Using a boolean value for requires_system_checks is deprecated. "
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"Use '__all__' instead of True, and [] (an empty list) instead of "
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"False."
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)
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for value in [False, True]:
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Command.requires_system_checks = value
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with self.assertRaisesMessage(RemovedInDjango41Warning, msg):
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Command()
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@ignore_warnings(category=RemovedInDjango41Warning)
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def test_requires_system_checks_true(self):
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class Command(BaseCommand):
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requires_system_checks = True
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def handle(self, *args, **options):
|
|
pass
|
|
|
|
command = Command()
|
|
with mock.patch('django.core.management.base.BaseCommand.check') as mocked_check:
|
|
management.call_command(command, skip_checks=False)
|
|
mocked_check.assert_called_once_with()
|
|
|
|
@ignore_warnings(category=RemovedInDjango41Warning)
|
|
def test_requires_system_checks_false(self):
|
|
class Command(BaseCommand):
|
|
requires_system_checks = False
|
|
|
|
def handle(self, *args, **options):
|
|
pass
|
|
|
|
command = Command()
|
|
with mock.patch('django.core.management.base.BaseCommand.check') as mocked_check:
|
|
management.call_command(command)
|
|
self.assertIs(mocked_check.called, False)
|