mirror of
https://github.com/django/django.git
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513 lines
19 KiB
Python
513 lines
19 KiB
Python
import os
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from argparse import ArgumentDefaultsHelpFormatter
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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,
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get_random_secret_key,
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is_ignored_path,
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normalize_path_patterns,
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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
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from django.utils import translation
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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(
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["manage.py", "dance", "--example=raise"]
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).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(
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os.path.join(apps.get_app_config("commandegg").path, "management")
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)
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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(
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"Dave, my mind is going. I can feel it. I can feel it.\n", out.getvalue()
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)
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def test_calling_command_with_parameters_and_app_labels_at_the_end_should_be_ok(
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self,
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):
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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(
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"Dave, my mind is going. I can feel it. I can feel it.\n", out.getvalue()
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)
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def test_calling_a_command_with_no_app_labels_and_parameters_raise_command_error(
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self,
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):
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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(
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"transaction", stdout=StringIO(), no_color=True
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)
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self.assertTrue(
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output.strip().startswith(connection.ops.start_transaction_sql())
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)
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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(
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"django.core.management.base.BaseCommand.check"
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) 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(
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"django.core.management.base.BaseCommand.check"
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) 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(
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"required_option", need_me="foo", needme2="bar", stdout=out
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)
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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(
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"required_option", "--need-me=foo", needme2="bar", stdout=out
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)
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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(
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"mutually_exclusive_required", foo_name="foo", stdout=out
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)
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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_mutually_exclusive_group_required_with_same_dest_options(self):
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tests = [
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{"until": "2"},
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{"for": "1", "until": "2"},
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]
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msg = (
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"Cannot pass the dest 'until' that matches multiple arguments via "
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"**options."
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)
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for options in tests:
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with self.subTest(options=options):
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with self.assertRaisesMessage(TypeError, msg):
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management.call_command(
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"mutually_exclusive_required_with_same_dest",
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**options,
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)
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def test_mutually_exclusive_group_required_with_same_dest_args(self):
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tests = [
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("--until=1",),
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("--until", 1),
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("--for=1",),
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("--for", 1),
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]
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for args in tests:
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out = StringIO()
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with self.subTest(options=args):
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management.call_command(
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"mutually_exclusive_required_with_same_dest",
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*args,
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stdout=out,
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)
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output = out.getvalue()
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self.assertIn("until=1", output)
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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(
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"subparser_required", "foo_1", "foo_2", bar=12, stdout=out
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)
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self.assertIn("bar", out.getvalue())
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def test_subparser_invalid_option(self):
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msg = "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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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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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(
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"prog_name",
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"subcommand",
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epilog=epilog,
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formatter_class=ArgumentDefaultsHelpFormatter,
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)
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self.assertEqual(parser.epilog, epilog)
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self.assertEqual(parser.formatter_class, ArgumentDefaultsHelpFormatter)
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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(
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"settings.py",
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apps=["user_commands"],
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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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)
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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(
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"settings.py",
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apps=["django.contrib.staticfiles", "user_commands"],
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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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)
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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"],
|
|
["foo/bar/baz"],
|
|
["*/baz"],
|
|
["*"],
|
|
["b?z"],
|
|
["[abc]az"],
|
|
["*/ba[!z]/baz"],
|
|
)
|
|
for ignore_patterns in patterns:
|
|
with self.subTest(ignore_patterns=ignore_patterns):
|
|
self.assertIs(
|
|
is_ignored_path("foo/bar/baz", ignore_patterns=ignore_patterns),
|
|
True,
|
|
)
|
|
|
|
def test_is_ignored_path_false(self):
|
|
self.assertIs(
|
|
is_ignored_path(
|
|
"foo/bar/baz", ignore_patterns=["foo/bar/bat", "bar", "flub/blub"]
|
|
),
|
|
False,
|
|
)
|
|
|
|
def test_normalize_path_patterns_truncates_wildcard_base(self):
|
|
expected = [os.path.normcase(p) for p in ["foo/bar", "bar/*/"]]
|
|
self.assertEqual(normalize_path_patterns(["foo/bar/*", "bar/*/"]), expected)
|