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164 lines
6.5 KiB
Python
164 lines
6.5 KiB
Python
import os
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import sys
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import warnings
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from django.db import connection
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from django.core import management
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from django.core.management import BaseCommand, CommandError
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from django.core.management.utils import find_command, popen_wrapper
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from django.test import SimpleTestCase
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from django.utils import translation
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from django.utils.deprecation import RemovedInDjango20Warning
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from django.utils.six import StringIO
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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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out = StringIO()
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with translation.override('fr'):
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management.call_command('dance', stdout=out)
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self.assertEqual(translation.get_language(), 'fr')
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def test_explode(self):
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""" Test that an unknown command raises CommandError """
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self.assertRaises(CommandError, 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):
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management.call_command('dance', example="raise")
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old_stderr = sys.stderr
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sys.stderr = err = StringIO()
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try:
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with self.assertRaises(SystemExit):
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management.ManagementUtility(['manage.py', 'dance', '--example=raise']).execute()
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finally:
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sys.stderr = old_stderr
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self.assertIn("CommandError", err.getvalue())
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def test_default_en_us_locale_set(self):
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# Forces en_us when set to true
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out = StringIO()
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with translation.override('pl'):
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management.call_command('leave_locale_alone_false', stdout=out)
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self.assertEqual(out.getvalue(), "en-us\n")
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def test_configured_locale_preserved(self):
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# Leaves locale from settings when set to false
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out = StringIO()
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with translation.override('pl'):
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management.call_command('leave_locale_alone_true', stdout=out)
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self.assertEqual(out.getvalue(), "pl\n")
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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_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_optparse_compatibility(self):
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"""
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optparse should be supported during Django 1.8/1.9 releases.
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"""
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out = StringIO()
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with warnings.catch_warnings():
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warnings.filterwarnings("ignore", category=RemovedInDjango20Warning)
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management.call_command('optparse_cmd', stdout=out)
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self.assertEqual(out.getvalue(), "All right, let's dance Rock'n'Roll.\n")
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# Simulate command line execution
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old_stdout, old_stderr = sys.stdout, sys.stderr
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sys.stdout, sys.stderr = StringIO(), StringIO()
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try:
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management.execute_from_command_line(['django-admin', 'optparse_cmd'])
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finally:
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output = sys.stdout.getvalue()
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sys.stdout, sys.stderr = old_stdout, old_stderr
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self.assertEqual(output, "All right, let's dance Rock'n'Roll.\n")
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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.assertIn("Dave, I can't do that.\n", out.getvalue())
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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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out = StringIO()
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with self.assertRaises(CommandError):
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management.call_command('hal', stdout=out)
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def test_output_transaction(self):
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out = StringIO()
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management.call_command('transaction', stdout=out, no_color=True)
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output = out.getvalue().strip()
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self.assertTrue(output.startswith(connection.ops.start_transaction_sql()))
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self.assertTrue(output.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 = self.counter + 1
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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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finally:
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BaseCommand.check = saved_check
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class UtilsTests(SimpleTestCase):
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def test_no_existent_external_program(self):
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self.assertRaises(CommandError, popen_wrapper, ['a_42_command_that_doesnt_exist_42'])
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