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ab16507f19
DiscoverRunner.parallel is used in setup_databases() and
teardown_databases() to control the number of test databases.
Regression in cb6c19749d.
682 lines
28 KiB
Python
682 lines
28 KiB
Python
import logging
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import multiprocessing
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import os
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import unittest.loader
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from argparse import ArgumentParser
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from contextlib import contextmanager
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from importlib import import_module
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from unittest import TestSuite, TextTestRunner, defaultTestLoader, mock
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from django.db import connections
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from django.test import SimpleTestCase
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from django.test.runner import DiscoverRunner
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from django.test.utils import (
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NullTimeKeeper, TimeKeeper, captured_stderr, captured_stdout,
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)
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@contextmanager
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def change_cwd(directory):
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current_dir = os.path.abspath(os.path.dirname(__file__))
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new_dir = os.path.join(current_dir, directory)
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old_cwd = os.getcwd()
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os.chdir(new_dir)
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try:
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yield
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finally:
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os.chdir(old_cwd)
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@contextmanager
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def change_loader_patterns(patterns):
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original_patterns = DiscoverRunner.test_loader.testNamePatterns
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DiscoverRunner.test_loader.testNamePatterns = patterns
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try:
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yield
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finally:
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DiscoverRunner.test_loader.testNamePatterns = original_patterns
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# Isolate from the real environment.
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@mock.patch.dict(os.environ, {}, clear=True)
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@mock.patch.object(multiprocessing, 'cpu_count', return_value=12)
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# Python 3.8 on macOS defaults to 'spawn' mode.
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@mock.patch.object(multiprocessing, 'get_start_method', return_value='fork')
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class DiscoverRunnerParallelArgumentTests(SimpleTestCase):
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def get_parser(self):
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parser = ArgumentParser()
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DiscoverRunner.add_arguments(parser)
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return parser
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def test_parallel_default(self, *mocked_objects):
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result = self.get_parser().parse_args([])
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self.assertEqual(result.parallel, 0)
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def test_parallel_flag(self, *mocked_objects):
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result = self.get_parser().parse_args(['--parallel'])
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self.assertEqual(result.parallel, 12)
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def test_parallel_auto(self, *mocked_objects):
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result = self.get_parser().parse_args(['--parallel', 'auto'])
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self.assertEqual(result.parallel, 12)
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def test_parallel_count(self, *mocked_objects):
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result = self.get_parser().parse_args(['--parallel', '17'])
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self.assertEqual(result.parallel, 17)
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def test_parallel_invalid(self, *mocked_objects):
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with self.assertRaises(SystemExit), captured_stderr() as stderr:
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self.get_parser().parse_args(['--parallel', 'unaccepted'])
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msg = "argument --parallel: 'unaccepted' is not an integer or the string 'auto'"
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self.assertIn(msg, stderr.getvalue())
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@mock.patch.dict(os.environ, {'DJANGO_TEST_PROCESSES': '7'})
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def test_parallel_env_var(self, *mocked_objects):
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result = self.get_parser().parse_args([])
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self.assertEqual(result.parallel, 7)
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@mock.patch.dict(os.environ, {'DJANGO_TEST_PROCESSES': 'typo'})
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def test_parallel_env_var_non_int(self, *mocked_objects):
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with self.assertRaises(ValueError):
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self.get_parser().parse_args([])
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def test_parallel_spawn(self, mocked_get_start_method, mocked_cpu_count):
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mocked_get_start_method.return_value = 'spawn'
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result = self.get_parser().parse_args(['--parallel'])
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self.assertEqual(result.parallel, 1)
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class DiscoverRunnerTests(SimpleTestCase):
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@staticmethod
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def get_test_methods_names(suite):
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return [
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t.__class__.__name__ + '.' + t._testMethodName
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for t in suite._tests
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]
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def test_init_debug_mode(self):
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runner = DiscoverRunner()
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self.assertFalse(runner.debug_mode)
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def test_add_arguments_shuffle(self):
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parser = ArgumentParser()
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DiscoverRunner.add_arguments(parser)
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ns = parser.parse_args([])
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self.assertIs(ns.shuffle, False)
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ns = parser.parse_args(['--shuffle'])
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self.assertIsNone(ns.shuffle)
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ns = parser.parse_args(['--shuffle', '5'])
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self.assertEqual(ns.shuffle, 5)
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def test_add_arguments_debug_mode(self):
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parser = ArgumentParser()
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DiscoverRunner.add_arguments(parser)
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ns = parser.parse_args([])
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self.assertFalse(ns.debug_mode)
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ns = parser.parse_args(["--debug-mode"])
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self.assertTrue(ns.debug_mode)
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def test_setup_shuffler_no_shuffle_argument(self):
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runner = DiscoverRunner()
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self.assertIs(runner.shuffle, False)
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runner.setup_shuffler()
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self.assertIsNone(runner.shuffle_seed)
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def test_setup_shuffler_shuffle_none(self):
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runner = DiscoverRunner(shuffle=None)
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self.assertIsNone(runner.shuffle)
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with mock.patch('random.randint', return_value=1):
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with captured_stdout() as stdout:
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runner.setup_shuffler()
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self.assertEqual(stdout.getvalue(), 'Using shuffle seed: 1 (generated)\n')
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self.assertEqual(runner.shuffle_seed, 1)
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def test_setup_shuffler_shuffle_int(self):
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runner = DiscoverRunner(shuffle=2)
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self.assertEqual(runner.shuffle, 2)
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with captured_stdout() as stdout:
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runner.setup_shuffler()
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expected_out = 'Using shuffle seed: 2 (given)\n'
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self.assertEqual(stdout.getvalue(), expected_out)
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self.assertEqual(runner.shuffle_seed, 2)
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def test_load_tests_for_label_file_path(self):
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with change_cwd('.'):
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msg = (
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"One of the test labels is a path to a file: "
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"'test_discover_runner.py', which is not supported. Use a "
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"dotted module name or path to a directory instead."
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)
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with self.assertRaisesMessage(RuntimeError, msg):
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DiscoverRunner().load_tests_for_label('test_discover_runner.py', {})
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def test_dotted_test_module(self):
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count = DiscoverRunner(verbosity=0).build_suite(
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['test_runner_apps.sample.tests_sample'],
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).countTestCases()
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self.assertEqual(count, 4)
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def test_dotted_test_class_vanilla_unittest(self):
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count = DiscoverRunner(verbosity=0).build_suite(
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['test_runner_apps.sample.tests_sample.TestVanillaUnittest'],
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).countTestCases()
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self.assertEqual(count, 1)
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def test_dotted_test_class_django_testcase(self):
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count = DiscoverRunner(verbosity=0).build_suite(
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['test_runner_apps.sample.tests_sample.TestDjangoTestCase'],
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).countTestCases()
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self.assertEqual(count, 1)
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def test_dotted_test_method_django_testcase(self):
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count = DiscoverRunner(verbosity=0).build_suite(
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['test_runner_apps.sample.tests_sample.TestDjangoTestCase.test_sample'],
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).countTestCases()
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self.assertEqual(count, 1)
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def test_pattern(self):
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count = DiscoverRunner(
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pattern="*_tests.py",
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verbosity=0,
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).build_suite(['test_runner_apps.sample']).countTestCases()
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self.assertEqual(count, 1)
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def test_name_patterns(self):
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all_test_1 = [
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'DjangoCase1.test_1', 'DjangoCase2.test_1',
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'SimpleCase1.test_1', 'SimpleCase2.test_1',
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'UnittestCase1.test_1', 'UnittestCase2.test_1',
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]
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all_test_2 = [
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'DjangoCase1.test_2', 'DjangoCase2.test_2',
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'SimpleCase1.test_2', 'SimpleCase2.test_2',
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'UnittestCase1.test_2', 'UnittestCase2.test_2',
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]
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all_tests = sorted([*all_test_1, *all_test_2, 'UnittestCase2.test_3_test'])
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for pattern, expected in [
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[['test_1'], all_test_1],
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[['UnittestCase1'], ['UnittestCase1.test_1', 'UnittestCase1.test_2']],
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[['*test'], ['UnittestCase2.test_3_test']],
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[['test*'], all_tests],
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[['test'], all_tests],
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[['test_1', 'test_2'], sorted([*all_test_1, *all_test_2])],
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[['test*1'], all_test_1],
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]:
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with self.subTest(pattern):
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suite = DiscoverRunner(
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test_name_patterns=pattern,
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verbosity=0,
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).build_suite(['test_runner_apps.simple'])
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self.assertEqual(expected, self.get_test_methods_names(suite))
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def test_loader_patterns_not_mutated(self):
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runner = DiscoverRunner(test_name_patterns=['test_sample'], verbosity=0)
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tests = [
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('test_runner_apps.sample.tests', 1),
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('test_runner_apps.sample.tests.Test.test_sample', 1),
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('test_runner_apps.sample.empty', 0),
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('test_runner_apps.sample.tests_sample.EmptyTestCase', 0),
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]
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for test_labels, tests_count in tests:
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with self.subTest(test_labels=test_labels):
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with change_loader_patterns(['UnittestCase1']):
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count = runner.build_suite([test_labels]).countTestCases()
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self.assertEqual(count, tests_count)
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self.assertEqual(runner.test_loader.testNamePatterns, ['UnittestCase1'])
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def test_loader_patterns_not_mutated_when_test_label_is_file_path(self):
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runner = DiscoverRunner(test_name_patterns=['test_sample'], verbosity=0)
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with change_cwd('.'), change_loader_patterns(['UnittestCase1']):
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with self.assertRaises(RuntimeError):
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runner.build_suite(['test_discover_runner.py'])
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self.assertEqual(runner.test_loader.testNamePatterns, ['UnittestCase1'])
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def test_file_path(self):
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with change_cwd(".."):
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count = DiscoverRunner(verbosity=0).build_suite(
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['test_runner_apps/sample/'],
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).countTestCases()
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self.assertEqual(count, 5)
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def test_empty_label(self):
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"""
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If the test label is empty, discovery should happen on the current
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working directory.
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"""
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with change_cwd("."):
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suite = DiscoverRunner(verbosity=0).build_suite([])
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self.assertEqual(
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suite._tests[0].id().split(".")[0],
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os.path.basename(os.getcwd()),
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)
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def test_empty_test_case(self):
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count = DiscoverRunner(verbosity=0).build_suite(
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['test_runner_apps.sample.tests_sample.EmptyTestCase'],
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).countTestCases()
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self.assertEqual(count, 0)
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def test_discovery_on_package(self):
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count = DiscoverRunner(verbosity=0).build_suite(
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['test_runner_apps.sample.tests'],
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).countTestCases()
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self.assertEqual(count, 1)
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def test_ignore_adjacent(self):
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"""
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When given a dotted path to a module, unittest discovery searches
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not just the module, but also the directory containing the module.
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This results in tests from adjacent modules being run when they
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should not. The discover runner avoids this behavior.
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"""
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count = DiscoverRunner(verbosity=0).build_suite(
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['test_runner_apps.sample.empty'],
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).countTestCases()
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self.assertEqual(count, 0)
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def test_testcase_ordering(self):
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with change_cwd(".."):
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suite = DiscoverRunner(verbosity=0).build_suite(['test_runner_apps/sample/'])
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self.assertEqual(
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suite._tests[0].__class__.__name__,
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'TestDjangoTestCase',
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msg="TestDjangoTestCase should be the first test case")
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self.assertEqual(
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suite._tests[1].__class__.__name__,
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'TestZimpleTestCase',
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msg="TestZimpleTestCase should be the second test case")
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# All others can follow in unspecified order, including doctests
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self.assertIn('DocTestCase', [t.__class__.__name__ for t in suite._tests[2:]])
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def test_duplicates_ignored(self):
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"""
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Tests shouldn't be discovered twice when discovering on overlapping paths.
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"""
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base_app = 'forms_tests'
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sub_app = 'forms_tests.field_tests'
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runner = DiscoverRunner(verbosity=0)
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with self.modify_settings(INSTALLED_APPS={'append': sub_app}):
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single = runner.build_suite([base_app]).countTestCases()
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dups = runner.build_suite([base_app, sub_app]).countTestCases()
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self.assertEqual(single, dups)
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def test_reverse(self):
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"""
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Reverse should reorder tests while maintaining the grouping specified
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by ``DiscoverRunner.reorder_by``.
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"""
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runner = DiscoverRunner(reverse=True, verbosity=0)
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suite = runner.build_suite(
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test_labels=('test_runner_apps.sample', 'test_runner_apps.simple'))
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self.assertIn('test_runner_apps.simple', next(iter(suite)).id(),
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msg="Test labels should be reversed.")
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suite = runner.build_suite(test_labels=('test_runner_apps.simple',))
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suite = tuple(suite)
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self.assertIn('DjangoCase', suite[0].id(),
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msg="Test groups should not be reversed.")
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self.assertIn('SimpleCase', suite[4].id(),
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msg="Test groups order should be preserved.")
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self.assertIn('DjangoCase2', suite[0].id(),
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msg="Django test cases should be reversed.")
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self.assertIn('SimpleCase2', suite[4].id(),
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msg="Simple test cases should be reversed.")
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self.assertIn('UnittestCase2', suite[8].id(),
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msg="Unittest test cases should be reversed.")
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self.assertIn('test_2', suite[0].id(),
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msg="Methods of Django cases should be reversed.")
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self.assertIn('test_2', suite[4].id(),
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msg="Methods of simple cases should be reversed.")
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self.assertIn('test_2', suite[9].id(),
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msg="Methods of unittest cases should be reversed.")
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def test_build_suite_failed_tests_first(self):
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# The "doesnotexist" label results in a _FailedTest instance.
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suite = DiscoverRunner(verbosity=0).build_suite(
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test_labels=['test_runner_apps.sample', 'doesnotexist'],
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)
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tests = list(suite)
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self.assertIsInstance(tests[0], unittest.loader._FailedTest)
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self.assertNotIsInstance(tests[-1], unittest.loader._FailedTest)
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def test_build_suite_shuffling(self):
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# These will result in unittest.loader._FailedTest instances rather
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# than TestCase objects, but they are sufficient for testing.
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labels = ['label1', 'label2', 'label3', 'label4']
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cases = [
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({}, ['label1', 'label2', 'label3', 'label4']),
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({'reverse': True}, ['label4', 'label3', 'label2', 'label1']),
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({'shuffle': 8}, ['label4', 'label1', 'label3', 'label2']),
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({'shuffle': 8, 'reverse': True}, ['label2', 'label3', 'label1', 'label4']),
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]
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for kwargs, expected in cases:
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with self.subTest(kwargs=kwargs):
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# Prevent writing the seed to stdout.
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runner = DiscoverRunner(**kwargs, verbosity=0)
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tests = runner.build_suite(test_labels=labels)
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# The ids have the form "unittest.loader._FailedTest.label1".
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names = [test.id().split('.')[-1] for test in tests]
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self.assertEqual(names, expected)
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def test_overridable_get_test_runner_kwargs(self):
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self.assertIsInstance(DiscoverRunner().get_test_runner_kwargs(), dict)
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def test_overridable_test_suite(self):
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self.assertEqual(DiscoverRunner().test_suite, TestSuite)
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def test_overridable_test_runner(self):
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self.assertEqual(DiscoverRunner().test_runner, TextTestRunner)
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def test_overridable_test_loader(self):
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self.assertEqual(DiscoverRunner().test_loader, defaultTestLoader)
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def test_tags(self):
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runner = DiscoverRunner(tags=['core'], verbosity=0)
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self.assertEqual(runner.build_suite(['test_runner_apps.tagged.tests']).countTestCases(), 1)
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runner = DiscoverRunner(tags=['fast'], verbosity=0)
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self.assertEqual(runner.build_suite(['test_runner_apps.tagged.tests']).countTestCases(), 2)
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runner = DiscoverRunner(tags=['slow'], verbosity=0)
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self.assertEqual(runner.build_suite(['test_runner_apps.tagged.tests']).countTestCases(), 2)
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def test_exclude_tags(self):
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runner = DiscoverRunner(tags=['fast'], exclude_tags=['core'], verbosity=0)
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self.assertEqual(runner.build_suite(['test_runner_apps.tagged.tests']).countTestCases(), 1)
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runner = DiscoverRunner(tags=['fast'], exclude_tags=['slow'], verbosity=0)
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self.assertEqual(runner.build_suite(['test_runner_apps.tagged.tests']).countTestCases(), 0)
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runner = DiscoverRunner(exclude_tags=['slow'], verbosity=0)
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self.assertEqual(runner.build_suite(['test_runner_apps.tagged.tests']).countTestCases(), 0)
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def test_tag_inheritance(self):
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def count_tests(**kwargs):
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kwargs.setdefault('verbosity', 0)
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suite = DiscoverRunner(**kwargs).build_suite(['test_runner_apps.tagged.tests_inheritance'])
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return suite.countTestCases()
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self.assertEqual(count_tests(tags=['foo']), 4)
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self.assertEqual(count_tests(tags=['bar']), 2)
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self.assertEqual(count_tests(tags=['baz']), 2)
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self.assertEqual(count_tests(tags=['foo'], exclude_tags=['bar']), 2)
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self.assertEqual(count_tests(tags=['foo'], exclude_tags=['bar', 'baz']), 1)
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self.assertEqual(count_tests(exclude_tags=['foo']), 0)
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def test_tag_fail_to_load(self):
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with self.assertRaises(SyntaxError):
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import_module('test_runner_apps.tagged.tests_syntax_error')
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runner = DiscoverRunner(tags=['syntax_error'], verbosity=0)
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# A label that doesn't exist or cannot be loaded due to syntax errors
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# is always considered matching.
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suite = runner.build_suite(['doesnotexist', 'test_runner_apps.tagged'])
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self.assertEqual([test.id() for test in suite], [
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'unittest.loader._FailedTest.doesnotexist',
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'unittest.loader._FailedTest.test_runner_apps.tagged.tests_syntax_error',
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])
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def test_included_tags_displayed(self):
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runner = DiscoverRunner(tags=['foo', 'bar'], verbosity=2)
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with captured_stdout() as stdout:
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runner.build_suite(['test_runner_apps.tagged.tests'])
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self.assertIn('Including test tag(s): bar, foo.\n', stdout.getvalue())
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def test_excluded_tags_displayed(self):
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runner = DiscoverRunner(exclude_tags=['foo', 'bar'], verbosity=3)
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with captured_stdout() as stdout:
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runner.build_suite(['test_runner_apps.tagged.tests'])
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self.assertIn('Excluding test tag(s): bar, foo.\n', stdout.getvalue())
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def test_number_of_tests_found_displayed(self):
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runner = DiscoverRunner()
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with captured_stdout() as stdout:
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runner.build_suite([
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'test_runner_apps.sample.tests_sample.TestDjangoTestCase',
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'test_runner_apps.simple',
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])
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self.assertIn('Found 14 test(s).\n', stdout.getvalue())
|
|
|
|
def test_pdb_with_parallel(self):
|
|
msg = (
|
|
'You cannot use --pdb with parallel tests; pass --parallel=1 to '
|
|
'use it.'
|
|
)
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
DiscoverRunner(pdb=True, parallel=2)
|
|
|
|
def test_number_of_parallel_workers(self):
|
|
"""Number of processes doesn't exceed the number of TestCases."""
|
|
runner = DiscoverRunner(parallel=5, verbosity=0)
|
|
suite = runner.build_suite(['test_runner_apps.tagged'])
|
|
self.assertEqual(suite.processes, len(suite.subsuites))
|
|
|
|
def test_number_of_databases_parallel_test_suite(self):
|
|
"""
|
|
Number of databases doesn't exceed the number of TestCases with
|
|
parallel tests.
|
|
"""
|
|
runner = DiscoverRunner(parallel=8, verbosity=0)
|
|
suite = runner.build_suite(['test_runner_apps.tagged'])
|
|
self.assertEqual(suite.processes, len(suite.subsuites))
|
|
self.assertEqual(runner.parallel, suite.processes)
|
|
|
|
def test_number_of_databases_no_parallel_test_suite(self):
|
|
"""
|
|
Number of databases doesn't exceed the number of TestCases with
|
|
non-parallel tests.
|
|
"""
|
|
runner = DiscoverRunner(parallel=8, verbosity=0)
|
|
suite = runner.build_suite(['test_runner_apps.simple.tests.DjangoCase1'])
|
|
self.assertEqual(runner.parallel, 1)
|
|
self.assertIsInstance(suite, TestSuite)
|
|
|
|
def test_buffer_mode_test_pass(self):
|
|
runner = DiscoverRunner(buffer=True, verbosity=0)
|
|
with captured_stdout() as stdout, captured_stderr() as stderr:
|
|
suite = runner.build_suite([
|
|
'test_runner_apps.buffer.tests_buffer.WriteToStdoutStderrTestCase.test_pass',
|
|
])
|
|
runner.run_suite(suite)
|
|
self.assertNotIn('Write to stderr.', stderr.getvalue())
|
|
self.assertNotIn('Write to stdout.', stdout.getvalue())
|
|
|
|
def test_buffer_mode_test_fail(self):
|
|
runner = DiscoverRunner(buffer=True, verbosity=0)
|
|
with captured_stdout() as stdout, captured_stderr() as stderr:
|
|
suite = runner.build_suite([
|
|
'test_runner_apps.buffer.tests_buffer.WriteToStdoutStderrTestCase.test_fail',
|
|
])
|
|
runner.run_suite(suite)
|
|
self.assertIn('Write to stderr.', stderr.getvalue())
|
|
self.assertIn('Write to stdout.', stdout.getvalue())
|
|
|
|
def run_suite_with_runner(self, runner_class, **kwargs):
|
|
class MyRunner(DiscoverRunner):
|
|
def test_runner(self, *args, **kwargs):
|
|
return runner_class()
|
|
|
|
runner = MyRunner(**kwargs)
|
|
# Suppress logging "Using shuffle seed" to the console.
|
|
with captured_stdout():
|
|
runner.setup_shuffler()
|
|
with captured_stdout() as stdout:
|
|
try:
|
|
result = runner.run_suite(None)
|
|
except RuntimeError as exc:
|
|
result = str(exc)
|
|
output = stdout.getvalue()
|
|
return result, output
|
|
|
|
def test_run_suite_logs_seed(self):
|
|
class TestRunner:
|
|
def run(self, suite):
|
|
return '<fake-result>'
|
|
|
|
expected_prefix = 'Used shuffle seed'
|
|
# Test with and without shuffling enabled.
|
|
result, output = self.run_suite_with_runner(TestRunner)
|
|
self.assertEqual(result, '<fake-result>')
|
|
self.assertNotIn(expected_prefix, output)
|
|
|
|
result, output = self.run_suite_with_runner(TestRunner, shuffle=2)
|
|
self.assertEqual(result, '<fake-result>')
|
|
expected_output = f'{expected_prefix}: 2 (given)\n'
|
|
self.assertEqual(output, expected_output)
|
|
|
|
def test_run_suite_logs_seed_exception(self):
|
|
"""
|
|
run_suite() logs the seed when TestRunner.run() raises an exception.
|
|
"""
|
|
class TestRunner:
|
|
def run(self, suite):
|
|
raise RuntimeError('my exception')
|
|
|
|
result, output = self.run_suite_with_runner(TestRunner, shuffle=2)
|
|
self.assertEqual(result, 'my exception')
|
|
expected_output = 'Used shuffle seed: 2 (given)\n'
|
|
self.assertEqual(output, expected_output)
|
|
|
|
@mock.patch('faulthandler.enable')
|
|
def test_faulthandler_enabled(self, mocked_enable):
|
|
with mock.patch('faulthandler.is_enabled', return_value=False):
|
|
DiscoverRunner(enable_faulthandler=True)
|
|
mocked_enable.assert_called()
|
|
|
|
@mock.patch('faulthandler.enable')
|
|
def test_faulthandler_already_enabled(self, mocked_enable):
|
|
with mock.patch('faulthandler.is_enabled', return_value=True):
|
|
DiscoverRunner(enable_faulthandler=True)
|
|
mocked_enable.assert_not_called()
|
|
|
|
@mock.patch('faulthandler.enable')
|
|
def test_faulthandler_enabled_fileno(self, mocked_enable):
|
|
# sys.stderr that is not an actual file.
|
|
with mock.patch('faulthandler.is_enabled', return_value=False), captured_stderr():
|
|
DiscoverRunner(enable_faulthandler=True)
|
|
mocked_enable.assert_called()
|
|
|
|
@mock.patch('faulthandler.enable')
|
|
def test_faulthandler_disabled(self, mocked_enable):
|
|
with mock.patch('faulthandler.is_enabled', return_value=False):
|
|
DiscoverRunner(enable_faulthandler=False)
|
|
mocked_enable.assert_not_called()
|
|
|
|
def test_timings_not_captured(self):
|
|
runner = DiscoverRunner(timing=False)
|
|
with captured_stderr() as stderr:
|
|
with runner.time_keeper.timed('test'):
|
|
pass
|
|
runner.time_keeper.print_results()
|
|
self.assertIsInstance(runner.time_keeper, NullTimeKeeper)
|
|
self.assertNotIn('test', stderr.getvalue())
|
|
|
|
def test_timings_captured(self):
|
|
runner = DiscoverRunner(timing=True)
|
|
with captured_stderr() as stderr:
|
|
with runner.time_keeper.timed('test'):
|
|
pass
|
|
runner.time_keeper.print_results()
|
|
self.assertIsInstance(runner.time_keeper, TimeKeeper)
|
|
self.assertIn('test', stderr.getvalue())
|
|
|
|
def test_log(self):
|
|
custom_low_level = 5
|
|
custom_high_level = 45
|
|
msg = 'logging message'
|
|
cases = [
|
|
(0, None, False),
|
|
(0, custom_low_level, False),
|
|
(0, logging.DEBUG, False),
|
|
(0, logging.INFO, False),
|
|
(0, logging.WARNING, False),
|
|
(0, custom_high_level, False),
|
|
(1, None, True),
|
|
(1, custom_low_level, False),
|
|
(1, logging.DEBUG, False),
|
|
(1, logging.INFO, True),
|
|
(1, logging.WARNING, True),
|
|
(1, custom_high_level, True),
|
|
(2, None, True),
|
|
(2, custom_low_level, True),
|
|
(2, logging.DEBUG, True),
|
|
(2, logging.INFO, True),
|
|
(2, logging.WARNING, True),
|
|
(2, custom_high_level, True),
|
|
(3, None, True),
|
|
(3, custom_low_level, True),
|
|
(3, logging.DEBUG, True),
|
|
(3, logging.INFO, True),
|
|
(3, logging.WARNING, True),
|
|
(3, custom_high_level, True),
|
|
]
|
|
for verbosity, level, output in cases:
|
|
with self.subTest(verbosity=verbosity, level=level):
|
|
with captured_stdout() as stdout:
|
|
runner = DiscoverRunner(verbosity=verbosity)
|
|
runner.log(msg, level)
|
|
self.assertEqual(stdout.getvalue(), f'{msg}\n' if output else '')
|
|
|
|
|
|
class DiscoverRunnerGetDatabasesTests(SimpleTestCase):
|
|
runner = DiscoverRunner(verbosity=2)
|
|
skip_msg = 'Skipping setup of unused database(s): '
|
|
|
|
def get_databases(self, test_labels):
|
|
with captured_stdout() as stdout:
|
|
suite = self.runner.build_suite(test_labels)
|
|
databases = self.runner.get_databases(suite)
|
|
return databases, stdout.getvalue()
|
|
|
|
def assertSkippedDatabases(self, test_labels, expected_databases):
|
|
databases, output = self.get_databases(test_labels)
|
|
self.assertEqual(databases, expected_databases)
|
|
skipped_databases = set(connections) - set(expected_databases)
|
|
if skipped_databases:
|
|
self.assertIn(self.skip_msg + ', '.join(sorted(skipped_databases)), output)
|
|
else:
|
|
self.assertNotIn(self.skip_msg, output)
|
|
|
|
def test_mixed(self):
|
|
databases, output = self.get_databases(['test_runner_apps.databases.tests'])
|
|
self.assertEqual(databases, {'default': True, 'other': False})
|
|
self.assertNotIn(self.skip_msg, output)
|
|
|
|
def test_all(self):
|
|
databases, output = self.get_databases(['test_runner_apps.databases.tests.AllDatabasesTests'])
|
|
self.assertEqual(databases, {alias: False for alias in connections})
|
|
self.assertNotIn(self.skip_msg, output)
|
|
|
|
def test_default_and_other(self):
|
|
self.assertSkippedDatabases([
|
|
'test_runner_apps.databases.tests.DefaultDatabaseTests',
|
|
'test_runner_apps.databases.tests.OtherDatabaseTests',
|
|
], {'default': False, 'other': False})
|
|
|
|
def test_default_only(self):
|
|
self.assertSkippedDatabases([
|
|
'test_runner_apps.databases.tests.DefaultDatabaseTests',
|
|
], {'default': False})
|
|
|
|
def test_other_only(self):
|
|
self.assertSkippedDatabases([
|
|
'test_runner_apps.databases.tests.OtherDatabaseTests'
|
|
], {'other': False})
|
|
|
|
def test_no_databases_required(self):
|
|
self.assertSkippedDatabases([
|
|
'test_runner_apps.databases.tests.NoDatabaseTests'
|
|
], {})
|
|
|
|
def test_serialize(self):
|
|
databases, _ = self.get_databases([
|
|
'test_runner_apps.databases.tests.DefaultDatabaseSerializedTests'
|
|
])
|
|
self.assertEqual(databases, {'default': True})
|