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Code Issues 32 Releases Wiki Activity

Fixed #28478 -- Make DiscoverRunner skip creating unused test databases.

Browse Source 
SimpleTestCase.databases makes it possible to determine the set of
databases required to run the discovered tests.
This commit is contained in:
Simon Charette
2018-07-12 00:14:24 -04:00
committed by Tim Graham
parent 8c775391b7
commit 41e73de39d
8 changed files with 115 additions and 13 deletions
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45
tests/test_runner/test_discover_runner.py
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@@ -3,6 +3,7 @@ from argparse import ArgumentParser
from contextlib import contextmanager
from unittest import TestSuite, TextTestRunner, defaultTestLoader
from django.db import connections
from django.test import SimpleTestCase
from django.test.runner import DiscoverRunner
from django.test.utils import captured_stdout
@@ -223,3 +224,47 @@ class DiscoverRunnerTests(SimpleTestCase):
with captured_stdout() as stdout:
runner.build_suite(['test_runner_apps.tagged.tests'])
self.assertIn('Excluding test tag(s): bar, foo.\n', stdout.getvalue())
class DiscoverRunnerGetDatabasesTests(SimpleTestCase):
runner = DiscoverRunner(verbosity=2)
skip_msg = 'Skipping setup of unused database(s): '
def get_databases(self, test_labels):
suite = self.runner.build_suite(test_labels)
with captured_stdout() as stdout:
databases = self.runner.get_databases(suite)
return databases, stdout.getvalue()
def test_mixed(self):
databases, output = self.get_databases(['test_runner_apps.databases.tests'])
self.assertEqual(databases, set(connections))
self.assertNotIn(self.skip_msg, output)
def test_all(self):
databases, output = self.get_databases(['test_runner_apps.databases.tests.AllDatabasesTests'])
self.assertEqual(databases, set(connections))
self.assertNotIn(self.skip_msg, output)
def test_default_and_other(self):
databases, output = self.get_databases([
'test_runner_apps.databases.tests.DefaultDatabaseTests',
'test_runner_apps.databases.tests.OtherDatabaseTests',
])
self.assertEqual(databases, set(connections))
self.assertNotIn(self.skip_msg, output)
def test_default_only(self):
databases, output = self.get_databases(['test_runner_apps.databases.tests.DefaultDatabaseTests'])
self.assertEqual(databases, {'default'})
self.assertIn(self.skip_msg + 'other', output)
def test_other_only(self):
databases, output = self.get_databases(['test_runner_apps.databases.tests.OtherDatabaseTests'])
self.assertEqual(databases, {'other'})
self.assertIn(self.skip_msg + 'default', output)
def test_no_databases_required(self):
databases, output = self.get_databases(['test_runner_apps.databases.tests.NoDatabaseTests'])
self.assertEqual(databases, set())
self.assertIn(self.skip_msg + 'default, other', output)