""" Tests for django test runner """ from __future__ import unicode_literals from optparse import make_option import types import unittest from django.core.exceptions import ImproperlyConfigured from django.core.management import call_command from django import db from django.test import runner, TestCase, TransactionTestCase, skipUnlessDBFeature from django.test.testcases import connections_support_transactions from django.test.utils import IgnoreAllDeprecationWarningsMixin, override_system_checks from admin_scripts.tests import AdminScriptTestCase from .models import Person class DependencyOrderingTests(unittest.TestCase): def test_simple_dependencies(self): raw = [ ('s1', ('s1_db', ['alpha'])), ('s2', ('s2_db', ['bravo'])), ('s3', ('s3_db', ['charlie'])), ] dependencies = { 'alpha': ['charlie'], 'bravo': ['charlie'], } ordered = runner.dependency_ordered(raw, dependencies=dependencies) ordered_sigs = [sig for sig, value in ordered] self.assertIn('s1', ordered_sigs) self.assertIn('s2', ordered_sigs) self.assertIn('s3', ordered_sigs) self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s1')) self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s2')) def test_chained_dependencies(self): raw = [ ('s1', ('s1_db', ['alpha'])), ('s2', ('s2_db', ['bravo'])), ('s3', ('s3_db', ['charlie'])), ] dependencies = { 'alpha': ['bravo'], 'bravo': ['charlie'], } ordered = runner.dependency_ordered(raw, dependencies=dependencies) ordered_sigs = [sig for sig, value in ordered] self.assertIn('s1', ordered_sigs) self.assertIn('s2', ordered_sigs) self.assertIn('s3', ordered_sigs) # Explicit dependencies self.assertLess(ordered_sigs.index('s2'), ordered_sigs.index('s1')) self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s2')) # Implied dependencies self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s1')) def test_multiple_dependencies(self): raw = [ ('s1', ('s1_db', ['alpha'])), ('s2', ('s2_db', ['bravo'])), ('s3', ('s3_db', ['charlie'])), ('s4', ('s4_db', ['delta'])), ] dependencies = { 'alpha': ['bravo', 'delta'], 'bravo': ['charlie'], 'delta': ['charlie'], } ordered = runner.dependency_ordered(raw, dependencies=dependencies) ordered_sigs = [sig for sig, aliases in ordered] self.assertIn('s1', ordered_sigs) self.assertIn('s2', ordered_sigs) self.assertIn('s3', ordered_sigs) self.assertIn('s4', ordered_sigs) # Explicit dependencies self.assertLess(ordered_sigs.index('s2'), ordered_sigs.index('s1')) self.assertLess(ordered_sigs.index('s4'), ordered_sigs.index('s1')) self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s2')) self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s4')) # Implicit dependencies self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s1')) def test_circular_dependencies(self): raw = [ ('s1', ('s1_db', ['alpha'])), ('s2', ('s2_db', ['bravo'])), ] dependencies = { 'bravo': ['alpha'], 'alpha': ['bravo'], } self.assertRaises(ImproperlyConfigured, runner.dependency_ordered, raw, dependencies=dependencies) def test_own_alias_dependency(self): raw = [ ('s1', ('s1_db', ['alpha', 'bravo'])) ] dependencies = { 'alpha': ['bravo'] } with self.assertRaises(ImproperlyConfigured): runner.dependency_ordered(raw, dependencies=dependencies) # reordering aliases shouldn't matter raw = [ ('s1', ('s1_db', ['bravo', 'alpha'])) ] with self.assertRaises(ImproperlyConfigured): runner.dependency_ordered(raw, dependencies=dependencies) class MockTestRunner(object): invoked = False def __init__(self, *args, **kwargs): pass def run_tests(self, test_labels, extra_tests=None, **kwargs): MockTestRunner.invoked = True class ManageCommandTests(unittest.TestCase): def test_custom_test_runner(self): call_command('test', 'sites', testrunner='test_runner.tests.MockTestRunner') self.assertTrue(MockTestRunner.invoked, "The custom test runner has not been invoked") def test_bad_test_runner(self): with self.assertRaises(AttributeError): call_command('test', 'sites', testrunner='test_runner.NonExistentRunner') class CustomOptionsTestRunner(runner.DiscoverRunner): option_list = ( make_option('--option_a', '-a', action='store', dest='option_a', default='1'), make_option('--option_b', '-b', action='store', dest='option_b', default='2'), make_option('--option_c', '-c', action='store', dest='option_c', default='3'), ) def __init__(self, verbosity=1, interactive=True, failfast=True, option_a=None, option_b=None, option_c=None, **kwargs): super(CustomOptionsTestRunner, self).__init__(verbosity=verbosity, interactive=interactive, failfast=failfast) self.option_a = option_a self.option_b = option_b self.option_c = option_c def run_tests(self, test_labels, extra_tests=None, **kwargs): print("%s:%s:%s" % (self.option_a, self.option_b, self.option_c)) class CustomTestRunnerOptionsTests(AdminScriptTestCase): def setUp(self): settings = { 'TEST_RUNNER': '\'test_runner.tests.CustomOptionsTestRunner\'', } self.write_settings('settings.py', sdict=settings) def tearDown(self): self.remove_settings('settings.py') def test_default_options(self): args = ['test', '--settings=test_project.settings'] out, err = self.run_django_admin(args) self.assertNoOutput(err) self.assertOutput(out, '1:2:3') def test_default_and_given_options(self): args = ['test', '--settings=test_project.settings', '--option_b=foo'] out, err = self.run_django_admin(args) self.assertNoOutput(err) self.assertOutput(out, '1:foo:3') def test_option_name_and_value_separated(self): args = ['test', '--settings=test_project.settings', '--option_b', 'foo'] out, err = self.run_django_admin(args) self.assertNoOutput(err) self.assertOutput(out, '1:foo:3') def test_all_options_given(self): args = ['test', '--settings=test_project.settings', '--option_a=bar', '--option_b=foo', '--option_c=31337'] out, err = self.run_django_admin(args) self.assertNoOutput(err) self.assertOutput(out, 'bar:foo:31337') class Ticket17477RegressionTests(AdminScriptTestCase): def setUp(self): self.write_settings('settings.py') def tearDown(self): self.remove_settings('settings.py') def test_ticket_17477(self): """'manage.py help test' works after r16352.""" args = ['help', 'test'] out, err = self.run_manage(args) self.assertNoOutput(err) class ModulesTestsPackages(IgnoreAllDeprecationWarningsMixin, unittest.TestCase): def test_get_tests(self): "Check that the get_tests helper function can find tests in a directory" from django.apps import AppConfig from django.test.simple import get_tests app_config = AppConfig.create('test_runner.valid_app') app_config.import_models({}) tests = get_tests(app_config) self.assertIsInstance(tests, types.ModuleType) def test_import_error(self): "Test for #12658 - Tests with ImportError's shouldn't fail silently" from django.apps import AppConfig from django.test.simple import get_tests app_config = AppConfig.create('test_runner_invalid_app') app_config.import_models({}) with self.assertRaises(ImportError): get_tests(app_config) class Sqlite3InMemoryTestDbs(TestCase): available_apps = [] # `setup_databases` triggers system check framework, but we do not want to # perform checks. @override_system_checks([]) @unittest.skipUnless(all(db.connections[conn].vendor == 'sqlite' for conn in db.connections), "This is an sqlite-specific issue") def test_transaction_support(self): """Ticket #16329: sqlite3 in-memory test databases""" old_db_connections = db.connections for option in ('NAME', 'TEST_NAME'): try: db.connections = db.ConnectionHandler({ 'default': { 'ENGINE': 'django.db.backends.sqlite3', option: ':memory:', }, 'other': { 'ENGINE': 'django.db.backends.sqlite3', option: ':memory:', }, }) other = db.connections['other'] runner.DiscoverRunner(verbosity=0).setup_databases() msg = "DATABASES setting '%s' option set to sqlite3's ':memory:' value shouldn't interfere with transaction support detection." % option # Transaction support should be properly initialized for the 'other' DB self.assertTrue(other.features.supports_transactions, msg) # And all the DBs should report that they support transactions self.assertTrue(connections_support_transactions(), msg) finally: db.connections = old_db_connections class DummyBackendTest(unittest.TestCase): def test_setup_databases(self): """ Test that setup_databases() doesn't fail with dummy database backend. """ runner_instance = runner.DiscoverRunner(verbosity=0) old_db_connections = db.connections try: db.connections = db.ConnectionHandler({}) old_config = runner_instance.setup_databases() runner_instance.teardown_databases(old_config) except Exception as e: self.fail("setup_databases/teardown_databases unexpectedly raised " "an error: %s" % e) finally: db.connections = old_db_connections class AliasedDefaultTestSetupTest(unittest.TestCase): def test_setup_aliased_default_database(self): """ Test that setup_datebases() doesn't fail when 'default' is aliased """ runner_instance = runner.DiscoverRunner(verbosity=0) old_db_connections = db.connections try: db.connections = db.ConnectionHandler({ 'default': { 'NAME': 'dummy' }, 'aliased': { 'NAME': 'dummy' } }) old_config = runner_instance.setup_databases() runner_instance.teardown_databases(old_config) except Exception as e: self.fail("setup_databases/teardown_databases unexpectedly raised " "an error: %s" % e) finally: db.connections = old_db_connections class AliasedDatabaseTeardownTest(unittest.TestCase): def test_setup_aliased_databases(self): from django.db.backends.dummy.base import DatabaseCreation runner_instance = runner.DiscoverRunner(verbosity=0) old_db_connections = db.connections old_destroy_test_db = DatabaseCreation.destroy_test_db old_create_test_db = DatabaseCreation.create_test_db try: destroyed_names = [] DatabaseCreation.destroy_test_db = lambda self, old_database_name, verbosity=1: destroyed_names.append(old_database_name) DatabaseCreation.create_test_db = lambda self, verbosity=1, autoclobber=False: self._get_test_db_name() db.connections = db.ConnectionHandler({ 'default': { 'ENGINE': 'django.db.backends.dummy', 'NAME': 'dbname', }, 'other': { 'ENGINE': 'django.db.backends.dummy', 'NAME': 'dbname', } }) old_config = runner_instance.setup_databases() runner_instance.teardown_databases(old_config) self.assertEqual(destroyed_names.count('dbname'), 1) finally: DatabaseCreation.create_test_db = old_create_test_db DatabaseCreation.destroy_test_db = old_destroy_test_db db.connections = old_db_connections class DeprecationDisplayTest(AdminScriptTestCase): # tests for 19546 def setUp(self): settings = { 'DATABASES': '{"default": {"ENGINE":"django.db.backends.sqlite3", "NAME":":memory:"}}' } self.write_settings('settings.py', sdict=settings) def tearDown(self): self.remove_settings('settings.py') def test_runner_deprecation_verbosity_default(self): args = ['test', '--settings=test_project.settings', 'test_runner_deprecation_app'] out, err = self.run_django_admin(args) self.assertIn("Ran 1 test", err) self.assertIn("DeprecationWarning: warning from test", err) self.assertIn("DeprecationWarning: module-level warning from deprecation_app", err) def test_runner_deprecation_verbosity_zero(self): args = ['test', '--settings=test_project.settings', '--verbosity=0', 'test_runner_deprecation_app'] out, err = self.run_django_admin(args) self.assertIn("Ran 1 test", err) self.assertFalse("DeprecationWarning: warning from test" in err) class AutoIncrementResetTest(TransactionTestCase): """ Here we test creating the same model two times in different test methods, and check that both times they get "1" as their PK value. That is, we test that AutoField values start from 1 for each transactional test case. """ available_apps = ['test_runner'] reset_sequences = True @skipUnlessDBFeature('supports_sequence_reset') def test_autoincrement_reset1(self): p = Person.objects.create(first_name='Jack', last_name='Smith') self.assertEqual(p.pk, 1) @skipUnlessDBFeature('supports_sequence_reset') def test_autoincrement_reset2(self): p = Person.objects.create(first_name='Jack', last_name='Smith') self.assertEqual(p.pk, 1)