1 files changed, 328 insertions, 0 deletions
diff --git a/tests/test_runner/tests.py b/tests/test_runner/tests.py
new file mode 100644
index 0000000000..5df421c54b
--- /dev/null
+++ b/tests/test_runner/tests.py
@@ -0,0 +1,328 @@
+"""
+Tests for django test runner
+"""
+from __future__ import absolute_import, unicode_literals
+
+import sys
+from optparse import make_option
+
+from django.core.exceptions import ImproperlyConfigured
+from django.core.management import call_command
+from django import db
+from django.test import simple, TransactionTestCase, skipUnlessDBFeature
+from django.test.simple import DjangoTestSuiteRunner, get_tests
+from django.test.testcases import connections_support_transactions
+from django.utils import unittest
+from django.utils.importlib import import_module
+
+from ..admin_scripts.tests import AdminScriptTestCase
+from .models import Person
+
+
+TEST_APP_OK = 'regressiontests.test_runner.valid_app.models'
+TEST_APP_ERROR = 'regressiontests.test_runner.invalid_app.models'
+
+
+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 = simple.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 = simple.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 = simple.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, simple.dependency_ordered, raw, dependencies=dependencies)
+
+    def test_own_alias_dependency(self):
+        raw = [
+            ('s1', ('s1_db', ['alpha', 'bravo']))
+        ]
+        dependencies = {
+            'alpha': ['bravo']
+        }
+
+        with self.assertRaises(ImproperlyConfigured):
+            simple.dependency_ordered(raw, dependencies=dependencies)
+
+        # reordering aliases shouldn't matter
+        raw = [
+            ('s1', ('s1_db', ['bravo', 'alpha']))
+        ]
+
+        with self.assertRaises(ImproperlyConfigured):
+            simple.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='regressiontests.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='regressiontests.test_runner.NonExistentRunner')
+
+
+class CustomOptionsTestRunner(simple.DjangoTestSuiteRunner):
+    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': '\'regressiontests.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=regressiontests.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=regressiontests.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=regressiontests.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=regressiontests.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(unittest.TestCase):
+    def test_get_tests(self):
+        "Check that the get_tests helper function can find tests in a directory"
+        module = import_module(TEST_APP_OK)
+        tests = get_tests(module)
+        self.assertIsInstance(tests, type(module))
+
+    def test_import_error(self):
+        "Test for #12658 - Tests with ImportError's shouldn't fail silently"
+        module = import_module(TEST_APP_ERROR)
+        self.assertRaises(ImportError, get_tests, module)
+
+
+class Sqlite3InMemoryTestDbs(unittest.TestCase):
+
+    @unittest.skipUnless(all(db.connections[conn].vendor == 'sqlite' for conn in db.connections),
+                         "This is a 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']
+                DjangoTestSuiteRunner(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 initialised 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 = DjangoTestSuiteRunner(verbosity=0)
+        old_db_connections = db.connections
+        try:
+            db.connections = db.ConnectionHandler({})
+            old_config = runner.setup_databases()
+            runner.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 DeprecationDisplayTest(AdminScriptTestCase):
+    # tests for 19546
+    def setUp(self):
+        settings = {'INSTALLED_APPS': '("regressiontests.test_runner.deprecation_app",)',
+                    '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=regressiontests.settings']
+        out, err = self.run_django_admin(args)
+        self.assertTrue("DeprecationWarning: warning from test" in err)
+
+    @unittest.skipIf(sys.version_info[:2] == (2, 6),
+        "On Python 2.6, DeprecationWarnings are visible anyway")
+    def test_runner_deprecation_verbosity_zero(self):
+        args = ['test', '--settings=regressiontests.settings', '--verbosity=0']
+        out, err = self.run_django_admin(args)
+        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.
+    """
+
+    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)