284 lines
10 KiB
Python
284 lines
10 KiB
Python
"""
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Tests for django test runner
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"""
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from __future__ import absolute_import
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from optparse import make_option
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from django.core.exceptions import ImproperlyConfigured
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from django.core.management import call_command
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from django import db
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from django.test import simple
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from django.test.simple import DjangoTestSuiteRunner, get_tests
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from django.test.testcases import connections_support_transactions
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from django.utils import unittest
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from django.utils.importlib import import_module
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from ..admin_scripts.tests import AdminScriptTestCase
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TEST_APP_OK = 'regressiontests.test_runner.valid_app.models'
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TEST_APP_ERROR = 'regressiontests.test_runner.invalid_app.models'
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class DependencyOrderingTests(unittest.TestCase):
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def test_simple_dependencies(self):
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raw = [
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('s1', ('s1_db', ['alpha'])),
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('s2', ('s2_db', ['bravo'])),
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('s3', ('s3_db', ['charlie'])),
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]
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dependencies = {
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'alpha': ['charlie'],
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'bravo': ['charlie'],
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}
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ordered = simple.dependency_ordered(raw, dependencies=dependencies)
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ordered_sigs = [sig for sig,value in ordered]
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self.assertIn('s1', ordered_sigs)
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self.assertIn('s2', ordered_sigs)
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self.assertIn('s3', ordered_sigs)
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self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s1'))
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self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s2'))
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def test_chained_dependencies(self):
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raw = [
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('s1', ('s1_db', ['alpha'])),
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('s2', ('s2_db', ['bravo'])),
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('s3', ('s3_db', ['charlie'])),
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]
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dependencies = {
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'alpha': ['bravo'],
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'bravo': ['charlie'],
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}
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ordered = simple.dependency_ordered(raw, dependencies=dependencies)
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ordered_sigs = [sig for sig,value in ordered]
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self.assertIn('s1', ordered_sigs)
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self.assertIn('s2', ordered_sigs)
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self.assertIn('s3', ordered_sigs)
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# Explicit dependencies
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self.assertLess(ordered_sigs.index('s2'), ordered_sigs.index('s1'))
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self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s2'))
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# Implied dependencies
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self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s1'))
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def test_multiple_dependencies(self):
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raw = [
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('s1', ('s1_db', ['alpha'])),
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('s2', ('s2_db', ['bravo'])),
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('s3', ('s3_db', ['charlie'])),
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('s4', ('s4_db', ['delta'])),
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]
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dependencies = {
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'alpha': ['bravo','delta'],
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'bravo': ['charlie'],
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'delta': ['charlie'],
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}
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ordered = simple.dependency_ordered(raw, dependencies=dependencies)
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ordered_sigs = [sig for sig,aliases in ordered]
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self.assertIn('s1', ordered_sigs)
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self.assertIn('s2', ordered_sigs)
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self.assertIn('s3', ordered_sigs)
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self.assertIn('s4', ordered_sigs)
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# Explicit dependencies
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self.assertLess(ordered_sigs.index('s2'), ordered_sigs.index('s1'))
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self.assertLess(ordered_sigs.index('s4'), ordered_sigs.index('s1'))
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self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s2'))
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self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s4'))
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# Implicit dependencies
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self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s1'))
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def test_circular_dependencies(self):
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raw = [
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('s1', ('s1_db', ['alpha'])),
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('s2', ('s2_db', ['bravo'])),
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]
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dependencies = {
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'bravo': ['alpha'],
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'alpha': ['bravo'],
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}
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self.assertRaises(ImproperlyConfigured, simple.dependency_ordered, raw, dependencies=dependencies)
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def test_own_alias_dependency(self):
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raw = [
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('s1', ('s1_db', ['alpha', 'bravo']))
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]
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dependencies = {
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'alpha': ['bravo']
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}
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with self.assertRaises(ImproperlyConfigured):
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simple.dependency_ordered(raw, dependencies=dependencies)
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# reordering aliases shouldn't matter
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raw = [
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('s1', ('s1_db', ['bravo', 'alpha']))
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]
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with self.assertRaises(ImproperlyConfigured):
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simple.dependency_ordered(raw, dependencies=dependencies)
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class MockTestRunner(object):
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invoked = False
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def __init__(self, *args, **kwargs):
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pass
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def run_tests(self, test_labels, extra_tests=None, **kwargs):
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MockTestRunner.invoked = True
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class ManageCommandTests(unittest.TestCase):
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def test_custom_test_runner(self):
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call_command('test', 'sites',
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testrunner='regressiontests.test_runner.tests.MockTestRunner')
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self.assertTrue(MockTestRunner.invoked,
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"The custom test runner has not been invoked")
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class CustomOptionsTestRunner(simple.DjangoTestSuiteRunner):
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option_list = (
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make_option('--option_a','-a', action='store', dest='option_a', default='1'),
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make_option('--option_b','-b', action='store', dest='option_b', default='2'),
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make_option('--option_c','-c', action='store', dest='option_c', default='3'),
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)
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def __init__(self, verbosity=1, interactive=True, failfast=True, option_a=None, option_b=None, option_c=None, **kwargs):
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super(CustomOptionsTestRunner, self).__init__(verbosity=verbosity, interactive=interactive,
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failfast=failfast)
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self.option_a = option_a
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self.option_b = option_b
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self.option_c = option_c
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def run_tests(self, test_labels, extra_tests=None, **kwargs):
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print "%s:%s:%s" % (self.option_a, self.option_b, self.option_c)
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class CustomTestRunnerOptionsTests(AdminScriptTestCase):
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def setUp(self):
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settings = {
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'TEST_RUNNER': '\'regressiontests.test_runner.tests.CustomOptionsTestRunner\'',
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}
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self.write_settings('settings.py', sdict=settings)
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def tearDown(self):
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self.remove_settings('settings.py')
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def test_default_options(self):
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args = ['test', '--settings=regressiontests.settings']
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out, err = self.run_django_admin(args)
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self.assertNoOutput(err)
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self.assertOutput(out, '1:2:3')
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def test_default_and_given_options(self):
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args = ['test', '--settings=regressiontests.settings', '--option_b=foo']
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out, err = self.run_django_admin(args)
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self.assertNoOutput(err)
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self.assertOutput(out, '1:foo:3')
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def test_option_name_and_value_separated(self):
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args = ['test', '--settings=regressiontests.settings', '--option_b', 'foo']
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out, err = self.run_django_admin(args)
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self.assertNoOutput(err)
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self.assertOutput(out, '1:foo:3')
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def test_all_options_given(self):
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args = ['test', '--settings=regressiontests.settings', '--option_a=bar', '--option_b=foo', '--option_c=31337']
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out, err = self.run_django_admin(args)
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self.assertNoOutput(err)
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self.assertOutput(out, 'bar:foo:31337')
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class Ticket16885RegressionTests(unittest.TestCase):
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def test_ticket_16885(self):
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"""Features are also confirmed on mirrored databases."""
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old_db_connections = db.connections
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try:
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db.connections = db.ConnectionHandler({
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'default': {
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'ENGINE': 'django.db.backends.sqlite3',
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},
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'slave': {
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'ENGINE': 'django.db.backends.sqlite3',
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'TEST_MIRROR': 'default',
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},
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})
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slave = db.connections['slave']
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self.assertEqual(slave.features.supports_transactions, None)
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DjangoTestSuiteRunner(verbosity=0).setup_databases()
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self.assertNotEqual(slave.features.supports_transactions, None)
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finally:
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db.connections = old_db_connections
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class Ticket17477RegressionTests(AdminScriptTestCase):
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def setUp(self):
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self.write_settings('settings.py')
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def tearDown(self):
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self.remove_settings('settings.py')
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def test_ticket_17477(self):
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"""'manage.py help test' works after r16352."""
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args = ['help', 'test']
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out, err = self.run_manage(args)
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self.assertNoOutput(err)
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class ModulesTestsPackages(unittest.TestCase):
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def test_get_tests(self):
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"Check that the get_tests helper function can find tests in a directory"
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module = import_module(TEST_APP_OK)
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tests = get_tests(module)
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self.assertIsInstance(tests, type(module))
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def test_import_error(self):
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"Test for #12658 - Tests with ImportError's shouldn't fail silently"
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module = import_module(TEST_APP_ERROR)
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self.assertRaises(ImportError, get_tests, module)
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class Sqlite3InMemoryTestDbs(unittest.TestCase):
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@unittest.skipUnless(all(db.connections[conn].vendor == 'sqlite' for conn in db.connections),
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"This is a sqlite-specific issue")
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def test_transaction_support(self):
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"""Ticket #16329: sqlite3 in-memory test databases"""
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old_db_connections = db.connections
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for option in ('NAME', 'TEST_NAME'):
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try:
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db.connections = db.ConnectionHandler({
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'default': {
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'ENGINE': 'django.db.backends.sqlite3',
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option: ':memory:',
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},
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'other': {
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'ENGINE': 'django.db.backends.sqlite3',
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option: ':memory:',
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},
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})
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other = db.connections['other']
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self.assertIsNone(other.features.supports_transactions)
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DjangoTestSuiteRunner(verbosity=0).setup_databases()
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msg = "DATABASES setting '%s' option set to sqlite3's ':memory:' value shouldn't interfere with transaction support detection." % option
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# Transaction support should be properly initialised for the 'other' DB
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self.assertIsNotNone(other.features.supports_transactions, msg)
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# And all the DBs should report that they support transactions
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self.assertTrue(connections_support_transactions(), msg)
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finally:
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db.connections = old_db_connections
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