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django/tests/test_runner/tests.py
Preston Holmes e79b857a07 Fixed #18985 -- ensure module level deprecations are displayed
Also don't compete with -W CLI option.

Thanks to Aymeric Augustin for the catch, and Claude Paroz for the patch.
2013-03-24 22:06:02 -07:00

331 lines
12 KiB
Python

"""
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 = 'test_runner.valid_app.models'
TEST_APP_ERROR = '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='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(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': '\'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(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': '("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=test_project.settings']
out, err = self.run_django_admin(args)
self.assertIn("DeprecationWarning: warning from test", err)
self.assertIn("DeprecationWarning: module-level warning from deprecation_app", 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=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)