# -*- coding: utf-8 -*- from __future__ import unicode_literals import sys import unittest import warnings from django.conf.urls import url from django.contrib.staticfiles.finders import get_finder, get_finders from django.contrib.staticfiles.storage import staticfiles_storage from django.core.files.storage import default_storage from django.db import connection, models, router from django.forms import EmailField, IntegerField from django.http import HttpResponse from django.template.loader import render_to_string from django.test import ( SimpleTestCase, TestCase, ignore_warnings, skipIfDBFeature, skipUnlessDBFeature, ) from django.test.html import HTMLParseError, parse_html from django.test.utils import ( CaptureQueriesContext, isolate_apps, override_settings, setup_test_environment, ) from django.urls import NoReverseMatch, reverse from django.utils import six from django.utils._os import abspathu from django.utils.deprecation import RemovedInDjango20Warning from .models import Car, Person, PossessedCar from .views import empty_response class SkippingTestCase(SimpleTestCase): def _assert_skipping(self, func, expected_exc): # We cannot simply use assertRaises because a SkipTest exception will go unnoticed try: func() except expected_exc: pass except Exception as e: self.fail("No %s exception should have been raised for %s." % ( e.__class__.__name__, func.__name__)) def test_skip_unless_db_feature(self): """ Testing the django.test.skipUnlessDBFeature decorator. """ # Total hack, but it works, just want an attribute that's always true. @skipUnlessDBFeature("__class__") def test_func(): raise ValueError @skipUnlessDBFeature("notprovided") def test_func2(): raise ValueError @skipUnlessDBFeature("__class__", "__class__") def test_func3(): raise ValueError @skipUnlessDBFeature("__class__", "notprovided") def test_func4(): raise ValueError self._assert_skipping(test_func, ValueError) self._assert_skipping(test_func2, unittest.SkipTest) self._assert_skipping(test_func3, ValueError) self._assert_skipping(test_func4, unittest.SkipTest) def test_skip_if_db_feature(self): """ Testing the django.test.skipIfDBFeature decorator. """ @skipIfDBFeature("__class__") def test_func(): raise ValueError @skipIfDBFeature("notprovided") def test_func2(): raise ValueError @skipIfDBFeature("__class__", "__class__") def test_func3(): raise ValueError @skipIfDBFeature("__class__", "notprovided") def test_func4(): raise ValueError @skipIfDBFeature("notprovided", "notprovided") def test_func5(): raise ValueError self._assert_skipping(test_func, unittest.SkipTest) self._assert_skipping(test_func2, ValueError) self._assert_skipping(test_func3, unittest.SkipTest) self._assert_skipping(test_func4, unittest.SkipTest) self._assert_skipping(test_func5, ValueError) class SkippingClassTestCase(SimpleTestCase): def test_skip_class_unless_db_feature(self): @skipUnlessDBFeature("__class__") class NotSkippedTests(unittest.TestCase): def test_dummy(self): return @skipUnlessDBFeature("missing") @skipIfDBFeature("__class__") class SkippedTests(unittest.TestCase): def test_will_be_skipped(self): self.fail("We should never arrive here.") @skipIfDBFeature("__dict__") class SkippedTestsSubclass(SkippedTests): pass test_suite = unittest.TestSuite() test_suite.addTest(NotSkippedTests('test_dummy')) try: test_suite.addTest(SkippedTests('test_will_be_skipped')) test_suite.addTest(SkippedTestsSubclass('test_will_be_skipped')) except unittest.SkipTest: self.fail("SkipTest should not be raised at this stage") result = unittest.TextTestRunner(stream=six.StringIO()).run(test_suite) self.assertEqual(result.testsRun, 3) self.assertEqual(len(result.skipped), 2) self.assertEqual(result.skipped[0][1], 'Database has feature(s) __class__') self.assertEqual(result.skipped[1][1], 'Database has feature(s) __class__') @override_settings(ROOT_URLCONF='test_utils.urls') class AssertNumQueriesTests(TestCase): def test_assert_num_queries(self): def test_func(): raise ValueError with self.assertRaises(ValueError): self.assertNumQueries(2, test_func) def test_assert_num_queries_with_client(self): person = Person.objects.create(name='test') self.assertNumQueries( 1, self.client.get, "/test_utils/get_person/%s/" % person.pk ) self.assertNumQueries( 1, self.client.get, "/test_utils/get_person/%s/" % person.pk ) def test_func(): self.client.get("/test_utils/get_person/%s/" % person.pk) self.client.get("/test_utils/get_person/%s/" % person.pk) self.assertNumQueries(2, test_func) class AssertQuerysetEqualTests(TestCase): def setUp(self): self.p1 = Person.objects.create(name='p1') self.p2 = Person.objects.create(name='p2') def test_ordered(self): self.assertQuerysetEqual( Person.objects.all().order_by('name'), [repr(self.p1), repr(self.p2)] ) def test_unordered(self): self.assertQuerysetEqual( Person.objects.all().order_by('name'), [repr(self.p2), repr(self.p1)], ordered=False ) def test_transform(self): self.assertQuerysetEqual( Person.objects.all().order_by('name'), [self.p1.pk, self.p2.pk], transform=lambda x: x.pk ) def test_undefined_order(self): # Using an unordered queryset with more than one ordered value # is an error. with self.assertRaises(ValueError): self.assertQuerysetEqual( Person.objects.all(), [repr(self.p1), repr(self.p2)] ) # No error for one value. self.assertQuerysetEqual( Person.objects.filter(name='p1'), [repr(self.p1)] ) def test_repeated_values(self): """ assertQuerysetEqual checks the number of appearance of each item when used with option ordered=False. """ batmobile = Car.objects.create(name='Batmobile') k2000 = Car.objects.create(name='K 2000') PossessedCar.objects.bulk_create([ PossessedCar(car=batmobile, belongs_to=self.p1), PossessedCar(car=batmobile, belongs_to=self.p1), PossessedCar(car=k2000, belongs_to=self.p1), PossessedCar(car=k2000, belongs_to=self.p1), PossessedCar(car=k2000, belongs_to=self.p1), PossessedCar(car=k2000, belongs_to=self.p1), ]) with self.assertRaises(AssertionError): self.assertQuerysetEqual( self.p1.cars.all(), [repr(batmobile), repr(k2000)], ordered=False ) self.assertQuerysetEqual( self.p1.cars.all(), [repr(batmobile)] * 2 + [repr(k2000)] * 4, ordered=False ) @override_settings(ROOT_URLCONF='test_utils.urls') class CaptureQueriesContextManagerTests(TestCase): def setUp(self): self.person_pk = six.text_type(Person.objects.create(name='test').pk) def test_simple(self): with CaptureQueriesContext(connection) as captured_queries: Person.objects.get(pk=self.person_pk) self.assertEqual(len(captured_queries), 1) self.assertIn(self.person_pk, captured_queries[0]['sql']) with CaptureQueriesContext(connection) as captured_queries: pass self.assertEqual(0, len(captured_queries)) def test_within(self): with CaptureQueriesContext(connection) as captured_queries: Person.objects.get(pk=self.person_pk) self.assertEqual(len(captured_queries), 1) self.assertIn(self.person_pk, captured_queries[0]['sql']) def test_nested(self): with CaptureQueriesContext(connection) as captured_queries: Person.objects.count() with CaptureQueriesContext(connection) as nested_captured_queries: Person.objects.count() self.assertEqual(1, len(nested_captured_queries)) self.assertEqual(2, len(captured_queries)) def test_failure(self): with self.assertRaises(TypeError): with CaptureQueriesContext(connection): raise TypeError def test_with_client(self): with CaptureQueriesContext(connection) as captured_queries: self.client.get("/test_utils/get_person/%s/" % self.person_pk) self.assertEqual(len(captured_queries), 1) self.assertIn(self.person_pk, captured_queries[0]['sql']) with CaptureQueriesContext(connection) as captured_queries: self.client.get("/test_utils/get_person/%s/" % self.person_pk) self.assertEqual(len(captured_queries), 1) self.assertIn(self.person_pk, captured_queries[0]['sql']) with CaptureQueriesContext(connection) as captured_queries: self.client.get("/test_utils/get_person/%s/" % self.person_pk) self.client.get("/test_utils/get_person/%s/" % self.person_pk) self.assertEqual(len(captured_queries), 2) self.assertIn(self.person_pk, captured_queries[0]['sql']) self.assertIn(self.person_pk, captured_queries[1]['sql']) @override_settings(ROOT_URLCONF='test_utils.urls') class AssertNumQueriesContextManagerTests(TestCase): def test_simple(self): with self.assertNumQueries(0): pass with self.assertNumQueries(1): Person.objects.count() with self.assertNumQueries(2): Person.objects.count() Person.objects.count() def test_failure(self): with self.assertRaises(AssertionError) as exc_info: with self.assertNumQueries(2): Person.objects.count() self.assertIn("1 queries executed, 2 expected", str(exc_info.exception)) self.assertIn("Captured queries were", str(exc_info.exception)) with self.assertRaises(TypeError): with self.assertNumQueries(4000): raise TypeError def test_with_client(self): person = Person.objects.create(name="test") with self.assertNumQueries(1): self.client.get("/test_utils/get_person/%s/" % person.pk) with self.assertNumQueries(1): self.client.get("/test_utils/get_person/%s/" % person.pk) with self.assertNumQueries(2): self.client.get("/test_utils/get_person/%s/" % person.pk) self.client.get("/test_utils/get_person/%s/" % person.pk) @override_settings(ROOT_URLCONF='test_utils.urls') class AssertTemplateUsedContextManagerTests(SimpleTestCase): def test_usage(self): with self.assertTemplateUsed('template_used/base.html'): render_to_string('template_used/base.html') with self.assertTemplateUsed(template_name='template_used/base.html'): render_to_string('template_used/base.html') with self.assertTemplateUsed('template_used/base.html'): render_to_string('template_used/include.html') with self.assertTemplateUsed('template_used/base.html'): render_to_string('template_used/extends.html') with self.assertTemplateUsed('template_used/base.html'): render_to_string('template_used/base.html') render_to_string('template_used/base.html') def test_nested_usage(self): with self.assertTemplateUsed('template_used/base.html'): with self.assertTemplateUsed('template_used/include.html'): render_to_string('template_used/include.html') with self.assertTemplateUsed('template_used/extends.html'): with self.assertTemplateUsed('template_used/base.html'): render_to_string('template_used/extends.html') with self.assertTemplateUsed('template_used/base.html'): with self.assertTemplateUsed('template_used/alternative.html'): render_to_string('template_used/alternative.html') render_to_string('template_used/base.html') with self.assertTemplateUsed('template_used/base.html'): render_to_string('template_used/extends.html') with self.assertTemplateNotUsed('template_used/base.html'): render_to_string('template_used/alternative.html') render_to_string('template_used/base.html') def test_not_used(self): with self.assertTemplateNotUsed('template_used/base.html'): pass with self.assertTemplateNotUsed('template_used/alternative.html'): pass def test_error_message(self): with self.assertRaisesRegex(AssertionError, r'^template_used/base\.html'): with self.assertTemplateUsed('template_used/base.html'): pass with self.assertRaisesRegex(AssertionError, r'^template_used/base\.html'): with self.assertTemplateUsed(template_name='template_used/base.html'): pass with self.assertRaisesRegex(AssertionError, r'^template_used/base\.html.*template_used/alternative\.html$'): with self.assertTemplateUsed('template_used/base.html'): render_to_string('template_used/alternative.html') with self.assertRaises(AssertionError) as cm: response = self.client.get('/test_utils/no_template_used/') self.assertTemplateUsed(response, 'template_used/base.html') self.assertEqual(cm.exception.args[0], "No templates used to render the response") def test_failure(self): with self.assertRaises(TypeError): with self.assertTemplateUsed(): pass with self.assertRaises(AssertionError): with self.assertTemplateUsed(''): pass with self.assertRaises(AssertionError): with self.assertTemplateUsed(''): render_to_string('template_used/base.html') with self.assertRaises(AssertionError): with self.assertTemplateUsed(template_name=''): pass with self.assertRaises(AssertionError): with self.assertTemplateUsed('template_used/base.html'): render_to_string('template_used/alternative.html') def test_assert_used_on_http_response(self): response = HttpResponse() error_msg = ( 'assertTemplateUsed() and assertTemplateNotUsed() are only ' 'usable on responses fetched using the Django test Client.' ) with self.assertRaisesMessage(ValueError, error_msg): self.assertTemplateUsed(response, 'template.html') with self.assertRaisesMessage(ValueError, error_msg): self.assertTemplateNotUsed(response, 'template.html') class HTMLEqualTests(SimpleTestCase): def test_html_parser(self): element = parse_html('

Hello

') self.assertEqual(len(element.children), 1) self.assertEqual(element.children[0].name, 'p') self.assertEqual(element.children[0].children[0], 'Hello') parse_html('

') parse_html('

') dom = parse_html('

foo') self.assertEqual(len(dom.children), 1) self.assertEqual(dom.name, 'p') self.assertEqual(dom[0], 'foo') def test_parse_html_in_script(self): parse_html('') parse_html(''' ''') # script content will be parsed to text dom = parse_html(''' ''') self.assertEqual(len(dom.children), 1) self.assertEqual(dom.children[0], "

foo

'' bar") def test_self_closing_tags(self): self_closing_tags = ( 'br', 'hr', 'input', 'img', 'meta', 'spacer', 'link', 'frame', 'base', 'col', ) for tag in self_closing_tags: dom = parse_html('

Hello <%s> world

' % tag) self.assertEqual(len(dom.children), 3) self.assertEqual(dom[0], 'Hello') self.assertEqual(dom[1].name, tag) self.assertEqual(dom[2], 'world') dom = parse_html('

Hello <%s /> world

' % tag) self.assertEqual(len(dom.children), 3) self.assertEqual(dom[0], 'Hello') self.assertEqual(dom[1].name, tag) self.assertEqual(dom[2], 'world') def test_simple_equal_html(self): self.assertHTMLEqual('', '') self.assertHTMLEqual('

', '

') self.assertHTMLEqual('

', '

') self.assertHTMLEqual( '

Hello

', '

Hello

') self.assertHTMLEqual( '

Hello

', '

Hello

') self.assertHTMLEqual( '
\n

Hello

', '

Hello

\n') self.assertHTMLEqual( '

Hello\nWorld !

', '

Hello World\n!

') self.assertHTMLEqual( '

Hello\nWorld !

', '

Hello World\n!

') self.assertHTMLEqual( '

Hello World !

', '

Hello World\n\n!

') self.assertHTMLEqual('

', '

') self.assertHTMLEqual('

', '

') self.assertHTMLEqual('

', '

') self.assertHTMLEqual('', '') self.assertHTMLEqual('

Hello', '

Hello') self.assertHTMLEqual('

Hello

World', '

Hello

World') def test_ignore_comments(self): self.assertHTMLEqual( '
Hello World!
', '
Hello World!
') def test_unequal_html(self): self.assertHTMLNotEqual('

Hello

', '

Hello!

') self.assertHTMLNotEqual('

foobar

', '

foo bar

') self.assertHTMLNotEqual('

foo bar

', '

foo  bar

') self.assertHTMLNotEqual('

foo nbsp

', '

foo  

') self.assertHTMLNotEqual('

foo #20

', '

foo 

') self.assertHTMLNotEqual( '

HelloWorld

', '

HelloWorld

') self.assertHTMLNotEqual( '

HelloWorld

', '

HelloWorld

') def test_attributes(self): self.assertHTMLEqual( '', '') self.assertHTMLEqual( '''''', '') self.assertHTMLNotEqual( '', '') def test_complex_examples(self): self.assertHTMLEqual( """ """, """ """) self.assertHTMLEqual( """ Document

This is a valid paragraph

this is a div AFTER the p
""", """ Document

This is a valid paragraph

this is a div AFTER the p

""") def test_html_contain(self): # equal html contains each other dom1 = parse_html('

foo') dom2 = parse_html('

foo

') self.assertIn(dom1, dom2) self.assertIn(dom2, dom1) dom2 = parse_html('

foo

') self.assertIn(dom1, dom2) self.assertNotIn(dom2, dom1) self.assertNotIn('

foo

', dom2) self.assertIn('foo', dom2) # when a root element is used ... dom1 = parse_html('

foo

bar

') dom2 = parse_html('

foo

bar

') self.assertIn(dom1, dom2) dom1 = parse_html('

foo

') self.assertIn(dom1, dom2) dom1 = parse_html('

bar

') self.assertIn(dom1, dom2) dom1 = parse_html('

foo

bar

') self.assertIn(dom2, dom1) def test_count(self): # equal html contains each other one time dom1 = parse_html('

foo') dom2 = parse_html('

foo

') self.assertEqual(dom1.count(dom2), 1) self.assertEqual(dom2.count(dom1), 1) dom2 = parse_html('

foo

bar

') self.assertEqual(dom2.count(dom1), 1) dom2 = parse_html('

foo foo

foo

') self.assertEqual(dom2.count('foo'), 3) dom2 = parse_html('

foo

') self.assertEqual(dom2.count('bar'), 0) self.assertEqual(dom2.count('class'), 0) self.assertEqual(dom2.count('p'), 0) self.assertEqual(dom2.count('o'), 2) dom2 = parse_html('

foo

foo

') self.assertEqual(dom2.count(dom1), 2) dom2 = parse_html('

foo

foo

') self.assertEqual(dom2.count(dom1), 1) dom2 = parse_html('

foo

') self.assertEqual(dom2.count(dom1), 1) dom2 = parse_html('

foo

foo

') self.assertEqual(dom2.count(dom1), 1) dom2 = parse_html('

foo

bar

') self.assertEqual(dom2.count(dom1), 0) # html with a root element contains the same html with no root element dom1 = parse_html('

foo

bar

') dom2 = parse_html('

foo

bar

') self.assertEqual(dom2.count(dom1), 1) def test_parsing_errors(self): with self.assertRaises(AssertionError): self.assertHTMLEqual('

', '') with self.assertRaises(AssertionError): self.assertHTMLEqual('', '

') error_msg = ( "First argument is not valid HTML:\n" "('Unexpected end tag `div` (Line 1, Column 6)', (1, 6))" ) if sys.version_info >= (3, 5) else ( "First argument is not valid HTML:\n" "Unexpected end tag `div` (Line 1, Column 6), at line 1, column 7" ) with self.assertRaisesMessage(AssertionError, error_msg): self.assertHTMLEqual('< div>', '

') with self.assertRaises(HTMLParseError): parse_html('

') def test_contains_html(self): response = HttpResponse(''' This is a form:
''') self.assertNotContains(response, "") self.assertContains(response, '
') self.assertContains(response, "", html=True) self.assertNotContains(response, '', html=True) invalid_response = HttpResponse('''>''') with self.assertRaises(AssertionError): self.assertContains(invalid_response, '

') with self.assertRaises(AssertionError): self.assertContains(response, '

') def test_unicode_handling(self): response = HttpResponse('

Some help text for the title (with unicode ŠĐĆŽćžšđ)

') self.assertContains( response, '

Some help text for the title (with unicode ŠĐĆŽćžšđ)

', html=True ) class JSONEqualTests(SimpleTestCase): def test_simple_equal(self): json1 = '{"attr1": "foo", "attr2":"baz"}' json2 = '{"attr1": "foo", "attr2":"baz"}' self.assertJSONEqual(json1, json2) def test_simple_equal_unordered(self): json1 = '{"attr1": "foo", "attr2":"baz"}' json2 = '{"attr2":"baz", "attr1": "foo"}' self.assertJSONEqual(json1, json2) def test_simple_equal_raise(self): json1 = '{"attr1": "foo", "attr2":"baz"}' json2 = '{"attr2":"baz"}' with self.assertRaises(AssertionError): self.assertJSONEqual(json1, json2) def test_equal_parsing_errors(self): invalid_json = '{"attr1": "foo, "attr2":"baz"}' valid_json = '{"attr1": "foo", "attr2":"baz"}' with self.assertRaises(AssertionError): self.assertJSONEqual(invalid_json, valid_json) with self.assertRaises(AssertionError): self.assertJSONEqual(valid_json, invalid_json) def test_simple_not_equal(self): json1 = '{"attr1": "foo", "attr2":"baz"}' json2 = '{"attr2":"baz"}' self.assertJSONNotEqual(json1, json2) def test_simple_not_equal_raise(self): json1 = '{"attr1": "foo", "attr2":"baz"}' json2 = '{"attr1": "foo", "attr2":"baz"}' with self.assertRaises(AssertionError): self.assertJSONNotEqual(json1, json2) def test_not_equal_parsing_errors(self): invalid_json = '{"attr1": "foo, "attr2":"baz"}' valid_json = '{"attr1": "foo", "attr2":"baz"}' with self.assertRaises(AssertionError): self.assertJSONNotEqual(invalid_json, valid_json) with self.assertRaises(AssertionError): self.assertJSONNotEqual(valid_json, invalid_json) class XMLEqualTests(SimpleTestCase): def test_simple_equal(self): xml1 = "" xml2 = "" self.assertXMLEqual(xml1, xml2) def test_simple_equal_unordered(self): xml1 = "" xml2 = "" self.assertXMLEqual(xml1, xml2) def test_simple_equal_raise(self): xml1 = "" xml2 = "" with self.assertRaises(AssertionError): self.assertXMLEqual(xml1, xml2) def test_simple_equal_raises_message(self): xml1 = "" xml2 = "" msg = '''{xml1} != {xml2} - + ? ++++++++++ '''.format(xml1=repr(xml1), xml2=repr(xml2)) with self.assertRaisesMessage(AssertionError, msg): self.assertXMLEqual(xml1, xml2) def test_simple_not_equal(self): xml1 = "" xml2 = "" self.assertXMLNotEqual(xml1, xml2) def test_simple_not_equal_raise(self): xml1 = "" xml2 = "" with self.assertRaises(AssertionError): self.assertXMLNotEqual(xml1, xml2) def test_parsing_errors(self): xml_unvalid = "" xml2 = "" with self.assertRaises(AssertionError): self.assertXMLNotEqual(xml_unvalid, xml2) def test_comment_root(self): xml1 = "" xml2 = "" self.assertXMLEqual(xml1, xml2) def test_simple_equal_with_leading_or_trailing_whitespace(self): xml1 = "foo \t\n" xml2 = " \t\nfoo" self.assertXMLEqual(xml1, xml2) def test_simple_not_equal_with_whitespace_in_the_middle(self): xml1 = "foobar" xml2 = "foo bar" self.assertXMLNotEqual(xml1, xml2) class SkippingExtraTests(TestCase): fixtures = ['should_not_be_loaded.json'] # HACK: This depends on internals of our TestCase subclasses def __call__(self, result=None): # Detect fixture loading by counting SQL queries, should be zero with self.assertNumQueries(0): super(SkippingExtraTests, self).__call__(result) @unittest.skip("Fixture loading should not be performed for skipped tests.") def test_fixtures_are_skipped(self): pass class AssertRaisesMsgTest(SimpleTestCase): def test_assert_raises_message(self): msg = "'Expected message' not found in 'Unexpected message'" # context manager form of assertRaisesMessage() with self.assertRaisesMessage(AssertionError, msg): with self.assertRaisesMessage(ValueError, "Expected message"): raise ValueError("Unexpected message") # callable form def func(): raise ValueError("Unexpected message") with self.assertRaisesMessage(AssertionError, msg): self.assertRaisesMessage(ValueError, "Expected message", func) def test_special_re_chars(self): """assertRaisesMessage shouldn't interpret RE special chars.""" def func1(): raise ValueError("[.*x+]y?") with self.assertRaisesMessage(ValueError, "[.*x+]y?"): func1() @ignore_warnings(category=RemovedInDjango20Warning) def test_callable_obj_param(self): # callable_obj was a documented kwarg in Django 1.8 and older. def func1(): raise ValueError("[.*x+]y?") with warnings.catch_warnings(record=True) as warns: warnings.simplefilter('always') self.assertRaisesMessage(ValueError, "[.*x+]y?", callable_obj=func1) self.assertEqual(len(warns), 1) self.assertEqual( str(warns[0].message), 'The callable_obj kwarg is deprecated. Pass the callable ' 'as a positional argument instead.' ) class AssertFieldOutputTests(SimpleTestCase): def test_assert_field_output(self): error_invalid = ['Enter a valid email address.'] self.assertFieldOutput(EmailField, {'a@a.com': 'a@a.com'}, {'aaa': error_invalid}) with self.assertRaises(AssertionError): self.assertFieldOutput(EmailField, {'a@a.com': 'a@a.com'}, {'aaa': error_invalid + ['Another error']}) with self.assertRaises(AssertionError): self.assertFieldOutput(EmailField, {'a@a.com': 'Wrong output'}, {'aaa': error_invalid}) with self.assertRaises(AssertionError): self.assertFieldOutput( EmailField, {'a@a.com': 'a@a.com'}, {'aaa': ['Come on, gimme some well formatted data, dude.']} ) def test_custom_required_message(self): class MyCustomField(IntegerField): default_error_messages = { 'required': 'This is really required.', } self.assertFieldOutput(MyCustomField, {}, {}, empty_value=None) class FirstUrls: urlpatterns = [url(r'first/$', empty_response, name='first')] class SecondUrls: urlpatterns = [url(r'second/$', empty_response, name='second')] class SetupTestEnvironmentTests(SimpleTestCase): def test_setup_test_environment_calling_more_than_once(self): with self.assertRaisesMessage(RuntimeError, "setup_test_environment() was already called"): setup_test_environment() class OverrideSettingsTests(SimpleTestCase): # #21518 -- If neither override_settings nor a setting_changed receiver # clears the URL cache between tests, then one of test_first or # test_second will fail. @override_settings(ROOT_URLCONF=FirstUrls) def test_urlconf_first(self): reverse('first') @override_settings(ROOT_URLCONF=SecondUrls) def test_urlconf_second(self): reverse('second') def test_urlconf_cache(self): with self.assertRaises(NoReverseMatch): reverse('first') with self.assertRaises(NoReverseMatch): reverse('second') with override_settings(ROOT_URLCONF=FirstUrls): self.client.get(reverse('first')) with self.assertRaises(NoReverseMatch): reverse('second') with override_settings(ROOT_URLCONF=SecondUrls): with self.assertRaises(NoReverseMatch): reverse('first') self.client.get(reverse('second')) self.client.get(reverse('first')) with self.assertRaises(NoReverseMatch): reverse('second') with self.assertRaises(NoReverseMatch): reverse('first') with self.assertRaises(NoReverseMatch): reverse('second') def test_override_media_root(self): """ Overriding the MEDIA_ROOT setting should be reflected in the base_location attribute of django.core.files.storage.default_storage. """ self.assertEqual(default_storage.base_location, '') with self.settings(MEDIA_ROOT='test_value'): self.assertEqual(default_storage.base_location, 'test_value') def test_override_media_url(self): """ Overriding the MEDIA_URL setting should be reflected in the base_url attribute of django.core.files.storage.default_storage. """ self.assertEqual(default_storage.base_location, '') with self.settings(MEDIA_URL='/test_value/'): self.assertEqual(default_storage.base_url, '/test_value/') def test_override_file_upload_permissions(self): """ Overriding the FILE_UPLOAD_PERMISSIONS setting should be reflected in the file_permissions_mode attribute of django.core.files.storage.default_storage. """ self.assertIsNone(default_storage.file_permissions_mode) with self.settings(FILE_UPLOAD_PERMISSIONS=0o777): self.assertEqual(default_storage.file_permissions_mode, 0o777) def test_override_file_upload_directory_permissions(self): """ Overriding the FILE_UPLOAD_DIRECTORY_PERMISSIONS setting should be reflected in the directory_permissions_mode attribute of django.core.files.storage.default_storage. """ self.assertIsNone(default_storage.directory_permissions_mode) with self.settings(FILE_UPLOAD_DIRECTORY_PERMISSIONS=0o777): self.assertEqual(default_storage.directory_permissions_mode, 0o777) def test_override_database_routers(self): """ Overriding DATABASE_ROUTERS should update the master router. """ test_routers = (object(),) with self.settings(DATABASE_ROUTERS=test_routers): self.assertSequenceEqual(router.routers, test_routers) def test_override_static_url(self): """ Overriding the STATIC_URL setting should be reflected in the base_url attribute of django.contrib.staticfiles.storage.staticfiles_storage. """ with self.settings(STATIC_URL='/test/'): self.assertEqual(staticfiles_storage.base_url, '/test/') def test_override_static_root(self): """ Overriding the STATIC_ROOT setting should be reflected in the location attribute of django.contrib.staticfiles.storage.staticfiles_storage. """ with self.settings(STATIC_ROOT='/tmp/test'): self.assertEqual(staticfiles_storage.location, abspathu('/tmp/test')) def test_override_staticfiles_storage(self): """ Overriding the STATICFILES_STORAGE setting should be reflected in the value of django.contrib.staticfiles.storage.staticfiles_storage. """ new_class = 'CachedStaticFilesStorage' new_storage = 'django.contrib.staticfiles.storage.' + new_class with self.settings(STATICFILES_STORAGE=new_storage): self.assertEqual(staticfiles_storage.__class__.__name__, new_class) def test_override_staticfiles_finders(self): """ Overriding the STATICFILES_FINDERS setting should be reflected in the return value of django.contrib.staticfiles.finders.get_finders. """ current = get_finders() self.assertGreater(len(list(current)), 1) finders = ['django.contrib.staticfiles.finders.FileSystemFinder'] with self.settings(STATICFILES_FINDERS=finders): self.assertEqual(len(list(get_finders())), len(finders)) def test_override_staticfiles_dirs(self): """ Overriding the STATICFILES_DIRS setting should be reflected in the locations attribute of the django.contrib.staticfiles.finders.FileSystemFinder instance. """ finder = get_finder('django.contrib.staticfiles.finders.FileSystemFinder') test_path = '/tmp/test' expected_location = ('', test_path) self.assertNotIn(expected_location, finder.locations) with self.settings(STATICFILES_DIRS=[test_path]): finder = get_finder('django.contrib.staticfiles.finders.FileSystemFinder') self.assertIn(expected_location, finder.locations) class TestBadSetUpTestData(TestCase): """ An exception in setUpTestData() shouldn't leak a transaction which would cascade across the rest of the test suite. """ class MyException(Exception): pass @classmethod def setUpClass(cls): try: super(TestBadSetUpTestData, cls).setUpClass() except cls.MyException: cls._in_atomic_block = connection.in_atomic_block @classmethod def tearDownClass(Cls): # override to avoid a second cls._rollback_atomics() which would fail. # Normal setUpClass() methods won't have exception handling so this # method wouldn't typically be run. pass @classmethod def setUpTestData(cls): # Simulate a broken setUpTestData() method. raise cls.MyException() def test_failure_in_setUpTestData_should_rollback_transaction(self): # setUpTestData() should call _rollback_atomics() so that the # transaction doesn't leak. self.assertFalse(self._in_atomic_block) class DisallowedDatabaseQueriesTests(SimpleTestCase): def test_disallowed_database_queries(self): expected_message = ( "Database queries aren't allowed in SimpleTestCase. " "Either use TestCase or TransactionTestCase to ensure proper test isolation or " "set DisallowedDatabaseQueriesTests.allow_database_queries to True to silence this failure." ) with self.assertRaisesMessage(AssertionError, expected_message): Car.objects.first() class DisallowedDatabaseQueriesChunkedCursorsTests(SimpleTestCase): def test_disallowed_database_queries(self): expected_message = ( "Database queries aren't allowed in SimpleTestCase. Either use " "TestCase or TransactionTestCase to ensure proper test isolation or " "set DisallowedDatabaseQueriesChunkedCursorsTests.allow_database_queries " "to True to silence this failure." ) with self.assertRaisesMessage(AssertionError, expected_message): next(Car.objects.iterator()) class AllowedDatabaseQueriesTests(SimpleTestCase): allow_database_queries = True def test_allowed_database_queries(self): Car.objects.first() @isolate_apps('test_utils', attr_name='class_apps') class IsolatedAppsTests(SimpleTestCase): def test_installed_apps(self): self.assertEqual([app_config.label for app_config in self.class_apps.get_app_configs()], ['test_utils']) def test_class_decoration(self): class ClassDecoration(models.Model): pass self.assertEqual(ClassDecoration._meta.apps, self.class_apps) @isolate_apps('test_utils', kwarg_name='method_apps') def test_method_decoration(self, method_apps): class MethodDecoration(models.Model): pass self.assertEqual(MethodDecoration._meta.apps, method_apps) def test_context_manager(self): with isolate_apps('test_utils') as context_apps: class ContextManager(models.Model): pass self.assertEqual(ContextManager._meta.apps, context_apps) @isolate_apps('test_utils', kwarg_name='method_apps') def test_nested(self, method_apps): class MethodDecoration(models.Model): pass with isolate_apps('test_utils') as context_apps: class ContextManager(models.Model): pass with isolate_apps('test_utils') as nested_context_apps: class NestedContextManager(models.Model): pass self.assertEqual(MethodDecoration._meta.apps, method_apps) self.assertEqual(ContextManager._meta.apps, context_apps) self.assertEqual(NestedContextManager._meta.apps, nested_context_apps)