[1.5.x] Use new TestCase methods for equality comparisons

Backport of 8d35fd4c32 from master

django/contrib/formtools/tests/wizard/cookiestorage.py

@@ -43,5 +43,5 @@ class TestCookieStorage(TestStorage, TestCase):
         storage.init_data()
         storage.update_response(response)
         unsigned_cookie_data = cookie_signer.unsign(response.cookies[storage.prefix].value)
-        self.assertEqual(json.loads(unsigned_cookie_data),
+        self.assertJSONEqual(unsigned_cookie_data,
             {"step_files": {}, "step": None, "extra_data": {}, "step_data": {}})

tests/modeltests/field_subclassing/tests.py

@@ -61,7 +61,11 @@ class CustomField(TestCase):
 
         # Serialization works, too.
         stream = serializers.serialize("json", MyModel.objects.all())
-        self.assertEqual(stream, '[{"pk": %d, "model": "field_subclassing.mymodel", "fields": {"data": "12", "name": "m"}}]' % m1.pk)
+        self.assertJSONEqual(stream, [{
+            "pk": m1.pk,
+            "model": "field_subclassing.mymodel",
+            "fields": {"data": "12", "name": "m"}
+        }])
 
         obj = list(serializers.deserialize("json", stream))[0]
         self.assertEqual(obj.object, m)

tests/modeltests/fixtures/tests.py

@@ -22,7 +22,7 @@ class TestCaseFixtureLoadingTests(TestCase):
         ])
 
 
-class FixtureLoadingTests(TestCase):
+class DumpDataAssertMixin(object):
 
     def _dumpdata_assert(self, args, output, format='json', natural_keys=False,
                          use_base_manager=False, exclude_list=[]):
@@ -34,8 +34,16 @@ class FixtureLoadingTests(TestCase):
                                                       'use_base_manager': use_base_manager,
                                                       'exclude': exclude_list})
         command_output = new_io.getvalue().strip()
+        if format == "json":
+            self.assertJSONEqual(command_output, output)
+        elif format == "xml":
+            self.assertXMLEqual(command_output, output)
+        else:
             self.assertEqual(command_output, output)
 
+
+class FixtureLoadingTests(DumpDataAssertMixin, TestCase):
+
     def test_initial_data(self):
         # syncdb introduces 1 initial data object from initial_data.json.
         self.assertQuerysetEqual(Book.objects.all(), [
@@ -290,12 +298,7 @@ class FixtureLoadingTests(TestCase):
 <django-objects version="1.0"><object pk="1" model="fixtures.category"><field type="CharField" name="title">News Stories</field><field type="TextField" name="description">Latest news stories</field></object><object pk="2" model="fixtures.article"><field type="CharField" name="headline">Poker has no place on ESPN</field><field type="DateTimeField" name="pub_date">2006-06-16T12:00:00</field></object><object pk="3" model="fixtures.article"><field type="CharField" name="headline">Time to reform copyright</field><field type="DateTimeField" name="pub_date">2006-06-16T13:00:00</field></object><object pk="1" model="fixtures.tag"><field type="CharField" name="name">copyright</field><field to="contenttypes.contenttype" name="tagged_type" rel="ManyToOneRel"><natural>fixtures</natural><natural>article</natural></field><field type="PositiveIntegerField" name="tagged_id">3</field></object><object pk="2" model="fixtures.tag"><field type="CharField" name="name">law</field><field to="contenttypes.contenttype" name="tagged_type" rel="ManyToOneRel"><natural>fixtures</natural><natural>article</natural></field><field type="PositiveIntegerField" name="tagged_id">3</field></object><object pk="1" model="fixtures.person"><field type="CharField" name="name">Django Reinhardt</field></object><object pk="2" model="fixtures.person"><field type="CharField" name="name">Stephane Grappelli</field></object><object pk="3" model="fixtures.person"><field type="CharField" name="name">Prince</field></object><object pk="10" model="fixtures.book"><field type="CharField" name="name">Achieving self-awareness of Python programs</field><field to="fixtures.person" name="authors" rel="ManyToManyRel"></field></object></django-objects>""", format='xml', natural_keys=True)
 
 
-class FixtureTransactionTests(TransactionTestCase):
-    def _dumpdata_assert(self, args, output, format='json'):
-        new_io = six.StringIO()
-        management.call_command('dumpdata', *args, **{'format': format, 'stdout': new_io})
-        command_output = new_io.getvalue().strip()
-        self.assertEqual(command_output, output)
+class FixtureTransactionTests(DumpDataAssertMixin, TransactionTestCase):
 
     @skipUnlessDBFeature('supports_forward_references')
     def test_format_discovery(self):

tests/regressiontests/admin_changelist/tests.py

@@ -122,12 +122,11 @@ class ChangeListTests(TestCase):
         table_output = template.render(context)
         # make sure that hidden fields are in the correct place
         hiddenfields_div = '<div class="hiddenfields"><input type="hidden" name="form-0-id" value="%d" id="id_form-0-id" /></div>' % new_child.id
-        self.assertFalse(table_output.find(hiddenfields_div) == -1,
-            'Failed to find hidden fields in: %s' % table_output)
+        self.assertInHTML(hiddenfields_div, table_output, msg_prefix='Failed to find hidden fields')
+
         # make sure that list editable fields are rendered in divs correctly
         editable_name_field = '<input name="form-0-name" value="name" class="vTextField" maxlength="30" type="text" id="id_form-0-name" />'
-        self.assertFalse('<td>%s</td>' % editable_name_field == -1,
-            'Failed to find "name" list_editable field in: %s' % table_output)
+        self.assertInHTML('<td>%s</td>' % editable_name_field, table_output, msg_prefix='Failed to find "name" list_editable field')
 
     def test_result_list_editable(self):
         """

tests/regressiontests/fixtures_regress/tests.py

@@ -358,7 +358,7 @@ class TestFixtures(TestCase):
             format='json',
             stdout=stdout
         )
-        self.assertEqual(
+        self.assertJSONEqual(
             stdout.getvalue(),
             """[{"pk": %d, "model": "fixtures_regress.widget", "fields": {"name": "grommet"}}]"""
             % widget.pk
@@ -519,7 +519,7 @@ class NaturalKeyFixtureTests(TestCase):
             use_natural_keys=True,
             stdout=stdout,
         )
-        self.assertEqual(
+        self.assertJSONEqual(
             stdout.getvalue(),
             """[{"pk": 2, "model": "fixtures_regress.store", "fields": {"main": null, "name": "Amazon"}}, {"pk": 3, "model": "fixtures_regress.store", "fields": {"main": null, "name": "Borders"}}, {"pk": 4, "model": "fixtures_regress.person", "fields": {"name": "Neal Stephenson"}}, {"pk": 1, "model": "fixtures_regress.book", "fields": {"stores": [["Amazon"], ["Borders"]], "name": "Cryptonomicon", "author": ["Neal Stephenson"]}}]"""
         )

tests/regressiontests/i18n/tests.py

@@ -634,7 +634,7 @@ class FormattingTests(TestCase):
             self.assertEqual(datetime.datetime(2009, 12, 31, 6, 0, 0), form6.cleaned_data['date_added'])
             with self.settings(USE_THOUSAND_SEPARATOR=True):
                 # Checking for the localized "products_delivered" field
-                self.assertTrue('<input type="text" name="products_delivered" value="12.000" id="id_products_delivered" />' in form6.as_ul())
+                self.assertInHTML('<input type="text" name="products_delivered" value="12.000" id="id_products_delivered" />', form6.as_ul())
 
     def test_iter_format_modules(self):
         """

tests/regressiontests/m2m_through_regress/tests.py

@@ -71,12 +71,12 @@ class M2MThroughTestCase(TestCase):
 
         out = StringIO()
         management.call_command("dumpdata", "m2m_through_regress", format="json", stdout=out)
-        self.assertEqual(out.getvalue().strip(), """[{"pk": %(m_pk)s, "model": "m2m_through_regress.membership", "fields": {"person": %(p_pk)s, "price": 100, "group": %(g_pk)s}}, {"pk": %(p_pk)s, "model": "m2m_through_regress.person", "fields": {"name": "Bob"}}, {"pk": %(g_pk)s, "model": "m2m_through_regress.group", "fields": {"name": "Roll"}}]""" % pks)
+        self.assertJSONEqual(out.getvalue().strip(), """[{"pk": %(m_pk)s, "model": "m2m_through_regress.membership", "fields": {"person": %(p_pk)s, "price": 100, "group": %(g_pk)s}}, {"pk": %(p_pk)s, "model": "m2m_through_regress.person", "fields": {"name": "Bob"}}, {"pk": %(g_pk)s, "model": "m2m_through_regress.group", "fields": {"name": "Roll"}}]""" % pks)
 
         out = StringIO()
         management.call_command("dumpdata", "m2m_through_regress", format="xml",
             indent=2, stdout=out)
-        self.assertEqual(out.getvalue().strip(), """
+        self.assertXMLEqual(out.getvalue().strip(), """
 <?xml version="1.0" encoding="utf-8"?>
 <django-objects version="1.0">
   <object pk="%(m_pk)s" model="m2m_through_regress.membership">
@@ -229,4 +229,4 @@ class ThroughLoadDataTestCase(TestCase):
         "Check that sequences on an m2m_through are created for the through model, not a phantom auto-generated m2m table. Refs #11107"
         out = StringIO()
         management.call_command("dumpdata", "m2m_through_regress", format="json", stdout=out)
-        self.assertEqual(out.getvalue().strip(), """[{"pk": 1, "model": "m2m_through_regress.usermembership", "fields": {"price": 100, "group": 1, "user": 1}}, {"pk": 1, "model": "m2m_through_regress.person", "fields": {"name": "Guido"}}, {"pk": 1, "model": "m2m_through_regress.group", "fields": {"name": "Python Core Group"}}]""")
+        self.assertJSONEqual(out.getvalue().strip(), """[{"pk": 1, "model": "m2m_through_regress.usermembership", "fields": {"price": 100, "group": 1, "user": 1}}, {"pk": 1, "model": "m2m_through_regress.person", "fields": {"name": "Guido"}}, {"pk": 1, "model": "m2m_through_regress.group", "fields": {"name": "Python Core Group"}}]""")