import StringIO from django.contrib.sites.models import Site from django.core import management from django.test import TestCase, TransactionTestCase, skipUnlessDBFeature from models import Article, Book, Spy, Tag, Visa class TestCaseFixtureLoadingTests(TestCase): fixtures = ['fixture1.json', 'fixture2.json'] def testClassFixtures(self): "Check that test case has installed 4 fixture objects" self.assertEqual(Article.objects.count(), 4) self.assertQuerysetEqual(Article.objects.all(), [ '', '', '', '' ]) class FixtureLoadingTests(TestCase): def _dumpdata_assert(self, args, output, format='json', natural_keys=False, use_base_manager=False, exclude_list=[]): new_io = StringIO.StringIO() management.call_command('dumpdata', *args, **{'format':format, 'stdout':new_io, 'stderr':new_io, 'use_natural_keys':natural_keys, 'use_base_manager':use_base_manager, 'exclude': exclude_list}) command_output = new_io.getvalue().strip() self.assertEqual(command_output, output) def test_initial_data(self): # Syncdb introduces 1 initial data object from initial_data.json. self.assertQuerysetEqual(Article.objects.all(), [ '' ]) def test_loading_and_dumping(self): new_io = StringIO.StringIO() Site.objects.all().delete() # Load fixture 1. Single JSON file, with two objects. management.call_command('loaddata', 'fixture1.json', verbosity=0, commit=False) self.assertQuerysetEqual(Article.objects.all(), [ '', '', '' ]) # Dump the current contents of the database as a JSON fixture self._dumpdata_assert(['fixtures'], '[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}, {"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16 12:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}]') # Try just dumping the contents of fixtures.Category self._dumpdata_assert(['fixtures.Category'], '[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}]') # ...and just fixtures.Article self._dumpdata_assert(['fixtures.Article'], '[{"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16 12:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}]') # ...and both self._dumpdata_assert(['fixtures.Category', 'fixtures.Article'], '[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}, {"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16 12:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}]') # Specify a specific model twice self._dumpdata_assert(['fixtures.Article', 'fixtures.Article'], '[{"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16 12:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}]') # Specify a dump that specifies Article both explicitly and implicitly self._dumpdata_assert(['fixtures.Article', 'fixtures'], '[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}, {"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16 12:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}]') # Same again, but specify in the reverse order self._dumpdata_assert(['fixtures'], '[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}, {"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16 12:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}]') # Specify one model from one application, and an entire other application. self._dumpdata_assert(['fixtures.Category', 'sites'], '[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}, {"pk": 1, "model": "sites.site", "fields": {"domain": "example.com", "name": "example.com"}}]') # Load fixture 2. JSON file imported by default. Overwrites some existing objects management.call_command('loaddata', 'fixture2.json', verbosity=0, commit=False) self.assertQuerysetEqual(Article.objects.all(), [ '', '', '', '' ]) # Load fixture 3, XML format. management.call_command('loaddata', 'fixture3.xml', verbosity=0, commit=False) self.assertQuerysetEqual(Article.objects.all(), [ '', '', '', '', '' ]) # Load fixture 6, JSON file with dynamic ContentType fields. Testing ManyToOne. management.call_command('loaddata', 'fixture6.json', verbosity=0, commit=False) self.assertQuerysetEqual(Tag.objects.all(), [ ' tagged "copyright">', ' tagged "law">' ]) # Load fixture 7, XML file with dynamic ContentType fields. Testing ManyToOne. management.call_command('loaddata', 'fixture7.xml', verbosity=0, commit=False) self.assertQuerysetEqual(Tag.objects.all(), [ ' tagged "copyright">', ' tagged "legal">', ' tagged "django">', ' tagged "world domination">' ]) # Load fixture 8, JSON file with dynamic Permission fields. Testing ManyToMany. management.call_command('loaddata', 'fixture8.json', verbosity=0, commit=False) self.assertQuerysetEqual(Visa.objects.all(), [ '', '', '' ]) # Load fixture 9, XML file with dynamic Permission fields. Testing ManyToMany. management.call_command('loaddata', 'fixture9.xml', verbosity=0, commit=False) self.assertQuerysetEqual(Visa.objects.all(), [ '', '', '' ]) self.assertQuerysetEqual(Book.objects.all(), [ '' ]) # Load a fixture that doesn't exist management.call_command('loaddata', 'unknown.json', verbosity=0, commit=False) # object list is unaffected self.assertQuerysetEqual(Article.objects.all(), [ '', '', '', '', '' ]) # By default, you get raw keys on dumpdata self._dumpdata_assert(['fixtures.book'], '[{"pk": 1, "model": "fixtures.book", "fields": {"name": "Music for all ages", "authors": [3, 1]}}]') # But you can get natural keys if you ask for them and they are available self._dumpdata_assert(['fixtures.book'], '[{"pk": 1, "model": "fixtures.book", "fields": {"name": "Music for all ages", "authors": [["Artist formerly known as \\"Prince\\""], ["Django Reinhardt"]]}}]', natural_keys=True) # Dump the current contents of the database as a JSON fixture self._dumpdata_assert(['fixtures'], '[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}, {"pk": 5, "model": "fixtures.article", "fields": {"headline": "XML identified as leading cause of cancer", "pub_date": "2006-06-16 16:00:00"}}, {"pk": 4, "model": "fixtures.article", "fields": {"headline": "Django conquers world!", "pub_date": "2006-06-16 15:00:00"}}, {"pk": 3, "model": "fixtures.article", "fields": {"headline": "Copyright is fine the way it is", "pub_date": "2006-06-16 14:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker on TV is great!", "pub_date": "2006-06-16 11:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}, {"pk": 1, "model": "fixtures.tag", "fields": {"tagged_type": ["fixtures", "article"], "name": "copyright", "tagged_id": 3}}, {"pk": 2, "model": "fixtures.tag", "fields": {"tagged_type": ["fixtures", "article"], "name": "legal", "tagged_id": 3}}, {"pk": 3, "model": "fixtures.tag", "fields": {"tagged_type": ["fixtures", "article"], "name": "django", "tagged_id": 4}}, {"pk": 4, "model": "fixtures.tag", "fields": {"tagged_type": ["fixtures", "article"], "name": "world domination", "tagged_id": 4}}, {"pk": 3, "model": "fixtures.person", "fields": {"name": "Artist formerly known as \\"Prince\\""}}, {"pk": 1, "model": "fixtures.person", "fields": {"name": "Django Reinhardt"}}, {"pk": 2, "model": "fixtures.person", "fields": {"name": "Stephane Grappelli"}}, {"pk": 1, "model": "fixtures.visa", "fields": {"person": ["Django Reinhardt"], "permissions": [["add_user", "auth", "user"], ["change_user", "auth", "user"], ["delete_user", "auth", "user"]]}}, {"pk": 2, "model": "fixtures.visa", "fields": {"person": ["Stephane Grappelli"], "permissions": [["add_user", "auth", "user"], ["delete_user", "auth", "user"]]}}, {"pk": 3, "model": "fixtures.visa", "fields": {"person": ["Artist formerly known as \\"Prince\\""], "permissions": [["change_user", "auth", "user"]]}}, {"pk": 1, "model": "fixtures.book", "fields": {"name": "Music for all ages", "authors": [["Artist formerly known as \\"Prince\\""], ["Django Reinhardt"]]}}]', natural_keys=True) # Dump the current contents of the database as an XML fixture self._dumpdata_assert(['fixtures'], """ News StoriesLatest news storiesXML identified as leading cause of cancer2006-06-16 16:00:00Django conquers world!2006-06-16 15:00:00Copyright is fine the way it is2006-06-16 14:00:00Poker on TV is great!2006-06-16 11:00:00Python program becomes self aware2006-06-16 11:00:00copyrightfixturesarticle3legalfixturesarticle3djangofixturesarticle4world dominationfixturesarticle4Artist formerly known as "Prince"Django ReinhardtStephane GrappelliDjango Reinhardtadd_userauthuserchange_userauthuserdelete_userauthuserStephane Grappelliadd_userauthuserdelete_userauthuserArtist formerly known as "Prince"change_userauthuserMusic for all agesArtist formerly known as "Prince"Django Reinhardt""", format='xml', natural_keys=True) def test_dumpdata_with_excludes(self): # Load fixture1 which has a site, two articles, and a category Site.objects.all().delete() management.call_command('loaddata', 'fixture1.json', verbosity=0, commit=False) # Excluding fixtures app should only leave sites self._dumpdata_assert( ['sites', 'fixtures'], '[{"pk": 1, "model": "sites.site", "fields": {"domain": "example.com", "name": "example.com"}}]', exclude_list=['fixtures']) # Excluding fixtures.Article should leave fixtures.Category self._dumpdata_assert( ['sites', 'fixtures'], '[{"pk": 1, "model": "sites.site", "fields": {"domain": "example.com", "name": "example.com"}}, {"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}]', exclude_list=['fixtures.Article']) # Excluding fixtures and fixtures.Article should be a no-op self._dumpdata_assert( ['sites', 'fixtures'], '[{"pk": 1, "model": "sites.site", "fields": {"domain": "example.com", "name": "example.com"}}, {"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}]', exclude_list=['fixtures.Article']) # Excluding sites and fixtures.Article should only leave fixtures.Category self._dumpdata_assert( ['sites', 'fixtures'], '[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}]', exclude_list=['fixtures.Article', 'sites']) # Excluding a bogus app should throw an error self.assertRaises(SystemExit, self._dumpdata_assert, ['fixtures', 'sites'], '', exclude_list=['foo_app']) # Excluding a bogus model should throw an error self.assertRaises(SystemExit, self._dumpdata_assert, ['fixtures', 'sites'], '', exclude_list=['fixtures.FooModel']) def test_dumpdata_with_filtering_manager(self): spy1 = Spy.objects.create(name='Paul') spy2 = Spy.objects.create(name='Alex', cover_blown=True) self.assertQuerysetEqual(Spy.objects.all(), ['']) # Use the default manager self._dumpdata_assert(['fixtures.Spy'],'[{"pk": %d, "model": "fixtures.spy", "fields": {"cover_blown": false}}]' % spy1.pk) # Dump using Django's base manager. Should return all objects, # even those normally filtered by the manager self._dumpdata_assert(['fixtures.Spy'], '[{"pk": %d, "model": "fixtures.spy", "fields": {"cover_blown": true}}, {"pk": %d, "model": "fixtures.spy", "fields": {"cover_blown": false}}]' % (spy2.pk, spy1.pk), use_base_manager=True) def test_compress_format_loading(self): # Load fixture 4 (compressed), using format specification management.call_command('loaddata', 'fixture4.json', verbosity=0, commit=False) self.assertQuerysetEqual(Article.objects.all(), [ '', '' ]) def test_compressed_specified_loading(self): # Load fixture 5 (compressed), using format *and* compression specification management.call_command('loaddata', 'fixture5.json.zip', verbosity=0, commit=False) self.assertQuerysetEqual(Article.objects.all(), [ '', '' ]) def test_compressed_loading(self): # Load fixture 5 (compressed), only compression specification management.call_command('loaddata', 'fixture5.zip', verbosity=0, commit=False) self.assertQuerysetEqual(Article.objects.all(), [ '', '' ]) def test_ambiguous_compressed_fixture(self): # The name "fixture5" is ambigous, so loading it will raise an error new_io = StringIO.StringIO() management.call_command('loaddata', 'fixture5', verbosity=0, stderr=new_io, commit=False) output = new_io.getvalue().strip().split('\n') self.assertEqual(len(output), 1) self.assertTrue(output[0].startswith("Multiple fixtures named 'fixture5'")) def test_db_loading(self): # Load db fixtures 1 and 2. These will load using the 'default' database identifier implicitly management.call_command('loaddata', 'db_fixture_1', verbosity=0, commit=False) management.call_command('loaddata', 'db_fixture_2', verbosity=0, commit=False) self.assertQuerysetEqual(Article.objects.all(), [ '', '', '' ]) def test_loaddata_error_message(self): """ Verifies that loading a fixture which contains an invalid object outputs an error message which contains the pk of the object that triggered the error. """ new_io = StringIO.StringIO() management.call_command('loaddata', 'invalid.json', verbosity=0, stderr=new_io, commit=False) output = new_io.getvalue().strip().split('\n') self.assertRegexpMatches(output[-1], "IntegrityError: Could not load fixtures.Article\(pk=1\): .*$") def test_loading_using(self): # Load db fixtures 1 and 2. These will load using the 'default' database identifier explicitly management.call_command('loaddata', 'db_fixture_1', verbosity=0, using='default', commit=False) management.call_command('loaddata', 'db_fixture_2', verbosity=0, using='default', commit=False) self.assertQuerysetEqual(Article.objects.all(), [ '', '', '' ]) def test_unmatched_identifier_loading(self): # Try to load db fixture 3. This won't load because the database identifier doesn't match management.call_command('loaddata', 'db_fixture_3', verbosity=0, commit=False) self.assertQuerysetEqual(Article.objects.all(), [ '' ]) management.call_command('loaddata', 'db_fixture_3', verbosity=0, using='default', commit=False) self.assertQuerysetEqual(Article.objects.all(), [ '' ]) def test_output_formats(self): # Load back in fixture 1, we need the articles from it management.call_command('loaddata', 'fixture1', verbosity=0, commit=False) # Try to load fixture 6 using format discovery management.call_command('loaddata', 'fixture6', verbosity=0, commit=False) self.assertQuerysetEqual(Tag.objects.all(), [ ' tagged "copyright">', ' tagged "law">' ]) # Dump the current contents of the database as a JSON fixture self._dumpdata_assert(['fixtures'], '[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}, {"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16 12:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}, {"pk": 1, "model": "fixtures.tag", "fields": {"tagged_type": ["fixtures", "article"], "name": "copyright", "tagged_id": 3}}, {"pk": 2, "model": "fixtures.tag", "fields": {"tagged_type": ["fixtures", "article"], "name": "law", "tagged_id": 3}}, {"pk": 1, "model": "fixtures.person", "fields": {"name": "Django Reinhardt"}}, {"pk": 3, "model": "fixtures.person", "fields": {"name": "Prince"}}, {"pk": 2, "model": "fixtures.person", "fields": {"name": "Stephane Grappelli"}}]', natural_keys=True) # Dump the current contents of the database as an XML fixture self._dumpdata_assert(['fixtures'], """ News StoriesLatest news storiesTime to reform copyright2006-06-16 13:00:00Poker has no place on ESPN2006-06-16 12:00:00Python program becomes self aware2006-06-16 11:00:00copyrightfixturesarticle3lawfixturesarticle3Django ReinhardtPrinceStephane Grappelli""", format='xml', natural_keys=True) class FixtureTransactionTests(TransactionTestCase): def _dumpdata_assert(self, args, output, format='json'): new_io = StringIO.StringIO() management.call_command('dumpdata', *args, **{'format':format, 'stdout':new_io}) command_output = new_io.getvalue().strip() self.assertEqual(command_output, output) @skipUnlessDBFeature('supports_forward_references') def test_format_discovery(self): # Load fixture 1 again, using format discovery management.call_command('loaddata', 'fixture1', verbosity=0, commit=False) self.assertQuerysetEqual(Article.objects.all(), [ '', '', '' ]) # Try to load fixture 2 using format discovery; this will fail # because there are two fixture2's in the fixtures directory new_io = StringIO.StringIO() management.call_command('loaddata', 'fixture2', verbosity=0, stderr=new_io) output = new_io.getvalue().strip().split('\n') self.assertEqual(len(output), 1) self.assertTrue(output[0].startswith("Multiple fixtures named 'fixture2'")) # object list is unaffected self.assertQuerysetEqual(Article.objects.all(), [ '', '', '' ]) # Dump the current contents of the database as a JSON fixture self._dumpdata_assert(['fixtures'], '[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}, {"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16 12:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}]') # Load fixture 4 (compressed), using format discovery management.call_command('loaddata', 'fixture4', verbosity=0, commit=False) self.assertQuerysetEqual(Article.objects.all(), [ '', '', '', '' ])