def setUp(self):
self.model = Article
self.attr = 'author'
self.callback = MagicMock()
self.watcher = RelatedWatcher(self.model,
self.attr,
self.callback)
self.addCleanup(self.watcher.unwatch)
class ObserverWatchersRelatedWatcherTestCaseOneToManyRel(TestCase):
def setUp(self):
self.model = Article
self.attr = 'author'
self.callback = MagicMock()
self.watcher = RelatedWatcher(self.model,
self.attr,
self.callback)
self.addCleanup(self.watcher.unwatch)
def test_callback_not_called_on_create_without_watch(self):
ArticleFactory()
# have not watched, thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_called_on_create_with_watch(self):
self.watcher.watch()
new_instance = ArticleFactory()
# callback should be called with newly created instance
self.callback.assert_called_once_with(
obj=new_instance, attr=self.attr, sender=self.watcher)
def test_callback_not_called_on_create_without_call_on_created(self):
self.watcher.watch(call_on_created=False)
ArticleFactory()
# have not watched, thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_not_called_on_modification_without_watch(self):
new_instance = ArticleFactory()
new_instance.author = UserFactory()
new_instance.save()
# have not watched, thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_called_on_modification_with_watch(self):
new_instance = ArticleFactory()
self.watcher.watch()
new_instance.author = UserFactory()
new_instance.save()
# callback should be called with instance modification
self.callback.assert_called_once_with(
obj=new_instance, attr=self.attr, sender=self.watcher)
def test_callback_not_called_on_modification_with_non_interest_attr(self):
new_instance = ArticleFactory()
new_instance.content = 'modified'
new_instance.save()
# content is not watched thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_not_called_on_related_modification_without_watch(self):
new_instance = ArticleFactory()
user = new_instance.author
user.label = 'modified'
user.save()
# have not watched, thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_called_on_related_modification_with_watch(self):
new_instance = ArticleFactory()
self.watcher.watch()
user = new_instance.author
user.label = 'modified'
user.save()
# callback should be called with instance modification
self.callback.assert_called_once_with(
obj=new_instance, attr=self.attr, sender=self.watcher)
class ObserverWatchersRelatedWatcherTestCaseRevOneToOneRel(TestCase):
def setUp(self):
self.model = Article
self.attr = 'revision'
self.callback = MagicMock()
self.watcher = RelatedWatcher(self.model,
self.attr,
self.callback)
self.addCleanup(self.watcher.unwatch)
def test_callback_not_called_on_create_without_watch(self):
ArticleFactory()
# have not watched, thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_called_on_create_with_watch(self):
self.watcher.watch()
new_instance = ArticleFactory()
# callback should be called with newly created instance
self.callback.assert_called_once_with(
obj=new_instance, attr=self.attr, sender=self.watcher)
def test_callback_not_called_on_create_without_call_on_created(self):
self.watcher.watch(call_on_created=False)
ArticleFactory()
# have not watched, thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_not_called_on_modification_without_watch(self):
new_instance = ArticleFactory()
new_instance.revision = RevisionFactory()
new_instance.save()
# have not watched, thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_called_on_modification_with_watch(self):
new_instance = ArticleFactory(revision=None)
new_revision = RevisionFactory()
self.watcher.watch()
# reverse assignment does not work (it is django's definition)
new_instance.revision = new_revision
new_instance.save()
self.assertRaises(
ObjectDoesNotExist,
lambda: Article.objects.get(pk=new_instance.pk).revision)
# thus assign directly to new_revision
new_revision.article = new_instance
new_revision.save()
# callback should be called with instance modification
self.callback.assert_called_once_with(
obj=new_instance, attr=self.attr, sender=self.watcher)
def test_callback_not_called_on_modification_with_non_interest_attr(self):
new_instance = ArticleFactory()
new_instance.content = 'modified'
new_instance.save()
# content is not watched thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_not_called_on_related_modification_without_watch(self):
new_instance = ArticleFactory()
revision = new_instance.revision
revision.label = 'modified'
revision.save()
# have not watched, thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_called_on_related_modification_with_watch(self):
new_instance = ArticleFactory()
self.watcher.watch()
revision = new_instance.revision
revision.label = 'modified'
revision.save()
# callback should be called with instance modification
self.callback.assert_called_once_with(
obj=new_instance, attr=self.attr, sender=self.watcher)
def setUp(self):
self.model = Article
self.attr = 'author'
self.callback = MagicMock()
self.watcher = RelatedWatcher(self.model, self.attr, self.callback)
self.addCleanup(self.watcher.unwatch)
class ObserverWatchersRelatedWatcherTestCaseOneToManyRel(TestCase):
def setUp(self):
self.model = Article
self.attr = 'author'
self.callback = MagicMock()
self.watcher = RelatedWatcher(self.model, self.attr, self.callback)
self.addCleanup(self.watcher.unwatch)
def test_callback_not_called_on_create_without_watch(self):
ArticleFactory()
# have not watched, thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_called_on_create_with_watch(self):
self.watcher.watch()
new_instance = ArticleFactory()
# callback should be called with newly created instance
self.callback.assert_called_once_with(obj=new_instance,
attr=self.attr,
sender=self.watcher)
def test_callback_not_called_on_create_without_call_on_created(self):
self.watcher.watch(call_on_created=False)
ArticleFactory()
# have not watched, thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_not_called_on_modification_without_watch(self):
new_instance = ArticleFactory()
new_instance.author = UserFactory()
new_instance.save()
# have not watched, thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_called_on_modification_with_watch(self):
new_instance = ArticleFactory()
self.watcher.watch()
new_instance.author = UserFactory()
new_instance.save()
# callback should be called with instance modification
self.callback.assert_called_once_with(obj=new_instance,
attr=self.attr,
sender=self.watcher)
def test_callback_not_called_on_modification_with_non_interest_attr(self):
new_instance = ArticleFactory()
new_instance.content = 'modified'
new_instance.save()
# content is not watched thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_not_called_on_related_modification_without_watch(self):
new_instance = ArticleFactory()
user = new_instance.author
user.label = 'modified'
user.save()
# have not watched, thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_called_on_related_modification_with_watch(self):
new_instance = ArticleFactory()
self.watcher.watch()
user = new_instance.author
user.label = 'modified'
user.save()
# callback should be called with instance modification
self.callback.assert_called_once_with(obj=new_instance,
attr=self.attr,
sender=self.watcher)
class ObserverWatchersRelatedWatcherTestCaseRevOneToOneRel(TestCase):
def setUp(self):
self.model = Article
self.attr = 'revision'
self.callback = MagicMock()
self.watcher = RelatedWatcher(self.model, self.attr, self.callback)
self.addCleanup(self.watcher.unwatch)
def test_callback_not_called_on_create_without_watch(self):
ArticleFactory()
# have not watched, thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_called_on_create_with_watch(self):
self.watcher.watch()
new_instance = ArticleFactory()
# callback should be called with newly created instance
self.callback.assert_called_once_with(obj=new_instance,
attr=self.attr,
sender=self.watcher)
def test_callback_not_called_on_create_without_call_on_created(self):
self.watcher.watch(call_on_created=False)
ArticleFactory()
# have not watched, thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_not_called_on_modification_without_watch(self):
new_instance = ArticleFactory()
new_instance.revision = RevisionFactory()
new_instance.save()
# have not watched, thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_called_on_modification_with_watch(self):
new_instance = ArticleFactory(revision=None)
new_revision = RevisionFactory()
self.watcher.watch()
# reverse assignment does not work (it is django's definition)
new_instance.revision = new_revision
new_instance.save()
self.assertRaises(
ObjectDoesNotExist,
lambda: Article.objects.get(pk=new_instance.pk).revision)
# thus assign directly to new_revision
new_revision.article = new_instance
new_revision.save()
# callback should be called with instance modification
self.callback.assert_called_once_with(obj=new_instance,
attr=self.attr,
sender=self.watcher)
def test_callback_not_called_on_modification_with_non_interest_attr(self):
new_instance = ArticleFactory()
new_instance.content = 'modified'
new_instance.save()
# content is not watched thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_not_called_on_related_modification_without_watch(self):
new_instance = ArticleFactory()
revision = new_instance.revision
revision.label = 'modified'
revision.save()
# have not watched, thus callback should not be called
self.assertFalse(self.callback.called)
def test_callback_called_on_related_modification_with_watch(self):
new_instance = ArticleFactory()
self.watcher.watch()
revision = new_instance.revision
revision.label = 'modified'
revision.save()
# callback should be called with instance modification
self.callback.assert_called_once_with(obj=new_instance,
attr=self.attr,
sender=self.watcher)
