def test_post_save_unchanged(self):
with must_be_called(False) as func:
post_save_changed.connect(func, sender=FakeModel)
obj = FakeModel()
post_init.send(instance=obj, sender=FakeModel)
# This *doesn't* call post_save_changed, because we haven't changed anything.
post_save.send(instance=obj, sender=FakeModel)
def test_post_save_with_fields_unchanged(self):
with must_be_called(False) as func:
post_save_changed.connect(func, sender=FakeModel, fields=('a_key',))
obj = FakeModel()
post_init.send(instance=obj, sender=FakeModel)
obj.another = 'dont care about this field'
post_save.send(instance=obj, sender=FakeModel)
def test_post_save_with_fields_changed(self):
with must_be_called(True) as func:
post_save_changed.connect(func, sender=FakeModel, fields=('a_key',))
obj = FakeModel()
post_init.send(instance=obj, sender=FakeModel)
obj.a_key = 'change a field that we care about'
post_save.send(instance=obj, sender=FakeModel)
def test_post_save_changed(self):
with must_be_called(True) as func:
post_save_changed.connect(func, sender=FakeModel)
obj = FakeModel()
post_init.send(instance=obj, sender=FakeModel)
obj.a_key = 'another value'
post_save.send(instance=obj, sender=FakeModel)
def test_post_save_changed(self):
with must_be_called(True) as func:
post_save_changed.connect(func, sender=FakeModel)
obj = FakeModel()
post_init.send(instance=obj, sender=FakeModel)
obj.a_key = "another value"
post_save.send(instance=obj, sender=FakeModel)
assert func.kwargs["changed_fields"] == {
"a_key": ("a value", "another value")
}
def test_post_save_with_fields_changed(self):
with must_be_called(True) as func:
post_save_changed.connect(func,
sender=FakeModel,
fields=("a_key", ))
obj = FakeModel()
post_init.send(instance=obj, sender=FakeModel)
obj.a_key = "change a field that we care about"
post_save.send(instance=obj, sender=FakeModel)
assert func.kwargs["changed_fields"] == {
"a_key": ("a value", "change a field that we care about")
}
def test_m2m_fields_error(self):
with must_be_called(False) as func:
with self.assertRaises(ValueError):
post_save_changed.connect(func, sender=FakeModel, fields=('m2m',))
def test_app_cache_not_ready(self):
apps.models_ready = False
with self.assertRaisesRegexp(AppRegistryNotReady, r"django-fieldsignals signals.*"):
post_save_changed.connect(func, sender=FakeModel)
def test_one_to_one_rel_field_error(self):
with must_be_called(False) as func:
with pytest.raises(ValueError):
post_save_changed.connect(func,
sender=FakeModelWithOneToOne,
fields=("o2o", "f"))
def test_one_to_one_rel_excluded(self):
with must_be_called(False) as func:
post_save_changed.connect(func, sender=FakeModelWithOneToOne)
def test_one_to_one_rel_field_error(self):
with must_be_called(False) as func:
with self.assertRaises(ValueError):
post_save_changed.connect(func,
sender=FakeModelWithOneToOne,
fields=('o2o', 'f'))
def test_m2m_fields_error(self):
with must_be_called(False) as func:
with self.assertRaises(ValueError):
post_save_changed.connect(func,
sender=FakeModel,
fields=('m2m', ))
def test_app_cache_not_ready(self):
apps.models_ready = False
with pytest.raises(AppRegistryNotReady):
post_save_changed.connect(func, sender=FakeModel)
def test_one_to_one_rel_field_error(self):
with must_be_called(False) as func:
with self.assertRaises(ValueError):
post_save_changed.connect(func, sender=FakeModelWithOneToOne, fields=('o2o', 'f'))
def test_app_cache_not_ready(self):
apps.models_ready = False
with self.assertRaisesRegexp(AppRegistryNotReady,
r"django-fieldsignals signals.*"):
post_save_changed.connect(func, sender=FakeModel)
def test_one_to_one_rel_excluded(self):
with must_be_called(False) as func:
post_save_changed.connect(func, sender=FakeModelWithOneToOne)
def test_m2m_fields_error(self):
with must_be_called(False) as func:
with pytest.raises(ValueError):
post_save_changed.connect(func,
sender=FakeModel,
fields=("m2m", ))
