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Add test for ModelTracker before first model save

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Trey Hunner 2013-03-20 08:45:19 -07:00
parent cddcbd4e42
commit 4156fa40e9
1 changed files with 21 additions and 0 deletions
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21
model_utils/tests/tests.py
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@ -700,6 +700,27 @@ class ModelTrackerTests(ModelTrackerTestCase, ModelTrackerCommonTests):
def test_descriptor(self):
self.assertTrue(isinstance(Tracked.tracker, ModelTracker))
def test_first_save(self):
self.assertHasChanged(name=True, number=True)
self.assertPrevious(name=None, number=None)
self.assertCurrent(name='', number=None, id=None)
self.assertChanged()
self.instance.name = 'retro'
self.instance.number = 4
self.assertHasChanged(name=True, number=True)
self.assertPrevious(name=None, number=None)
self.assertCurrent(name='retro', number=4, id=None)
self.assertChanged()
# Django 1.4 doesn't have update_fields
if django.VERSION >= (1, 5, 0):
self.instance.save(update_fields=[])
self.assertHasChanged(name=True, number=True)
self.assertPrevious(name=None, number=None)
self.assertCurrent(name='retro', number=4, id=None)
self.assertChanged()
self.assertRaises(ValueError, self.instance.save,
update_fields=['number'])
def test_post_save_has_changed(self):
self.update_instance(name='retro', number=4)
self.assertHasChanged(name=False, number=False)