def test_set_false(self):
# First instance is True
instance1 = UniqueBooleanTestModel()
self.assertFalse(instance1.unique_bool)
instance1.save()
self.assertTrue(instance1.unique_bool)
# Second instance is set to False
instance2 = UniqueBooleanTestModel()
self.assertFalse(instance2.unique_bool)
instance2.save()
self.assertFalse(instance2.unique_bool)
# First instance remains True
instance1 = UniqueBooleanTestModel.objects.get(id=instance1.id)
self.assertTrue(instance1.unique_bool)
# First instance set to False
instance1.unique_bool = False
instance1.save()
# First instance set to False
instance1 = UniqueBooleanTestModel.objects.get(id=instance1.id)
self.assertFalse(instance1.unique_bool)
# Second instance becomes True
instance2 = UniqueBooleanTestModel.objects.get(id=instance2.id)
self.assertTrue(instance2.unique_bool)
def test_set_true(self):
# First instance is True
instance1 = UniqueBooleanTestModel()
self.assertFalse(instance1.unique_bool)
instance1.save()
self.assertTrue(instance1.unique_bool)
# Second instance is set to True
instance2 = UniqueBooleanTestModel()
instance2.unique_bool = True
self.assertTrue(instance2.unique_bool)
instance2.save()
self.assertTrue(instance2.unique_bool)
# First instance becomes False
instance1 = UniqueBooleanTestModel.objects.get(id=instance1.id)
self.assertFalse(instance1.unique_bool)
def test_create(self):
# First instance is True
instance1 = UniqueBooleanTestModel()
self.assertFalse(instance1.unique_bool)
instance1.save()
self.assertTrue(instance1.unique_bool)
# Second instance is False
instance2 = UniqueBooleanTestModel()
self.assertFalse(instance2.unique_bool)
instance2.save()
self.assertFalse(instance2.unique_bool)
# First instance remains True
instance1 = UniqueBooleanTestModel.objects.get(id=instance1.id)
self.assertTrue(instance1.unique_bool)
def test_delete_bool(self):
# First instance is True
instance1 = UniqueBooleanTestModel()
self.assertFalse(instance1.unique_bool)
instance1.save()
self.assertTrue(instance1.unique_bool)
# Second instance is set to True
instance2 = UniqueBooleanTestModel()
instance2.unique_bool = True
self.assertTrue(instance2.unique_bool)
instance2.save()
self.assertTrue(instance2.unique_bool)
# First instance becomes False
instance1 = UniqueBooleanTestModel.objects.get(id=instance1.id)
self.assertFalse(instance1.unique_bool)
# Delete sole True instance
instance2.delete()
# First instance becomes True
instance1 = UniqueBooleanTestModel.objects.get(id=instance1.id)
self.assertTrue(instance1.unique_bool)
