diff options
Diffstat (limited to 'tests/db_functions/datetime')
| -rw-r--r-- | tests/db_functions/datetime/test_extract_trunc.py | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/tests/db_functions/datetime/test_extract_trunc.py b/tests/db_functions/datetime/test_extract_trunc.py index 99d33b252c..065a06f4be 100644 --- a/tests/db_functions/datetime/test_extract_trunc.py +++ b/tests/db_functions/datetime/test_extract_trunc.py @@ -66,11 +66,14 @@ class DateFunctionTests(TestCase): def create_model(self, start_datetime, end_datetime): return DTModel.objects.create( - name=start_datetime.isoformat(), - start_datetime=start_datetime, end_datetime=end_datetime, - start_date=start_datetime.date(), end_date=end_datetime.date(), - start_time=start_datetime.time(), end_time=end_datetime.time(), - duration=(end_datetime - start_datetime), + name=start_datetime.isoformat() if start_datetime else 'None', + start_datetime=start_datetime, + end_datetime=end_datetime, + start_date=start_datetime.date() if start_datetime else None, + end_date=end_datetime.date() if end_datetime else None, + start_time=start_datetime.time() if start_datetime else None, + end_time=end_datetime.time() if end_datetime else None, + duration=(end_datetime - start_datetime) if start_datetime and end_datetime else None, ) def test_extract_year_exact_lookup(self): @@ -215,6 +218,12 @@ class DateFunctionTests(TestCase): self.assertEqual(DTModel.objects.filter(start_date__month=Extract('start_date', 'month')).count(), 2) self.assertEqual(DTModel.objects.filter(start_time__hour=Extract('start_time', 'hour')).count(), 2) + def test_extract_none(self): + self.create_model(None, None) + for t in (Extract('start_datetime', 'year'), Extract('start_date', 'year'), Extract('start_time', 'hour')): + with self.subTest(t): + self.assertIsNone(DTModel.objects.annotate(extracted=t).first().extracted) + @skipUnlessDBFeature('has_native_duration_field') def test_extract_duration(self): start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321) @@ -608,6 +617,12 @@ class DateFunctionTests(TestCase): qs = DTModel.objects.filter(start_datetime__date=Trunc('start_datetime', 'day', output_field=DateField())) self.assertEqual(qs.count(), 2) + def test_trunc_none(self): + self.create_model(None, None) + for t in (Trunc('start_datetime', 'year'), Trunc('start_date', 'year'), Trunc('start_time', 'hour')): + with self.subTest(t): + self.assertIsNone(DTModel.objects.annotate(truncated=t).first().truncated) + def test_trunc_year_func(self): start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321) end_datetime = truncate_to(datetime(2016, 6, 15, 14, 10, 50, 123), 'year') @@ -761,6 +776,10 @@ class DateFunctionTests(TestCase): with self.assertRaisesMessage(ValueError, "Cannot truncate TimeField 'start_time' to DateField"): list(DTModel.objects.annotate(truncated=TruncDate('start_time', output_field=TimeField()))) + def test_trunc_date_none(self): + self.create_model(None, None) + self.assertIsNone(DTModel.objects.annotate(truncated=TruncDate('start_datetime')).first().truncated) + def test_trunc_time_func(self): start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321) end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123) @@ -785,6 +804,10 @@ class DateFunctionTests(TestCase): with self.assertRaisesMessage(ValueError, "Cannot truncate DateField 'start_date' to TimeField"): list(DTModel.objects.annotate(truncated=TruncTime('start_date', output_field=DateField()))) + def test_trunc_time_none(self): + self.create_model(None, None) + self.assertIsNone(DTModel.objects.annotate(truncated=TruncTime('start_datetime')).first().truncated) + def test_trunc_day_func(self): start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321) end_datetime = truncate_to(datetime(2016, 6, 15, 14, 10, 50, 123), 'day') |