diff options
| -rw-r--r-- | rest_framework/tests/test_serializer.py | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/rest_framework/tests/test_serializer.py b/rest_framework/tests/test_serializer.py index 6b1e333e..a2013749 100644 --- a/rest_framework/tests/test_serializer.py +++ b/rest_framework/tests/test_serializer.py @@ -880,6 +880,58 @@ class DefaultValueTests(TestCase): self.assertEqual(instance.text, 'overridden') +class WritableFieldDefaultValueTests(TestCase): + + def setUp(self): + self.expected = {'default': 'value'} + self.create_field = fields.WritableField + + def test_get_default_value_with_noncallable(self): + field = self.create_field(default=self.expected) + got = field.get_default_value() + self.assertEqual(got, self.expected) + + def test_get_default_value_with_callable(self): + field = self.create_field(default=lambda : self.expected) + got = field.get_default_value() + self.assertEqual(got, self.expected) + + def test_get_default_value_when_not_required(self): + field = self.create_field(default=self.expected, required=False) + got = field.get_default_value() + self.assertEqual(got, self.expected) + + def test_get_default_value_returns_None(self): + field = self.create_field() + got = field.get_default_value() + self.assertIsNone(got) + + def test_get_default_value_returns_non_True_values(self): + values = [None, '', False, 0, [], (), {}] # values that assumed as 'False' in the 'if' clause + for expected in values: + field = self.create_field(default=expected) + got = field.get_default_value() + self.assertEqual(got, expected) + + +class RelatedFieldDefaultValueTests(WritableFieldDefaultValueTests): + + def setUp(self): + self.expected = {'foo': 'bar'} + self.create_field = relations.RelatedField + + def test_get_default_value_returns_empty_list(self): + field = self.create_field(many=True) + got = field.get_default_value() + self.assertListEqual(got, []) + + def test_get_default_value_returns_expected(self): + expected = [1, 2, 3] + field = self.create_field(many=True, default=expected) + got = field.get_default_value() + self.assertListEqual(got, expected) + + class CallableDefaultValueTests(TestCase): def setUp(self): class CallableDefaultValueSerializer(serializers.ModelSerializer): |