def test_get_field_meta(self):
"""Metadata is always empty for the default implementation."""
adapter = ItemAdapter(self.item_class())
self.assertEqual(adapter.get_field_meta("_undefined_"),
MappingProxyType({}))
self.assertEqual(adapter.get_field_meta("name"), MappingProxyType({}))
self.assertEqual(adapter.get_field_meta("value"), MappingProxyType({}))
def test_metadata_common(self):
adapter = ItemAdapter(self.item_class())
self.assertIsInstance(adapter.get_field_meta("name"), MappingProxyType)
self.assertIsInstance(adapter.get_field_meta("value"),
MappingProxyType)
with self.assertRaises(KeyError):
adapter.get_field_meta("undefined_field")
def test_get_field_meta(self):
adapter = ItemAdapter(self.item_class())
self.assertEqual(adapter.get_field_meta("_undefined_"),
MappingProxyType({}))
self.assertEqual(adapter.get_field_meta("name"),
MappingProxyType({"serializer": str}))
self.assertEqual(adapter.get_field_meta("value"),
MappingProxyType({"serializer": int}))
def test_empty_metadata(self):
adapter = ItemAdapter(self.item_class(name="foo", value=5))
for field_name in ("name", "value", "undefined_field"):
self.assertEqual(adapter.get_field_meta(field_name), MappingProxyType({}))
