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167 lines
7.4 KiB
Python
167 lines
7.4 KiB
Python
import warnings
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from django import test
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from django.contrib.contenttypes.fields import GenericRelation
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from django.core.exceptions import FieldDoesNotExist
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from django.db.models.fields import CharField, related
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from django.utils.deprecation import RemovedInDjango20Warning
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from .models import BasePerson, Person
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from .results import TEST_RESULTS
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class OptionsBaseTests(test.TestCase):
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def _map_related_query_names(self, res):
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return tuple((o.field.related_query_name(), m) for o, m in res)
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def _map_names(self, res):
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return tuple((f.name, m) for f, m in res)
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class M2MTests(OptionsBaseTests):
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def test_many_to_many_with_model(self):
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for model, expected_result in TEST_RESULTS['many_to_many_with_model'].items():
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with warnings.catch_warnings(record=True) as warning:
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warnings.simplefilter("always")
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models = [model for field, model in model._meta.get_m2m_with_model()]
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self.assertEqual([RemovedInDjango20Warning], [w.message.__class__ for w in warning])
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self.assertEqual(models, expected_result)
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@test.ignore_warnings(category=RemovedInDjango20Warning)
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class RelatedObjectsTests(OptionsBaseTests):
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key_name = lambda self, r: r[0]
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def test_related_objects(self):
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result_key = 'get_all_related_objects_with_model_legacy'
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for model, expected in TEST_RESULTS[result_key].items():
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objects = model._meta.get_all_related_objects_with_model()
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self.assertEqual(self._map_related_query_names(objects), expected)
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def test_related_objects_local(self):
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result_key = 'get_all_related_objects_with_model_local_legacy'
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for model, expected in TEST_RESULTS[result_key].items():
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objects = model._meta.get_all_related_objects_with_model(local_only=True)
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self.assertEqual(self._map_related_query_names(objects), expected)
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def test_related_objects_include_hidden(self):
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result_key = 'get_all_related_objects_with_model_hidden_legacy'
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for model, expected in TEST_RESULTS[result_key].items():
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objects = model._meta.get_all_related_objects_with_model(include_hidden=True)
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self.assertEqual(
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sorted(self._map_names(objects), key=self.key_name),
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sorted(expected, key=self.key_name)
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)
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def test_related_objects_include_hidden_local_only(self):
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result_key = 'get_all_related_objects_with_model_hidden_local_legacy'
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for model, expected in TEST_RESULTS[result_key].items():
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objects = model._meta.get_all_related_objects_with_model(
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include_hidden=True, local_only=True)
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self.assertEqual(
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sorted(self._map_names(objects), key=self.key_name),
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sorted(expected, key=self.key_name)
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)
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def test_related_objects_proxy(self):
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result_key = 'get_all_related_objects_with_model_proxy_legacy'
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for model, expected in TEST_RESULTS[result_key].items():
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objects = model._meta.get_all_related_objects_with_model(
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include_proxy_eq=True)
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self.assertEqual(self._map_related_query_names(objects), expected)
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def test_related_objects_proxy_hidden(self):
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result_key = 'get_all_related_objects_with_model_proxy_hidden_legacy'
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for model, expected in TEST_RESULTS[result_key].items():
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objects = model._meta.get_all_related_objects_with_model(
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include_proxy_eq=True, include_hidden=True)
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self.assertEqual(
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sorted(self._map_names(objects), key=self.key_name),
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sorted(expected, key=self.key_name)
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)
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@test.ignore_warnings(category=RemovedInDjango20Warning)
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class RelatedM2MTests(OptionsBaseTests):
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def test_related_m2m_with_model(self):
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result_key = 'get_all_related_many_to_many_with_model_legacy'
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for model, expected in TEST_RESULTS[result_key].items():
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objects = model._meta.get_all_related_m2m_objects_with_model()
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self.assertEqual(self._map_related_query_names(objects), expected)
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def test_related_m2m_local_only(self):
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result_key = 'get_all_related_many_to_many_local_legacy'
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for model, expected in TEST_RESULTS[result_key].items():
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objects = model._meta.get_all_related_many_to_many_objects(local_only=True)
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self.assertEqual([o.field.related_query_name() for o in objects], expected)
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def test_related_m2m_asymmetrical(self):
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m2m = Person._meta.many_to_many
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self.assertTrue('following_base' in [f.attname for f in m2m])
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related_m2m = Person._meta.get_all_related_many_to_many_objects()
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self.assertTrue('followers_base' in [o.field.related_query_name() for o in related_m2m])
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def test_related_m2m_symmetrical(self):
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m2m = Person._meta.many_to_many
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self.assertTrue('friends_base' in [f.attname for f in m2m])
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related_m2m = Person._meta.get_all_related_many_to_many_objects()
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self.assertIn('friends_inherited_rel_+', [o.field.related_query_name() for o in related_m2m])
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@test.ignore_warnings(category=RemovedInDjango20Warning)
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class GetFieldByNameTests(OptionsBaseTests):
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def test_get_data_field(self):
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field_info = Person._meta.get_field_by_name('data_abstract')
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self.assertEqual(field_info[1:], (BasePerson, True, False))
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self.assertIsInstance(field_info[0], CharField)
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def test_get_m2m_field(self):
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field_info = Person._meta.get_field_by_name('m2m_base')
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self.assertEqual(field_info[1:], (BasePerson, True, True))
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self.assertIsInstance(field_info[0], related.ManyToManyField)
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def test_get_related_object(self):
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field_info = Person._meta.get_field_by_name('relating_baseperson')
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self.assertEqual(field_info[1:], (BasePerson, False, False))
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self.assertTrue(field_info[0].auto_created)
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def test_get_related_m2m(self):
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field_info = Person._meta.get_field_by_name('relating_people')
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self.assertEqual(field_info[1:], (None, False, True))
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self.assertTrue(field_info[0].auto_created)
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def test_get_generic_relation(self):
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field_info = Person._meta.get_field_by_name('generic_relation_base')
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self.assertEqual(field_info[1:], (None, True, False))
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self.assertIsInstance(field_info[0], GenericRelation)
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def test_get_m2m_field_invalid(self):
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with warnings.catch_warnings(record=True) as warning:
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warnings.simplefilter("always")
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self.assertRaises(
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FieldDoesNotExist,
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Person._meta.get_field,
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**{'field_name': 'm2m_base', 'many_to_many': False}
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)
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self.assertEqual(Person._meta.get_field('m2m_base', many_to_many=True).name, 'm2m_base')
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# 2 RemovedInDjango20Warning messages should be raised, one for each call of get_field()
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# with the 'many_to_many' argument.
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self.assertEqual(
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[RemovedInDjango20Warning, RemovedInDjango20Warning],
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[w.message.__class__ for w in warning]
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)
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@test.ignore_warnings(category=RemovedInDjango20Warning)
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class GetAllFieldNamesTestCase(OptionsBaseTests):
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def test_get_all_field_names(self):
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for model, expected_names in TEST_RESULTS['get_all_field_names'].items():
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objects = model._meta.get_all_field_names()
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self.assertEqual(sorted(map(str, objects)), sorted(expected_names))
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