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9f18b6bcb0
django/tests/model_meta/test.py
Daniel Pyrathon d862fae5bb Refs #12663 -- Added tests for methods in db.models.options. 
Thanks Russell Keith-Magee and Tim Graham for reviews.
2014-06-19 12:56:36 -04:00

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from django import test
from django.db.models.fields import related, CharField, Field
from django.contrib.contenttypes.fields import GenericForeignKey
from .models import (
AbstractPerson, BasePerson, Person, Relating, Relation
)
TEST_RESULTS = {
'fields': {
Person: [
'id',
'data_abstract',
'fk_abstract_id',
'data_not_concrete_abstract',
'content_type_abstract_id',
'object_id_abstract',
'data_base',
'fk_base_id',
'data_not_concrete_base',
'content_type_base_id',
'object_id_base',
'baseperson_ptr_id',
'data_inherited',
'fk_inherited_id',
'data_not_concrete_inherited',
'content_type_concrete_id',
'object_id_concrete',
],
BasePerson: [
'id',
'data_abstract',
'fk_abstract_id',
'data_not_concrete_abstract',
'content_type_abstract_id',
'object_id_abstract',
'data_base',
'fk_base_id',
'data_not_concrete_base',
'content_type_base_id',
'object_id_base',
],
AbstractPerson: [
'data_abstract',
'fk_abstract_id',
'data_not_concrete_abstract',
'content_type_abstract_id',
'object_id_abstract',
],
Relating: [
'id',
'baseperson_id',
'baseperson_hidden_id',
'person_id',
'person_hidden_id',
'proxyperson_id',
'proxyperson_hidden_id',
],
},
'local_fields': {
Person: [
'baseperson_ptr_id',
'data_inherited',
'fk_inherited_id',
'data_not_concrete_inherited',
'content_type_concrete_id',
'object_id_concrete',
],
BasePerson: [
'id',
'data_abstract',
'fk_abstract_id',
'data_not_concrete_abstract',
'content_type_abstract_id',
'object_id_abstract',
'data_base',
'fk_base_id',
'data_not_concrete_base',
'content_type_base_id',
'object_id_base',
],
AbstractPerson: [
'data_abstract',
'fk_abstract_id',
'data_not_concrete_abstract',
'content_type_abstract_id',
'object_id_abstract',
],
Relating: [
'id',
'baseperson_id',
'baseperson_hidden_id',
'person_id',
'person_hidden_id',
'proxyperson_id',
'proxyperson_hidden_id',
],
},
'local_concrete_fields': {
Person: [
'baseperson_ptr_id',
'data_inherited',
'fk_inherited_id',
'content_type_concrete_id',
'object_id_concrete',
],
BasePerson: [
'id',
'data_abstract',
'fk_abstract_id',
'content_type_abstract_id',
'object_id_abstract',
'data_base',
'fk_base_id',
'content_type_base_id',
'object_id_base',
],
AbstractPerson: [
'data_abstract',
'fk_abstract_id',
'content_type_abstract_id',
'object_id_abstract',
],
Relating: [
'id',
'baseperson_id',
'baseperson_hidden_id',
'person_id',
'person_hidden_id',
'proxyperson_id',
'proxyperson_hidden_id',
],
},
'many_to_many': {
Person: [
'm2m_abstract',
'friends_abstract',
'following_abstract',
'm2m_base',
'friends_base',
'following_base',
'm2m_inherited',
'friends_inherited',
'following_inherited',
],
BasePerson: [
'm2m_abstract',
'friends_abstract',
'following_abstract',
'm2m_base',
'friends_base',
'following_base',
],
AbstractPerson: [
'm2m_abstract',
'friends_abstract',
'following_abstract',
],
Relating: [
'basepeople',
'basepeople_hidden',
'people',
'people_hidden',
],
},
'many_to_many_with_model': {
Person: [
BasePerson,
BasePerson,
BasePerson,
BasePerson,
BasePerson,
BasePerson,
None,
None,
None,
],
BasePerson: [
None,
None,
None,
None,
None,
None,
],
AbstractPerson: [
None,
None,
None,
],
Relating: [
None,
None,
None,
None,
],
},
'get_all_related_objects_with_model': {
Person: (
('relating_baseperson', BasePerson),
('relating_person', None),
),
BasePerson: (
('person', None),
('relating_baseperson', None),
),
Relation: (
('fk_abstract_rel', None),
('fo_abstract_rel', None),
('fk_base_rel', None),
('fo_base_rel', None),
('fk_concrete_rel', None),
('fo_concrete_rel', None),
),
},
'get_all_related_objects_with_model_local': {
Person: (
('relating_person', None),
),
BasePerson: (
('person', None),
('relating_baseperson', None)
),
Relation: (
('fk_abstract_rel', None),
('fo_abstract_rel', None),
('fk_base_rel', None),
('fo_base_rel', None),
('fk_concrete_rel', None),
('fo_concrete_rel', None),
),
},
'get_all_related_objects_with_model_hidden': {
BasePerson: (
('model_meta:baseperson_friends_base', None),
('model_meta:baseperson_friends_base', None),
('model_meta:baseperson_m2m_base', None),
('model_meta:baseperson_following_base', None),
('model_meta:baseperson_following_base', None),
('model_meta:baseperson_m2m_abstract', None),
('model_meta:baseperson_friends_abstract', None),
('model_meta:baseperson_friends_abstract', None),
('model_meta:baseperson_following_abstract', None),
('model_meta:baseperson_following_abstract', None),
('model_meta:person', None),
('model_meta:relating_basepeople', None),
('model_meta:relating_basepeople_hidden', None),
('model_meta:relating', None),
('model_meta:relating', None),
),
Person: (
('model_meta:baseperson_friends_base', BasePerson),
('model_meta:baseperson_friends_base', BasePerson),
('model_meta:baseperson_m2m_base', BasePerson),
('model_meta:baseperson_following_base', BasePerson),
('model_meta:baseperson_following_base', BasePerson),
('model_meta:baseperson_m2m_abstract', BasePerson),
('model_meta:baseperson_friends_abstract', BasePerson),
('model_meta:baseperson_friends_abstract', BasePerson),
('model_meta:baseperson_following_abstract', BasePerson),
('model_meta:baseperson_following_abstract', BasePerson),
('model_meta:relating_basepeople', BasePerson),
('model_meta:relating_basepeople_hidden', BasePerson),
('model_meta:relating', BasePerson),
('model_meta:relating', BasePerson),
('model_meta:person_m2m_inherited', None),
('model_meta:person_friends_inherited', None),
('model_meta:person_friends_inherited', None),
('model_meta:person_following_inherited', None),
('model_meta:person_following_inherited', None),
('model_meta:relating_people', None),
('model_meta:relating_people_hidden', None),
('model_meta:relating', None),
('model_meta:relating', None),
),
Relation: (
('model_meta:baseperson_m2m_base', None),
('model_meta:baseperson_m2m_abstract', None),
('model_meta:baseperson', None),
('model_meta:baseperson', None),
('model_meta:baseperson', None),
('model_meta:baseperson', None),
('model_meta:baseperson', None),
('model_meta:baseperson', None),
('model_meta:person_m2m_inherited', None),
('model_meta:person', None),
('model_meta:person', None),
('model_meta:person', None),
('model_meta:person', None),
('model_meta:person', None),
('model_meta:proxyperson', None),
('model_meta:proxyperson', None),
('model_meta:proxyperson', None),
),
},
'get_all_related_objects_with_model_hidden_local': {
BasePerson: (
('model_meta:baseperson_friends_base', None),
('model_meta:baseperson_friends_base', None),
('model_meta:baseperson_m2m_base', None),
('model_meta:baseperson_following_base', None),
('model_meta:baseperson_following_base', None),
('model_meta:baseperson_m2m_abstract', None),
('model_meta:baseperson_friends_abstract', None),
('model_meta:baseperson_friends_abstract', None),
('model_meta:baseperson_following_abstract', None),
('model_meta:baseperson_following_abstract', None),
('model_meta:person', None),
('model_meta:relating_basepeople', None),
('model_meta:relating_basepeople_hidden', None),
('model_meta:relating', None),
('model_meta:relating', None),
),
Person: (
('model_meta:person_m2m_inherited', None),
('model_meta:person_friends_inherited', None),
('model_meta:person_friends_inherited', None),
('model_meta:person_following_inherited', None),
('model_meta:person_following_inherited', None),
('model_meta:relating_people', None),
('model_meta:relating_people_hidden', None),
('model_meta:relating', None),
('model_meta:relating', None),
),
Relation: (
('model_meta:baseperson_m2m_base', None),
('model_meta:baseperson_m2m_abstract', None),
('model_meta:baseperson', None),
('model_meta:baseperson', None),
('model_meta:baseperson', None),
('model_meta:baseperson', None),
('model_meta:baseperson', None),
('model_meta:baseperson', None),
('model_meta:person_m2m_inherited', None),
('model_meta:person', None),
('model_meta:person', None),
('model_meta:person', None),
('model_meta:person', None),
('model_meta:person', None),
('model_meta:proxyperson', None),
('model_meta:proxyperson', None),
('model_meta:proxyperson', None),
),
},
'get_all_related_objects_with_model_proxy': {
BasePerson: (
('person', None),
('relating_baseperson', None),
),
Person: (
('relating_baseperson', BasePerson),
('relating_person', None), ('relating_proxyperson', None),
),
Relation: (
('fk_abstract_rel', None), ('fo_abstract_rel', None),
('fk_base_rel', None), ('fo_base_rel', None),
('fk_concrete_rel', None), ('fo_concrete_rel', None),
),
},
'get_all_related_objects_with_model_proxy_hidden': {
BasePerson: (
('model_meta:baseperson_friends_base', None),
('model_meta:baseperson_friends_base', None),
('model_meta:baseperson_m2m_base', None),
('model_meta:baseperson_following_base', None),
('model_meta:baseperson_following_base', None),
('model_meta:baseperson_m2m_abstract', None),
('model_meta:baseperson_friends_abstract', None),
('model_meta:baseperson_friends_abstract', None),
('model_meta:baseperson_following_abstract', None),
('model_meta:baseperson_following_abstract', None),
('model_meta:person', None),
('model_meta:relating_basepeople', None),
('model_meta:relating_basepeople_hidden', None),
('model_meta:relating', None),
('model_meta:relating', None),
),
Person: (
('model_meta:baseperson_friends_base', BasePerson),
('model_meta:baseperson_friends_base', BasePerson),
('model_meta:baseperson_m2m_base', BasePerson),
('model_meta:baseperson_following_base', BasePerson),
('model_meta:baseperson_following_base', BasePerson),
('model_meta:baseperson_m2m_abstract', BasePerson),
('model_meta:baseperson_friends_abstract', BasePerson),
('model_meta:baseperson_friends_abstract', BasePerson),
('model_meta:baseperson_following_abstract', BasePerson),
('model_meta:baseperson_following_abstract', BasePerson),
('model_meta:relating_basepeople', BasePerson),
('model_meta:relating_basepeople_hidden', BasePerson),
('model_meta:relating', BasePerson),
('model_meta:relating', BasePerson),
('model_meta:person_m2m_inherited', None),
('model_meta:person_friends_inherited', None),
('model_meta:person_friends_inherited', None),
('model_meta:person_following_inherited', None),
('model_meta:person_following_inherited', None),
('model_meta:relating_people', None),
('model_meta:relating_people_hidden', None),
('model_meta:relating', None),
('model_meta:relating', None),
('model_meta:relating', None),
('model_meta:relating', None),
),
Relation: (
('model_meta:baseperson_m2m_base', None),
('model_meta:baseperson_m2m_abstract', None),
('model_meta:baseperson', None),
('model_meta:baseperson', None),
('model_meta:baseperson', None),
('model_meta:baseperson', None),
('model_meta:baseperson', None),
('model_meta:baseperson', None),
('model_meta:person_m2m_inherited', None),
('model_meta:person', None),
('model_meta:person', None),
('model_meta:person', None),
('model_meta:person', None),
('model_meta:person', None),
('model_meta:proxyperson', None),
('model_meta:proxyperson', None),
('model_meta:proxyperson', None),
),
},
'get_all_related_many_to_many_with_model': {
BasePerson: (
('friends_abstract_rel_+', None),
('followers_abstract', None),
('friends_base_rel_+', None),
('followers_base', None),
('relating_basepeople', None),
('+', None),
),
Person: (
('friends_abstract_rel_+', BasePerson),
('followers_abstract', BasePerson),
('friends_base_rel_+', BasePerson),
('followers_base', BasePerson),
('relating_basepeople', BasePerson),
('+', BasePerson),
('friends_inherited_rel_+', None),
('followers_concrete', None),
('relating_people', None),
('+', None),
),
Relation: (
('m2m_abstract_rel', None),
('m2m_base_rel', None),
('m2m_concrete_rel', None),
),
},
'get_all_related_many_to_many_local': {
BasePerson: [
'friends_abstract_rel_+',
'followers_abstract',
'friends_base_rel_+',
'followers_base',
'relating_basepeople',
'+',
],
Person: [
'friends_inherited_rel_+',
'followers_concrete',
'relating_people',
'+',
],
Relation: [
'm2m_abstract_rel',
'm2m_base_rel',
'm2m_concrete_rel',
],
},
'virtual_fields': {
AbstractPerson: [
'generic_relation_abstract',
'content_object_abstract',
],
BasePerson: [
'generic_relation_base',
'content_object_base',
'generic_relation_abstract',
'content_object_abstract',
],
Person: [
'content_object_concrete',
'generic_relation_concrete',
'generic_relation_base',
'content_object_base',
'generic_relation_abstract',
'content_object_abstract',
],
},
}
class OptionsBaseTests(test.TestCase):
def _map_rq_names(self, res):
return tuple([(o.field.related_query_name(), m) for o, m in res])
def _map_names(self, res):
return tuple([(f.name, m) for f, m in res])
class DataTests(OptionsBaseTests):
def test_fields(self):
for model, expected_result in TEST_RESULTS['fields'].items():
fields = model._meta.fields
self.assertEqual([f.attname for f in fields], expected_result)
def test_local_fields(self):
is_data_field = lambda f: isinstance(f, Field) and not isinstance(f, related.ManyToManyField)
for model, expected_result in TEST_RESULTS['local_fields'].items():
fields = model._meta.local_fields
self.assertEqual([f.attname for f in fields], expected_result)
self.assertTrue(all([f.model is model for f in fields]))
self.assertTrue(all([is_data_field(f) for f in fields]))
def test_local_concrete_fields(self):
for model, expected_result in TEST_RESULTS['local_concrete_fields'].items():
fields = model._meta.local_concrete_fields
self.assertEqual([f.attname for f in fields], expected_result)
self.assertTrue(all([f.column is not None for f in fields]))
class M2MTests(OptionsBaseTests):
def test_many_to_many(self):
for model, expected_result in TEST_RESULTS['many_to_many'].items():
fields = model._meta.many_to_many
self.assertEqual([f.attname for f in fields], expected_result)
self.assertTrue(all([isinstance(f.rel, related.ManyToManyRel) for f in fields]))
def test_many_to_many_with_model(self):
for model, expected_result in TEST_RESULTS['many_to_many_with_model'].items():
models = [model for field, model in model._meta.get_m2m_with_model()]
self.assertEqual(models, expected_result)
class RelatedObjectsTests(OptionsBaseTests):
def setUp(self):
self.key_name = lambda r: r[0]
def test_related_objects(self):
result_key = 'get_all_related_objects_with_model'
for model, expected in TEST_RESULTS[result_key].items():
objects = model._meta.get_all_related_objects_with_model()
self.assertEqual(self._map_rq_names(objects), expected)
def test_related_objects_local(self):
result_key = 'get_all_related_objects_with_model_local'
for model, expected in TEST_RESULTS[result_key].items():
objects = model._meta.get_all_related_objects_with_model(local_only=True)
self.assertEqual(self._map_rq_names(objects), expected)
def test_related_objects_include_hidden(self):
result_key = 'get_all_related_objects_with_model_hidden'
for model, expected in TEST_RESULTS[result_key].items():
objects = model._meta.get_all_related_objects_with_model(include_hidden=True)
self.assertEqual(
sorted(self._map_names(objects), key=self.key_name),
sorted(expected, key=self.key_name)
)
def test_related_objects_include_hidden_local_only(self):
result_key = 'get_all_related_objects_with_model_hidden_local'
for model, expected in TEST_RESULTS[result_key].items():
objects = model._meta.get_all_related_objects_with_model(
include_hidden=True, local_only=True)
self.assertEqual(
sorted(self._map_names(objects), key=self.key_name),
sorted(expected, key=self.key_name)
)
def test_related_objects_proxy(self):
result_key = 'get_all_related_objects_with_model_proxy'
for model, expected in TEST_RESULTS[result_key].items():
objects = model._meta.get_all_related_objects_with_model(
include_proxy_eq=True)
self.assertEqual(self._map_rq_names(objects), expected)
def test_related_objects_proxy_hidden(self):
result_key = 'get_all_related_objects_with_model_proxy_hidden'
for model, expected in TEST_RESULTS[result_key].items():
objects = model._meta.get_all_related_objects_with_model(
include_proxy_eq=True, include_hidden=True)
self.assertEqual(
sorted(self._map_names(objects), key=self.key_name),
sorted(expected, key=self.key_name)
)
class RelatedM2MTests(OptionsBaseTests):
def test_related_m2m_with_model(self):
result_key = 'get_all_related_many_to_many_with_model'
for model, expected in TEST_RESULTS[result_key].items():
objects = model._meta.get_all_related_m2m_objects_with_model()
self.assertEqual(self._map_rq_names(objects), expected)
def test_related_m2m_local_only(self):
result_key = 'get_all_related_many_to_many_local'
for model, expected in TEST_RESULTS[result_key].items():
objects = model._meta.get_all_related_many_to_many_objects(local_only=True)
self.assertEqual([o.field.related_query_name() for o in objects], expected)
def test_related_m2m_asymmetrical(self):
m2m = Person._meta.many_to_many
self.assertTrue('following_base' in [f.attname for f in m2m])
related_m2m = Person._meta.get_all_related_many_to_many_objects()
self.assertTrue('followers_base' in [o.field.related_query_name() for o in related_m2m])
def test_related_m2m_symmetrical(self):
m2m = Person._meta.many_to_many
self.assertTrue('friends_base' in [f.attname for f in m2m])
related_m2m = Person._meta.get_all_related_many_to_many_objects()
self.assertIn('friends_inherited_rel_+', [o.field.related_query_name() for o in related_m2m])
class VirtualFieldsTests(OptionsBaseTests):
def test_virtual_fields(self):
for model, expected_names in TEST_RESULTS['virtual_fields'].items():
objects = model._meta.virtual_fields
self.assertEqual(sorted([f.name for f in objects]), sorted(expected_names))
class GetFieldByNameTests(OptionsBaseTests):
def test_get_data_field(self):
field_info = Person._meta.get_field_by_name('data_abstract')
self.assertEqual(field_info[1:], (BasePerson, True, False))
self.assertIsInstance(field_info[0], CharField)
def test_get_m2m_field(self):
field_info = Person._meta.get_field_by_name('m2m_base')
self.assertEqual(field_info[1:], (BasePerson, True, True))
self.assertIsInstance(field_info[0], related.ManyToManyField)
def test_get_related_object(self):
field_info = Person._meta.get_field_by_name('relating_baseperson')
self.assertEqual(field_info[1:], (BasePerson, False, False))
self.assertIsInstance(field_info[0], related.RelatedObject)
def test_get_related_m2m(self):
field_info = Person._meta.get_field_by_name('relating_people')
self.assertEqual(field_info[1:], (None, False, True))
self.assertIsInstance(field_info[0], related.RelatedObject)
def test_get_virtual_field(self):
field_info = Person._meta.get_field_by_name('content_object_base')
self.assertEqual(field_info[1:], (None, True, False))
self.assertIsInstance(field_info[0], GenericForeignKey)
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