93 lines
4.1 KiB
Python
93 lines
4.1 KiB
Python
import copy
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from django.db import connection
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from django.db import models
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from django.db.models.loading import cache
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from django.core.management.color import no_style
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from django.test import TestCase, skipIfDBFeature, skipUnlessDBFeature
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from models import Article, ArticleRef, Scientist, ScientistRef
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# Automatically created models
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Authors = Article._meta.get_field('authors').rel.through
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Reviewers = Article._meta.get_field('reviewers').rel.through
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# We can't test the DEFAULT_TABLESPACE and DEFAULT_INDEX_TABLESPACE settings
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# because they're evaluated when the model class is defined. As a consequence,
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# @override_settings doesn't work.
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def sql_for_table(model):
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return '\n'.join(connection.creation.sql_create_model(model, no_style())[0])
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def sql_for_index(model):
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return '\n'.join(connection.creation.sql_indexes_for_model(model, no_style()))
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class TablespacesTests(TestCase):
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def setUp(self):
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# The unmanaged models need to be removed after the test in order to
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# prevent bad interactions with other tests (proxy_models_inheritance).
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self.old_app_models = copy.deepcopy(cache.app_models)
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self.old_app_store = copy.deepcopy(cache.app_store)
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for model in Article, Authors, Reviewers, Scientist:
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model._meta.managed = True
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def tearDown(self):
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for model in Article, Authors, Reviewers, Scientist:
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model._meta.managed = False
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cache.app_models = self.old_app_models
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cache.app_store = self.old_app_store
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cache._get_models_cache = {}
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def assertNumContains(self, haystack, needle, count):
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real_count = haystack.count(needle)
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self.assertEqual(real_count, count, "Found %d instances of '%s', "
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"expected %d" % (real_count, needle, count))
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@skipUnlessDBFeature('supports_tablespaces')
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def test_tablespace_for_model(self):
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# 1 for the table + 1 for the index on the primary key
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self.assertNumContains(sql_for_table(Scientist).lower(), 'tbl_tbsp', 2)
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@skipIfDBFeature('supports_tablespaces')
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def test_tablespace_ignored_for_model(self):
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# No tablespace-related SQL
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self.assertEqual(sql_for_table(Scientist),
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sql_for_table(ScientistRef).replace('ref', ''))
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@skipUnlessDBFeature('supports_tablespaces')
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def test_tablespace_for_indexed_field(self):
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# 1 for the table + 1 for the primary key + 1 for the index on name
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self.assertNumContains(sql_for_table(Article).lower(), 'tbl_tbsp', 3)
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# 1 for the index on reference
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self.assertNumContains(sql_for_table(Article).lower(), 'idx_tbsp', 1)
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@skipIfDBFeature('supports_tablespaces')
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def test_tablespace_ignored_for_indexed_field(self):
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# No tablespace-related SQL
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self.assertEqual(sql_for_table(Article),
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sql_for_table(ArticleRef).replace('ref', ''))
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@skipUnlessDBFeature('supports_tablespaces')
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def test_tablespace_for_many_to_many_field(self):
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# The join table of the ManyToManyField always goes to the tablespace
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# of the model.
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self.assertNumContains(sql_for_table(Authors).lower(), 'tbl_tbsp', 2)
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self.assertNumContains(sql_for_table(Authors).lower(), 'idx_tbsp', 0)
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# The ManyToManyField declares no db_tablespace, indexes for the two
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# foreign keys in the join table go to the tablespace of the model.
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self.assertNumContains(sql_for_index(Authors).lower(), 'tbl_tbsp', 2)
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self.assertNumContains(sql_for_index(Authors).lower(), 'idx_tbsp', 0)
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# The join table of the ManyToManyField always goes to the tablespace
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# of the model.
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self.assertNumContains(sql_for_table(Reviewers).lower(), 'tbl_tbsp', 2)
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self.assertNumContains(sql_for_table(Reviewers).lower(), 'idx_tbsp', 0)
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# The ManyToManyField declares db_tablespace, indexes for the two
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# foreign keys in the join table go to this tablespace.
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self.assertNumContains(sql_for_index(Reviewers).lower(), 'tbl_tbsp', 0)
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self.assertNumContains(sql_for_index(Reviewers).lower(), 'idx_tbsp', 2)
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