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83 lines
3.6 KiB
Python
83 lines
3.6 KiB
Python
from __future__ import unicode_literals
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from django.apps import apps
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from django.core.management.color import no_style
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from django.core.management.sql import (sql_create, sql_delete, sql_indexes,
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sql_destroy_indexes, sql_all)
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from django.db import connections, DEFAULT_DB_ALIAS, router
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from django.test import TestCase
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from django.utils import six
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# See also initial_sql_regress for 'custom_sql_for_model' tests
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class SQLCommandsTestCase(TestCase):
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"""Tests for several functions in django/core/management/sql.py"""
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def count_ddl(self, output, cmd):
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return len([o for o in output if o.startswith(cmd)])
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def test_sql_create(self):
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app_config = apps.get_app_config('commands_sql')
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output = sql_create(app_config, no_style(), connections[DEFAULT_DB_ALIAS])
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create_tables = [o for o in output if o.startswith('CREATE TABLE')]
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self.assertEqual(len(create_tables), 3)
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# Lower so that Oracle's upper case tbl names wont break
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sql = create_tables[-1].lower()
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six.assertRegex(self, sql, r'^create table .commands_sql_book.*')
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def test_sql_delete(self):
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app_config = apps.get_app_config('commands_sql')
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output = sql_delete(app_config, no_style(), connections[DEFAULT_DB_ALIAS], close_connection=False)
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drop_tables = [o for o in output if o.startswith('DROP TABLE')]
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self.assertEqual(len(drop_tables), 3)
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# Lower so that Oracle's upper case tbl names wont break
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sql = drop_tables[-1].lower()
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six.assertRegex(self, sql, r'^drop table .commands_sql_comment.*')
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def test_sql_indexes(self):
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app_config = apps.get_app_config('commands_sql')
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output = sql_indexes(app_config, no_style(), connections[DEFAULT_DB_ALIAS])
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# PostgreSQL creates one additional index for CharField
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self.assertIn(self.count_ddl(output, 'CREATE INDEX'), [3, 4])
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def test_sql_destroy_indexes(self):
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app_config = apps.get_app_config('commands_sql')
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output = sql_destroy_indexes(app_config, no_style(), connections[DEFAULT_DB_ALIAS])
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# PostgreSQL creates one additional index for CharField
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self.assertIn(self.count_ddl(output, 'DROP INDEX'), [3, 4])
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def test_sql_all(self):
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app_config = apps.get_app_config('commands_sql')
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output = sql_all(app_config, no_style(), connections[DEFAULT_DB_ALIAS])
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self.assertEqual(self.count_ddl(output, 'CREATE TABLE'), 3)
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# PostgreSQL creates one additional index for CharField
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self.assertIn(self.count_ddl(output, 'CREATE INDEX'), [3, 4])
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class TestRouter(object):
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def allow_migrate(self, db, model):
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return False
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class SQLCommandsRouterTestCase(TestCase):
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def setUp(self):
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self._old_routers = router.routers
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router.routers = [TestRouter()]
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def tearDown(self):
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router.routers = self._old_routers
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def test_router_honored(self):
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app_config = apps.get_app_config('commands_sql')
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for sql_command in (sql_all, sql_create, sql_delete, sql_indexes, sql_destroy_indexes):
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if sql_command is sql_delete:
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output = sql_command(app_config, no_style(), connections[DEFAULT_DB_ALIAS], close_connection=False)
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# "App creates no tables in the database. Nothing to do."
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expected_output = 1
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else:
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output = sql_command(app_config, no_style(), connections[DEFAULT_DB_ALIAS])
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expected_output = 0
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self.assertEqual(len(output), expected_output,
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"%s command is not honoring routers" % sql_command.__name__)
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