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90 lines
3.7 KiB
Python
90 lines
3.7 KiB
Python
import copy
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import unittest
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from contextlib import contextmanager
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from django.db import DEFAULT_DB_ALIAS, connection, connections
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from django.db.backends.base.creation import (
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TEST_DATABASE_PREFIX, BaseDatabaseCreation,
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)
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from django.db.backends.postgresql.creation import DatabaseCreation
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from django.test import SimpleTestCase
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class TestDbSignatureTests(SimpleTestCase):
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def get_connection_copy(self):
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# Get a copy of the default connection. (Can't use django.db.connection
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# because it'll modify the default connection itself.)
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test_connection = copy.copy(connections[DEFAULT_DB_ALIAS])
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test_connection.settings_dict = copy.copy(connections[DEFAULT_DB_ALIAS].settings_dict)
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return test_connection
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def test_default_name(self):
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# A test db name isn't set.
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prod_name = 'hodor'
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test_connection = self.get_connection_copy()
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test_connection.settings_dict['NAME'] = prod_name
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test_connection.settings_dict['TEST'] = {'NAME': None}
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signature = BaseDatabaseCreation(test_connection).test_db_signature()
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self.assertEqual(signature[3], TEST_DATABASE_PREFIX + prod_name)
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def test_custom_test_name(self):
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# A regular test db name is set.
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test_name = 'hodor'
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test_connection = self.get_connection_copy()
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test_connection.settings_dict['TEST'] = {'NAME': test_name}
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signature = BaseDatabaseCreation(test_connection).test_db_signature()
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self.assertEqual(signature[3], test_name)
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def test_custom_test_name_with_test_prefix(self):
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# A test db name prefixed with TEST_DATABASE_PREFIX is set.
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test_name = TEST_DATABASE_PREFIX + 'hodor'
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test_connection = self.get_connection_copy()
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test_connection.settings_dict['TEST'] = {'NAME': test_name}
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signature = BaseDatabaseCreation(test_connection).test_db_signature()
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self.assertEqual(signature[3], test_name)
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@unittest.skipUnless(connection.vendor == 'postgresql', "PostgreSQL-specific tests")
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class PostgreSQLDatabaseCreationTests(SimpleTestCase):
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@contextmanager
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def changed_test_settings(self, **kwargs):
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settings = connection.settings_dict['TEST']
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saved_values = {}
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for name in kwargs:
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if name in settings:
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saved_values[name] = settings[name]
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for name, value in kwargs.items():
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settings[name] = value
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try:
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yield
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finally:
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for name, value in kwargs.items():
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if name in saved_values:
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settings[name] = saved_values[name]
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else:
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del settings[name]
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def check_sql_table_creation_suffix(self, settings, expected):
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with self.changed_test_settings(**settings):
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creation = DatabaseCreation(connection)
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suffix = creation.sql_table_creation_suffix()
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self.assertEqual(suffix, expected)
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def test_sql_table_creation_suffix_with_none_settings(self):
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settings = dict(CHARSET=None, TEMPLATE=None)
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self.check_sql_table_creation_suffix(settings, "")
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def test_sql_table_creation_suffix_with_encoding(self):
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settings = dict(CHARSET='UTF8')
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self.check_sql_table_creation_suffix(settings, "WITH ENCODING 'UTF8'")
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def test_sql_table_creation_suffix_with_template(self):
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settings = dict(TEMPLATE='template0')
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self.check_sql_table_creation_suffix(settings, 'WITH TEMPLATE "template0"')
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def test_sql_table_creation_suffix_with_encoding_and_template(self):
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settings = dict(CHARSET='UTF8', TEMPLATE='template0')
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self.check_sql_table_creation_suffix(settings, '''WITH ENCODING 'UTF8' TEMPLATE "template0"''')
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