def test_it_should_execute_migration_up_and_update_schema_version(self):
mysql = MySQL(self.config_mock, self.db_driver_mock)
mysql.change(
"create table spam();", "20090212112104",
"20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration",
"create table spam();", "drop table spam;")
expected_query_calls = [
call('create database if not exists `migration_test`;')
]
self.assertEqual(expected_query_calls, self.db_mock.query.mock_calls)
self.db_mock.select_db.assert_called_with('migration_test')
self.assertEqual(4, self.db_mock.commit.call_count)
self.assertEqual(6, self.db_mock.close.call_count)
expected_execute_calls = [
call(
'create table if not exists __db_version__ ( id int(11) NOT NULL AUTO_INCREMENT, version varchar(20) NOT NULL default "0", label varchar(255), name varchar(255), sql_up LONGTEXT, sql_down LONGTEXT, PRIMARY KEY (id))'
),
call('select count(*) from __db_version__;'),
call('insert into __db_version__ (version) values ("0")'),
call('create table spam()'),
call(
'insert into __db_version__ (version, label, name, sql_up, sql_down) values ("20090212112104", NULL, "20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration", "create table spam();", "drop table spam;");'
)
]
self.assertEqual(expected_execute_calls,
self.cursor_mock.execute.mock_calls)
self.assertEqual(5, self.cursor_mock.close.call_count)
def test_it_should_drop_database_on_init_if_its_asked(self):
self.config_dict["drop_db_first"] = True
MySQL(self.config_mock, self.db_driver_mock)
expected_query_calls = [
call(
'set foreign_key_checks=0; drop database if exists `migration_test`;'
),
call('create database if not exists `migration_test`;')
]
self.assertEqual(expected_query_calls, self.db_mock.query.mock_calls)
self.db_mock.select_db.assert_called_with('migration_test')
self.assertEqual(2, self.db_mock.commit.call_count)
self.assertEqual(5, self.db_mock.close.call_count)
expected_execute_calls = [
call(
'create table if not exists __db_version__ ( id int(11) NOT NULL AUTO_INCREMENT, version varchar(20) NOT NULL default "0", label varchar(255), name varchar(255), sql_up LONGTEXT, sql_down LONGTEXT, PRIMARY KEY (id))'
),
call('select count(*) from __db_version__;'),
call('insert into __db_version__ (version) values ("0")')
]
self.assertEqual(expected_execute_calls,
self.cursor_mock.execute.mock_calls)
self.assertEqual(3, self.cursor_mock.close.call_count)
def test_it_should_get_none_for_a_non_existent_label_in_database(self):
mysql = MySQL(self.config_mock, self.db_driver_mock)
ret = mysql.get_version_number_from_label('xxx')
self.assertEqual(None, ret)
expected_query_calls = [
call('create database if not exists `migration_test`;')
]
self.assertEqual(expected_query_calls, self.db_mock.query.mock_calls)
self.db_mock.select_db.assert_called_with('migration_test')
self.assertEqual(2, self.db_mock.commit.call_count)
self.assertEqual(5, self.db_mock.close.call_count)
expected_execute_calls = [
call(
'create table if not exists __db_version__ ( id int(11) NOT NULL AUTO_INCREMENT, version varchar(20) NOT NULL default "0", label varchar(255), name varchar(255), sql_up LONGTEXT, sql_down LONGTEXT, PRIMARY KEY (id))'
),
call('select count(*) from __db_version__;'),
call('insert into __db_version__ (version) values ("0")'),
call(
"select version from __db_version__ where label = 'xxx' order by id desc"
)
]
self.assertEqual(expected_execute_calls,
self.cursor_mock.execute.mock_calls)
self.assertEqual(4, self.cursor_mock.close.call_count)
def test_it_should_get_all_schema_versions(self):
expected_versions = []
expected_versions.append("0")
expected_versions.append("20090211120001")
expected_versions.append("20090211120002")
expected_versions.append("20090211120003")
self.cursor_mock.fetchall.return_value = tuple(zip(expected_versions))
mysql = MySQL(self.config_mock, self.db_driver_mock)
schema_versions = mysql.get_all_schema_versions()
self.assertEqual(len(expected_versions), len(schema_versions))
for version in schema_versions:
self.assertTrue(version in expected_versions)
expected_query_calls = [
call('create database if not exists `migration_test`;')
]
self.assertEqual(expected_query_calls, self.db_mock.query.mock_calls)
self.db_mock.select_db.assert_called_with('migration_test')
self.assertEqual(2, self.db_mock.commit.call_count)
self.assertEqual(5, self.db_mock.close.call_count)
expected_execute_calls = [
call(
'create table if not exists __db_version__ ( id int(11) NOT NULL AUTO_INCREMENT, version varchar(20) NOT NULL default "0", label varchar(255), name varchar(255), sql_up LONGTEXT, sql_down LONGTEXT, PRIMARY KEY (id))'
),
call('select count(*) from __db_version__;'),
call('insert into __db_version__ (version) values ("0")'),
call('select version from __db_version__ order by id;')
]
self.assertEqual(expected_execute_calls,
self.cursor_mock.execute.mock_calls)
self.assertEqual(4, self.cursor_mock.close.call_count)
def test_it_should_get_current_schema_version(self):
self.fetchone_returns = {
'select count(*) from __db_version__;': [0],
'select version from __db_version__ order by id desc limit 0,1;':
["0"]
}
mysql = MySQL(self.config_mock, self.db_driver_mock)
self.assertEqual("0", mysql.get_current_schema_version())
expected_query_calls = [
call('create database if not exists `migration_test`;')
]
self.assertEqual(expected_query_calls, self.db_mock.query.mock_calls)
self.db_mock.select_db.assert_called_with('migration_test')
self.assertEqual(2, self.db_mock.commit.call_count)
self.assertEqual(5, self.db_mock.close.call_count)
expected_execute_calls = [
call(
'create table if not exists __db_version__ ( id int(11) NOT NULL AUTO_INCREMENT, version varchar(20) NOT NULL default "0", label varchar(255), name varchar(255), sql_up LONGTEXT, sql_down LONGTEXT, PRIMARY KEY (id))'
),
call('select count(*) from __db_version__;'),
call('insert into __db_version__ (version) values ("0")'),
call(
'select version from __db_version__ order by id desc limit 0,1;'
)
]
self.assertEqual(expected_execute_calls,
self.cursor_mock.execute.mock_calls)
self.assertEqual(4, self.cursor_mock.close.call_count)
def test_it_should_raise_whem_migration_sql_has_a_syntax_error(self):
mysql = MySQL(self.config_mock, self.db_driver_mock)
self.assertRaisesWithMessage(
Exception,
"error executing migration: invalid sql syntax 'create table foo(); create table spam());'",
mysql.change,
"create table foo(); create table spam());",
"20090212112104",
"20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration",
"create table foo(); create table spam());",
"drop table spam;",
label_version="label")
def test_it_should_get_all_schema_migrations(self):
expected_versions = []
expected_versions.append([1, "0", None, None, None, None])
expected_versions.append([
2, "20090211120001", "label", "20090211120001_name", "sql_up",
"sql_down"
])
self.cursor_mock.fetchall.return_value = tuple(expected_versions)
mysql = MySQL(self.config_mock, self.db_driver_mock)
schema_migrations = mysql.get_all_schema_migrations()
self.assertEquals(len(expected_versions), len(schema_migrations))
for index, migration in enumerate(schema_migrations):
self.assertEqual(migration.id, expected_versions[index][0])
self.assertEqual(migration.version, expected_versions[index][1])
self.assertEqual(migration.label, expected_versions[index][2])
self.assertEqual(migration.file_name, expected_versions[index][3])
self.assertEqual(
migration.sql_up,
expected_versions[index][4] and expected_versions[index][4]
or "")
self.assertEqual(
migration.sql_down,
expected_versions[index][5] and expected_versions[index][5]
or "")
expected_query_calls = [
call('create database if not exists `migration_test`;')
]
self.assertEqual(expected_query_calls, self.db_mock.query.mock_calls)
self.db_mock.select_db.assert_called_with('migration_test')
self.assertEqual(2, self.db_mock.commit.call_count)
self.assertEqual(5, self.db_mock.close.call_count)
expected_execute_calls = [
call(
'create table if not exists __db_version__ ( id int(11) NOT NULL AUTO_INCREMENT, version varchar(20) NOT NULL default "0", label varchar(255), name varchar(255), sql_up LONGTEXT, sql_down LONGTEXT, PRIMARY KEY (id))'
),
call('select count(*) from __db_version__;'),
call('insert into __db_version__ (version) values ("0")'),
call(
'select id, version, label, name, sql_up, sql_down from __db_version__ order by id;'
)
]
self.assertEqual(expected_execute_calls,
self.cursor_mock.execute.mock_calls)
self.assertEqual(4, self.cursor_mock.close.call_count)
def test_it_should_raise_whem_migration_sql_has_a_syntax_error_sql_with_codec_error(
self):
mysql = MySQL(self.config_mock, self.db_driver_mock)
expected_raised_message = u"error executing migration: invalid sql syntax 'create table foo(); create table spam()); -- ônibus'".encode(
"utf-8")
self.assertRaisesWithMessage(
Exception,
expected_raised_message,
mysql.change,
u"create table foo(); create table spam()); -- ônibus",
"20090212112104",
"20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration",
"create table foo(); create table spam());",
"drop table spam;",
label_version="label")
def test_it_should_stop_process_when_an_error_occur_during_log_schema_version(
self):
self.execute_returns[
'insert into __db_version__ (version, label, name, sql_up, sql_down) values ("20090212112104", "label", "20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration", "create table spam();", "drop table spam;");'] = Exception(
"invalid sql")
try:
mysql = MySQL(self.config_mock, self.db_driver_mock)
mysql.change(
"create table spam();",
"20090212112104",
"20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration",
"create table spam();",
"drop table spam;",
label_version="label")
except Exception as e:
self.assertEqual(
'error logging migration: invalid sql\n\n[ERROR DETAILS] SQL command was:\n20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration',
str(e))
self.assertTrue(
isinstance(
e, simple_db_migrate.core.exceptions.MigrationException))
expected_query_calls = [
call('create database if not exists `migration_test`;')
]
self.assertEqual(expected_query_calls, self.db_mock.query.mock_calls)
self.db_mock.select_db.assert_called_with('migration_test')
self.assertEqual(1, self.db_mock.rollback.call_count)
self.assertEqual(3, self.db_mock.commit.call_count)
self.assertEqual(6, self.db_mock.close.call_count)
expected_execute_calls = [
call(
'create table if not exists __db_version__ ( id int(11) NOT NULL AUTO_INCREMENT, version varchar(20) NOT NULL default "0", label varchar(255), name varchar(255), sql_up LONGTEXT, sql_down LONGTEXT, PRIMARY KEY (id))'
),
call('select count(*) from __db_version__;'),
call('insert into __db_version__ (version) values ("0")'),
call('create table spam()'),
call(
'insert into __db_version__ (version, label, name, sql_up, sql_down) values ("20090212112104", "label", "20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration", "create table spam();", "drop table spam;");'
)
]
self.assertEqual(expected_execute_calls,
self.cursor_mock.execute.mock_calls)
self.assertEqual(4, self.cursor_mock.close.call_count)
def test_it_should_stop_process_when_an_error_occur_during_connect_database(
self):
self.db_driver_mock.connect.side_effect = Exception(
"error when connecting")
try:
MySQL(self.config_mock, self.db_driver_mock)
self.fail("it should not get here")
except Exception as e:
self.assertEqual(
"could not connect to database: error when connecting", str(e))
self.assertEqual(0, self.db_mock.query.call_count)
self.assertEqual(0, self.db_mock.commit.call_count)
self.assertEqual(0, self.db_mock.close.call_count)
self.assertEqual(0, self.cursor_mock.execute.call_count)
self.assertEqual(0, self.cursor_mock.close.call_count)
def test_it_should_log_execution_when_a_function_is_given_when_updating_schema_version(
self):
execution_log_mock = Mock()
mysql = MySQL(self.config_mock, self.db_driver_mock)
mysql.change(
"create table spam();",
"20090212112104",
"20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration",
"create table spam();",
"drop table spam;",
execution_log=execution_log_mock)
expected_execution_log_calls = [
call('create table spam()\n-- 0 row(s) affected\n'),
call(
'migration 20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration registered\n'
)
]
self.assertEqual(expected_execution_log_calls,
execution_log_mock.mock_calls)
def test_it_should_stop_process_when_an_error_occur_during_drop_database(
self):
self.config_dict["drop_db_first"] = True
self.db_mock.query.side_effect = Exception("error when dropping")
try:
MySQL(self.config_mock, self.db_driver_mock)
self.fail("it should not get here")
except Exception as e:
self.assertEqual(
"can't drop database 'migration_test'; \nerror when dropping",
str(e))
expected_query_calls = [
call(
'set foreign_key_checks=0; drop database if exists `migration_test`;'
)
]
self.assertEqual(expected_query_calls, self.db_mock.query.mock_calls)
self.assertEqual(0, self.db_mock.commit.call_count)
self.assertEqual(1, self.db_mock.close.call_count)
self.assertEqual(0, self.cursor_mock.execute.call_count)
self.assertEqual(0, self.cursor_mock.close.call_count)
def test_it_should_use_given_configuration(self):
self.config_dict['database_port'] = 9876
MySQL(self.config_mock)
self.assertEqual(
call(passwd='pass', host='somehost', user='******', port=9876),
sys.modules['MySQLdb'].connect.call_args)
def test_it_should_use_default_port(self):
MySQL(self.config_mock)
self.assertEqual(
call(passwd='pass', host='somehost', user='******', port=3306),
sys.modules['MySQLdb'].connect.call_args)
def test_it_should_use_mysqldb_as_driver(self):
MySQL(self.config_mock)
self.assertNotEqual(0, sys.modules['MySQLdb'].connect.call_count)
