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# Copyright 2015 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Unittests for cidb."""
from __future__ import print_function
import exceptions
import sqlalchemy
from chromite.cbuildbot import constants
from chromite.lib import cidb
from chromite.lib import cros_test_lib
from chromite.lib import factory
class RetryableOperationalError(exceptions.EnvironmentError):
"""An operational error with retryable error code."""
def __init__(self):
super(RetryableOperationalError, self).__init__(1053, 'retryable')
class FatalOperationalError(exceptions.EnvironmentError):
"""An operational error with fatal error code."""
def __init__(self):
super(FatalOperationalError, self).__init__(9999, 'fatal')
class UnknownError(Exception):
"""An error that's not an OperationalError."""
class HelperFunctionsTest(cros_test_lib.TestCase):
"""Test (private) helper functions in the module."""
def _WrapError(self, error):
return sqlalchemy.exc.OperationalError(
statement=None, params=None, orig=error)
# pylint: disable=protected-access
def testIsRetryableExceptionMatch(self):
self.assertTrue(cidb._IsRetryableException(RetryableOperationalError()))
self.assertFalse(cidb._IsRetryableException(FatalOperationalError()))
self.assertFalse(cidb._IsRetryableException(UnknownError()))
self.assertTrue(cidb._IsRetryableException(self._WrapError(
RetryableOperationalError())))
self.assertFalse(cidb._IsRetryableException(self._WrapError(
FatalOperationalError())))
self.assertFalse(cidb._IsRetryableException(self._WrapError(
UnknownError())))
class CIDBConnectionFactoryTest(cros_test_lib.MockTestCase):
"""Test that CIDBConnectionFactory behaves as expected."""
def setUp(self):
# Ensure that we do not create any live connections in this unit test.
self.connection_mock = self.PatchObject(cidb, 'CIDBConnection')
# pylint: disable=W0212
cidb.CIDBConnectionFactory._ClearCIDBSetup()
def tearDown(self):
# pylint: disable=protected-access
cidb.CIDBConnectionFactory._ClearCIDBSetup()
def testGetConnectionBeforeSetup(self):
"""Calling GetConnection before Setup should raise exception."""
self.assertRaises(factory.ObjectFactoryIllegalOperation,
cidb.CIDBConnectionFactory.GetCIDBConnectionForBuilder)
def testSetupProd(self):
"""Test that SetupProd behaves as expected."""
cidb.CIDBConnectionFactory.SetupProdCidb()
cidb.CIDBConnectionFactory.GetCIDBConnectionForBuilder()
# Expected constructor call
self.connection_mock.assert_called_once_with(constants.CIDB_PROD_BOT_CREDS)
self.assertTrue(cidb.CIDBConnectionFactory.IsCIDBSetup())
self.assertRaises(factory.ObjectFactoryIllegalOperation,
cidb.CIDBConnectionFactory.SetupProdCidb)
self.assertRaises(factory.ObjectFactoryIllegalOperation,
cidb.CIDBConnectionFactory.SetupDebugCidb)
self.assertRaises(factory.ObjectFactoryIllegalOperation,
cidb.CIDBConnectionFactory.SetupMockCidb)
self.assertRaises(factory.ObjectFactoryIllegalOperation,
cidb.CIDBConnectionFactory.SetupNoCidb)
def testSetupDebug(self):
"""Test that SetupDebug behaves as expected."""
cidb.CIDBConnectionFactory.SetupDebugCidb()
cidb.CIDBConnectionFactory.GetCIDBConnectionForBuilder()
# Expected constructor call
self.connection_mock.assert_called_once_with(constants.CIDB_DEBUG_BOT_CREDS)
self.assertTrue(cidb.CIDBConnectionFactory.IsCIDBSetup())
self.assertRaises(factory.ObjectFactoryIllegalOperation,
cidb.CIDBConnectionFactory.SetupProdCidb)
self.assertRaises(factory.ObjectFactoryIllegalOperation,
cidb.CIDBConnectionFactory.SetupDebugCidb)
self.assertRaises(factory.ObjectFactoryIllegalOperation,
cidb.CIDBConnectionFactory.SetupMockCidb)
self.assertRaises(factory.ObjectFactoryIllegalOperation,
cidb.CIDBConnectionFactory.SetupNoCidb)
def testInvalidateSetup(self):
"""Test that cidb connection can be invalidated."""
cidb.CIDBConnectionFactory.SetupProdCidb()
cidb.CIDBConnectionFactory.InvalidateCIDBSetup()
self.assertRaises(AssertionError,
cidb.CIDBConnectionFactory.GetCIDBConnectionForBuilder)
def testSetupMock(self):
"""Test that SetupMock behaves as expected."""
# Set the CIDB to mock mode, but without supplying a mock
cidb.CIDBConnectionFactory.SetupMockCidb()
# Calls to non-mock Setup methods should fail.
self.assertRaises(factory.ObjectFactoryIllegalOperation,
cidb.CIDBConnectionFactory.SetupProdCidb)
self.assertRaises(factory.ObjectFactoryIllegalOperation,
cidb.CIDBConnectionFactory.SetupDebugCidb)
# Now supply a mock.
a = object()
cidb.CIDBConnectionFactory.SetupMockCidb(a)
self.assertTrue(cidb.CIDBConnectionFactory.IsCIDBSetup())
self.assertEqual(cidb.CIDBConnectionFactory.GetCIDBConnectionForBuilder(),
a)
# Mock object can be changed by future SetupMockCidb call.
b = object()
cidb.CIDBConnectionFactory.SetupMockCidb(b)
self.assertEqual(cidb.CIDBConnectionFactory.GetCIDBConnectionForBuilder(),
b)
# Mock object can be cleared by future ClearMock call.
cidb.CIDBConnectionFactory.ClearMock()
# Calls to non-mock Setup methods should still fail.
self.assertRaises(factory.ObjectFactoryIllegalOperation,
cidb.CIDBConnectionFactory.SetupProdCidb)
self.assertRaises(factory.ObjectFactoryIllegalOperation,
cidb.CIDBConnectionFactory.SetupDebugCidb)
def testSetupNo(self):
"""Test that SetupNoCidb behaves as expected."""
cidb.CIDBConnectionFactory.SetupMockCidb()
cidb.CIDBConnectionFactory.SetupNoCidb()
cidb.CIDBConnectionFactory.SetupNoCidb()
self.assertTrue(cidb.CIDBConnectionFactory.IsCIDBSetup())
self.assertEqual(cidb.CIDBConnectionFactory.GetCIDBConnectionForBuilder(),
None)
self.assertRaises(factory.ObjectFactoryIllegalOperation,
cidb.CIDBConnectionFactory.SetupProdCidb)
self.assertRaises(factory.ObjectFactoryIllegalOperation,
cidb.CIDBConnectionFactory.SetupDebugCidb)
self.assertRaises(factory.ObjectFactoryIllegalOperation,
cidb.CIDBConnectionFactory.SetupMockCidb)
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