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#!/usr/bin/env python
#
# Copyright (C) 2018 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import datetime
import unittest
try:
from unittest import mock
except ImportError:
import mock
from webapp.src.proto import model
from webapp.src.tasks import removing_outdated_devices
from webapp.src.testing import unittest_base
class RemoveOutdatedDevicesTest(unittest_base.UnitTestBase):
"""Tests for RemoveOutdatedDevices cron class.
Attributes:
remove_outdated_device: A mock device_heartbeat.RemoveOutdatedDevices
instance.
"""
def setUp(self):
"""Initializes test"""
super(RemoveOutdatedDevicesTest, self).setUp()
# Mocking RemoveOutdatedDevices and essential methods.
self.remove_outdated_device = (
removing_outdated_devices.RemoveOutdatedDevices(mock.Mock()))
self.remove_outdated_device.response = mock.Mock()
self.remove_outdated_device.response.write = mock.Mock()
def testRemoveOutdatedDevicesTest(self):
"""Asserts job heartbeat detects unavailable jobs."""
device_a_serial = "a"
device_b_serial = "b"
device_c_serial = "c"
device_d_serial = "c"
# create a device A, which is outdated.
device = self.GenerateDeviceModel(serial=device_a_serial)
device.timestamp = datetime.datetime.now() - datetime.timedelta(
hours=100)
device.put()
# create a device B, which is offline for a day.
device = self.GenerateDeviceModel(serial=device_b_serial)
device.timestamp = datetime.datetime.now() - datetime.timedelta(
hours=24)
device.put()
# create a device C and D, which are alive.
for serial in [device_c_serial, device_d_serial]:
device = self.GenerateDeviceModel(serial=serial)
device.timestamp = datetime.datetime.now()
device.put()
# Remove outdated devices.
self.remove_outdated_device.get()
devices = model.DeviceModel.query().fetch()
# device A should not be included.
self.assertEqual(len(devices), 3)
self.assertTrue(device_a_serial not in [x.serial for x in devices])
# change devices' timestamp
for device in devices:
device.timestamp = device.timestamp - datetime.timedelta(hours=25)
device.put()
# Remove outdated devices.
self.remove_outdated_device.get()
devices = model.DeviceModel.query().fetch()
# Now device B should not be included also.
self.assertEqual(len(devices), 2)
self.assertTrue(device_b_serial not in [x.serial for x in devices])
# change devices' timestamp
for device in devices:
device.timestamp = device.timestamp - datetime.timedelta(hours=25)
device.put()
# Remove outdated devices.
self.remove_outdated_device.get()
devices = model.DeviceModel.query().fetch()
# Now there should not be no devices.
self.assertEqual(len(devices), 0)
if __name__ == "__main__":
unittest.main()
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