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# Copyright 2015 Google Inc

#

# 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 operator

# [START taskqueue]

import unittest

from google.appengine.api import taskqueue

from google.appengine.ext import deferred

from google.appengine.ext import testbed

class TaskQueueTestCase(unittest.TestCase):

def setUp(self):

self.testbed = testbed.Testbed()

self.testbed.activate()

# root_path must be set the the location of queue.yaml.

# Otherwise, only the 'default' queue will be available.

self.testbed.init_taskqueue_stub(root_path='tests/resources')

self.taskqueue_stub = self.testbed.get_stub(

testbed.TASKQUEUE_SERVICE_NAME)

def tearDown(self):

self.testbed.deactivate()

def testTaskAddedToQueue(self):

taskqueue.Task(name='my_task', url='/url/of/my/task/').add()

tasks = self.taskqueue_stub.get_filtered_tasks()

assert len(tasks) == 1

assert tasks[0].name == 'my_task'

# [END taskqueue]

# [START filtering]

def testFiltering(self):

taskqueue.Task(name='task_one', url='/url/of/task/1/').add('queue-1')

taskqueue.Task(name='task_two', url='/url/of/task/2/').add('queue-2')

# All tasks

tasks = self.taskqueue_stub.get_filtered_tasks()

assert len(tasks) == 2

# Filter by name

tasks = self.taskqueue_stub.get_filtered_tasks(name='task_one')

assert len(tasks) == 1

assert tasks[0].name == 'task_one'

# Filter by URL

tasks = self.taskqueue_stub.get_filtered_tasks(url='/url/of/task/1/')

assert len(tasks) == 1

assert tasks[0].name == 'task_one'

# Filter by queue

tasks = self.taskqueue_stub.get_filtered_tasks(queue_names='queue-1')

assert len(tasks) == 1

assert tasks[0].name == 'task_one'

# Multiple queues

tasks = self.taskqueue_stub.get_filtered_tasks(

queue_names=['queue-1', 'queue-2'])

assert len(tasks) == 2

# [END filtering]

# [START deferred]

def testTaskAddedByDeferred(self):

deferred.defer(operator.add, 1, 2)

tasks = self.taskqueue_stub.get_filtered_tasks()

assert len(tasks) == 1

result = deferred.run(tasks[0].payload)

assert result == 3

# [END deferred]

if __name__ == '__main__':

unittest.main()