def test_runner_read_start_queue_workflow_not_started_failure():
config = {'juicer': {'servers': {'redis_url': "nonexisting.mock"}}}
app_id = '1'
workflow_id = '1000'
workflow = {
'workflow_id': workflow_id,
'app_id': app_id,
'type': 'execute',
'workflow': {}
}
with mock.patch('redis.StrictRedis',
mock_strict_redis_client) as mocked_redis:
with mock.patch('subprocess.Popen') as mocked_popen:
server = server = JuicerServer(config, 'faked_minions.py')
mocked_redis_conn = mocked_redis()
state_control = StateControlRedis(mocked_redis_conn)
# Publishes a message to process data
state_control.push_start_queue(json.dumps(workflow))
# This workflow is being processed, should not start it again
# state_control.set_workflow_status(workflow_id, JuicerServer.STARTED)
server.active_minions[(workflow_id, app_id)] = '_'
# Start of testing
server.read_job_start_queue(mocked_redis_conn)
assert state_control.get_minion_status(app_id) is None
assert not mocked_popen.called
# Was command removed from the queue?
assert state_control.pop_job_start_queue(False) is None
assert state_control.get_app_queue_size(workflow_id) == 0
def test_runner_read_start_queue_success():
config = {'juicer': {'servers': {'redis_url': "nonexisting.mock"}}}
app_id = '1'
workflow_id = '1000'
workflow = {
'workflow_id': workflow_id,
'app_id': app_id,
'type': 'execute',
'workflow': {}
}
with mock.patch('redis.StrictRedis',
mock_strict_redis_client) as mocked_redis:
with mock.patch('subprocess.Popen') as mocked_popen:
server = server = JuicerServer(config,
'faked_minions.py',
config_file_path='config.yaml')
mocked_redis_conn = mocked_redis()
state_control = StateControlRedis(mocked_redis_conn)
# Publishes a message to process data
state_control.push_start_queue(json.dumps(workflow))
# Start of testing
server.read_job_start_queue(mocked_redis_conn)
d1 = json.loads(state_control.get_minion_status(app_id))
d2 = {
"port": 36000,
"pid": 1,
}
assert d1 == d2
assert mocked_popen.call_args_list[0][0][0] == [
'nohup', sys.executable, 'faked_minions.py', '-w', workflow_id,
'-a', app_id, '-t', 'spark', '-c', 'config.yaml'
]
assert mocked_popen.called
# Was command removed from the queue?
assert state_control.pop_job_start_queue(False) is None
assert json.loads(state_control.pop_app_queue(app_id)) == workflow
assert state_control.get_workflow_status(
workflow_id) == JuicerServer.STARTED
assert json.loads(state_control.pop_app_output_queue(app_id)) == {
'code': 0,
'message': 'Minion is processing message execute'
}
def test_runner_read_start_queue_missing_details_failure():
config = {'juicer': {'servers': {'redis_url': "nonexisting.mock"}}}
app_id = 1
workflow_id = 1000
# incorrect key, should raise exception
workflow = {
'workflow_id': workflow_id,
'xapp_id': app_id,
'type': 'execute',
'workflow': {}
}
with mock.patch('redis.StrictRedis',
mock_strict_redis_client) as mocked_redis:
with mock.patch('subprocess.Popen') as mocked_popen:
server = JuicerServer(config, 'faked_minions.py')
mocked_redis_conn = mocked_redis()
# Publishes a message to process data
state_control = StateControlRedis(mocked_redis_conn)
# Publishes a message to process data
state_control.push_start_queue(json.dumps(workflow))
state_control.set_minion_status(app_id, JuicerServer.STARTED)
# Start of testing
server.read_job_start_queue(mocked_redis_conn)
assert state_control.get_minion_status(
app_id) == JuicerServer.STARTED
assert not mocked_popen.called
# Was command removed from the queue?
assert state_control.pop_job_start_queue(block=False) is None
assert state_control.pop_app_queue(app_id, block=False) is None
assert state_control.pop_app_output_queue(app_id,
block=False) is None
assert mocked_redis_conn.hget(workflow_id, 'status') is None