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##############################################################################
# Copyright (c) 2015 EMC and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import json
from time import strptime
import unittest
import mock
from storperf.carbon import converter
from storperf.carbon.emitter import CarbonMetricTransmitter
addresses = []
data = []
connect_exception = []
send_exception = []
class MockSocket(object):
def __init__(self, *args):
pass
def connect(self, address):
if len(connect_exception) != 0:
raise connect_exception[0]
addresses.append(address)
def send(self, datum):
if len(send_exception) != 0:
raise send_exception[0]
data.append(datum)
def close(self):
pass
class CarbonMetricTransmitterTest(unittest.TestCase):
listen_port = 0
response = None
def setUp(self):
del addresses[:]
del data[:]
del connect_exception[:]
del send_exception[:]
@mock.patch("socket.socket")
@mock.patch("time.gmtime")
def test_transmit_metrics(self, mock_time, mock_socket):
mock_socket.side_effect = MockSocket
mock_time.return_value = strptime("30 Nov 00", "%d %b %y")
testconv = converter.Converter()
json_object = json.loads(
"""{"timestamp" : "975542400", "key":123.0 }""")
result = testconv.convert_json_to_flat(json_object, "host.run-name")
emitter = CarbonMetricTransmitter()
emitter.carbon_port = self.listen_port
emitter.transmit_metrics(result, None)
self.assertEqual("host.run-name.key 123.0 975542400\n",
data[1],
data[1])
@mock.patch("socket.socket")
@mock.patch("time.gmtime")
def test_skip_non_numeric_metrics(self, mock_time, mock_socket):
mock_socket.side_effect = MockSocket
mock_time.return_value = strptime("30 Nov 00", "%d %b %y")
testconv = converter.Converter()
json_object = json.loads(
"""{"timestamp" : "975542400", "key":"value" }""")
result = testconv.convert_json_to_flat(json_object, "host.run-name")
emitter = CarbonMetricTransmitter()
emitter.carbon_port = self.listen_port
emitter.transmit_metrics(result, None)
self.assertEqual("None.commit-marker 975542400 975542400\n",
data[1],
data[1])
@mock.patch("socket.socket")
def test_connect_fails(self, mock_socket):
mock_socket.side_effect = MockSocket
connect_exception.append(Exception("Mock connection error"))
testconv = converter.Converter()
json_object = json.loads(
"""{"timestamp" : "975542400", "key":"value" }""")
result = testconv.convert_json_to_flat(json_object, "host.run-name")
emitter = CarbonMetricTransmitter()
emitter.carbon_port = self.listen_port
emitter.transmit_metrics(result, None)
self.assertEqual(0,
len(data),
len(data))
@mock.patch("socket.socket")
def test_send_fails(self, mock_socket):
mock_socket.side_effect = MockSocket
send_exception.append(Exception("Mock send error"))
testconv = converter.Converter()
json_object = json.loads(
"""{"timestamp" : "975542400", "key":"value" }""")
result = testconv.convert_json_to_flat(json_object, "host.run-name")
emitter = CarbonMetricTransmitter()
emitter.carbon_port = self.listen_port
emitter.transmit_metrics(result, None)
self.assertEqual(0,
len(data),
len(data))
@mock.patch("storperf.db.graphite_db.GraphiteDB.fetch_item")
def test_confirm_commit(self, mock_graphite_db):
graphite_return = json.loads("""[
{"target":
"rw.queue-depth.2.block-size.2048.10-10-243-154.commit-marker",
"datapoints": [[1503078366.0, 1503078370]]}]
""")
mock_graphite_db.return_value = graphite_return
commit_marker = "commit-marker"
emitter = CarbonMetricTransmitter()
emitter.commit_markers[commit_marker] = 1503078366
committed = emitter.confirm_commit(commit_marker)
self.assertTrue(committed)
@mock.patch("storperf.db.graphite_db.GraphiteDB.fetch_item")
def test_confirm_multiple_commits(self, mock_graphite_db):
graphite_return = json.loads("""[
{"target":
"rw.queue-depth.2.block-size.2048.10-10-243-154.commit-marker",
"datapoints": [
[1503078300.0, 1503078350],
[1503078366.0, 1503078360]]}]
""")
mock_graphite_db.return_value = graphite_return
commit_marker = "commit-marker"
emitter = CarbonMetricTransmitter()
emitter.commit_markers[commit_marker] = 1503078366
committed = emitter.confirm_commit(commit_marker)
self.assertTrue(committed)
@mock.patch("storperf.db.graphite_db.GraphiteDB.fetch_item")
def test_empty_commit(self, mock_graphite_db):
graphite_return = json.loads("[]")
mock_graphite_db.return_value = graphite_return
commit_marker = "commit-marker"
emitter = CarbonMetricTransmitter()
emitter.commit_markers[commit_marker] = 1503078366
committed = emitter.confirm_commit(commit_marker)
self.assertFalse(committed)
@mock.patch("storperf.db.graphite_db.GraphiteDB.fetch_item")
def test_badtimestamp_commit(self, mock_graphite_db):
graphite_return = json.loads("""[
{"target":
"rw.queue-depth.2.block-size.2048.10-10-243-154.commit-marker",
"datapoints": [[1234, 1503078370]]}]
""")
mock_graphite_db.return_value = graphite_return
commit_marker = "commit-marker"
emitter = CarbonMetricTransmitter()
emitter.commit_markers[commit_marker] = 1503078366
committed = emitter.confirm_commit(commit_marker)
self.assertFalse(committed)
def test_timestamp_parse(self):
emitter = CarbonMetricTransmitter()
result = json.loads("""[
{"target":
"rw.queue-depth.2.block-size.2048.10-10-243-154.commit-marker",
"datapoints": [[1503078366.0, 1503078370]]}]
""")
timestamps = emitter.parse_timestamp(result)
self.assertEqual(1503078366, timestamps[0], timestamps[0])
if __name__ == '__main__':
unittest.main()
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