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test.py
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test.py
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#!/usr/bin/env python
# coding=utf-8
###############################################################################
from __future__ import print_function
import os
import sys
import inspect
import traceback
import optparse
import logging
import configobj
import unittest
try:
import cPickle as pickle
except ImportError:
import pickle as pickle
try:
from cStringIO import StringIO
except ImportError:
from StringIO import StringIO
try:
from setproctitle import setproctitle
except ImportError:
setproctitle = None
sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__))))
sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__),
'src')))
sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__),
'src', 'collectors')))
def run_only(func, predicate):
if predicate():
return func
else:
def f(arg):
pass
return f
def get_collector_config(key, value):
config = configobj.ConfigObj()
config['server'] = {}
config['server']['collectors_config_path'] = ''
config['collectors'] = {}
config['collectors']['default'] = {}
config['collectors']['default']['hostname_method'] = "uname_short"
config['collectors'][key] = value
return config
class CollectorTestCase(unittest.TestCase):
def setDocExample(self, collector, metrics, defaultpath=None):
if not len(metrics):
return False
filePath = os.path.join(os.path.dirname(os.path.realpath(__file__)),
'docs', 'collectors', collector + '.md')
if not os.path.exists(filePath):
return False
if not os.access(filePath, os.W_OK):
return False
if not os.access(filePath, os.R_OK):
return False
try:
with open(filePath, 'Ur') as fp:
content = fp.readlines()
with open(filePath, 'w') as fp:
for line in content:
if line.strip() == '__EXAMPLESHERE__':
for metric in sorted(metrics.iterkeys()):
metricPath = 'servers.hostname.'
if defaultpath:
metricPath += defaultpath + '.'
metricPath += metric
metricPath = metricPath.replace('..', '.')
fp.write('%s %s\n' % (metricPath, metrics[metric]))
else:
fp.write(line)
except IOError:
return False
return True
def getFixtureDirPath(self):
path = os.path.join(
os.path.dirname(inspect.getfile(self.__class__)),
'fixtures')
return path
def getFixturePath(self, fixture_name):
path = os.path.join(self.getFixtureDirPath(),
fixture_name)
if not os.access(path, os.R_OK):
print("Missing Fixture " + path)
return path
def getFixture(self, fixture_name):
with open(self.getFixturePath(fixture_name), 'r') as f:
return StringIO(f.read())
def getFixtures(self):
fixtures = []
for root, dirnames, filenames in os.walk(self.getFixtureDirPath()):
fixtures.append(os.path.join(root, dirnames, filenames))
return fixtures
def getPickledResults(self, results_name):
with open(self.getFixturePath(results_name), 'r') as f:
return pickle.load(f)
def setPickledResults(self, results_name, data):
with open(self.getFixturePath(results_name), 'w+b') as f:
pickle.dump(data, f)
def assertUnpublished(self, mock, key, value, expected_value=0):
return self.assertPublished(mock, key, value, expected_value)
def assertPublished(self, mock, key, value, expected_value=1):
if type(mock) is list:
for m in mock:
calls = (filter(lambda x: x[0][0] == key, m.call_args_list))
if len(calls) > 0:
break
else:
calls = filter(lambda x: x[0][0] == key, mock.call_args_list)
actual_value = len(calls)
message = '%s: actual number of calls %d, expected %d' % (
key, actual_value, expected_value)
self.assertEqual(actual_value, expected_value, message)
if expected_value:
actual_value = calls[0][0][1]
expected_value = value
precision = 0
if isinstance(value, tuple):
expected_value, precision = expected_value
message = '%s: actual %r, expected %r' % (key,
actual_value,
expected_value)
if precision is not None:
self.assertAlmostEqual(float(actual_value),
float(expected_value),
places=precision,
msg=message)
else:
self.assertEqual(actual_value, expected_value, message)
def assertUnpublishedMany(self, mock, dict, expected_value=0):
return self.assertPublishedMany(mock, dict, expected_value)
def assertPublishedMany(self, mock, dict, expected_value=1):
for key, value in dict.iteritems():
self.assertPublished(mock, key, value, expected_value)
if type(mock) is list:
for m in mock:
m.reset_mock()
else:
mock.reset_mock()
def assertUnpublishedMetric(self, mock, key, value, expected_value=0):
return self.assertPublishedMetric(mock, key, value, expected_value)
def assertPublishedMetric(self, mock, key, value, expected_value=1):
calls = filter(lambda x: x[0][0].path.find(key) != -1,
mock.call_args_list)
actual_value = len(calls)
message = '%s: actual number of calls %d, expected %d' % (
key, actual_value, expected_value)
self.assertEqual(actual_value, expected_value, message)
if expected_value:
actual_value = calls[0][0][0].value
expected_value = value
precision = 0
if isinstance(value, tuple):
expected_value, precision = expected_value
message = '%s: actual %r, expected %r' % (key,
actual_value,
expected_value)
if precision is not None:
self.assertAlmostEqual(float(actual_value),
float(expected_value),
places=precision,
msg=message)
else:
self.assertEqual(actual_value, expected_value, message)
def assertUnpublishedMetricMany(self, mock, dict, expected_value=0):
return self.assertPublishedMetricMany(mock, dict, expected_value)
def assertPublishedMetricMany(self, mock, dict, expected_value=1):
for key, value in dict.iteritems():
self.assertPublishedMetric(mock, key, value, expected_value)
mock.reset_mock()
collectorTests = {}
def getCollectorTests(path):
for f in os.listdir(path):
cPath = os.path.abspath(os.path.join(path, f))
if ((os.path.isfile(cPath) and
len(f) > 3 and
f[-3:] == '.py' and
f[0:4] == 'test')):
sys.path.append(os.path.dirname(cPath))
sys.path.append(os.path.dirname(os.path.dirname(cPath)))
modname = f[:-3]
try:
# Import the module
collectorTests[modname] = __import__(modname,
globals(),
locals(),
['*'])
except Exception:
print("Failed to import module: %s. %s" % (
modname, traceback.format_exc()))
continue
for f in os.listdir(path):
cPath = os.path.abspath(os.path.join(path, f))
if os.path.isdir(cPath):
getCollectorTests(cPath)
###############################################################################
if __name__ == "__main__":
if setproctitle:
setproctitle('test.py')
# Disable log output for the unit tests
log = logging.getLogger("diamond")
log.addHandler(logging.StreamHandler(sys.stderr))
log.disabled = True
# Initialize Options
parser = optparse.OptionParser()
parser.add_option("-c",
"--collector",
dest="collector",
default="",
help="Run a single collector's unit tests")
parser.add_option("-v",
"--verbose",
dest="verbose",
default=1,
action="count",
help="verbose")
# Parse Command Line Args
(options, args) = parser.parse_args()
cPath = os.path.abspath(os.path.join(os.path.dirname(__file__),
'src',
'collectors',
options.collector))
dPath = os.path.abspath(os.path.join(os.path.dirname(__file__),
'src',
'diamond'))
getCollectorTests(cPath)
if not options.collector:
# Only pull in diamond tests when a specific collector
# hasn't been specified
getCollectorTests(dPath)
loader = unittest.TestLoader()
tests = []
for test in collectorTests:
for name, c in inspect.getmembers(collectorTests[test],
inspect.isclass):
if not issubclass(c, unittest.TestCase):
continue
tests.append(loader.loadTestsFromTestCase(c))
suite = unittest.TestSuite(tests)
results = unittest.TextTestRunner(verbosity=options.verbose).run(suite)
results = str(results)
results = results.replace('>', '').split()[1:]
resobj = {}
for result in results:
result = result.split('=')
resobj[result[0]] = int(result[1])
if resobj['failures'] > 0:
sys.exit(1)
if resobj['errors'] > 0:
sys.exit(2)
sys.exit(0)