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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)