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import json
import os
import shutil
import sys
os.environ.setdefault(
'GRAPHITE_API_CONFIG',
os.path.join(os.path.dirname(__file__), 'conf.yaml')) # noqa
try:
import unittest2 as unittest
except ImportError:
import unittest
from graphite_api.app import app
from graphite_api.finders.whisper import WhisperFinder
from graphite_api.search import IndexSearcher
from graphite_api.storage import Store
from graphite_api._vendor import whisper
DATA_DIR = '/tmp/graphite-api-data.{0}'.format(os.getpid())
WHISPER_DIR = os.path.join(DATA_DIR, 'whisper')
SEARCH_INDEX = os.path.join(DATA_DIR, 'index')
null_handler = 'logging.NullHandler'
if sys.version_info > (2, 7):
from logging.config import dictConfig
else:
from logutils.dictconfig import dictConfig
class NullHandler(object):
def emit(self, record):
pass
def setLevel(self, level):
pass
null_handler = 'tests.NullHandler'
dictConfig({
'version': 1,
'handlers': {
'raw': {
'level': 'DEBUG',
'class': null_handler,
},
},
})
class TestCase(unittest.TestCase):
def _cleanup(self):
shutil.rmtree(DATA_DIR, ignore_errors=True)
def setUp(self):
self._cleanup()
os.makedirs(WHISPER_DIR)
app.config['TESTING'] = True
whisper_conf = {'whisper': {'directories': [WHISPER_DIR]}}
app.config['GRAPHITE']['store'] = Store([WhisperFinder(whisper_conf)])
app.config['GRAPHITE']['searcher'] = IndexSearcher(SEARCH_INDEX)
self.app = app.test_client()
def tearDown(self):
self._cleanup()
def assertJSON(self, response, data, status_code=200):
self.assertEqual(response.status_code, status_code)
self.assertEqual(json.loads(response.data.decode('utf-8')), data)
def write_series(self, series, retentions=[(1, 180)]):
file_name = os.path.join(
WHISPER_DIR,
'{0}.wsp'.format(series.pathExpression.replace('.', os.sep)))
dir_name = os.path.dirname(file_name)
if not os.path.isdir(dir_name):
os.makedirs(dir_name)
whisper.create(file_name, retentions)
data = []
for index, value in enumerate(series):
if value is None:
continue
data.append((series.start + index * series.step, value))
whisper.update_many(file_name, data)
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