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import time
import os
try:
# python 2.6
from unittest2 import TestCase, SkipTest
except ImportError:
from unittest import TestCase, SkipTest
from elasticsearch import Elasticsearch
from elasticsearch.exceptions import ConnectionError
def get_test_client(nowait=False, **kwargs):
# construct kwargs from the environment
kw = {'timeout': 30}
if 'TEST_ES_CONNECTION' in os.environ:
from elasticsearch import connection
kw['connection_class'] = getattr(connection, os.environ['TEST_ES_CONNECTION'])
kw.update(kwargs)
client = Elasticsearch([os.environ.get('TEST_ES_SERVER', {})], **kw)
# wait for yellow status
for _ in range(1 if nowait else 100):
try:
client.cluster.health(wait_for_status='yellow')
return client
except ConnectionError:
time.sleep(.1)
else:
# timeout
raise SkipTest("Elasticsearch failed to start.")
def _get_version(version_string):
if '.' not in version_string:
return ()
version = version_string.strip().split('.')
return tuple(int(v) if v.isdigit() else 999 for v in version)
class ElasticsearchTestCase(TestCase):
@staticmethod
def _get_client():
return get_test_client()
@classmethod
def setUpClass(cls):
super(ElasticsearchTestCase, cls).setUpClass()
cls.client = cls._get_client()
def tearDown(self):
super(ElasticsearchTestCase, self).tearDown()
self.client.indices.delete(index='*', ignore=404)
self.client.indices.delete_template(name='*', ignore=404)
@property
def es_version(self):
if not hasattr(self, '_es_version'):
version_string = self.client.info()['version']['number']
self._es_version = _get_version(version_string)
return self._es_version
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