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import etcd
import unittest
import json
import mox
import urllib3
from etcd import EtcdException
class TestClientV2ApiInterface(mox.MoxTestBase):
def setUp(self):
mox.MoxTestBase.setUp(self)
self.client = etcd.Client()
self.mox.StubOutWithMock(self.client, 'api_execute')
def _prepare_response(self, status, d):
r = self.mox.CreateMock(urllib3.response.HTTPResponse)
r.status = status
if isinstance(d, dict):
r.data = json.dumps(d)
else:
r.data = d
return r
def _mock_write(self, status, d):
resp = self._prepare_response(status, d)
self.client.api_execute(mox.IsA(str),self.client._MPUT,
mox.IsA(dict)).AndReturn(resp)
def _mock_get(self, status, d):
resp = self._prepare_response(status, d)
self.client.api_execute(
mox.IsA(str),
self.client._MGET,
mox.Or(mox.IsA(dict), mox.IsA(None))
).AndReturn(resp)
def _mock_get_plain(self, status, d):
resp = self._prepare_response(status, d)
self.client.api_execute(
mox.IsA(str),
self.client._MGET
).AndReturn(resp)
def _mock_delete(self, status, d):
resp = self._prepare_response(status, d)
self.client.api_execute(
mox.IsA(str),
self.client._MDELETE
).AndReturn(resp)
def _mock_exception(self, exc, msg):
self.client.api_execute(
mox.IgnoreArg(),
mox.IgnoreArg(),
mox.IgnoreArg()
# params = mox.Or(mox.IsA(dict), mox.IsA(None))
).AndRaise(exc(msg))
def test_machines(self):
""" Can request machines """
data = ['http://127.0.0.1:4001','http://127.0.0.1:4002','http://127.0.0.1:4003']
d = ','.join(data)
self._mock_get_plain(200,d)
self.mox.ReplayAll()
self.assertEquals(data, self.client.machines)
def test_leader(self):
""" Can request the leader """
data = "http://127.0.0.1:4001"
self._mock_get_plain(200, data)
self.mox.ReplayAll()
self.assertEquals(self.client.leader, data)
#test writes
def test_set_plain(self):
d = {u'action': u'set',
u'expiration': u'2013-09-14T00:56:59.316195568+02:00',
u'modifiedIndex': 183,
u'key': u'/testkey',
u'ttl': 19,
u'value': u'test'}
self._mock_write(200, d)
self.mox.ReplayAll()
res = self.client.write('/testkey', 'test')
self.assertEquals(res, etcd.EtcdResult(**d))
def test_newkey(self):
d = {u'action': u'set',
u'expiration': u'2013-09-14T00:56:59.316195568+02:00',
u'modifiedIndex': 183,
u'key': u'/testkey',
u'ttl': 19,
u'value': u'test'}
self._mock_write(201, d)
self.mox.ReplayAll()
d['newKey'] = True
res = self.client.write('/testkey', 'test')
self.assertEquals(res, etcd.EtcdResult(**d))
def test_compare_and_swap(self):
d = {u'action': u'compareAndSwap',
u'expiration': u'2013-09-14T00:56:59.316195568+02:00',
u'modifiedIndex': 183,
u'key': u'/testkey',
'prevValue': 'test_old',
u'ttl': 19,
u'value': u'test'}
self._mock_write(200,d)
self.mox.ReplayAll()
res = self.client.write('/testkey', 'test', prevValue = 'test_old')
self.assertEquals(res, etcd.EtcdResult(**d))
self.mox.UnsetStubs()
self.mox.VerifyAll()
def test_compare_and_swap_existence(self):
d = {
u'action': u'compareAndSwap',
u'expiration': u'2013-09-14T00:56:59.316195568+02:00',
u'modifiedIndex': 183,
u'key': u'/testkey',
u'ttl': 19,
u'value': u'test'
}
self._mock_write(200,d)
self.mox.ReplayAll()
res = self.client.write('/testkey', 'test', prevExists = True)
self.assertEquals(res, etcd.EtcdResult(**d))
def test_compare_and_swap_failure(self):
""" Exception will be raised if prevValue != value in test_set """
self._mock_exception(ValueError,'Test Failed : [ 1!=3 ]')
self.mox.ReplayAll()
self.assertRaises(
ValueError,
self.client.write,
'/testKey',
'test',
prevValue='oldbog'
)
def test_delete(self):
""" Can delete a value """
d = {
u'action': u'delete',
u'key': u'/testkey',
}
self._mock_delete(200, d)
self.mox.ReplayAll()
res = self.client.delete('/testKey')
self.assertEquals(res, etcd.EtcdResult(**d))
def test_read(self):
""" Can get a value """
d = {
u'action': u'get',
u'modifiedIndex': 190,
u'key': u'/testkey',
u'value': u'test'
}
self._mock_get(200,d)
self.mox.ReplayAll()
res = self.client.read('/testKey')
self.assertEquals(res, etcd.EtcdResult(**d))
def test_get_dir(self):
"""Can get values in dirs"""
d = {
u'action': u'get',
u'modifiedIndex': 190,
u'key': u'/testkey',
u'dir': True,
u'kvs': [
{
u'key': u'/testDir/testKey',
u'modifiedIndex': 150,
u'value': 'test'
},
{
u'key': u'/testDir/testKey2',
u'modifiedIndex': 190,
u'value': 'test2'
}
]
}
self._mock_get(200,d)
self.mox.ReplayAll()
res = self.client.read('/testDir', recursive = True)
self.assertEquals(res, etcd.EtcdResult(**d))
class TestClientV2Request(TestClientV2ApiInterface):
def setUp(self):
mox.MoxTestBase.setUp(self)
self.client = etcd.Client()
self.mox.StubOutWithMock(self.client.http, 'request')
self.mox.StubOutWithMock(self.client.http, 'request_encode_body')
def _mock_write(self, status, d):
resp = self._prepare_response(status, d)
self.client.http.request_encode_body(
self.client._MPUT, mox.IsA(str),
encode_multipart=mox.IsA(bool),
redirect=mox.IsA(bool),
fields=mox.IsA(dict)
).AndReturn(resp)
def _mock_get(self, status, data):
resp = self._prepare_response(status, data)
self.client.http.request(
self.client._MGET, mox.IsA(str),
redirect=mox.IsA(bool),
fields=mox.Or(mox.IsA(dict),mox.IsA(None))
).AndReturn(resp)
def _mock_get_plain(self, status, data):
return self._mock_get(status, data)
def _mock_error(self, error_code, msg, cause, method='PUT', fields=None):
resp = self._prepare_response(
500,
{'errorCode': error_code,'message': msg, 'cause': cause}
)
kwds = {'redirect': mox.IsA(bool), 'fields': mox.IsA(type(fields))}
if method == 'PUT':
kwds['encode_multipart'] = mox.IsA(bool)
self.client.http.request_encode_body(
method,
mox.IsA(str),
**kwds
).AndReturn(resp)
else:
self.client.http.request(
method,
mox.IsA(str),
**kwds
).AndReturn(resp)
def _mock_delete(self, status, data):
resp = self._prepare_response(status, data)
self.client.http.request(
self.client._MDELETE, mox.IsA(str),
redirect=mox.IsA(bool),
fields=mox.Or(mox.IsA(dict),mox.IsA(None))
).AndReturn(resp)
def test_compare_and_swap_failure(self):
""" Exception will be raised if prevValue != value in test_set """
self._mock_error(200, 'Test Failed', '[ 1!=3 ]', fields={'prevValue': 'oldbog'})
self.mox.ReplayAll()
self.assertRaises(
ValueError,
self.client.write,
'/testKey',
'test',
prevValue='oldbog'
)
|
