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import etcd
import unittest
try:
import mock
except ImportError:
from unittest import mock
from etcd import EtcdException
class FakeHTTPResponse(object):
def __init__(self, status, data=''):
self.status = status
self.data = data.encode('utf-8')
def getheaders(self):
return {}
class TestClientRequest(unittest.TestCase):
def test_machines(self):
""" Can request machines """
client = etcd.Client()
client.api_execute = mock.Mock(
return_value=FakeHTTPResponse(200, data=
"http://127.0.0.1:4002,"
" http://127.0.0.1:4001,"
" http://127.0.0.1:4003,"
" http://127.0.0.1:4001")
)
assert client.machines == [
'http://127.0.0.1:4002',
'http://127.0.0.1:4001',
'http://127.0.0.1:4003',
'http://127.0.0.1:4001'
]
def test_leader(self):
""" Can request the leader """
client = etcd.Client()
client.api_execute = mock.Mock(
return_value=FakeHTTPResponse(200, "http://127.0.0.1:7002"))
result = client.leader
self.assertEquals('http://127.0.0.1:7002', result)
def test_set(self):
""" Can set a value """
client = etcd.Client()
client.api_execute = mock.Mock(
return_value=FakeHTTPResponse(201,
'{"action":"SET",'
'"node": {'
'"key":"/testkey",'
'"value":"test",'
'"newKey":true,'
'"expiration":"2013-09-14T00:56:59.316195568+02:00",'
'"ttl":19,"modifiedIndex":183}}')
)
result = client.set('/testkey', 'test', ttl=19)
self.assertEquals(
etcd.EtcdResult(
**{u'action': u'SET',
'node': {
u'expiration': u'2013-09-14T00:56:59.316195568+02:00',
u'modifiedIndex': 183,
u'key': u'/testkey',
u'newKey': True,
u'ttl': 19,
u'value': u'test'}}), result)
def test_test_and_set(self):
""" Can test and set a value """
client = etcd.Client()
client.api_execute = mock.Mock(
return_value=FakeHTTPResponse(200,
'{"action":"SET",'
'"node": {'
'"key":"/testkey",'
'"prevValue":"test",'
'"value":"newvalue",'
'"expiration":"2013-09-14T02:09:44.24390976+02:00",'
'"ttl":49,"modifiedIndex":203}}')
)
result = client.test_and_set('/testkey', 'newvalue', 'test', ttl=19)
self.assertEquals(
etcd.EtcdResult(
**{u'action': u'SET',
u'node': {
u'expiration': u'2013-09-14T02:09:44.24390976+02:00',
u'modifiedIndex': 203,
u'key': u'/testkey',
u'prevValue': u'test',
u'ttl': 49,
u'value': u'newvalue'}
}), result)
def test_test_and_test_failure(self):
""" Exception will be raised if prevValue != value in test_set """
client = etcd.Client()
client.api_execute = mock.Mock(
side_effect=ValueError(
'The given PrevValue is not equal'
' to the value of the key : TestAndSet: 1!=3'))
try:
result = client.test_and_set(
'/testkey',
'newvalue',
'test', ttl=19)
except ValueError as e:
#from ipdb import set_trace; set_trace()
self.assertEquals(
'The given PrevValue is not equal'
' to the value of the key : TestAndSet: 1!=3', str(e))
def test_delete(self):
""" Can delete a value """
client = etcd.Client()
client.api_execute = mock.Mock(
return_value=FakeHTTPResponse(200,
'{"action":"DELETE",'
'"node": {'
'"key":"/testkey",'
'"prevValue":"test",'
'"expiration":"2013-09-14T01:06:35.5242587+02:00",'
'"modifiedIndex":189}}')
)
result = client.delete('/testkey')
self.assertEquals(etcd.EtcdResult(
**{u'action': u'DELETE',
u'node': {
u'expiration': u'2013-09-14T01:06:35.5242587+02:00',
u'modifiedIndex': 189,
u'key': u'/testkey',
u'prevValue': u'test'}
}), result)
def test_get(self):
""" Can get a value """
client = etcd.Client()
client.api_execute = mock.Mock(
return_value=FakeHTTPResponse(200,
'{"action":"GET",'
'"node": {'
'"key":"/testkey",'
'"value":"test",'
'"modifiedIndex":190}}')
)
result = client.get('/testkey')
self.assertEquals(etcd.EtcdResult(
**{u'action': u'GET',
u'node': {
u'modifiedIndex': 190,
u'key': u'/testkey',
u'value': u'test'}
}), result)
def test_get_multi(self):
"""Can get multiple values"""
pass
def test_get_subdirs(self):
""" Can understand dirs in results """
pass
def test_not_in(self):
""" Can check if key is not in client """
client = etcd.Client()
client.get = mock.Mock(side_effect=etcd.EtcdKeyNotFound())
result = '/testkey' not in client
self.assertEquals(True, result)
def test_in(self):
""" Can check if key is in client """
client = etcd.Client()
client.api_execute = mock.Mock(
return_value=FakeHTTPResponse(200,
'{"action":"GET",'
'"node": {'
'"key":"/testkey",'
'"value":"test",'
'"modifiedIndex":190}}')
)
result = '/testkey' in client
self.assertEquals(True, result)
def test_simple_watch(self):
""" Can watch values """
client = etcd.Client()
client.api_execute = mock.Mock(
return_value=FakeHTTPResponse(200,
'{"action":"SET",'
'"node": {'
'"key":"/testkey",'
'"value":"test",'
'"newKey":true,'
'"expiration":"2013-09-14T01:35:07.623681365+02:00",'
'"ttl":19,'
'"modifiedIndex":192}}')
)
result = client.watch('/testkey')
self.assertEquals(
etcd.EtcdResult(
**{u'action': u'SET',
u'node': {
u'expiration': u'2013-09-14T01:35:07.623681365+02:00',
u'modifiedIndex': 192,
u'key': u'/testkey',
u'newKey': True,
u'ttl': 19,
u'value': u'test'}
}), result)
def test_index_watch(self):
""" Can watch values from index """
client = etcd.Client()
client.api_execute = mock.Mock(
return_value=FakeHTTPResponse(200,
'{"action":"SET",'
'"node": {'
'"key":"/testkey",'
'"value":"test",'
'"newKey":true,'
'"expiration":"2013-09-14T01:35:07.623681365+02:00",'
'"ttl":19,'
'"modifiedIndex":180}}')
)
result = client.watch('/testkey', index=180)
self.assertEquals(
etcd.EtcdResult(
**{u'action': u'SET',
u'node': {
u'expiration': u'2013-09-14T01:35:07.623681365+02:00',
u'modifiedIndex': 180,
u'key': u'/testkey',
u'newKey': True,
u'ttl': 19,
u'value': u'test'}
}), result)
class TestEventGenerator(object):
def check_watch(self, result):
assert etcd.EtcdResult(
**{u'action': u'SET',
u'node': {
u'expiration': u'2013-09-14T01:35:07.623681365+02:00',
u'modifiedIndex': 180,
u'key': u'/testkey',
u'newKey': True,
u'ttl': 19,
u'value': u'test'}
}) == result
def test_eternal_watch(self):
""" Can watch values from generator """
client = etcd.Client()
client.api_execute = mock.Mock(
return_value=FakeHTTPResponse(200,
'{"action":"SET",'
'"node": {'
'"key":"/testkey",'
'"value":"test",'
'"newKey":true,'
'"expiration":"2013-09-14T01:35:07.623681365+02:00",'
'"ttl":19,'
'"modifiedIndex":180}}')
)
for result in range(1, 5):
result = next(client.eternal_watch('/testkey', index=180))
yield self.check_watch, result
class TestClientApiExecutor(unittest.TestCase):
def test_get(self):
""" http get request """
client = etcd.Client()
response = FakeHTTPResponse(status=200, data='arbitrary json data')
client.http.request = mock.Mock(return_value=response)
result = client.api_execute('/v1/keys/testkey', client._MGET)
self.assertEquals('arbitrary json data'.encode('utf-8'), result.data)
def test_delete(self):
""" http delete request """
client = etcd.Client()
response = FakeHTTPResponse(status=200, data='arbitrary json data')
client.http.request = mock.Mock(return_value=response)
result = client.api_execute('/v1/keys/testkey', client._MDELETE)
self.assertEquals('arbitrary json data'.encode('utf-8'), result.data)
def test_get_error(self):
""" http get error request 101"""
client = etcd.Client()
response = FakeHTTPResponse(status=400,
data='{"message": "message",'
' "cause": "cause",'
' "errorCode": 100}')
client.http.request = mock.Mock(return_value=response)
try:
client.api_execute('/v2/keys/testkey', client._MGET)
assert False
except etcd.EtcdKeyNotFound as e:
self.assertEquals(str(e), 'message : cause')
def test_put(self):
""" http put request """
client = etcd.Client()
response = FakeHTTPResponse(status=200, data='arbitrary json data')
client.http.request_encode_body = mock.Mock(return_value=response)
result = client.api_execute('/v2/keys/testkey', client._MPUT)
self.assertEquals('arbitrary json data'.encode('utf-8'), result.data)
def test_test_and_set_error(self):
""" http post error request 101 """
client = etcd.Client()
response = FakeHTTPResponse(
status=400,
data='{"message": "message", "cause": "cause", "errorCode": 101}')
client.http.request_encode_body = mock.Mock(return_value=response)
payload = {'value': 'value', 'prevValue': 'oldValue', 'ttl': '60'}
try:
client.api_execute('/v2/keys/testkey', client._MPUT, payload)
self.fail()
except ValueError as e:
self.assertEquals('message : cause', str(e))
def test_set_error(self):
""" http post error request 102 """
client = etcd.Client()
response = FakeHTTPResponse(
status=400,
data='{"message": "message", "cause": "cause", "errorCode": 102}')
client.http.request_encode_body = mock.Mock(return_value=response)
payload = {'value': 'value', 'prevValue': 'oldValue', 'ttl': '60'}
try:
client.api_execute('/v2/keys/testkey', client._MPUT, payload)
self.fail()
except KeyError as e:
self.assertEquals('message : cause', str(e))
def test_set_error(self):
""" http post error request 102 """
client = etcd.Client()
response = FakeHTTPResponse(
status=400,
data='{"message": "message", "cause": "cause", "errorCode": 102}')
client.http.request_encode_body = mock.Mock(return_value=response)
payload = {'value': 'value', 'prevValue': 'oldValue', 'ttl': '60'}
try:
client.api_execute('/v2/keys/testkey', client._MPUT, payload)
self.fail()
except etcd.EtcdNotFile as e:
self.assertEquals('message : cause', str(e))
def test_get_error_unknown(self):
""" http get error request unknown """
client = etcd.Client()
response = FakeHTTPResponse(status=400,
data='{"message": "message",'
' "cause": "cause",'
' "errorCode": 42}')
client.http.request = mock.Mock(return_value=response)
try:
client.api_execute('/v2/keys/testkey', client._MGET)
self.fail()
except etcd.EtcdException as e:
self.assertTrue(
str(e).startswith("Unable to decode server response"))
def test_get_error_request_invalid(self):
""" http get error request invalid """
client = etcd.Client()
response = FakeHTTPResponse(status=200,
data='{){){)*garbage*')
client.http.request = mock.Mock(return_value=response)
self.assertRaises(etcd.EtcdException, client.get, '/testkey')
def test_get_error_invalid(self):
""" http get error request invalid """
client = etcd.Client()
response = FakeHTTPResponse(status=400,
data='{){){)*garbage*')
client.http.request = mock.Mock(return_value=response)
self.assertRaises(etcd.EtcdException, client.api_execute,
'/v2/keys/testkey', client._MGET)
|
