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import unittest
import etcd
import dns.name
import dns.rdtypes.IN.SRV
import dns.resolver
try:
import mock
except ImportError:
from unittest import mock
class TestClient(unittest.TestCase):
def test_instantiate(self):
""" client can be instantiated"""
client = etcd.Client()
assert client is not None
def test_default_host(self):
""" default host is 127.0.0.1"""
client = etcd.Client()
assert client.host == "127.0.0.1"
def test_default_port(self):
""" default port is 4001"""
client = etcd.Client()
assert client.port == 4001
def test_default_prefix(self):
client = etcd.Client()
assert client.version_prefix == '/v2'
def test_default_protocol(self):
""" default protocol is http"""
client = etcd.Client()
assert client.protocol == 'http'
def test_default_read_timeout(self):
""" default read_timeout is 60"""
client = etcd.Client()
assert client.read_timeout == 60
def test_default_allow_redirect(self):
""" default allow_redirect is True"""
client = etcd.Client()
assert client.allow_redirect
def test_set_host(self):
""" can change host """
client = etcd.Client(host='192.168.1.1')
assert client.host == '192.168.1.1'
def test_set_port(self):
""" can change port """
client = etcd.Client(port=4002)
assert client.port == 4002
def test_set_prefix(self):
client = etcd.Client(version_prefix='/etcd')
assert client.version_prefix == '/etcd'
def test_set_protocol(self):
""" can change protocol """
client = etcd.Client(protocol='https')
assert client.protocol == 'https'
def test_set_read_timeout(self):
""" can set read_timeout """
client = etcd.Client(read_timeout=45)
assert client.read_timeout == 45
def test_set_allow_redirect(self):
""" can change allow_redirect """
client = etcd.Client(allow_redirect=False)
assert not client.allow_redirect
def test_default_base_uri(self):
""" default uri is http://127.0.0.1:4001 """
client = etcd.Client()
assert client.base_uri == 'http://127.0.0.1:4001'
def test_set_base_uri(self):
""" can change base uri """
client = etcd.Client(
host='192.168.1.1',
port=4003,
protocol='https')
assert client.base_uri == 'https://192.168.1.1:4003'
def test_set_use_proxies(self):
""" can set the use_proxies flag """
client = etcd.Client(use_proxies = True)
assert client._use_proxies
def test_allow_reconnect(self):
""" Fails if allow_reconnect is false and a list of hosts is given"""
with self.assertRaises(etcd.EtcdException):
etcd.Client(
host=(('localhost', 4001), ('localhost', 4002)),
)
# This doesn't raise an exception
client = etcd.Client(
host=(('localhost', 4001), ('localhost', 4002)),
allow_reconnect=True,
use_proxies=True,
)
def test_discover(self):
"""Tests discovery."""
answers = []
for i in range(1,3):
r = mock.create_autospec(dns.rdtypes.IN.SRV.SRV)
r.port = 2379
r.target = dns.name.from_unicode(u'etcd{}.example.com'.format(i))
answers.append(r)
dns.resolver.query = mock.create_autospec(dns.resolver.query, return_value=answers)
self.machines = etcd.Client.machines
etcd.Client.machines = mock.create_autospec(etcd.Client.machines, return_value=[u'https://etcd2.example.com:2379'])
c = etcd.Client(srv_domain="example.com", allow_reconnect=True, protocol="https")
etcd.Client.machines = self.machines
self.assertEquals(c.host, u'etcd1.example.com')
self.assertEquals(c.port, 2379)
self.assertEquals(c._machines_cache,
[u'https://etcd2.example.com:2379'])
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