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import pytest
import six
import struct
import sys
import asyncio
import consul
import consul.aio
Check = consul.Check
@pytest.fixture
def loop(request):
asyncio.set_event_loop(None)
loop = asyncio.new_event_loop()
def fin():
loop.close()
request.addfinalizer(fin)
return loop
class TestAsyncioConsul(object):
def test_kv(self, loop, consul_port):
@asyncio.coroutine
def main():
c = consul.aio.Consul(port=consul_port, loop=loop)
print(c)
index, data = yield from c.kv.get('foo')
print(index, data)
assert data is None
response = yield from c.kv.put('foo', 'bar')
assert response is True
index, data = yield from c.kv.get('foo')
assert data['Value'] == six.b('bar')
c.close()
loop.run_until_complete(main())
def test_consul_ctor(self, loop, consul_port):
# same as previous but with global event loop
@asyncio.coroutine
def main():
c = consul.aio.Consul(port=consul_port)
assert c._loop is loop
yield from c.kv.put('foo', struct.pack('i', 1000))
index, data = yield from c.kv.get('foo')
assert struct.unpack('i', data['Value']) == (1000,)
c.close()
asyncio.set_event_loop(loop)
loop.run_until_complete(main())
def test_kv_binary(self, loop, consul_port):
@asyncio.coroutine
def main():
c = consul.aio.Consul(port=consul_port, loop=loop)
yield from c.kv.put('foo', struct.pack('i', 1000))
index, data = yield from c.kv.get('foo')
assert struct.unpack('i', data['Value']) == (1000,)
c.close()
loop.run_until_complete(main())
def test_kv_missing(self, loop, consul_port):
c = consul.aio.Consul(port=consul_port, loop=loop)
@asyncio.coroutine
def main():
fut = asyncio.async(put(), loop=loop)
yield from c.kv.put('index', 'bump')
index, data = yield from c.kv.get('foo')
assert data is None
index, data = yield from c.kv.get('foo', index=index)
assert data['Value'] == six.b('bar')
yield from fut
c.close()
@asyncio.coroutine
def put():
yield from asyncio.sleep(2.0/100, loop=loop)
yield from c.kv.put('foo', 'bar')
loop.run_until_complete(main())
def test_kv_put_flags(self, loop, consul_port):
@asyncio.coroutine
def main():
c = consul.aio.Consul(port=consul_port, loop=loop)
yield from c.kv.put('foo', 'bar')
index, data = yield from c.kv.get('foo')
assert data['Flags'] == 0
response = yield from c.kv.put('foo', 'bar', flags=50)
assert response is True
index, data = yield from c.kv.get('foo')
assert data['Flags'] == 50
c.close()
loop.run_until_complete(main())
def test_kv_delete(self, loop, consul_port):
@asyncio.coroutine
def main():
c = consul.aio.Consul(port=consul_port, loop=loop)
yield from c.kv.put('foo1', '1')
yield from c.kv.put('foo2', '2')
yield from c.kv.put('foo3', '3')
index, data = yield from c.kv.get('foo', recurse=True)
assert [x['Key'] for x in data] == ['foo1', 'foo2', 'foo3']
response = yield from c.kv.delete('foo2')
assert response is True
index, data = yield from c.kv.get('foo', recurse=True)
assert [x['Key'] for x in data] == ['foo1', 'foo3']
response = yield from c.kv.delete('foo', recurse=True)
assert response is True
index, data = yield from c.kv.get('foo', recurse=True)
assert data is None
c.close()
loop.run_until_complete(main())
def test_kv_subscribe(self, loop, consul_port):
c = consul.aio.Consul(port=consul_port, loop=loop)
@asyncio.coroutine
def get():
fut = asyncio.async(put(), loop=loop)
index, data = yield from c.kv.get('foo')
assert data is None
index, data = yield from c.kv.get('foo', index=index)
assert data['Value'] == six.b('bar')
yield from fut
c.close()
@asyncio.coroutine
def put():
yield from asyncio.sleep(1.0/100, loop=loop)
response = yield from c.kv.put('foo', 'bar')
assert response is True
loop.run_until_complete(get())
def test_agent_services(self, loop, consul_port):
@asyncio.coroutine
def main():
c = consul.aio.Consul(port=consul_port, loop=loop)
services = yield from c.agent.services()
del services['consul']
assert services == {}
response = yield from c.agent.service.register('foo')
assert response is True
services = yield from c.agent.services()
del services['consul']
assert services == {
'foo': {
'Port': 0,
'ID': 'foo',
'CreateIndex': 0,
'ModifyIndex': 0,
'EnableTagOverride': False,
'Service': 'foo',
'Tags': None,
'Address': ''}, }
response = yield from c.agent.service.deregister('foo')
assert response is True
services = yield from c.agent.services()
del services['consul']
assert services == {}
c.close()
loop.run_until_complete(main())
def test_catalog(self, loop, consul_port):
c = consul.aio.Consul(port=consul_port, loop=loop)
@asyncio.coroutine
def nodes():
fut = asyncio.async(register(), loop=loop)
index, nodes = yield from c.catalog.nodes()
assert len(nodes) == 1
current = nodes[0]
index, nodes = yield from c.catalog.nodes(index=index)
nodes.remove(current)
assert [x['Node'] for x in nodes] == ['n1']
index, nodes = yield from c.catalog.nodes(index=index)
nodes.remove(current)
assert [x['Node'] for x in nodes] == []
yield from fut
c.close()
@asyncio.coroutine
def register():
yield from asyncio.sleep(1.0/100, loop=loop)
response = yield from c.catalog.register('n1', '10.1.10.11')
assert response is True
yield from asyncio.sleep(50/1000.0, loop=loop)
response = yield from c.catalog.deregister('n1')
assert response is True
loop.run_until_complete(nodes())
def test_session(self, loop, consul_port):
c = consul.aio.Consul(port=consul_port, loop=loop)
@asyncio.coroutine
def monitor():
fut = asyncio.async(register(), loop=loop)
index, services = yield from c.session.list()
assert services == []
yield from asyncio.sleep(20/1000.0, loop=loop)
index, services = yield from c.session.list(index=index)
assert len(services)
index, services = yield from c.session.list(index=index)
assert services == []
yield from fut
c.close()
@asyncio.coroutine
def register():
yield from asyncio.sleep(1.0/100, loop=loop)
session_id = yield from c.session.create()
yield from asyncio.sleep(50/1000.0, loop=loop)
response = yield from c.session.destroy(session_id)
assert response is True
loop.run_until_complete(monitor())
def test_acl(self, loop, acl_consul):
@asyncio.coroutine
def main():
c = consul.aio.Consul(
port=acl_consul.port, token=acl_consul.token, loop=loop)
rules = """
key "" {
policy = "read"
}
key "private/" {
policy = "deny"
}
"""
token = yield from c.acl.create(rules=rules)
try:
yield from c.acl.list(token=token)
except consul.ACLPermissionDenied:
raised = True
assert raised
destroyed = yield from c.acl.destroy(token)
assert destroyed is True
c.close()
loop.run_until_complete(main())
@pytest.mark.skipif(sys.version_info < (3, 4, 1),
reason="Python <3.4.1 doesnt support __del__ calls "
"from GC")
def test_httpclient__del__method(self, loop, consul_port, recwarn):
@asyncio.coroutine
def main():
c = consul.aio.Consul(port=consul_port, loop=loop)
_, _ = yield from c.kv.get('foo')
del c
import gc
# run gc to ensure c is collected
gc.collect()
w = recwarn.pop(ResourceWarning)
assert issubclass(w.category, ResourceWarning)
loop.run_until_complete(main())
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