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from BaseHTTPServer import (
HTTPServer,
BaseHTTPRequestHandler,
)
import httplib
import os
from signal import SIGKILL
import simplejson
from StringIO import StringIO
from unittest import TestCase
from urlparse import urlparse
from testtools import ExpectedException
from grackle.client import (
GrackleClient,
)
class ForkedFake:
def __init__(self, port, messages=None):
self.pid = None
self.port = port
self.messages = messages
self.read_end, self.write_end = os.pipe()
def is_ready(self):
os.write(self.write_end, 'asdf')
def __enter__(self):
pid = os.fork()
if pid == 0:
self.start_server()
self.pid = pid
os.read(self.read_end, 1)
return
def start_server(self):
service = HTTPServer(('', self.port), FakeGrackleRequestHandler)
service.messages = self.messages
self.is_ready()
service.serve_forever()
def __exit__(self, exc_type, exc_val, traceback):
os.kill(self.pid, SIGKILL)
class FakeGrackleRequestHandler(BaseHTTPRequestHandler):
def do_POST(self):
message = self.rfile.read(int(self.headers['content-length']))
if message == 'This is a message':
self.send_response(httplib.CREATED)
self.end_headers()
self.wfile.close()
else:
self.send_error(httplib.BAD_REQUEST)
def do_GET(self):
scheme, netloc, path, params, query, fragments = urlparse(self.path)
archive = os.path.split(path)[1]
self.send_response(httplib.OK)
self.end_headers()
self.wfile.write(simplejson.dumps(self.server.messages[archive]))
def fake_grackle_service(client, messages=None):
if messages is None:
messages = {}
return ForkedFake(client.port, messages)
class TestPutMessage(TestCase):
def test_put_message(self):
client = GrackleClient('localhost', 8436)
with fake_grackle_service(client):
client.put_message('arch1', 'asdf', StringIO('This is a message'))
with ExpectedException(Exception, 'wtf'):
client.put_message('arch1', 'asdf',
StringIO('This is not a message'))
class TestGetMessages(TestCase):
def test_get_messages(self):
client = GrackleClient('localhost', 8435)
with fake_grackle_service(client,
{'baz':
[{'message-id': 'foo'},
{'message-id': 'bar'}]}):
response = client.get_messages('baz', message_ids=['a'])
self.assertEqual(['bar', 'foo'], sorted(m['message-id'] for m in
response))
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