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# -*- coding: utf-8 -*-
import pycurl
import StringIO
import sys
from base import *
class CurlRequestException(Exception):
def __init__(self, value): self.value = value
def __str__(self): return repr(self.value)
class CurlRequest(TestBase):
URL = None
SCHEME = "http"
PORT = 0 # offset to Env.port
AUTH = None
EXPECT_RESPONSE_BODY = None
EXPECT_RESPONSE_CODE = None
EXPECT_RESPONSE_HEADERS = []
def __init__(self):
super(CurlRequest, self).__init__()
self.resp_header_list = []
self.resp_headers = { }
self.resp_first_line = None
def _recv_header(self, header):
header = header.rstrip()
if None == self.resp_first_line:
self.resp_first_line = header
return
if header == "":
return
try:
(key, value) = header.split(":", 1)
except:
print >> sys.stderr, "Couldn't parse header '%s'" % header
raise
key = key.strip()
value = value.strip()
self.resp_header_list.append((key, value))
if self.resp_headers.has_key(key):
self.resp_headers[key] += ", " + value
else:
self.resp_headers[key] = value
def Run(self):
if None == self.URL:
raise BasicException("You have to set URL in your CurlRequest instance")
c = pycurl.Curl()
c.setopt(pycurl.URL, self.SCHEME + ("://127.0.0.1:%i" % (Env.port + self.PORT)) + self.URL)
c.setopt(pycurl.HTTPHEADER, ["Host: " + self.vhost])
b = StringIO.StringIO()
c.setopt(pycurl.WRITEFUNCTION, b.write)
c.setopt(pycurl.HEADERFUNCTION, self._recv_header)
if None != self.AUTH:
c.setopt(pycurl.USERPWD, self.AUTH)
c.setopt(pycurl.FOLLOWLOCATION, 1)
c.setopt(pycurl.MAXREDIRS, 5)
self.curl = c
self.buffer = b
self.PrepareRequest()
c.perform()
try:
if not self._checkResponse():
raise CurlRequestException("Response check failed")
except:
if not Env.debugRequests:
self.dump()
raise
finally:
c.close()
self.curl = None
return True
def PrepareRequest(self):
pass
def dump(self):
c = self.curl
Env.log.flush()
print >> Env.log, "Dumping request for test '%s'" % self.name
print >> Env.log, "Curl request: URL = %s://%s:%i%s" % (self.SCHEME, self.vhost, Env.port + self.PORT, self.URL)
print >> Env.log, "Curl response code: %i " % (c.getinfo(pycurl.RESPONSE_CODE))
print >> Env.log, "Curl response headers:"
for (k, v) in self.resp_header_list:
print >> Env.log, " %s: %s" % (k, v)
print >> Env.log, "Curl response body:"
print >> Env.log, self.buffer.getvalue()
Env.log.flush()
def _checkResponse(self):
c = self.curl
if Env.debugRequests:
self.dump()
if not self.CheckResponse():
return False
if None != self.EXPECT_RESPONSE_CODE:
code = c.getinfo(pycurl.RESPONSE_CODE)
if code != self.EXPECT_RESPONSE_CODE:
raise CurlRequestException("Unexpected response code %i (wanted %i)" % (code, self.EXPECT_RESPONSE_CODE))
if None != self.EXPECT_RESPONSE_BODY:
body = self.buffer.getvalue()
if body != self.EXPECT_RESPONSE_BODY:
raise CurlRequestException("Unexpected response body")
for (k, v) in self.EXPECT_RESPONSE_HEADERS:
if not self.resp_headers.has_key(k):
raise CurlRequestException("Didn't get wanted response header '%s'" % (k))
v1 = self.resp_headers[k]
if v1 != v:
raise CurlRequestException("Unexpected response header '%s' = '%s' (wanted '%s')" % (k, v1, v))
return True
def CheckResponse(self):
return True