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#! /usr/bin/env python
# -*- coding: utf-8 -*-
# vi:ts=4:et
from . import localhost
import pycurl
import unittest
import sys
try:
import json
except ImportError:
import simplejson as json
try:
import urllib.parse as urllib_parse
except ImportError:
import urllib as urllib_parse
from . import appmanager
from . import util
setup_module, teardown_module = appmanager.setup(('app', 8380))
POSTFIELDS = {
'field1':'value1',
'field2':'value2 with blanks',
'field3':'value3',
}
POSTSTRING = urllib_parse.urlencode(POSTFIELDS)
class DataProvider(object):
def __init__(self, data):
self.data = data
self.finished = False
def read_cb(self, size):
assert len(self.data) <= size
if not self.finished:
self.finished = True
return self.data
else:
# Nothing more to read
return ""
class ReadCbTest(unittest.TestCase):
def setUp(self):
self.curl = util.DefaultCurl()
def tearDown(self):
self.curl.close()
def test_post_with_read_callback(self):
d = DataProvider(POSTSTRING)
self.curl.setopt(self.curl.URL, 'http://%s:8380/postfields' % localhost)
self.curl.setopt(self.curl.POST, 1)
self.curl.setopt(self.curl.POSTFIELDSIZE, len(POSTSTRING))
self.curl.setopt(self.curl.READFUNCTION, d.read_cb)
#self.curl.setopt(self.curl.VERBOSE, 1)
sio = util.BytesIO()
self.curl.setopt(pycurl.WRITEFUNCTION, sio.write)
self.curl.perform()
actual = json.loads(sio.getvalue().decode())
self.assertEqual(POSTFIELDS, actual)
def test_post_with_read_callback_returning_bytes(self):
self.check_bytes('world')
def test_post_with_read_callback_returning_bytes_with_nulls(self):
self.check_bytes("wor\0ld")
def test_post_with_read_callback_returning_bytes_with_multibyte(self):
self.check_bytes(util.u("Пушкин"))
def check_bytes(self, poststring):
data = poststring.encode('utf8')
assert type(data) == util.binary_type
d = DataProvider(data)
self.curl.setopt(self.curl.URL, 'http://%s:8380/raw_utf8' % localhost)
self.curl.setopt(self.curl.POST, 1)
self.curl.setopt(self.curl.HTTPHEADER, ['Content-Type: application/octet-stream'])
# length of bytes
self.curl.setopt(self.curl.POSTFIELDSIZE, len(data))
self.curl.setopt(self.curl.READFUNCTION, d.read_cb)
#self.curl.setopt(self.curl.VERBOSE, 1)
sio = util.BytesIO()
self.curl.setopt(pycurl.WRITEFUNCTION, sio.write)
self.curl.perform()
# json should be ascii
actual = json.loads(sio.getvalue().decode('ascii'))
self.assertEqual(poststring, actual)
def test_post_with_read_callback_returning_unicode(self):
self.check_unicode(util.u('world'))
def test_post_with_read_callback_returning_unicode_with_nulls(self):
self.check_unicode(util.u("wor\0ld"))
def test_post_with_read_callback_returning_unicode_with_multibyte(self):
try:
self.check_unicode(util.u("Пушкин"))
# prints:
# UnicodeEncodeError: 'ascii' codec can't encode characters in position 6-11: ordinal not in range(128)
except pycurl.error:
err, msg = sys.exc_info()[1].args
# we expect pycurl.E_WRITE_ERROR as the response
self.assertEqual(pycurl.E_ABORTED_BY_CALLBACK, err)
self.assertEqual('operation aborted by callback', msg)
def check_unicode(self, poststring):
assert type(poststring) == util.text_type
d = DataProvider(poststring)
self.curl.setopt(self.curl.URL, 'http://%s:8380/raw_utf8' % localhost)
self.curl.setopt(self.curl.POST, 1)
self.curl.setopt(self.curl.HTTPHEADER, ['Content-Type: application/octet-stream'])
self.curl.setopt(self.curl.POSTFIELDSIZE, len(poststring))
self.curl.setopt(self.curl.READFUNCTION, d.read_cb)
#self.curl.setopt(self.curl.VERBOSE, 1)
sio = util.BytesIO()
self.curl.setopt(pycurl.WRITEFUNCTION, sio.write)
self.curl.perform()
# json should be ascii
actual = json.loads(sio.getvalue().decode('ascii'))
self.assertEqual(poststring, actual)
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