blob: 37cda5d19be832ec72148633fabf9173518970f6 [file] [log] [blame]
import errno
from http import client
import io
import array
import socket
from unittest import TestCase
from test import support
HOST = support.HOST
class FakeSocket:
def __init__(self, text, fileclass=io.BytesIO):
if isinstance(text, str):
text = text.encode("ascii")
self.text = text
self.fileclass = fileclass
self.data = b''
def sendall(self, data):
self.data += data
def makefile(self, mode, bufsize=None):
if mode != 'r' and mode != 'rb':
raise client.UnimplementedFileMode()
return self.fileclass(self.text)
class EPipeSocket(FakeSocket):
def __init__(self, text, pipe_trigger):
# When sendall() is called with pipe_trigger, raise EPIPE.
FakeSocket.__init__(self, text)
self.pipe_trigger = pipe_trigger
def sendall(self, data):
if self.pipe_trigger in data:
raise socket.error(errno.EPIPE, "gotcha")
self.data += data
def close(self):
pass
class NoEOFStringIO(io.BytesIO):
"""Like StringIO, but raises AssertionError on EOF.
This is used below to test that http.client doesn't try to read
more from the underlying file than it should.
"""
def read(self, n=-1):
data = io.BytesIO.read(self, n)
if data == b'':
raise AssertionError('caller tried to read past EOF')
return data
def readline(self, length=None):
data = io.BytesIO.readline(self, length)
if data == b'':
raise AssertionError('caller tried to read past EOF')
return data
class HeaderTests(TestCase):
def test_auto_headers(self):
# Some headers are added automatically, but should not be added by
# .request() if they are explicitly set.
class HeaderCountingBuffer(list):
def __init__(self):
self.count = {}
def append(self, item):
kv = item.split(b':')
if len(kv) > 1:
# item is a 'Key: Value' header string
lcKey = kv[0].decode('ascii').lower()
self.count.setdefault(lcKey, 0)
self.count[lcKey] += 1
list.append(self, item)
for explicit_header in True, False:
for header in 'Content-length', 'Host', 'Accept-encoding':
conn = client.HTTPConnection('example.com')
conn.sock = FakeSocket('blahblahblah')
conn._buffer = HeaderCountingBuffer()
body = 'spamspamspam'
headers = {}
if explicit_header:
headers[header] = str(len(body))
conn.request('POST', '/', body, headers)
self.assertEqual(conn._buffer.count[header.lower()], 1)
class BasicTest(TestCase):
def test_status_lines(self):
# Test HTTP status lines
body = "HTTP/1.1 200 Ok\r\n\r\nText"
sock = FakeSocket(body)
resp = client.HTTPResponse(sock)
resp.begin()
self.assertEqual(resp.read(), b"Text")
self.assertTrue(resp.isclosed())
body = "HTTP/1.1 400.100 Not Ok\r\n\r\nText"
sock = FakeSocket(body)
resp = client.HTTPResponse(sock)
self.assertRaises(client.BadStatusLine, resp.begin)
def test_partial_reads(self):
# if we have a lenght, the system knows when to close itself
# same behaviour than when we read the whole thing with read()
body = "HTTP/1.1 200 Ok\r\nContent-Length: 4\r\n\r\nText"
sock = FakeSocket(body)
resp = client.HTTPResponse(sock)
resp.begin()
self.assertEqual(resp.read(2), b'Te')
self.assertFalse(resp.isclosed())
self.assertEqual(resp.read(2), b'xt')
self.assertTrue(resp.isclosed())
def test_host_port(self):
# Check invalid host_port
for hp in ("www.python.org:abc", "www.python.org:"):
self.assertRaises(client.InvalidURL, client.HTTPConnection, hp)
for hp, h, p in (("[fe80::207:e9ff:fe9b]:8000",
"fe80::207:e9ff:fe9b", 8000),
("www.python.org:80", "www.python.org", 80),
("www.python.org", "www.python.org", 80),
("[fe80::207:e9ff:fe9b]", "fe80::207:e9ff:fe9b", 80)):
c = client.HTTPConnection(hp)
self.assertEqual(h, c.host)
self.assertEqual(p, c.port)
def test_response_headers(self):
# test response with multiple message headers with the same field name.
text = ('HTTP/1.1 200 OK\r\n'
'Set-Cookie: Customer="WILE_E_COYOTE"; '
'Version="1"; Path="/acme"\r\n'
'Set-Cookie: Part_Number="Rocket_Launcher_0001"; Version="1";'
' Path="/acme"\r\n'
'\r\n'
'No body\r\n')
hdr = ('Customer="WILE_E_COYOTE"; Version="1"; Path="/acme"'
', '
'Part_Number="Rocket_Launcher_0001"; Version="1"; Path="/acme"')
s = FakeSocket(text)
r = client.HTTPResponse(s)
r.begin()
cookies = r.getheader("Set-Cookie")
self.assertEqual(cookies, hdr)
def test_read_head(self):
# Test that the library doesn't attempt to read any data
# from a HEAD request. (Tickles SF bug #622042.)
sock = FakeSocket(
'HTTP/1.1 200 OK\r\n'
'Content-Length: 14432\r\n'
'\r\n',
NoEOFStringIO)
resp = client.HTTPResponse(sock, method="HEAD")
resp.begin()
if resp.read():
self.fail("Did not expect response from HEAD request")
def test_send_file(self):
expected = (b'GET /foo HTTP/1.1\r\nHost: example.com\r\n'
b'Accept-Encoding: identity\r\nContent-Length:')
body = open(__file__, 'rb')
conn = client.HTTPConnection('example.com')
sock = FakeSocket(body)
conn.sock = sock
conn.request('GET', '/foo', body)
self.assertTrue(sock.data.startswith(expected), '%r != %r' %
(sock.data[:len(expected)], expected))
def test_send(self):
expected = b'this is a test this is only a test'
conn = client.HTTPConnection('example.com')
sock = FakeSocket(None)
conn.sock = sock
conn.send(expected)
self.assertEquals(expected, sock.data)
sock.data = b''
conn.send(array.array('b', expected))
self.assertEquals(expected, sock.data)
sock.data = b''
conn.send(io.BytesIO(expected))
self.assertEquals(expected, sock.data)
def test_chunked(self):
chunked_start = (
'HTTP/1.1 200 OK\r\n'
'Transfer-Encoding: chunked\r\n\r\n'
'a\r\n'
'hello worl\r\n'
'1\r\n'
'd\r\n'
)
sock = FakeSocket(chunked_start + '0\r\n')
resp = client.HTTPResponse(sock, method="GET")
resp.begin()
self.assertEquals(resp.read(), b'hello world')
resp.close()
for x in ('', 'foo\r\n'):
sock = FakeSocket(chunked_start + x)
resp = client.HTTPResponse(sock, method="GET")
resp.begin()
try:
resp.read()
except client.IncompleteRead as i:
self.assertEquals(i.partial, b'hello world')
self.assertEqual(repr(i),'IncompleteRead(11 bytes read)')
self.assertEqual(str(i),'IncompleteRead(11 bytes read)')
else:
self.fail('IncompleteRead expected')
finally:
resp.close()
def test_negative_content_length(self):
sock = FakeSocket(
'HTTP/1.1 200 OK\r\nContent-Length: -1\r\n\r\nHello\r\n')
resp = client.HTTPResponse(sock, method="GET")
resp.begin()
self.assertEquals(resp.read(), b'Hello\r\n')
resp.close()
def test_incomplete_read(self):
sock = FakeSocket('HTTP/1.1 200 OK\r\nContent-Length: 10\r\n\r\nHello\r\n')
resp = client.HTTPResponse(sock, method="GET")
resp.begin()
try:
resp.read()
except client.IncompleteRead as i:
self.assertEquals(i.partial, b'Hello\r\n')
self.assertEqual(repr(i),
"IncompleteRead(7 bytes read, 3 more expected)")
self.assertEqual(str(i),
"IncompleteRead(7 bytes read, 3 more expected)")
else:
self.fail('IncompleteRead expected')
finally:
resp.close()
def test_epipe(self):
sock = EPipeSocket(
"HTTP/1.0 401 Authorization Required\r\n"
"Content-type: text/html\r\n"
"WWW-Authenticate: Basic realm=\"example\"\r\n",
b"Content-Length")
conn = client.HTTPConnection("example.com")
conn.sock = sock
self.assertRaises(socket.error,
lambda: conn.request("PUT", "/url", "body"))
resp = conn.getresponse()
self.assertEqual(401, resp.status)
self.assertEqual("Basic realm=\"example\"",
resp.getheader("www-authenticate"))
class OfflineTest(TestCase):
def test_responses(self):
self.assertEquals(client.responses[client.NOT_FOUND], "Not Found")
class TimeoutTest(TestCase):
PORT = None
def setUp(self):
self.serv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
TimeoutTest.PORT = support.bind_port(self.serv)
self.serv.listen(5)
def tearDown(self):
self.serv.close()
self.serv = None
def testTimeoutAttribute(self):
# This will prove that the timeout gets through HTTPConnection
# and into the socket.
# default -- use global socket timeout
self.assertTrue(socket.getdefaulttimeout() is None)
socket.setdefaulttimeout(30)
try:
httpConn = client.HTTPConnection(HOST, TimeoutTest.PORT)
httpConn.connect()
finally:
socket.setdefaulttimeout(None)
self.assertEqual(httpConn.sock.gettimeout(), 30)
httpConn.close()
# no timeout -- do not use global socket default
self.assertTrue(socket.getdefaulttimeout() is None)
socket.setdefaulttimeout(30)
try:
httpConn = client.HTTPConnection(HOST, TimeoutTest.PORT,
timeout=None)
httpConn.connect()
finally:
socket.setdefaulttimeout(None)
self.assertEqual(httpConn.sock.gettimeout(), None)
httpConn.close()
# a value
httpConn = client.HTTPConnection(HOST, TimeoutTest.PORT, timeout=30)
httpConn.connect()
self.assertEqual(httpConn.sock.gettimeout(), 30)
httpConn.close()
class HTTPSTimeoutTest(TestCase):
# XXX Here should be tests for HTTPS, there isn't any right now!
def test_attributes(self):
# simple test to check it's storing it
if hasattr(client, 'HTTPSConnection'):
h = client.HTTPSConnection(HOST, TimeoutTest.PORT, timeout=30)
self.assertEqual(h.timeout, 30)
class RequestBodyTest(TestCase):
"""Test cases where a request includes a message body."""
def setUp(self):
self.conn = client.HTTPConnection('example.com')
self.conn.sock = self.sock = FakeSocket("")
self.conn.sock = self.sock
def get_headers_and_fp(self):
f = io.BytesIO(self.sock.data)
f.readline() # read the request line
message = client.parse_headers(f)
return message, f
def test_manual_content_length(self):
# Set an incorrect content-length so that we can verify that
# it will not be over-ridden by the library.
self.conn.request("PUT", "/url", "body",
{"Content-Length": "42"})
message, f = self.get_headers_and_fp()
self.assertEqual("42", message.get("content-length"))
self.assertEqual(4, len(f.read()))
def test_ascii_body(self):
self.conn.request("PUT", "/url", "body")
message, f = self.get_headers_and_fp()
self.assertEqual("text/plain", message.get_content_type())
self.assertEqual(None, message.get_charset())
self.assertEqual("4", message.get("content-length"))
self.assertEqual(b'body', f.read())
def test_latin1_body(self):
self.conn.request("PUT", "/url", "body\xc1")
message, f = self.get_headers_and_fp()
self.assertEqual("text/plain", message.get_content_type())
self.assertEqual(None, message.get_charset())
self.assertEqual("5", message.get("content-length"))
self.assertEqual(b'body\xc1', f.read())
def test_bytes_body(self):
self.conn.request("PUT", "/url", b"body\xc1")
message, f = self.get_headers_and_fp()
self.assertEqual("text/plain", message.get_content_type())
self.assertEqual(None, message.get_charset())
self.assertEqual("5", message.get("content-length"))
self.assertEqual(b'body\xc1', f.read())
def test_file_body(self):
f = open(support.TESTFN, "w")
f.write("body")
f.close()
f = open(support.TESTFN)
self.conn.request("PUT", "/url", f)
message, f = self.get_headers_and_fp()
self.assertEqual("text/plain", message.get_content_type())
self.assertEqual(None, message.get_charset())
self.assertEqual("4", message.get("content-length"))
self.assertEqual(b'body', f.read())
def test_binary_file_body(self):
f = open(support.TESTFN, "wb")
f.write(b"body\xc1")
f.close()
f = open(support.TESTFN, "rb")
self.conn.request("PUT", "/url", f)
message, f = self.get_headers_and_fp()
self.assertEqual("text/plain", message.get_content_type())
self.assertEqual(None, message.get_charset())
self.assertEqual("5", message.get("content-length"))
self.assertEqual(b'body\xc1', f.read())
def test_main(verbose=None):
support.run_unittest(HeaderTests, OfflineTest, BasicTest, TimeoutTest,
HTTPSTimeoutTest, RequestBodyTest)
if __name__ == '__main__':
test_main()