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