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//usr/lib/python2.4/test/test_httplib.py
import httplib import StringIO import sys from unittest import TestCase from test import test_support class FakeSocket: def __init__(self, text, fileclass=StringIO.StringIO): self.text = text self.fileclass = fileclass def sendall(self, data): self.data = data def makefile(self, mode, bufsize=None): if mode != 'r' and mode != 'rb': raise httplib.UnimplementedFileMode() return self.fileclass(self.text) class NoEOFStringIO(StringIO.StringIO): """Like StringIO, but raises AssertionError on EOF. This is used below to test that httplib doesn't try to read more from the underlying file than it should. """ def read(self, n=-1): data = StringIO.StringIO.read(self, n) if data == '': raise AssertionError('caller tried to read past EOF') return data def readline(self, length=None): data = StringIO.StringIO.readline(self, length) if data == '': 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. import httplib class HeaderCountingBuffer(list): def __init__(self): self.count = {} def append(self, item): kv = item.split(':') if len(kv) > 1: # item is a 'Key: Value' header string lcKey = kv[0].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 = httplib.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) # Collect output to a buffer so that we don't have to cope with line-ending # issues across platforms. Specifically, the headers will have \r\n pairs # and some platforms will strip them from the output file. def test(): buf = StringIO.StringIO() _stdout = sys.stdout try: sys.stdout = buf _test() finally: sys.stdout = _stdout # print individual lines with endings stripped s = buf.getvalue() for line in s.split("\n"): print line.strip() def _test(): # Test HTTP status lines body = "HTTP/1.1 200 Ok\r\n\r\nText" sock = FakeSocket(body) resp = httplib.HTTPResponse(sock, 1) resp.begin() print resp.read() resp.close() body = "HTTP/1.1 400.100 Not Ok\r\n\r\nText" sock = FakeSocket(body) resp = httplib.HTTPResponse(sock, 1) try: resp.begin() except httplib.BadStatusLine: print "BadStatusLine raised as expected" else: print "Expect BadStatusLine" # Check invalid host_port for hp in ("www.python.org:abc", "www.python.org:"): try: h = httplib.HTTP(hp) except httplib.InvalidURL: print "InvalidURL raised as expected" else: print "Expect InvalidURL" 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)): try: http = httplib.HTTP(hp) except httplib.InvalidURL: print "InvalidURL raised erroneously" c = http._conn if h != c.host: raise AssertionError, ("Host incorrectly parsed", h, c.host) if p != c.port: raise AssertionError, ("Port incorrectly parsed", p, c.host) # 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 = httplib.HTTPResponse(s, 1) r.begin() cookies = r.getheader("Set-Cookie") if cookies != hdr: raise AssertionError, "multiple headers not combined properly" # 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 = httplib.HTTPResponse(sock, 1, method="HEAD") resp.begin() if resp.read() != "": raise AssertionError, "Did not expect response from HEAD request" resp.close() def test_main(verbose=None): tests = [HeaderTests,] test_support.run_unittest(*tests) test()