fix tests under windows

CHANGES.txt

@@ -1,6 +1,11 @@
 Unreleased
 ----------
 
+- Fix tests under Windows.  NB: to run tests under Windows, you cannot run
+  "setup.py test" or "setup.py nosetests".  Instead you must run ``python.exe
+  -c "import nose; nose.main()"``.  If you try to run the tests using the
+  normal method, each subprocess will attempt to run the test suite again.
+
 - Give the WSGI app_iter generated when ``wsgi.file_wrapper`` is used
   (ReadOnlyFileBasedBuffer) a ``close`` method.  Do not call ``close`` on an
   instance of such a class when it's used as a WSGI app_iter, however.  This is

waitress/tests/fixtureapps/getline.py

@@ -2,13 +2,16 @@
 
 if __name__ == '__main__':
     try:
-        from urllib.request import urlopen
+        from urllib.request import urlopen, URLError
     except ImportError:
-        from urllib2 import urlopen
+        from urllib2 import urlopen, URLError
 
     url = sys.argv[1]
     headers = {'Content-Type': 'text/plain; charset=utf-8'}
-    resp = urlopen(url)
-    line = resp.readline().decode('ascii') # py3
+    try:
+        resp = urlopen(url)
+        line = resp.readline().decode('ascii') # py3
+    except URLError:
+        line = 'failed to read %s' % url
     sys.stdout.write(line)
     sys.stdout.flush()

waitress/tests/test_functional.py

@@ -38,7 +38,10 @@ def __init__(self, application, queue, **kw): # pragma: no cover
         # Coverage doesn't see this as it's ran in a separate process.
         kw['port'] = 0 # Bind to any available port.
         super(FixtureTcpWSGIServer, self).__init__(application, **kw)
-        queue.put(self.socket.getsockname())
+        host, port = self.socket.getsockname()
+        if os.name == 'nt':
+            host = '127.0.0.1'
+        queue.put((host, port))
 
 class SubprocessTests(object):