Use pytest-localserver for http testing.

That means switching from nose to pytest.

pytest-localserver is a pytest plugin providing an http server
stub. The plugin doesn't work with Python3 however, and has to
be blacklisted in tox.

README

@@ -35,7 +35,7 @@ Currently tested under Python 2.7, Python 2.6, Python 3.2, and PyPy (1.7).
 
 To test in the current Python implementation:
 
-    nosetests --detailed-errors
+    py.test
 
 To test with tox:
 

test_rfc6266.py

 # vim: set fileencoding=utf-8 sw=4 ts=4 et :
 
-from rfc6266 import parse_headers, build_header
+from rfc6266 import (
+    parse_headers, parse_httplib2_response, parse_requests_response,
+    build_header)
+import pytest
 
 
 def test_parsing():
@@ -20,6 +23,25 @@ def test_parsing():
     assert cd.filename_unsafe == u'€ rates'
 
 
+@pytest.mark.skipif("sys.version_info >= (3,0)")
+def test_httplib2(httpserver):
+    httplib2 = pytest.importorskip('httplib2')
+    http = httplib2.Http()
+    httpserver.serve_content('eep', headers={
+        'Content-Disposition': 'attachment; filename="a b="'})
+    resp, content = http.request(httpserver.url)
+    assert parse_httplib2_response(resp).filename_unsafe == 'a b='
+
+
+@pytest.mark.skipif("sys.version_info >= (3,0)")
+def test_requests(httpserver):
+    requests = pytest.importorskip('requests')
+    httpserver.serve_content('eep', headers={
+        'Content-Disposition': 'attachment; filename="a b="'})
+    resp = requests.get(httpserver.url)
+    assert parse_requests_response(resp).filename_unsafe == 'a b='
+
+
 def test_location_fallback():
     assert parse_headers(
         None, location='https://foo/bar%c3%a9.py'

tox.ini

@@ -2,9 +2,20 @@
 envlist=py27,py26,py32,pypy
 
 [testenv]
-deps=nose
-# changedir is a hack to prevent nose from finding the non-2to3 source
-# now nose will use import, which has the converted modules in its path
+deps=
+    pytest
+    pytest-localserver
+    httplib2
+    requests
+
+commands=py.test --pyargs test_rfc6266
+
+[testenv:py32]
+# pytest-localserver isn't py3k-compatible;
+# httplib2 and requests can't be tested
+deps=
+    pytest
+# Changedir is a hack to prevent test discovery from finding the non-2to3
+# source. We want tests to be import-based only.
 changedir=.tox
-commands=nosetests --detailed-errors test_rfc6266