Swob bugfixes; for ? in names specifically

It was discovered that uploading items with ? in their names (encoded
with %3F of course) made Swob fail in that it trimmed off everything
after the ? as if it were a query string.

Change-Id: Ie686db9a2177aafad2e77c307ffc3f446646fbb5

swift/common/swob.py

@@ -703,7 +703,7 @@ def blank(cls, path, environ=None, headers=None, body=None):
             'REQUEST_METHOD': 'GET',
             'SCRIPT_NAME': '',
             'QUERY_STRING': query_string,
-            'PATH_INFO': path_info,
+            'PATH_INFO': urllib2.unquote(path_info),
             'SERVER_NAME': 'localhost',
             'SERVER_PORT': '80',
             'HTTP_HOST': 'localhost:80',
@@ -749,7 +749,7 @@ def path_qs(self):
     def path(self):
         "Provides the full path of the request, excluding the QUERY_STRING"
         return urllib2.quote(self.environ.get('SCRIPT_NAME', '') +
-                             self.environ['PATH_INFO'].split('?')[0])
+                             self.environ['PATH_INFO'])
 
     def path_info_pop(self):
         """

test/unit/common/test_swob.py

@@ -290,6 +290,13 @@ def test_path(self):
             '/', environ={'SCRIPT_NAME': '/hi', 'PATH_INFO': '/there'})
         self.assertEquals(req.path, '/hi/there')
 
+    def test_path_question_mark(self):
+        req = swift.common.swob.Request.blank('/test%3Ffile')
+        # This tests that .blank unquotes the path when setting PATH_INFO
+        self.assertEquals(req.environ['PATH_INFO'], '/test?file')
+        # This tests that .path requotes it
+        self.assertEquals(req.path, '/test%3Ffile')
+
     def test_path_info_pop(self):
         req = swift.common.swob.Request.blank('/hi/there')
         self.assertEquals(req.path_info_pop(), 'hi')