Reimplement test retrievals on pathoc and ditch requests

Requests uses urllib3, which has a connection pool that's not easy to disable
(https://github.com/shazow/urllib3/issues/383).

test/pathod/test_app.py

@@ -11,11 +11,11 @@ class TestApp(tutils.DaemonTests):
 
     def test_about(self):
         r = self.getpath("/about")
-        assert r.ok
+        assert r.status_code == 200
 
     def test_download(self):
         r = self.getpath("/download")
-        assert r.ok
+        assert r.status_code == 200
 
     def test_docs(self):
         assert self.getpath("/docs/pathod").status_code == 200

test/pathod/test_pathod.py

@@ -6,10 +6,6 @@ from netlib.exceptions import HttpException, TlsException
 import tutils
 
 
-import requests.packages.urllib3
-requests.packages.urllib3.disable_warnings()
-
-
 class TestPathod(object):
 
     def test_logging(self):
@@ -150,8 +146,7 @@ class CommonTests(tutils.DaemonTests):
         assert len(self.d.log()) == 0
 
     def test_disconnect(self):
-        rsp = self.get("202:b@100k:d200")
-        assert len(rsp.content) < 200
+        tutils.raises("unexpected eof", self.get, "202:b@100k:d200")
 
     def test_parserr(self):
         rsp = self.get("400:msg,b:")
@@ -163,7 +158,7 @@ class CommonTests(tutils.DaemonTests):
         assert rsp.content.strip() == "testfile"
 
     def test_anchor(self):
-        rsp = self.getpath("anchor/foo")
+        rsp = self.getpath("/anchor/foo")
         assert rsp.status_code == 202
 
     def test_invalid_first_line(self):

test/pathod/tutils.py

@@ -3,6 +3,7 @@ import re
 import shutil
 import requests
 from six.moves import cStringIO as StringIO
+import urllib
 
 from netlib import tcp
 from netlib import utils
@@ -66,7 +67,7 @@ class DaemonTests(object):
         if not (self.noweb or self.noapi):
             self.d.clear_log()
 
-    def getpath(self, path, params=None):
+    def _getpath(self, path, params=None):
         scheme = "https" if self.ssl else "http"
         resp = requests.get(
             "%s://localhost:%s/%s" % (
@@ -79,8 +80,28 @@ class DaemonTests(object):
         )
         return resp
 
+    def getpath(self, path, params=None):
+        logfp = StringIO()
+        c = pathoc.Pathoc(
+            ("localhost", self.d.port),
+            ssl=self.ssl,
+            fp=logfp,
+        )
+        c.connect()
+        if params:
+            path = path + "?" + urllib.urlencode(params)
+        resp = c.request("get:%s" % path)
+        return resp
+
     def get(self, spec):
-        resp = requests.get(self.d.p(spec), verify=False)
+        logfp = StringIO()
+        c = pathoc.Pathoc(
+            ("localhost", self.d.port),
+            ssl=self.ssl,
+            fp=logfp,
+        )
+        c.connect()
+        resp = c.request("get:/p/%s" % urllib.quote(spec).encode("string_escape"))
         return resp
 
     def pathoc(