Add tests to ensure enabling proxy doesnt hit host header

Author: fredthomsen

test/test_http11.py

@@ -116,6 +116,25 @@ def test_basic_request(self):
 
         assert received == expected
 
+    def test_proxy_request(self):
+        c = HTTP11Connection('httpbin.org', proxy_host='localhost')
+        c._sock = sock = DummySocket()
+
+        c.request('GET', '/get', headers={'User-Agent': 'hyper'})
+
+        expected = (
+            b"GET /get HTTP/1.1\r\n"
+            b"User-Agent: hyper\r\n"
+            b"connection: Upgrade, HTTP2-Settings\r\n"
+            b"upgrade: h2c\r\n"
+            b"HTTP2-Settings: AAQAAP//\r\n"
+            b"host: httpbin.org\r\n"
+            b"\r\n"
+        )
+        received = b''.join(sock.queue)
+
+        assert received == expected
+
     def test_request_with_bytestring_body(self):
         c = HTTP11Connection('httpbin.org')
         c._sock = sock = DummySocket()

test/test_hyper.py

@@ -483,6 +483,19 @@ def data_cb(frame, *args):
         assert frames[0].type == WindowUpdateFrame.type
         assert frames[0].window_increment == 5535
 
+    def test_that_using_proxy_keeps_http_headers_intact(self):
+        sock = DummySocket()
+        c = HTTP20Connection('www.google.com', secure=False, proxy_host='localhost')
+        c._sock = sock
+        c.request('GET', '/')
+        s = c.recent_stream
+
+        assert s.headers == [
+            (':method', 'GET'),
+            (':scheme', 'http'),
+            (':authority', 'www.google.com'),
+            (':path', '/'),
+        ]
 
 class TestServerPush(object):
     def setup_method(self, method):