Multiple instances of same header

tests/bugfixes/nosetests/test_399_issuing_multiple_instances_of_same_header.py

@@ -0,0 +1,52 @@
+import json
+import requests
+import httpretty
+from httpretty.errors import UnmockedError
+
+from unittest import skip
+from sure import expect
+
+
+@httpretty.activate(allow_net_connect=True)
+def test_multiple_instances_of_same_header():
+    "#399 - Issuing multiple instances of same header"
+
+    def callback(request, url, headers):
+        headers["Content-Type"] = "application/json"
+        headers["Date"] = "Mon, 31 May 2021 17:47:51 GMT"
+        headers["Set-Cookie"] = "foo;bar"
+
+        return 200, headers, json.dumps(dict(request.headers))
+
+    httpretty.register_uri(httpretty.GET, "https://httpbin.org/cookies", body=callback)
+
+    jar = requests.cookies.RequestsCookieJar()
+    jar.set("first_cookie", "first", domain="httpbin.org", path="/cookies")
+    jar.set("second_cookie", "second", domain="httpbin.org", path="/extra")
+    jar.set("third_cookie", "third", domain="httpbin.org", path="/cookies")
+    jar.set("fourth_cookie", "fourth", domain="httpbin.org", path="/")
+
+    url = "https://httpbin.org/cookies"
+    response = requests.get(url, cookies=jar)
+
+    response.json().should.equal(
+        {
+            "Accept": "*/*",
+            "Accept-Encoding": "gzip, deflate",
+            "Connection": "keep-alive",
+            "Cookie": "first_cookie=first; third_cookie=third; fourth_cookie=fourth",
+            "Host": "httpbin.org",
+            "User-Agent": "python-requests/2.25.1",
+        }
+    )
+    dict(response.headers).should.equal(
+        {
+            "connection": "close",
+            "content-length": "218",
+            "set-cookie": "foo;bar",
+            "content-type": "application/json",
+            "server": "Python/HTTPretty",
+            "date": "Mon, 31 May 2021 17:47:51 GMT",
+            "status": "200",
+        }
+    )