Update web-platform-tests to revision 8a2ceb5f18911302b7a5c1cd2791f4ab50ad4326

tests/wpt/web-platform-tests/XMLHttpRequest/resources/access-control-basic-preflight-cache.py

@@ -0,0 +1,47 @@
+def main(request, response):
+    def fail(message):
+        response.content = "FAIL " + request.method + ": " + str(message)
+        response.status = 400
+
+    def getState(token):
+        server_state = request.server.stash.take(token)
+        if not server_state:
+            return "Uninitialized"
+        return server_state
+
+    def setState(state, token):
+        request.server.stash.put(token, state)
+
+    response.headers.set("Access-Control-Allow-Origin", request.headers.get("origin"))
+    response.headers.set("Access-Control-Allow-Credentials", "true")
+    token = request.GET.first("token", None)
+    state = getState(token)
+
+    if state == "Uninitialized":
+        if request.method == "OPTIONS":
+            response.headers.set("Access-Control-Allow-Methods", "PUT")
+            response.headers.set("Access-Control-Max-Age", 10)
+            setState("OPTIONSSent", token)
+        else:
+            fail(state)
+    elif state == "OPTIONSSent":
+        if request.method == "PUT":
+            response.content = "PASS: First PUT request."
+            setState("FirstPUTSent", token)
+        else:
+            fail(state)
+    elif state == "FirstPUTSent":
+        if request.method == "PUT":
+            response.content = "PASS: Second PUT request. Preflight worked."
+        elif request.method == "OPTIONS":
+            response.headers.set("Access-Control-Allow-Methods", "PUT")
+            setState("FAILSecondOPTIONSSent", token)
+        else:
+            fail(state)
+    elif state == "FAILSecondOPTIONSSent":
+        if request.method == "PUT":
+            fail("Second OPTIONS request was sent. Preflight failed.")
+        else:
+            fail(state)
+    else:
+        fail(state)