| <html> |
| <body> |
| <p>Test EventSource reconnect after end of event stream. Should print a series of PASS messages followed by DONE.</p> |
| <div id="result"></div> |
| <script> |
| function log(msg) { |
| document.getElementById("result").innerHTML += msg + "<br>"; |
| } |
| |
| var stateNames = ["CONNECTING", "OPEN", "CLOSED"]; |
| for (var i in stateNames) |
| eval("var " + stateNames[i] + " = " + i); |
| var retryTimeout; |
| |
| function checkReadyState(es, desiredState) { |
| var currState = es.readyState; |
| if (currState == desiredState) |
| log("PASS: state is " + stateNames[desiredState]); |
| else |
| log("FAIL: bad state (" + stateNames[currState] + ", should be " + stateNames[desiredState] + ")"); |
| } |
| |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| var errCount = 0; |
| var es = new EventSource("resources/reconnect.py"); |
| |
| checkReadyState(es, CONNECTING); |
| |
| es.onopen = function (evt) { |
| checkReadyState(es, OPEN); |
| }; |
| |
| es.onmessage = function (evt) { |
| if (!errCount) { |
| if (evt.lastEventId == "77") |
| log("PASS: got lastEventId \"77\""); |
| else |
| log("FAIL: unexpected lastEventId \"" + evt.lastEventId + "\""); |
| } else { |
| if (evt.data != "77") |
| log("FAIL: Last-Event-ID header was incorrect/missing"); |
| else if (evt.lastEventId != "77") |
| log("FAIL: the lastEventId property was incorrect"); |
| else |
| log("PASS: Last-Event-ID header and the lastEventId property were correct"); |
| } |
| }; |
| |
| es.onerror = function () { |
| errCount++; |
| if (errCount < 2) { |
| checkReadyState(es, CONNECTING); |
| retryTimeout = setTimeout(end, 1000); |
| return; |
| } |
| clearTimeout(retryTimeout); |
| retryTimeout = null; |
| end(); |
| }; |
| |
| function end() { |
| es.close(); |
| if (retryTimeout) |
| log("FAIL: did not reconnect in time"); |
| else { |
| checkReadyState(es, CLOSED); |
| log("DONE"); |
| } |
| |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| } |
| </script> |
| </body> |
| </html> |
