1 files changed, 73 insertions, 0 deletions
diff --git a/dom/push/test/xpcshell/test_retry_ws.js b/dom/push/test/xpcshell/test_retry_ws.js
new file mode 100644
index 0000000000..19df72acd3
--- /dev/null
+++ b/dom/push/test/xpcshell/test_retry_ws.js
@@ -0,0 +1,73 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const userAgentID = "05f7b940-51b6-4b6f-8032-b83ebb577ded";
+
+function run_test() {
+  do_get_profile();
+  setPrefs({
+    userAgentID,
+    pingInterval: 2000,
+    retryBaseInterval: 25,
+  });
+  run_next_test();
+}
+
+add_task(async function test_ws_retry() {
+  let db = PushServiceWebSocket.newPushDB();
+  registerCleanupFunction(() => {
+    return db.drop().then(_ => db.close());
+  });
+
+  await db.put({
+    channelID: "61770ba9-2d57-4134-b949-d40404630d5b",
+    pushEndpoint: "https://example.org/push/1",
+    scope: "https://example.net/push/1",
+    version: 1,
+    originAttributes: "",
+    quota: Infinity,
+  });
+
+  // Use a mock timer to avoid waiting for the backoff interval.
+  let reconnects = 0;
+  PushServiceWebSocket._backoffTimer = {
+    init(observer, delay, type) {
+      reconnects++;
+      ok(
+        delay >= 5 && delay <= 2000,
+        `Backoff delay ${delay} out of range for attempt ${reconnects}`
+      );
+      observer.observe(this, "timer-callback", null);
+    },
+
+    cancel() {},
+  };
+
+  let handshakeDone;
+  let handshakePromise = new Promise(resolve => (handshakeDone = resolve));
+  PushService.init({
+    serverURI: "wss://push.example.org/",
+    makeWebSocket(uri) {
+      return new MockWebSocket(uri, {
+        onHello(request) {
+          if (reconnects == 10) {
+            this.serverSendMsg(
+              JSON.stringify({
+                messageType: "hello",
+                status: 200,
+                uaid: userAgentID,
+              })
+            );
+            handshakeDone();
+            return;
+          }
+          this.serverInterrupt();
+        },
+      });
+    },
+  });
+
+  await handshakePromise;
+});