1 files changed, 102 insertions, 0 deletions
diff --git a/dom/push/test/xpcshell/test_register_rollback.js b/dom/push/test/xpcshell/test_register_rollback.js
new file mode 100644
index 0000000000..9a0233aca8
--- /dev/null
+++ b/dom/push/test/xpcshell/test_register_rollback.js
@@ -0,0 +1,102 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const userAgentID = "b2546987-4f63-49b1-99f7-739cd3c40e44";
+const channelID = "35a820f7-d7dd-43b3-af21-d65352212ae3";
+
+function run_test() {
+  do_get_profile();
+  setPrefs({
+    userAgentID,
+    requestTimeout: 1000,
+    retryBaseInterval: 150,
+  });
+  run_next_test();
+}
+
+add_task(async function test_register_rollback() {
+  let db = PushServiceWebSocket.newPushDB();
+  registerCleanupFunction(() => {
+    return db.drop().then(_ => db.close());
+  });
+
+  let handshakes = 0;
+  let registers = 0;
+  let unregisterDone;
+  let unregisterPromise = new Promise(resolve => (unregisterDone = resolve));
+  PushServiceWebSocket._generateID = () => channelID;
+  PushService.init({
+    serverURI: "wss://push.example.org/",
+    db: makeStub(db, {
+      put(prev, record) {
+        return Promise.reject("universe has imploded");
+      },
+    }),
+    makeWebSocket(uri) {
+      return new MockWebSocket(uri, {
+        onHello(request) {
+          handshakes++;
+          if (registers > 0) {
+            equal(request.uaid, userAgentID, "Handshake: wrong device ID");
+          } else {
+            ok(
+              !request.uaid,
+              "Should not send UAID in handshake without local subscriptions"
+            );
+          }
+          this.serverSendMsg(
+            JSON.stringify({
+              messageType: "hello",
+              status: 200,
+              uaid: userAgentID,
+            })
+          );
+        },
+        onRegister(request) {
+          equal(request.channelID, channelID, "Register: wrong channel ID");
+          registers++;
+          this.serverSendMsg(
+            JSON.stringify({
+              messageType: "register",
+              status: 200,
+              uaid: userAgentID,
+              channelID,
+              pushEndpoint: "https://example.com/update/rollback",
+            })
+          );
+        },
+        onUnregister(request) {
+          equal(request.channelID, channelID, "Unregister: wrong channel ID");
+          equal(request.code, 200, "Expected manual unregister reason");
+          this.serverSendMsg(
+            JSON.stringify({
+              messageType: "unregister",
+              status: 200,
+              channelID,
+            })
+          );
+          unregisterDone();
+        },
+      });
+    },
+  });
+
+  // Should return a rejected promise if storage fails.
+  await Assert.rejects(
+    PushService.register({
+      scope: "https://example.com/storage-error",
+      originAttributes: ChromeUtils.originAttributesToSuffix({
+        inIsolatedMozBrowser: false,
+      }),
+    }),
+    /universe has imploded/,
+    "Expected error for unregister database failure"
+  );
+
+  // Should send an out-of-band unregister request.
+  await unregisterPromise;
+  equal(handshakes, 1, "Wrong handshake count");
+  equal(registers, 1, "Wrong register count");
+});