1 files changed, 115 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_addon_reload.js b/devtools/server/tests/xpcshell/test_addon_reload.js
new file mode 100644
index 0000000000..9be0e2df37
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_addon_reload.js
@@ -0,0 +1,115 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+/* eslint-disable no-shadow */
+
+"use strict";
+
+const { AddonManager } = require("resource://gre/modules/AddonManager.jsm");
+
+function promiseAddonEvent(event) {
+  return new Promise(resolve => {
+    const listener = {
+      [event]: function(...args) {
+        AddonManager.removeAddonListener(listener);
+        resolve(args);
+      },
+    };
+
+    AddonManager.addAddonListener(listener);
+  });
+}
+
+function promiseWebExtensionStartup() {
+  const { Management } = ChromeUtils.import(
+    "resource://gre/modules/Extension.jsm"
+  );
+
+  return new Promise(resolve => {
+    const listener = (evt, extension) => {
+      Management.off("ready", listener);
+      resolve(extension);
+    };
+
+    Management.on("ready", listener);
+  });
+}
+
+async function reloadAddon(addonFront) {
+  // The add-on will be re-installed after a successful reload.
+  const onInstalled = promiseAddonEvent("onInstalled");
+  await addonFront.reload();
+  await onInstalled;
+}
+
+function getSupportFile(path) {
+  const allowMissing = false;
+  return do_get_file(path, allowMissing);
+}
+
+add_task(async function testReloadExitedAddon() {
+  await startupAddonsManager();
+
+  DevToolsServer.init();
+  DevToolsServer.registerAllActors();
+
+  const client = new DevToolsClient(DevToolsServer.connectPipe());
+  await client.connect();
+
+  // Install our main add-on to trigger reloads on.
+  const addonFile = getSupportFile("addons/web-extension");
+  const [installedAddon] = await Promise.all([
+    AddonManager.installTemporaryAddon(addonFile),
+    promiseWebExtensionStartup(),
+  ]);
+
+  // Install a decoy add-on.
+  const addonFile2 = getSupportFile("addons/web-extension2");
+  const [installedAddon2] = await Promise.all([
+    AddonManager.installTemporaryAddon(addonFile2),
+    promiseWebExtensionStartup(),
+  ]);
+
+  const addonFront = await client.mainRoot.getAddon({ id: installedAddon.id });
+
+  await Promise.all([reloadAddon(addonFront), promiseWebExtensionStartup()]);
+
+  // Uninstall the decoy add-on, which should cause its actor to exit.
+  const onUninstalled = promiseAddonEvent("onUninstalled");
+  installedAddon2.uninstall();
+  await onUninstalled;
+
+  // Try to re-list all add-ons after a reload.
+  // This was throwing an exception because of the exited actor.
+  const newAddonFront = await client.mainRoot.getAddon({
+    id: installedAddon.id,
+  });
+  equal(newAddonFront.id, addonFront.id);
+
+  // The fronts should be the same after the reload
+  equal(newAddonFront, addonFront);
+
+  const onAddonListChanged = client.mainRoot.once("addonListChanged");
+
+  // Install an upgrade version of the first add-on.
+  const addonUpgradeFile = getSupportFile("addons/web-extension-upgrade");
+  const [upgradedAddon] = await Promise.all([
+    AddonManager.installTemporaryAddon(addonUpgradeFile),
+    promiseWebExtensionStartup(),
+  ]);
+
+  // Waiting for addonListChanged unsolicited event
+  await onAddonListChanged;
+
+  // re-list all add-ons after an upgrade.
+  const upgradedAddonFront = await client.mainRoot.getAddon({
+    id: upgradedAddon.id,
+  });
+  equal(upgradedAddonFront.id, addonFront.id);
+  // The fronts should be the same after the upgrade.
+  equal(upgradedAddonFront, addonFront);
+
+  // The addon metadata has been updated.
+  equal(upgradedAddonFront.name, "Test Addons Actor Upgrade");
+
+  await close(client);
+});