1 files changed, 61 insertions, 0 deletions
diff --git a/browser/base/content/test/webextensions/browser_permissions_dismiss.js b/browser/base/content/test/webextensions/browser_permissions_dismiss.js
new file mode 100644
index 0000000000..394ab8abe5
--- /dev/null
+++ b/browser/base/content/test/webextensions/browser_permissions_dismiss.js
@@ -0,0 +1,61 @@
+"use strict";
+
+const INSTALL_PAGE = `${BASE}/file_install_extensions.html`;
+const INSTALL_XPI = `${BASE}/browser_webext_permissions.xpi`;
+
+add_task(async function setup() {
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      ["extensions.webapi.testing", true],
+      ["extensions.install.requireBuiltInCerts", false],
+    ],
+  });
+
+  registerCleanupFunction(async () => {
+    await SpecialPowers.popPrefEnv();
+  });
+});
+
+add_task(async function test_tab_switch_dismiss() {
+  let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, INSTALL_PAGE);
+
+  let installCanceled = new Promise(resolve => {
+    let listener = {
+      onInstallCancelled() {
+        AddonManager.removeInstallListener(listener);
+        resolve();
+      },
+    };
+    AddonManager.addInstallListener(listener);
+  });
+
+  SpecialPowers.spawn(gBrowser.selectedBrowser, [INSTALL_XPI], function(url) {
+    content.wrappedJSObject.installMozAM(url);
+  });
+
+  await promisePopupNotificationShown("addon-webext-permissions");
+  let permsUL = document.getElementById("addon-webext-perm-list");
+  is(permsUL.childElementCount, 5, `Permissions list has 5 entries`);
+
+  let permsLearnMore = document.getElementById("addon-webext-perm-info");
+  ok(
+    BrowserTestUtils.is_visible(permsLearnMore),
+    "Learn more link is shown on Permission popup"
+  );
+  is(
+    permsLearnMore.href,
+    Services.urlFormatter.formatURLPref("app.support.baseURL") +
+      "extension-permissions",
+    "Learn more link has desired URL"
+  );
+
+  // Switching tabs dismisses the notification and cancels the install.
+  let switchTo = await BrowserTestUtils.openNewForegroundTab(gBrowser);
+  BrowserTestUtils.removeTab(switchTo);
+  await installCanceled;
+
+  let addon = await AddonManager.getAddonByID("permissions@test.mozilla.org");
+  is(addon, null, "Extension is not installed");
+
+  BrowserTestUtils.removeTab(tab);
+});