1 files changed, 62 insertions, 0 deletions
diff --git a/toolkit/mozapps/extensions/test/browser/browser_verify_l10n_strings.js b/toolkit/mozapps/extensions/test/browser/browser_verify_l10n_strings.js
new file mode 100644
index 0000000000..9442adf310
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+++ b/toolkit/mozapps/extensions/test/browser/browser_verify_l10n_strings.js
@@ -0,0 +1,62 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+ChromeUtils.defineESModuleGetters(this, {
+  BuiltInThemes: "resource:///modules/BuiltInThemes.sys.mjs",
+});
+
+// Maps add-on descriptors to updated Fluent IDs. Keep it in sync
+// with the list in XPIDatabase.jsm.
+const updatedAddonFluentIds = new Map([
+  ["extension-default-theme-name", "extension-default-theme-name-auto"],
+]);
+
+add_task(async function test_ensure_bundled_addons_are_localized() {
+  let l10nReg = L10nRegistry.getInstance();
+  let bundles = l10nReg.generateBundlesSync(
+    ["en-US"],
+    ["browser/appExtensionFields.ftl"]
+  );
+  let addons = await AddonManager.getAllAddons();
+  let standardBuiltInThemes = addons.filter(
+    addon =>
+      addon.isBuiltin &&
+      addon.type === "theme" &&
+      !addon.id.endsWith("colorway@mozilla.org")
+  );
+  let bundle = bundles.next().value;
+
+  ok(!!standardBuiltInThemes.length, "Standard built-in themes should exist");
+
+  for (let standardTheme of standardBuiltInThemes) {
+    let l10nId = standardTheme.id.replace("@mozilla.org", "");
+    for (let prop of ["name", "description"]) {
+      let defaultFluentId = `extension-${l10nId}-${prop}`;
+      let fluentId =
+        updatedAddonFluentIds.get(defaultFluentId) || defaultFluentId;
+      ok(
+        bundle.hasMessage(fluentId),
+        `l10n id for ${standardTheme.id} \"${prop}\" attribute should exist`
+      );
+    }
+  }
+
+  let colorwayThemes = Array.from(BuiltInThemes.builtInThemeMap.keys()).filter(
+    id => id.endsWith("colorway@mozilla.org")
+  );
+  ok(!!colorwayThemes.length, "Colorway themes should exist");
+  for (let id of colorwayThemes) {
+    let l10nId = id.replace("@mozilla.org", "");
+    let [, variantName] = l10nId.split("-", 2);
+    if (variantName != "colorway") {
+      let defaultFluentId = `extension-colorways-${variantName}-name`;
+      let fluentId =
+        updatedAddonFluentIds.get(defaultFluentId) || defaultFluentId;
+      ok(
+        bundle.hasMessage(fluentId),
+        `l10n id for ${id} \"name\" attribute should exist`
+      );
+    }
+  }
+});