1 files changed, 130 insertions, 0 deletions
diff --git a/toolkit/components/webextensions/test/xpcshell/test_locale_data.js b/toolkit/components/webextensions/test/xpcshell/test_locale_data.js
new file mode 100644
index 000000000..c3cd44e57
--- /dev/null
+++ b/toolkit/components/webextensions/test/xpcshell/test_locale_data.js
@@ -0,0 +1,130 @@
+"use strict";
+
+Cu.import("resource://gre/modules/Extension.jsm");
+
+/* globals ExtensionData */
+
+const uuidGenerator = Cc["@mozilla.org/uuid-generator;1"].getService(Ci.nsIUUIDGenerator);
+
+function* generateAddon(data) {
+  let id = uuidGenerator.generateUUID().number;
+
+  data = Object.assign({embedded: true}, data);
+  data.manifest = Object.assign({applications: {gecko: {id}}}, data.manifest);
+
+  let xpi = Extension.generateXPI(data);
+  do_register_cleanup(() => {
+    Services.obs.notifyObservers(xpi, "flush-cache-entry", null);
+    xpi.remove(false);
+  });
+
+  let fileURI = Services.io.newFileURI(xpi);
+  let jarURI = NetUtil.newURI(`jar:${fileURI.spec}!/webextension/`);
+
+  let extension = new ExtensionData(jarURI);
+  yield extension.readManifest();
+
+  return extension;
+}
+
+add_task(function* testMissingDefaultLocale() {
+  let extension = yield generateAddon({
+    "files": {
+      "_locales/en_US/messages.json": {},
+    },
+  });
+
+  equal(extension.errors.length, 0, "No errors reported");
+
+  yield extension.initAllLocales();
+
+  equal(extension.errors.length, 1, "One error reported");
+
+  do_print(`Got error: ${extension.errors[0]}`);
+
+  ok(extension.errors[0].includes('"default_locale" property is required'),
+     "Got missing default_locale error");
+});
+
+
+add_task(function* testInvalidDefaultLocale() {
+  let extension = yield generateAddon({
+    "manifest": {
+      "default_locale": "en",
+    },
+
+    "files": {
+      "_locales/en_US/messages.json": {},
+    },
+  });
+
+  equal(extension.errors.length, 1, "One error reported");
+
+  do_print(`Got error: ${extension.errors[0]}`);
+
+  ok(extension.errors[0].includes("Loading locale file _locales/en/messages.json"),
+     "Got invalid default_locale error");
+
+  yield extension.initAllLocales();
+
+  equal(extension.errors.length, 2, "Two errors reported");
+
+  do_print(`Got error: ${extension.errors[1]}`);
+
+  ok(extension.errors[1].includes('"default_locale" property must correspond'),
+     "Got invalid default_locale error");
+});
+
+
+add_task(function* testUnexpectedDefaultLocale() {
+  let extension = yield generateAddon({
+    "manifest": {
+      "default_locale": "en_US",
+    },
+  });
+
+  equal(extension.errors.length, 1, "One error reported");
+
+  do_print(`Got error: ${extension.errors[0]}`);
+
+  ok(extension.errors[0].includes("Loading locale file _locales/en-US/messages.json"),
+     "Got invalid default_locale error");
+
+  yield extension.initAllLocales();
+
+  equal(extension.errors.length, 2, "One error reported");
+
+  do_print(`Got error: ${extension.errors[1]}`);
+
+  ok(extension.errors[1].includes('"default_locale" property must correspond'),
+     "Got unexpected default_locale error");
+});
+
+
+add_task(function* testInvalidSyntax() {
+  let extension = yield generateAddon({
+    "manifest": {
+      "default_locale": "en_US",
+    },
+
+    "files": {
+      "_locales/en_US/messages.json": '{foo: {message: "bar", description: "baz"}}',
+    },
+  });
+
+  equal(extension.errors.length, 1, "No errors reported");
+
+  do_print(`Got error: ${extension.errors[0]}`);
+
+  ok(extension.errors[0].includes("Loading locale file _locales\/en_US\/messages\.json: SyntaxError"),
+     "Got syntax error");
+
+  yield extension.initAllLocales();
+
+  equal(extension.errors.length, 2, "One error reported");
+
+  do_print(`Got error: ${extension.errors[1]}`);
+
+  ok(extension.errors[1].includes("Loading locale file _locales\/en_US\/messages\.json: SyntaxError"),
+     "Got syntax error");
+});