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gaia/apps/system/test/unit/manifest_helper_test.js

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+// Tests the manifest_helper.js from shared
+'use strict';
+/* global ManifestHelper, MockL10n */
+
+require('/shared/test/unit/mocks/mock_l10n.js');
+requireApp('system/shared/js/manifest_helper.js');
+
+suite('ManifestHelper', function() {
+  var realL10n;
+
+  suiteSetup(function() {
+    realL10n = navigator.mozL10n;
+    navigator.mozL10n = MockL10n;
+  });
+
+  suiteTeardown(function() {
+    navigator.mozL10n = realL10n;
+  });
+
+  test('All properties the same when no locales', function() {
+    var data = {
+      name: 'Built-in Keyboard',
+      description: 'Built-in Keyboard',
+      type: 'certified',
+      role: 'keyboard'
+    };
+    var helper = new ManifestHelper(data);
+    for (var prop in data) {
+      assert.equal(helper[prop], data[prop], 'Value for ' + prop + 'matches');
+    }
+  });
+});