Add test for `SignalMenu.createTemplate` on macOS

test/app/fixtures/menu-mac-os.json

@@ -0,0 +1,159 @@
+[
+  {
+    "submenu": [
+      {
+        "label": "About Signal Desktop",
+        "click": null
+      },
+      {
+        "type": "separator"
+      },
+      {
+        "role": "hide"
+      },
+      {
+        "role": "hideothers"
+      },
+      {
+        "role": "unhide"
+      },
+      {
+        "type": "separator"
+      },
+      {
+        "role": "quit"
+      }
+    ]
+  },
+  {
+    "label": "&Edit",
+    "submenu": [
+      {
+        "role": "undo"
+      },
+      {
+        "role": "redo"
+      },
+      {
+        "type": "separator"
+      },
+      {
+        "role": "cut"
+      },
+      {
+        "role": "copy"
+      },
+      {
+        "role": "paste"
+      },
+      {
+        "role": "pasteandmatchstyle"
+      },
+      {
+        "role": "delete"
+      },
+      {
+        "role": "selectall"
+      },
+      {
+        "type": "separator"
+      },
+      {
+        "label": "Speech",
+        "submenu": [
+          {
+            "role": "startspeaking"
+          },
+          {
+            "role": "stopspeaking"
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "label": "&View",
+    "submenu": [
+      {
+        "role": "resetzoom"
+      },
+      {
+        "role": "zoomin"
+      },
+      {
+        "role": "zoomout"
+      },
+      {
+        "type": "separator"
+      },
+      {
+        "role": "togglefullscreen"
+      },
+      {
+        "type": "separator"
+      },
+      {
+        "label": "Debug Log",
+        "click": null
+      },
+      {
+        "type": "separator"
+      },
+      {
+        "role": "toggledevtools"
+      }
+    ]
+  },
+  {
+    "label": "&Window",
+    "role": "window",
+    "submenu": [
+      {
+        "accelerator": "CmdOrCtrl+W",
+        "role": "close"
+      },
+      {
+        "accelerator": "CmdOrCtrl+M",
+        "role": "minimize"
+      },
+      {
+        "role": "zoom"
+      },
+      {
+        "label": "Show",
+        "click": null
+      },
+      {
+        "type": "separator"
+      },
+      {
+        "role": "front"
+      }
+    ]
+  },
+  {
+    "label": "&Help",
+    "role": "help",
+    "submenu": [
+      {
+        "label": "Go to release notes",
+        "click": null
+      },
+      {
+        "type": "separator"
+      },
+      {
+        "label": "Go to forums",
+        "click": null
+      },
+      {
+        "label": "Go to support page",
+        "click": null
+      },
+      {
+        "label": "File a bug",
+        "click": null
+      }
+    ]
+  }
+]

test/app/menu_test.js

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+const { assert } = require('chai');
+
+const SignalMenu = require('../../app/menu');
+const { load: loadLocale } = require('../../app/locale');
+
+const FIXTURE_MAC_OS_MENU = require('./fixtures/menu-mac-os');
+
+
+describe('SignalMenu', () => {
+  describe('createTemplate', () => {
+    context('on macOS', () => {
+      it('should return correct template', () => {
+        const logger = {
+          error(message) {
+            throw new Error(message);
+          },
+        };
+        const options = {
+          openForums: null,
+          openNewBugForm: null,
+          openReleaseNotes: null,
+          openSupportPage: null,
+          platform: 'darwin',
+          setupAsNewDevice: null,
+          setupAsStandalone: null,
+          setupWithImport: null,
+          showAbout: null,
+          showDebugLog: null,
+          showWindow: null,
+        };
+        const appLocale = 'en';
+        const { messages } = loadLocale({ appLocale, logger });
+
+        const actual = SignalMenu.createTemplate(options, messages);
+        assert.deepEqual(actual, FIXTURE_MAC_OS_MENU);
+      });
+    });
+  });
+});