feat: add auto update support (#65)

src/main/runtime/update/update-dialogs.test.ts

@@ -0,0 +1,37 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { createUpdateDialogPresenter, type ShowMessageBox } from './update-dialogs';
+
+test('update dialog presenter focuses app before showing macOS dialogs', async () => {
+  const calls: string[] = [];
+  const showMessageBox: ShowMessageBox = async (options) => {
+    calls.push(`dialog:${options.message}`);
+    return { response: 0 };
+  };
+  const presenter = createUpdateDialogPresenter({
+    platform: 'darwin',
+    focusApp: () => calls.push('focus'),
+    showMessageBox,
+  });
+
+  await presenter.showNoUpdateDialog('0.14.0');
+
+  assert.deepEqual(calls, ['focus', 'dialog:SubMiner is up to date (v0.14.0)']);
+});
+
+test('update dialog presenter does not focus app before showing non-macOS dialogs', async () => {
+  const calls: string[] = [];
+  const showMessageBox: ShowMessageBox = async (options) => {
+    calls.push(`dialog:${options.message}`);
+    return { response: 0 };
+  };
+  const presenter = createUpdateDialogPresenter({
+    platform: 'linux',
+    focusApp: () => calls.push('focus'),
+    showMessageBox,
+  });
+
+  await presenter.showNoUpdateDialog('0.14.0');
+
+  assert.deepEqual(calls, ['dialog:SubMiner is up to date (v0.14.0)']);
+});