Uint8Array migration

ts/test-electron/util/imagePathToBytes_test.ts

@@ -0,0 +1,19 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+//
+import { assert } from 'chai';
+import path from 'path';
+
+import { imagePathToBytes } from '../../util/imagePathToBytes';
+
+describe('imagePathToBytes', () => {
+  it('converts an image to an Bytes', async () => {
+    const avatarPath = path.join(
+      __dirname,
+      '../../../fixtures/kitten-3-64-64.jpg'
+    );
+    const buffer = await imagePathToBytes(avatarPath);
+    assert.isDefined(buffer);
+    assert(buffer instanceof Uint8Array);
+  });
+});