feat: bump minimum node version to 16 and add tests (#86)

BREAKING CHANGE: Minimum node version is now 16

test/asar-utils.spec.ts

@@ -0,0 +1,26 @@
+import * as path from 'path';
+
+import { AsarMode, detectAsarMode, generateAsarIntegrity } from '../src/asar-utils';
+
+const asarsPath = path.resolve(__dirname, 'fixtures', 'asars');
+const appsPath = path.resolve(__dirname, 'fixtures', 'apps');
+
+describe('asar-utils', () => {
+  describe('detectAsarMode', () => {
+    it('should correctly detect an asar enabled app', async () => {
+      expect(await detectAsarMode(path.resolve(appsPath, 'Asar.app'))).toBe(AsarMode.HAS_ASAR);
+    });
+
+    it('should correctly detect an app without an asar', async () => {
+      expect(await detectAsarMode(path.resolve(appsPath, 'NoAsar.app'))).toBe(AsarMode.NO_ASAR);
+    });
+  });
+
+  describe('generateAsarIntegrity', () => {
+    it('should deterministically hash an asar header', async () => {
+      expect(generateAsarIntegrity(path.resolve(asarsPath, 'app.asar')).hash).toEqual(
+        '85fff474383bd8df11cd9c5784e8fcd1525af71ff140a8a882e1dc9d5b39fcbf',
+      );
+    });
+  });
+});