test: worker should be able to load asar files (#28858)

spec-main/asar-spec.ts

@@ -1,5 +1,6 @@
 import { expect } from 'chai';
 import * as path from 'path';
+import * as url from 'url';
 import { BrowserWindow, ipcMain } from 'electron/main';
 import { closeAllWindows } from './window-helpers';
 import { emittedOnce } from './events-helpers';
@@ -79,4 +80,32 @@ describe('asar package', () => {
       }
     });
   });
+
+  describe('worker', () => {
+    it('Worker can load asar file', async () => {
+      const w = new BrowserWindow({ show: false });
+      await w.loadFile(path.join(fixtures, 'workers', 'load_worker.html'));
+
+      const workerUrl = url.format({
+        pathname: path.resolve(fixtures, 'workers', 'workers.asar', 'worker.js').replace(/\\/g, '/'),
+        protocol: 'file',
+        slashes: true
+      });
+      const result = await w.webContents.executeJavaScript(`loadWorker('${workerUrl}')`);
+      expect(result).to.equal('success');
+    });
+
+    it('SharedWorker can load asar file', async () => {
+      const w = new BrowserWindow({ show: false });
+      await w.loadFile(path.join(fixtures, 'workers', 'load_shared_worker.html'));
+
+      const workerUrl = url.format({
+        pathname: path.resolve(fixtures, 'workers', 'workers.asar', 'shared_worker.js').replace(/\\/g, '/'),
+        protocol: 'file',
+        slashes: true
+      });
+      const result = await w.webContents.executeJavaScript(`loadSharedWorker('${workerUrl}')`);
+      expect(result).to.equal('success');
+    });
+  });
 });

spec/fixtures/workers/load_shared_worker.html

@@ -0,0 +1,15 @@
+<script>
+  function loadSharedWorker(url) {
+    return new Promise((resolve) => {
+      try {
+        const w = new SharedWorker(url);
+        w.onerror = () => resolve('failed');
+        w.port.onmessage = (m) => resolve(m.data);
+        w.port.postMessage('success');
+      } catch {
+        resolve('failed');
+      }
+    });
+  }
+</script>
+

spec/fixtures/workers/load_worker.html

@@ -0,0 +1,14 @@
+<script>
+  function loadWorker(url) {
+    return new Promise((resolve) => {
+      try {
+        const w = new Worker(url);
+        w.onerror = () => resolve('failed');
+        w.onmessage = (m) => resolve(m.data);
+        w.postMessage('success');
+      } catch {
+        resolve('failed');
+      }
+    });
+  }
+</script>