fix(tests): fix appx tests (maker did not return output path)

package.json

@@ -34,6 +34,7 @@
   "author": "Samuel Attard",
   "license": "MIT",
   "devDependencies": {
+    "asar": "^0.13.0",
     "babel-eslint": "^7.0.0",
     "babel-plugin-istanbul": "^4.0.0",
     "babel-plugin-syntax-async-functions": "^6.13.0",

src/makers/win32/appx.js

@@ -92,4 +92,6 @@ export default async ({ dir, appName, targetArch, forgeConfig, packageJSON }) =>
   delete opts.makeVersionWinStoreCompatible;
 
   await windowsStore(opts);
+
+  return [path.resolve(outPath, `${opts.packageName}.appx`)];
 };

test/slow/api_spec_slow.js

@@ -1,4 +1,5 @@
 import { execSync } from 'child_process';
+import asar from 'asar';
 import fs from 'fs-extra';
 import os from 'os';
 import path from 'path';
@@ -197,6 +198,10 @@ describe(`electron-forge API (with installer=${installer.substr(12)})`, () => {
     });
 
     it('can package without errors', async () => {
+      const packageJSON = await readPackageJSON(dir);
+      packageJSON.config.forge.electronPackagerConfig.asar = true;
+      await fs.writeFile(path.resolve(dir, 'package.json'), JSON.stringify(packageJSON, null, 2));
+
       await forge.package({ dir });
     });
 
@@ -207,9 +212,10 @@ describe(`electron-forge API (with installer=${installer.substr(12)})`, () => {
       }
 
       it('should have deleted the forge config from the packaged app', async () => {
-        const cleanPackageJSON = await readPackageJSON(
-          path.resolve(dir, 'out', `Test App-${process.platform}-${process.arch}`, resourcesPath, 'app')
-        );
+        const cleanPackageJSON = JSON.parse(asar.extractFile(
+          path.resolve(dir, 'out', `Test App-${process.platform}-${process.arch}`, resourcesPath, 'app.asar'),
+          'package.json'
+        ));
         expect(cleanPackageJSON).to.not.have.deep.property('config.forge');
       });