🔧 Add a test harness

.gitignore

@@ -1,3 +1,5 @@
 node_modules
 lib
-coverage
+coverage
+harness/app/*
+harness/out/*

.npmignore

@@ -8,4 +8,5 @@ coverage
 .vscode
 !static
 !vendor
-!lib
+!lib
+harness

harness/README.md

@@ -0,0 +1,4 @@
+# Test Harness
+This test harness helps with verifying development in `electron-wix-msi`.
+Put an electron app into the `app` directory (we're using Slack as an example)
+and run `npm run harness` to ensure that the package works as intended.

harness/harness.js

@@ -0,0 +1,32 @@
+const path = require('path');
+const fs = require('fs-extra');
+
+const { MSICreator } = require('../lib/index');
+
+const APP_DIR = path.join(__dirname, 'app');
+const OUT_DIR = path.join(__dirname, 'out');
+
+async function clean() {
+  await fs.ensureDir(APP_DIR);
+  await fs.emptyDir(OUT_DIR);
+}
+
+async function harness() {
+  const msiCreator = new MSICreator({
+    appDirectory: APP_DIR,
+    exe: 'slack',
+    manufacturer: 'Slack Technologies',
+    name: 'Slack',
+    outputDirectory: OUT_DIR,
+    description: 'Test',
+    ui: {
+      chooseDirectory: true
+    },
+    version: '1.2.3.4'
+  });
+
+  await msiCreator.create();
+  await msiCreator.compile();
+}
+
+harness();

package.json

@@ -19,7 +19,8 @@
     "prepublish": "npm run build",
     "build": "tsc --pretty",
     "test": "npm run lint && jest",
-    "lint": "tslint -c tslint.json 'src/**/*.ts'"
+    "lint": "tslint -c tslint.json 'src/**/*.ts'",
+    "harness": "npm run build && node ./harness/harness.js"
   },
   "dependencies": {
     "debug": "^3.1.0",