Minimal test infrastructure

package.json

@@ -4,7 +4,7 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "mocha -r ts-node/register test/**/*.ts",
     "pretty": "scripts/pretty",
     "build": "parcel build --no-minify src/manifest.json --no-cache",
     "qbuild": "parcel build --no-minify src/manifest.json",
@@ -32,7 +32,11 @@
     "web-ext-types": "github:kelseasy/web-ext-types"
   },
   "dependencies": {
-    "csp-serdes": "git+https://github.com/cmcaine/csp-serdes.git"
+    "csp-serdes": "git+https://github.com/cmcaine/csp-serdes.git",
+    "@types/mocha": "^5.2.5",
+    "chai": "^4.1.2",
+    "mocha": "^5.2.0",
+    "ts-node": "^7.0.0"
   },
   "browserslist": [
     "Firefox >= 54"

src/client.ts

@@ -0,0 +1,2 @@
+export default class Client {
+}

test/client.spec.ts

@@ -0,0 +1,8 @@
+import client from '../src/client'
+
+import { expect, assert } from 'chai'
+import 'mocha'
+
+describe('client', function() {
+    it('should have an onkey method')
+})