feat: unit testing

Author: 鲁飞

package.json

@@ -7,8 +7,8 @@
   "types": "dist/type/index.d.ts",
   "scripts": {
     "build": "rm -fr dist & rollup -c",
-    "declaration": "tsc --declaration --declarationDir dist/type ./src/index.ts --emitDeclarationOnly",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "mocha test/",
+    "declaration": "tsc --declaration --declarationDir dist/type ./src/index.ts --emitDeclarationOnly"
   },
   "browserslist": [
     "android >= 5",
@@ -22,6 +22,8 @@
   "license": "MIT",
   "devDependencies": {
     "@rollup/plugin-typescript": "^4.1.2",
+    "expect.js": "^0.3.1",
+    "mocha": "^8.0.1",
     "rollup": "^2.15.0",
     "rollup-plugin-terser": "^6.1.0",
     "tslib": "^2.0.0",

rollup.config.js

@@ -18,7 +18,7 @@ export default {
       file: 'dist/cox.es.js'
     },
     {
-      format: 'iife',
+      format: 'umd',
       sourcemap: true,
       name: 'cox',
       file: 'dist/cox.min.js'

test/collide.js

@@ -0,0 +1,38 @@
+const expect = require('expect.js')
+const {collide, Polygon, Circle} = require('../dist/cox.min')
+
+describe('collide', () => {
+  let polygon, circle, square
+
+  before(() => {
+    polygon = new Polygon({
+      x: 380,
+      y: 504,
+      vertices: [-60, -60, -120, 0, -60, 60, 60, 60, 120, 0, 60, -60]
+    })
+
+    circle = new Circle({
+      x: 518,
+      y: 656,
+      r: 50
+    })
+
+    square = new Polygon({
+      x: 461,
+      y: 575,
+      vertices: [-50, -50, 50, -50, 50, 50, -50, 50]
+    })
+  })
+
+  it('正方形与圆碰撞', () => {
+    expect(collide(square, circle)).to.be.ok()
+  })
+
+  it('多边形与圆不碰撞', () => {
+    expect(collide(polygon, circle)).to.not.be.ok()
+  })
+
+  it('多边形与正方形碰撞', () => {
+    expect(collide(polygon, square)).to.be.ok()
+  })
+})