test(browser): add a test

Author: mkamakura

__tests__/brower.js

@@ -1,5 +1,5 @@
 import assert from 'assert'
-import { get_user_agent } from '../src/browser'
+import { get_user_agent, get_search } from '../src/browser'
 
 Object.defineProperty(window.navigator, "userAgent", ((_value) => {
   return {
@@ -16,3 +16,10 @@ test('browser: get user agent', () => {
   window.navigator.userAgent = 'Chrome'
   assert.equal(get_user_agent(), 'Chrome')
 })
+
+test('browser: get search', () => {
+  jsdom.reconfigure({
+    url: "https://www.example.com?date=20180101"
+  })
+  assert.deepEqual(get_search(), { date: '20180101' })
+})

package.json

@@ -9,6 +9,7 @@
     "babel-preset-env": "^1.6.1",
     "babel-preset-power-assert": "^2.0.0",
     "jest": "^22.1.4",
+    "jest-environment-jsdom-global": "^1.0.3",
     "power-assert": "^1.4.4",
     "rewire": "^3.0.2"
   },
@@ -20,5 +21,8 @@
       "power-assert",
       "env"
     ]
+  },
+  "jest": {
+    "testEnvironment": "jest-environment-jsdom-global"
   }
 }

src/browser.js

@@ -1,3 +1,11 @@
 export function get_user_agent() {
   return window.navigator.userAgent
 }
+
+export function get_search() {
+  return window.location.search
+    .slice(1)
+    .split('&')
+    .map(p => p.split('='))
+    .reduce((obj, [k, v]) => ({ ...obj, [k]: v }), {})
+}

yarn.lock

@@ -1787,6 +1787,10 @@ jest-docblock@^22.1.0:
   dependencies:
     detect-newline "^2.1.0"
 
+jest-environment-jsdom-global@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/jest-environment-jsdom-global/-/jest-environment-jsdom-global-1.0.3.tgz#e0616c235709e6919f33f9b5e5c3854cd8edba39"
+
 jest-environment-jsdom@^22.1.4:
   version "22.1.4"
   resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-22.1.4.tgz#704518ce8375f7ec5de048d1e9c4268b08a03e00"