refactor: change accept to getter (#68)

app/extend/application.js

@@ -2,7 +2,6 @@
 
 const http = require('http');
 const assert = require('assert');
-const accepts = require('accepts');
 const Keygrip = require('../../lib/core/keygrip');
 const Service = require('../../lib/core/base_service');
 const view = require('../../lib/core/view');
@@ -16,19 +15,19 @@ const VIEW = Symbol('Application#View');
 const LOCALS = Symbol('Application#locals');
 const LOCALS_LIST = Symbol('Application#localsList');
 
-// 空的 instrument 返回，用于生产环境，避免每次创建对象
+// empty instrument object, use on prod env, avoid create object every time.
 const emptyInstrument = {
   end() {},
 };
 
 module.exports = {
 
   /**
-   * 创建 koa 上下文
+   * Create egg context
    * @method Application#createContext
-   * @param  {Req} req node 原生的 Request 对象
-   * @param  {Res} res node 原生的 Response 对象
-   * @return {Context} 返回 koa 上下文
+   * @param  {Req} req - node native Request object
+   * @param  {Res} res - node native Response object
+   * @return {Context} context object
    */
   createContext(req, res) {
     const app = this;
@@ -43,7 +42,6 @@ module.exports = {
     response.request = request;
     context.onerror = context.onerror.bind(context);
     context.originalUrl = request.originalUrl = req.url;
-    context.accept = request.accept = accepts(req);
 
     /**
      * Request start time
@@ -54,14 +52,14 @@ module.exports = {
   },
 
   /**
-   * Service 基类
+   * Service class
    * @member {Service} Application#Service
    * @since 1.0.0
    */
   Service,
 
   /**
-   * AppWorkerClient 基类
+   * AppWorkerClient class
    * @member {AppWorkerClient} Application#AppWorkerClient
    */
   AppWorkerClient,

app/extend/context.js

@@ -356,13 +356,15 @@ const proto = module.exports = {
  * @see Request#isAjax
  * @since 1.0.0
  */
-delegate(proto, 'request')
-  .getter('isAjax')
-  .getter('acceptJSON');
 
 /**
  * @member {Array} Context#queries
  * @see Request#queries
  * @since 1.0.0
  */
-delegate(proto, 'request').getter('queries');
+
+delegate(proto, 'request')
+  .getter('isAjax')
+  .getter('acceptJSON')
+  .getter('queries')
+  .getter('accept');

app/extend/request.js

@@ -1,9 +1,11 @@
 'use strict';
 
 const querystring = require('querystring');
+const accepts = require('accepts');
 const _querycache = Symbol('_querycache');
 const _queriesCache = Symbol('_queriesCache');
 const PROTOCOL = Symbol('PROTOCOL');
+const ACCEPTS = Symbol('ACCEPTS');
 const RE_ARRAY_KEY = /[^\[\]]+\[\]$/;
 const AJAX_EXT_RE = /\.(json|tile|ajax)$/i;
 
@@ -214,6 +216,15 @@ module.exports = {
     return this._customQuery(_queriesCache, arrayValue);
   },
 
+  get accept() {
+    let accept = this[ACCEPTS];
+    if (accept) {
+      return accept;
+    }
+    accept = this[ACCEPTS] = accepts(this.req);
+    return accept;
+  },
+
   /**
    * Set query-string as an object.
    *

package.json

@@ -24,7 +24,7 @@
     "egg-session": "^0.0.2",
     "egg-static": "^0.1.0",
     "egg-userrole": "^0.1.0",
-    "egg-userservice": "^0.1.0",
+    "egg-userservice": "^1.0.0",
     "egg-validate": "^0.0.2",
     "egg-watcher": "^1.0.0",
     "graceful": "^1.0.1",

test/lib/core/loader/load_plugin.test.js

@@ -2,17 +2,19 @@
 
 const should = require('should');
 const path = require('path');
+const fs = require('fs');
 const mm = require('egg-mock');
 const AppWorkerLoader = require('../../../../').AppWorkerLoader;
 const utils = require('../../../utils');
 
 const EGG_BASE = path.join(__dirname, '../../../../');
 
-describe('test/lib/core/loader/load_plugin.test.js', () => {
+describe('test/lib/core/loader.test.js', () => {
   let app;
   const logger = console;
   before(() => {
     app = utils.app('apps/empty');
+    return app.ready();
   });
   afterEach(mm.restore);
 
@@ -45,7 +47,7 @@ describe('test/lib/core/loader/load_plugin.test.js', () => {
       env: [],
       path: path.join(baseDir, 'plugins/e'),
     });
-    appLoader.plugins.onerror.path.should.equal(path.join(EGG_BASE, 'node_modules/egg-onerror'));
+    appLoader.plugins.onerror.path.should.equal(fs.realpathSync(path.join(EGG_BASE, 'node_modules/egg-onerror')));
     appLoader.plugins.onerror.package.should.equal('egg-onerror');
     appLoader.plugins.onerror.version.should.match(/\d+\.\d+\.\d+/);
     appLoader.orderPlugins.should.be.an.Array;