Add tests for config console

lib/plugins/console/config.js

@@ -3,6 +3,7 @@
 var yaml = require('js-yaml');
 var fs = require('hexo-fs');
 var pathFn = require('path');
+var Promise = require('bluebird');
 
 function configConsole(args) {
   var key = args._[0];
@@ -11,13 +12,13 @@ function configConsole(args) {
 
   if (!key) {
     console.log(this.config);
-    return;
+    return Promise.resolve();
   }
 
   if (!value) {
     value = getProperty(this.config, key);
     if (value) console.log(value);
-    return;
+    return Promise.resolve();
   }
 
   var configPath = this.config_path;

package.json

@@ -64,6 +64,7 @@
     "jscs": "^2.9.0",
     "jscs-preset-hexo": "^1.0.1",
     "mocha": "^2.4.5",
+    "rewire": "^2.5.1",
     "sinon": "^1.17.3"
   }
 }

test/scripts/console/config.js

@@ -5,11 +5,14 @@ var fs = require('hexo-fs');
 var pathFn = require('path');
 var yaml = require('js-yaml');
 var _ = require('lodash');
+var rewire = require('rewire');
+var sinon = require('sinon');
 
 describe('config', function() {
   var Hexo = require('../../../lib/hexo');
   var hexo = new Hexo(pathFn.join(__dirname, 'config_test'), {silent: true});
   var config = require('../../../lib/plugins/console/config').bind(hexo);
+  var configModule = rewire('../../../lib/plugins/console/config');
 
   before(function() {
     return fs.mkdirs(hexo.base_dir).then(function() {
@@ -25,9 +28,53 @@ describe('config', function() {
     return fs.rmdir(hexo.base_dir);
   });
 
-  it('read all config');
+  it('read all config', function() {
+    var spy = sinon.spy();
 
-  it('read config');
+    return configModule.__with__({
+      console: {
+        log: spy
+      }
+    })(function() {
+      return configModule.call(hexo, {_: []});
+    }).then(function() {
+      spy.args[0][0].should.eql(hexo.config);
+    });
+  });
+
+  it('read config', function() {
+    var spy = sinon.spy();
+
+    return configModule.__with__({
+      console: {
+        log: spy
+      }
+    })(function() {
+      return configModule.call(hexo, {_: ['title']});
+    }).then(function() {
+      spy.args[0][0].should.eql(hexo.config.title);
+    });
+  });
+
+  it('read nested config', function() {
+    var spy = sinon.spy();
+
+    hexo.config.server = {
+      port: 12345
+    };
+
+    return configModule.__with__({
+      console: {
+        log: spy
+      }
+    })(function() {
+      return configModule.call(hexo, {_: ['server.port']});
+    }).then(function() {
+      spy.args[0][0].should.eql(hexo.config.server.port);
+    }).finally(function() {
+      delete hexo.config.server;
+    });
+  });
 
   function writeConfig() {
     var args = _.toArray(arguments);