Merge pull request #87 from xuexb/fix/test

fix: 修改测试报错

.travis.yml

@@ -12,6 +12,7 @@ cache:
   directories:
     - node_modules
 script:
-  - npm run test:cov && npm run test:sauce
+  - npm run test:cov
+  - npm run test:sauce
 after_script:
   - npm install coveralls && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage

test/layui.js

@@ -346,17 +346,14 @@ describe('layui', function () {
     ];
 
     it('check params and return value', function () {
-      // 由于没有值参数, 导致 JSON.parse 失败
-      expect(function () {
-        layui.sort();
-      }).to.throw();
+      expect(layui.sort()).to.deep.equal([], '空参数时默认为空数组');
 
-      expect(layui.sort({})).to.deep.equal({});
+      expect(layui.sort({})).to.deep.equal({}, '只传空对象默认返回');
       expect(layui.sort({
         name: 'layui'
       })).to.deep.equal({
         name: 'layui'
-      });
+      }, '只传一个对象参数时返回');
 
       expect(layui.sort([{
         name: 'layui'