Update test codes

Author: holyshared

package.json

@@ -24,10 +24,10 @@
   "license": "MIT",
   "readmeFilename": "README.md",
   "devDependencies": {
-    "chai": "^3.2.0",
-    "coffee-script": "~1.9",
+    "bluebird": "^3.3.5",
     "coveralls": "~2.11",
     "istanbul": "^0.4.3",
-    "mocha": "^2.3.0"
+    "mocha": "^2.3.0",
+    "power-assert": "^1.3.1"
   }
 }

test/helper.js

@@ -0,0 +1,7 @@
+'use strict';
+
+const fs = require('fs');
+
+global.Promise = require('bluebird');
+global.readFile = Promise.promisify(fs.readFile);
+global.assert = require('power-assert');

test/json2lcov-cli.js

@@ -1,31 +1,23 @@
 'use strict';
 
-var fs = require('fs'),
-    path = require('path'),
-    exec = require('child_process').exec,
-    expect = require('chai').expect,
-    jsoncovToLcov = require('../lib/json2lcov');
-
-describe('json2lcov-cli', function(){
-
-  var expectLcovContent = '';
-
-  beforeEach(function(done){
-    fs.readFile( path.resolve('./test/fixtures/fixture.lcov'), function (error, content) {
-      expectLcovContent = content.toString();
-      done();
+const fs = require('fs');
+const path = require('path');
+const exec = require('child_process').exec;
+const jsoncovToLcov = require('../lib/json2lcov');
+
+describe('json2lcov-cli', function() {
+  beforeEach(function() {
+    return readFile('./test/fixtures/fixture.lcov').then((content) => {
+      this.lcov = content.toString();
     });
   });
 
-  it('converted into lcov from json-cov', function(done){
+  it('converted into lcov from json-cov', function(done) {
+    const fixtureFile = path.resolve('./test/fixtures/fixture.json');
 
-    var fixtureFile = path.resolve('./test/fixtures/fixture.json');
-
-    exec('cat ' + fixtureFile + ' | ./bin/json2lcov.js',  function (error, stdout, stderr) {
-      expect(stdout.toString()).to.equals(expectLcovContent);
+    exec('cat ' + fixtureFile + ' | ./bin/json2lcov.js', (error, stdout, stderr) => {
+      assert.equal(stdout.toString(), this.lcov);
       done();
     });
-
   });
-
 });

test/json2lcov.js

@@ -1,35 +1,21 @@
 'use strict';
 
-var fs = require('fs'),
-    path = require('path'),
-    expect = require('chai').expect,
-    jsoncovToLcov = require('../lib/json2lcov');
-
-describe('json2lcov', function(){
-
-  var expectLcovContent = '';
-
-  beforeEach(function(done){
-    fs.readFile( path.resolve('./test/fixtures/fixture.lcov'), function (error, content) {
-      expectLcovContent = content.toString();
-      done();
+const fs = require('fs');
+const path = require('path');
+const jsoncovToLcov = require('../lib/json2lcov');
+
+describe('json2lcov', function() {
+  beforeEach(function() {
+    return readFile('./test/fixtures/fixture.lcov').then((content) => {
+      this.lcov = content.toString();
     });
   });
 
-  it('converted into lcov from json-cov', function(done){
-
-    fs.readFile( path.resolve('./test/fixtures/fixture.json'), function (error, content) {
-
-      if (error) {
-        throw error;
-      }
-
-      var result = jsoncovToLcov( JSON.parse(content.toString()) );
-      expect(result).to.equals(expectLcovContent);
-      done();
+  it('converted into lcov from json-cov', function() {
+    return readFile('./test/fixtures/fixture.json').then((content) => {
+      const result = jsoncovToLcov( JSON.parse(content.toString()) );
 
+      assert.equal(result, this.lcov);
     });
-
   });
-
 });