Add api running test for ipfs version

Author: fbaiodias

src/cli/commands/version.js

@@ -1,7 +1,7 @@
 'use strict'
 
 const Command = require('ronin').Command
-const IPFS = require('../../ipfs-core')
+const utils = require('../utils')
 const debug = require('debug')
 const log = debug('cli:version')
 log.error = debug('cli:version:error')
@@ -26,8 +26,8 @@ module.exports = Command.extend({
   },
 
   run: (name) => {
-    var node = new IPFS()
-    node.version((err, version) => {
+    var ipfs = utils.getIPFS()
+    ipfs.version((err, version) => {
       if (err) { return log.error(err) }
 
       console.log(version)

tests/test-cli/test-version.js

@@ -2,6 +2,7 @@
 
 const expect = require('chai').expect
 const nexpect = require('nexpect')
+const httpAPI = require('../../src/http-api')
 
 describe('version', () => {
   describe('api offline', () => {
@@ -17,6 +18,28 @@ describe('version', () => {
   })
 
   describe('api running', () => {
-    // TODO
+    before((done) => {
+      httpAPI.start((err) => {
+        expect(err).to.not.exist
+        done()
+      })
+    })
+
+    after((done) => {
+      httpAPI.stop((err) => {
+        expect(err).to.not.exist
+        done()
+      })
+    })
+
+    it('get the version', (done) => {
+      nexpect.spawn('node', [process.cwd() + '/src/cli/bin.js', 'version'])
+        .expect('0.4.0-dev')
+        .run((err, stdout, exitcode) => {
+          expect(err).to.not.exist
+          expect(exitcode).to.equal(0)
+          done()
+        })
+    })
   })
 })