Allow setting optional request parameters, tones and sentences.

Added service code to pick up query parameters and add test cases.

Author: James Thomas

services/tone_analyzer/v3-beta.js

@@ -17,6 +17,7 @@
 'use strict';
 
 var extend         = require('extend');
+var pick           = require('object.pick');
 var requestFactory = require('../../lib/requestwrapper');
 
 function ToneAnalyzer(options) {
@@ -60,7 +61,8 @@ ToneAnalyzer.prototype.tone = function(params, callback) {
     options: {
       url: '/v3/tone',
       method: 'POST',
-      body: params.text
+      body: params.text,
+      qs: pick(params, ['tone', 'sentences'])
     },
     defaultOptions: extend(this._options, {
     headers: {

test/test.tone_analyzer.v3-beta.js

@@ -60,6 +60,17 @@ describe('tone_analyzer.v3', function() {
       assert.equal(req.headers['accept'], 'application/json');
   });
 
+  it('tone API should add optional query parameters', function() {
+      var options = {text: tone_request.text, tone: 'emotion', sentences: true}
+      var req = tone_analyzer.tone(options, noop);
+      var body = new Buffer(req.body).toString('ascii');
+      assert.equal(req.uri.href, service.url + tone_path + '?version=2016-02-11&tone=emotion&sentences=true');
+      assert.equal(body, tone_request.text);
+      assert.equal(req.method, 'POST');
+      assert.equal(req.headers['content-type'], 'text/plain');
+      assert.equal(req.headers['accept'], 'application/json');
+  });
+
   it('tone API should format the response', function(done) {
     tone_analyzer.tone(tone_request, function(err, response) {
       if (err)