adding support for RetrieveAndRankV1.rank() answers param

Author: nfriedly

CHANGELOG.md

@@ -1,3 +1,6 @@
+# v2.3.0
+* Add support for RetrieveAndRankV1.rank() answers param
+
 # v2.2.0
 * Added support for creating and managing TTS Customizations
 

retrieve-and-rank/v1.js

@@ -85,15 +85,16 @@ RetrieveAndRankV1.prototype.rank = function(params, callback) {
     return;
   }
 
+  var topLevelParams = ['answer_data', 'answers'];
+  var formData = pick(params, topLevelParams);
+  formData.answer_metadata =  JSON.stringify(omit(params, topLevelParams));
+
   var parameters = {
     options: {
       url: '/v1/rankers/{ranker_id}/rank',
       method: 'POST',
       json: true,
-      formData: {
-        answer_data: params.answer_data,
-        answer_metadata: JSON.stringify(omit(params, ['answer_data']))
-      },
+      formData: formData,
       path: pick(params, ['ranker_id'])
     },
     requiredParams: ['ranker_id'],

test/test.retrieve_and_rank.v1.js

@@ -402,9 +402,6 @@ describe('retrieve_and_rank', function() {
 
     search.deleteRanker({}, missingParameter);
     search.deleteRanker(null, missingParameter);
-
-    search.rank({ranker_id: 'ranker1'}, missingParameter);
-    search.rank({ranker_id: 'ranker1', answer_metadata: rankerData }, missingParameter);
   });
 
   it('should generate a valid payload when creating a ranker', function(done) {
@@ -440,4 +437,25 @@ describe('retrieve_and_rank', function() {
     });
   });
 
+  describe('rank()', function() {
+    it('check missing parameters', function() {
+      search.rank({ranker_id: 'ranker1'}, missingParameter);
+      search.rank({ranker_id: 'ranker1', answer_metadata: rankerData }, missingParameter);
+    });
+
+    it('should support the answers parameter', function(done) {
+      nock(service.url)
+        .post(rankPath + '/rank')
+        .reply(200, rankResponse);
+      var req = search.rank({ranker_id: 'foo', answers: 3, answer_data: 'bar'}, function(err){
+        if (err) {
+          return done(err);
+        }
+      });
+      assert.equal(req.formData.answers, 3);
+      done();
+    });
+  });
+
+
 });