[STRATCONN] 2841 pinterest tag mapping event id as segment message id (#785)

* mapMessageIdToEventId settings added

* Removed typo error

* Changed in test case

* added unit test case and mapped segment msgId as Pinterest event_id

* Change in unit test case

* added msgId as event_id

* Removed test case of pinterest tag

* Removed test case of pinterest tag

* Test cases for pinterest tag api added

Author: AnkitSegment

integrations/pinterest-tag/lib/index.js

@@ -25,7 +25,15 @@ Pinterest.prototype.initialize = function() {
   if (!this.options.tid) return;
 
   // Preparation for loading the Pinterest script.
-  (function(e){if(!window.pintrk){window.pintrk=function(){window.pintrk.queue.push(Array.prototype.slice.call(arguments))};var n=window.pintrk;n.queue=[],n.version="3.0";}})(); // eslint-disable-line
+  (function(e) {
+    if (!window.pintrk) {
+      window.pintrk = function() {
+        window.pintrk.queue.push(Array.prototype.slice.call(arguments));
+      };
+      var n = window.pintrk;
+      (n.queue = []), (n.version = '3.0');
+    }
+  })(); // eslint-disable-line
 
   this.load(this.ready);
   var traits = this.analytics.user().traits();
@@ -153,6 +161,9 @@ Pinterest.prototype.generatePropertiesObject = function(track) {
     if (trackValue) pinterestProps[this.propertyMap[prop]] = trackValue;
   }
 
+  if (this.options.mapMessageIdToEventId) {
+    pinterestProps['event_id'] = track.proxy('messageId');
+  }
   // Determine if there's a 'products' Array, then add in the specific features on that decision.
   var products = track.proxy('properties.products');
   var lineItemsArray;

integrations/pinterest-tag/test/index.test.js

@@ -101,16 +101,11 @@ describe('Pinterest', function() {
       });
 
       it('should set Segment messageId as Pinterest Evnet Id', function() {
-        analytics.track('Order Completed', {
-          currency: 'SGD',
-          value: 10.0,
-          messageId: 'testing5671'
-        });
-        analytics.called(window.pintrk, 'track', 'Checkout', {
-          value: 10.0,
-          currency: 'SGD',
-          event_id: 'testing5671'
-        });
+        analytics.track('Order Completed', {});
+        analytics.called(window.pintrk, 'track', 'Checkout');
+        if (!window.pintrk.args[0][2].event_id.startsWith('ajs-')) {
+          throw new Error('Expected eventId on window.pintrk Not found.');
+        }
       });
     });
   });