feat(queue): emit internal duplicated event (#2754)

Author: roggervalf

lib/commands/addJob-6.lua

@@ -51,7 +51,7 @@ else
   jobId = ARGV[2]
   jobIdKey = ARGV[1] .. jobId
   if rcall("EXISTS", jobIdKey) == 1 then
-    rcall("PUBLISH", ARGV[1] .. "duplicated", jobId)
+    rcall("PUBLISH", ARGV[1] .. "duplicated@" .. ARGV[11], jobId)
     return jobId .. "" -- convert to string
   end
 end

lib/queue.js

@@ -440,6 +440,9 @@ Queue.prototype._setupQueueEventListeners = function() {
         utils.emitSafe(this, 'global:stalled', message);
         break;
       case duplicatedKey:
+        if (this.token === token) {
+          utils.emitSafe(this, 'duplicated', message);
+        }
         utils.emitSafe(this, 'global:duplicated', message);
         break;
     }
@@ -510,7 +513,7 @@ Queue.prototype._setupQueueEventListeners = function() {
 };
 
 Queue.prototype._registerEvent = function(eventName) {
-  const internalEvents = ['waiting', 'delayed'];
+  const internalEvents = ['waiting', 'delayed', 'duplicated'];
 
   if (
     eventName.startsWith('global:') ||

test/test_queue.js

@@ -1098,7 +1098,7 @@ describe('Queue', () => {
     });
 
     describe('when job has been added again', () => {
-      it('emits duplicated event', async () => {
+      it('emits global duplicated event', async () => {
         queue.process(
           async () => {
             await delay(50);
@@ -1116,6 +1116,25 @@ describe('Queue', () => {
           });
         });
       });
+
+      it('emits duplicated event', async () => {
+        queue.process(
+          async () => {
+            await delay(50);
+            await queue.add({ foo: 'bar' }, { jobId: 'a1' });
+            await delay(50);
+          }
+        );
+  
+        await queue.add({ foo: 'bar' }, { jobId: 'a1' });
+    
+        await new Promise(resolve => {
+          queue.once('duplicated', (jobId) => {
+            expect(jobId).to.be.equal('a1');
+            resolve();
+          });
+        });
+      });
     });
 
     it('process a job that updates progress', done => {