[12.x] Allow naming queued closures

src/Illuminate/Queue/CallQueuedClosure.php

@@ -22,6 +22,13 @@ class CallQueuedClosure implements ShouldQueue
      */
     public $closure;
 
+    /**
+     * The name assigned to the job.
+     *
+     * @var string|null
+     */
+    public $name = null;
+
     /**
      * The callbacks that should be executed on failure.
      *
@@ -105,6 +112,21 @@ public function displayName()
     {
         $reflection = new ReflectionFunction($this->closure->getClosure());
 
-        return 'Closure ('.basename($reflection->getFileName()).':'.$reflection->getStartLine().')';
+        $prefix = is_null($this->name) ? '' : "{$this->name} - ";
+
+        return $prefix.'Closure ('.basename($reflection->getFileName()).':'.$reflection->getStartLine().')';
+    }
+
+    /**
+     * Assign a name to the job.
+     *
+     * @param  string  $name
+     * @return $this
+     */
+    public function name($name)
+    {
+        $this->name = $name;
+
+        return $this;
     }
 }

tests/Integration/Queue/JobDispatchingTest.php

@@ -166,6 +166,24 @@ public function testQueueMayBeNullForJobQueueingAndJobQueuedEvent()
         $this->assertNull($events[3]->queue);
     }
 
+    public function testQueuedClosureCanBeNamed()
+    {
+        Config::set('queue.default', 'database');
+        $events = [];
+        $this->app['events']->listen(function (JobQueued $e) use (&$events) {
+            $events[] = $e;
+        });
+
+        dispatch(function () {
+            //
+        })->name('custom name');
+
+        $this->assertCount(1, $events);
+        $this->assertInstanceOf(JobQueued::class, $events[0]);
+        $this->assertSame('custom name', $events[0]->job->name);
+        $this->assertStringContainsString('custom name', $events[0]->job->displayName());
+    }
+
     public function testCanDisableDispatchingAfterResponse()
     {
         Job::dispatchAfterResponse('test');