[13.x] Implement creationTimeOfOldestPendingJob on the QueueFake

src/Illuminate/Support/Testing/Fakes/QueueFake.php

@@ -12,6 +12,7 @@
 use Illuminate\Queue\CallQueuedClosure;
 use Illuminate\Queue\Jobs\InspectedJob;
 use Illuminate\Queue\QueueManager;
+use Illuminate\Support\Carbon;
 use Illuminate\Support\Collection;
 use Illuminate\Support\Str;
 use Illuminate\Support\Traits\ReflectsClosures;
@@ -573,7 +574,7 @@ protected function inspectJobs(array $jobs): Collection
                     : $data['job'],
                 attempts: 0,
                 payload: [],
-                createdAt: null,
+                createdAt: isset($data['createdAt']) ? Carbon::createFromTimestamp($data['createdAt']) : null,
             ));
     }
 
@@ -595,7 +596,10 @@ public function allReservedJobs(): Collection
      */
     public function creationTimeOfOldestPendingJob($queue = null)
     {
-        return null;
+        return (new Collection($this->jobs))
+            ->flatten(1)
+            ->whereStrict('queue', enum_value($queue))
+            ->min('createdAt');
     }
 
     /**
@@ -623,6 +627,7 @@ public function push($job, $data = '', $queue = null)
                 'job' => $this->serializeAndRestore ? $this->serializeAndRestoreJob($job) : $job,
                 'queue' => $queue,
                 'data' => $data,
+                'createdAt' => Carbon::now()->getTimestamp(),
             ];
 
             if ($job instanceof ShouldBeUnique) {
@@ -711,6 +716,7 @@ public function later($delay, $job, $data = '', $queue = null)
             $this->delayed[is_object($job) ? get_class($job) : $job][] = [
                 'job' => $job,
                 'queue' => enum_value($queue),
+                'createdAt' => Carbon::now()->getTimestamp(),
             ];
         }
 
@@ -762,6 +768,7 @@ public function reserve($job, $queue = null)
         $this->reserved[is_object($job) ? get_class($job) : $job][] = [
             'job' => $this->serializeAndRestore ? $this->serializeAndRestoreJob($job) : $job,
             'queue' => $queue,
+            'createdAt' => Carbon::now()->getTimestamp(),
         ];
     }
 

tests/Support/SupportTestingQueueFakeTest.php

@@ -8,6 +8,7 @@
 use Illuminate\Queue\CallQueuedClosure;
 use Illuminate\Queue\Jobs\InspectedJob;
 use Illuminate\Queue\QueueManager;
+use Illuminate\Support\Carbon;
 use Illuminate\Support\Testing\Fakes\QueueFake;
 use Mockery as m;
 use PHPUnit\Framework\ExpectationFailedException;
@@ -650,6 +651,23 @@ public function testDelayedJobsAreStillPushed()
         $this->fake->assertPushedOn('foo', JobStub::class);
     }
 
+    public function testCreationTimeOfOldestPendingJob()
+    {
+        Carbon::setTestNow($now = Carbon::now());
+
+        $this->assertNull($this->fake->creationTimeOfOldestPendingJob('foo'));
+
+        $this->fake->push($this->job, '', 'foo');
+
+        Carbon::setTestNow($now->copy()->addMinutes(5));
+
+        $this->fake->push(new JobToFakeStub, '', 'foo');
+
+        $this->assertSame($now->getTimestamp(), $this->fake->creationTimeOfOldestPendingJob('foo'));
+
+        Carbon::setTestNow();
+    }
+
     public function testReservedJobs()
     {
         $this->fake->reserve($this->job, 'foo');