[5.6] Added test helper to assert that a Job has been queued with a Chain

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

@@ -34,6 +34,59 @@ public function assertPushed($job, $callback = null)
         );
     }
 
+    /**
+     * Assert if a job was pushed with chained jobs based on a truth-test callback.
+     *
+     * @param  string $job
+     * @param  array $expectedChain
+     * @param  callable|null $callback
+     * @return void
+     */
+    public function assertPushedWithChain($job, $expectedChain = [], $callback = null)
+    {
+        PHPUnit::assertTrue(
+            $this->pushed($job, $callback)->count() > 0,
+            "The expected [{$job}] job was not pushed."
+        );
+
+        PHPUnit::assertTrue(
+            collect($expectedChain)->count() > 0,
+            "The expected chain can not be empty."
+        );
+
+        $isExpectedChainOfObjects = collect($expectedChain)
+                ->filter(function ($job) { return is_object($job); })
+                ->count() == collect($expectedChain)->count();
+
+        if ($isExpectedChainOfObjects)
+        {
+            $chain = collect($expectedChain)->map(function ($job) { return serialize($job); })->all();
+            PHPUnit::assertTrue(
+                $this->pushed($job, $callback)
+                    ->filter(function ($job) use ($chain) {
+                        return $job->chained == $chain;
+                    })->count() > 0,
+                "The expected chain was not pushed."
+            );
+
+            return;
+        }
+
+        PHPUnit::assertTrue(
+            $this->pushed($job, $callback)
+                ->map(function ($job) {
+                    return $job->chained;
+                })->map(function ($chain) {
+                    return collect($chain)->map(function ($chainedJob) {
+                        return get_class(unserialize($chainedJob));
+                    });
+                })->filter(function ($chain) use ($expectedChain) {
+                    return $chain == collect($expectedChain);
+                })->count() > 0,
+            'The expected chain was not pushed'
+        );
+    }
+
     /**
      * Assert if a job was pushed a number of times.
      *

tests/Support/SupportTestingQueueFakeTest.php

@@ -2,6 +2,7 @@
 
 namespace Illuminate\Tests\Support;
 
+use Illuminate\Bus\Queueable;
 use PHPUnit\Framework\TestCase;
 use Illuminate\Foundation\Application;
 use Illuminate\Support\Testing\Fakes\QueueFake;
@@ -101,6 +102,112 @@ public function testAssertPushedUsingBulk()
         $this->fake->assertPushedOn($queue, JobStub::class);
         $this->fake->assertPushed(JobStub::class, 2);
     }
+
+    public function testAssertPushedWithChainUsingClassesOrObjectsArray()
+    {
+        $this->fake->push(new JobWithChainStub([
+            new JobStub
+        ]));
+
+        $this->fake->assertPushedWithChain(JobWithChainStub::class, [
+            JobStub::class
+        ]);
+
+        $this->fake->assertPushedWithChain(JobWithChainStub::class, [
+            new JobStub
+        ]);
+    }
+
+    public function testAssertPushedWithChainSameJobDifferentChains()
+    {
+        $this->fake->push(new JobWithChainStub([
+            new JobStub
+        ]));
+        $this->fake->push(new JobWithChainStub([
+            new JobStub,
+            new JobStub
+        ]));
+
+        $this->fake->assertPushedWithChain(JobWithChainStub::class, [
+            JobStub::class,
+        ]);
+
+        $this->fake->assertPushedWithChain(JobWithChainStub::class, [
+            JobStub::class,
+            JobStub::class
+        ]);
+    }
+
+    public function testAssertPushedWithChainUsingCallback()
+    {
+        $this->fake->push(new JobWithChainAndParameterStub('first', [
+            new JobStub,
+            new JobStub
+        ]));
+
+        $this->fake->push(new JobWithChainAndParameterStub('second', [
+            new JobStub
+        ]));
+
+        $this->fake->assertPushedWithChain(JobWithChainAndParameterStub::class, [
+            JobStub::class
+        ], function ($job) {
+            return $job->parameter == 'second';
+        });
+
+        try {
+            $this->fake->assertPushedWithChain(JobWithChainAndParameterStub::class, [
+                JobStub::class,
+                JobStub::class,
+            ], function ($job) {
+                return $job->parameter == 'second';
+            });
+            $this->fail();
+        } catch (ExpectationFailedException $e) {
+            $this->assertThat($e, new ExceptionMessage('The expected chain was not pushed'));
+        }
+    }
+
+    public function testAssertPushedWithChainErrorHandling()
+    {
+        try {
+            $this->fake->assertPushedWithChain(JobWithChainStub::class, []);
+            $this->fail();
+        } catch (ExpectationFailedException $e) {
+            $this->assertThat($e, new ExceptionMessage('The expected [Illuminate\Tests\Support\JobWithChainStub] job was not pushed'));
+        }
+
+        $this->fake->push(new JobWithChainStub([
+            new JobStub
+        ]));
+
+        try {
+            $this->fake->assertPushedWithChain(JobWithChainStub::class, []);
+            $this->fail();
+        } catch (ExpectationFailedException $e) {
+            $this->assertThat($e, new ExceptionMessage('The expected chain can not be empty'));
+        }
+
+        try {
+            $this->fake->assertPushedWithChain(JobWithChainStub::class, [
+                new JobStub,
+                new JobStub
+            ]);
+            $this->fail();
+        } catch (ExpectationFailedException $e) {
+            $this->assertThat($e, new ExceptionMessage('The expected chain was not pushed'));
+        }
+
+        try {
+            $this->fake->assertPushedWithChain(JobWithChainStub::class, [
+                JobStub::class,
+                JobStub::class
+            ]);
+            $this->fail();
+        } catch (ExpectationFailedException $e) {
+            $this->assertThat($e, new ExceptionMessage('The expected chain was not pushed'));
+        }
+    }
 }
 
 class JobStub
@@ -110,3 +217,36 @@ public function handle()
         //
     }
 }
+
+class JobWithChainStub
+{
+    use Queueable;
+
+    function __construct($chain)
+    {
+        $this->chain($chain);
+    }
+
+    public function handle()
+    {
+        //
+    }
+}
+
+class JobWithChainAndParameterStub
+{
+    use Queueable;
+
+    public $parameter;
+
+    function __construct($parameter, $chain)
+    {
+        $this->parameter = $parameter;
+        $this->chain($chain);
+    }
+
+    public function handle()
+    {
+        //
+    }
+}