VSVGVQ-106 Add unit test for QuestionAskedListener.

tests/Quiz/EventListeners/QuestionAskedListenerTest.php

@@ -0,0 +1,59 @@
+<?php declare(strict_types=1);
+
+namespace VSV\GVQ_API\Quiz\EventListeners;
+
+use Broadway\Domain\DomainMessage;
+use Broadway\Domain\Metadata;
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+use VSV\GVQ_API\Factory\ModelsFactory;
+use VSV\GVQ_API\Quiz\Repositories\CurrentQuestionRepository;
+
+class QuestionAskedListenerTest extends TestCase
+{
+    /**
+     * @var CurrentQuestionRepository|MockObject
+     */
+    private $currentQuestionRepository;
+
+    /**
+     * @var QuestionAskedListener
+     */
+    private $questionAskedListener;
+
+    protected function setUp(): void
+    {
+        /** @var CurrentQuestionRepository|MockObject $currentQuestionRepository */
+        $currentQuestionRepository = $this->createMock(CurrentQuestionRepository::class);
+        $this->currentQuestionRepository = $currentQuestionRepository;
+
+        $this->questionAskedListener = new QuestionAskedListener(
+            $this->currentQuestionRepository
+        );
+    }
+
+    /**
+     * @test
+     * @throws \Exception
+     */
+    public function it_handles_question_asked(): void
+    {
+        $questionAsked = ModelsFactory::createQuestionAsked();
+
+        $domainMessage = DomainMessage::recordNow(
+            $questionAsked->getId(),
+            0,
+            new Metadata(),
+            $questionAsked
+        );
+
+        $this->currentQuestionRepository->expects($this->once())
+            ->method('save')
+            ->with(
+                $questionAsked->getId(),
+                $questionAsked->getQuestion()
+            );
+
+        $this->questionAskedListener->handle($domainMessage);
+    }
+}