* initial version

test/AppTest/Handler/HomePageHandlerFactoryTest.php

@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppTest\Handler;
+
+use App\Handler\HomePageHandler;
+use App\Handler\HomePageHandlerFactory;
+use Mezzio\Router\RouterInterface;
+use Mezzio\Template\TemplateRendererInterface;
+use PHPUnit\Framework\TestCase;
+use Prophecy\PhpUnit\ProphecyTrait;
+use Prophecy\Prophecy\ObjectProphecy;
+use Psr\Container\ContainerInterface;
+
+class HomePageHandlerFactoryTest extends TestCase
+{
+    use ProphecyTrait;
+
+    /** @var ContainerInterface|ObjectProphecy */
+    protected $container;
+
+    protected function setUp(): void
+    {
+        $this->container = $this->prophesize(ContainerInterface::class);
+        $router          = $this->prophesize(RouterInterface::class);
+
+        $this->container->get(RouterInterface::class)->willReturn($router);
+    }
+
+    public function testFactoryWithoutTemplate()
+    {
+        $factory = new HomePageHandlerFactory();
+        $this->container->has(TemplateRendererInterface::class)->willReturn(false);
+
+        $this->assertInstanceOf(HomePageHandlerFactory::class, $factory);
+
+        $homePage = $factory($this->container->reveal());
+
+        $this->assertInstanceOf(HomePageHandler::class, $homePage);
+    }
+
+    public function testFactoryWithTemplate()
+    {
+        $this->container->has(TemplateRendererInterface::class)->willReturn(true);
+        $this->container
+            ->get(TemplateRendererInterface::class)
+            ->willReturn($this->prophesize(TemplateRendererInterface::class));
+
+        $factory = new HomePageHandlerFactory();
+
+        $homePage = $factory($this->container->reveal());
+
+        $this->assertInstanceOf(HomePageHandler::class, $homePage);
+    }
+}