* initial commit

test/AppTest/Action/ShowCameraImageActionTest.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace AppTest\Action;
+
+use App\Action\ShowCameraImageAction;
+use App\Service\CameraPictureManagerService;
+use Interop\Http\ServerMiddleware\DelegateInterface;
+use PHPUnit\Framework\TestCase;
+use Prophecy\Argument;
+use Psr\Http\Message\ServerRequestInterface;
+use Zend\Diactoros\Response\JsonResponse;
+
+class ShowCameraImageActionTest extends TestCase
+{
+    const CAM_DIR = "cam1";
+    const IMG_FILE = "img1.png";
+
+    /** @var CameraPictureManagerService */
+    protected $cameraPictureManager;
+
+    protected function setUp()
+    {
+        $this->cameraPictureManager = $this->prophesize(CameraPictureManagerService::class);
+        $this->cameraPictureManager->getCameraImage(self::CAM_DIR, self::IMG_FILE)
+            ->willReturn($this->prophesize(JsonResponse::class));
+    }
+
+    public function testReturnsJsonResponse()
+    {
+        $homePage = new ShowCameraImageAction(
+            $this->cameraPictureManager->reveal()
+        );
+
+        $request = $this->prophesize(ServerRequestInterface::class);
+        $request->getAttribute('camera')
+                ->willReturn('cam1');
+        $request->getAttribute('image')
+                ->willReturn('img1.png');
+
+        $response = $homePage->process(
+            $request->reveal(),
+            $this->prophesize(DelegateInterface::class)->reveal()
+        );
+
+        $this->assertInstanceOf(JsonResponse::class, $response);
+    }
+}