Merge pull request 'api-erstellen' (#1) from api-erstellen into master

Reviewed-on: #1

.gitignore

@@ -105,3 +105,4 @@ Temporary Items
 /api/vendor/
 /api/tests/_*
 /api/tests/*.suite.yml
+/api/.env

api/.env

@@ -1,5 +0,0 @@
-## Datenbank-Einstellungen
-DATABASES_HOST=psql.torsten-hettstedt.net
-DATABASES_NAME=torsten
-DATABASES_USER=web_user
-DATABASES_PASS=V6ZGhtdXEbxH8oWD

api/.env.example

@@ -0,0 +1,5 @@
+## Datenbank-Einstellungen
+DATABASES_HOST=psql.domain.tld
+DATABASES_NAME=db
+DATABASES_USER=user
+DATABASES_PASS=1234

api/Dockerfile

@@ -1,6 +1,5 @@
 FROM php:8.0-apache
 
-#RUN apt update && apt install -y postgresql postgresql-client
 RUN apt update && apt install -y libpq-dev
 RUN docker-php-ext-install -j$(nproc) pdo pdo_pgsql
 

api/html/index.php

@@ -8,6 +8,7 @@ use DI\Container;
 use Slim\Factory\AppFactory;
 use Slim\Routing\RouteCollectorProxy;
 use TorstenHettstedt\TimekeepingApi\Controller\WorkingHoursController;
+use TorstenHettstedt\TimekeepingApi\Controller\WorkingHoursViewController;
 use TorstenHettstedt\TimekeepingApi\Middleware\ErrorHandler;
 use TorstenHettstedt\TimekeepingApi\Middleware\JsonBodyParserMiddleware;
 
@@ -22,25 +23,11 @@ AppFactory::setContainer($container);
 $app = AppFactory::create();
 $app->add(new JsonBodyParserMiddleware());
 
-$app->get(
+$app->group('/views/working-hours', function (RouteCollectorProxy $group) {
-    '/',
+    $group->get('/weekly', WorkingHoursViewController::class . ':browseWeekly');
-    'TorstenHettstedt\TimekeepingApi\Controller\HelloWorldController:read'
+    $group->get('/monthly', WorkingHoursViewController::class . ':browseMonthly');
-);
+    $group->get('/yearly', WorkingHoursViewController::class . ':browseYearly');
-
+});
-$app->get(
-    '/views/working-hours/weekly',
-    'TorstenHettstedt\TimekeepingApi\Controller\WorkingHoursViewController:browseWeekly'
-);
-
-$app->get(
-    '/views/working-hours/monthly',
-    'TorstenHettstedt\TimekeepingApi\Controller\WorkingHoursViewController:browseMonthly'
-);
-
-$app->get(
-    '/views/working-hours/yearly',
-    'TorstenHettstedt\TimekeepingApi\Controller\WorkingHoursViewController:browseYearly'
-);
 
 $app->group('/working-hours', function (RouteCollectorProxy $group) {
     $group->get('', WorkingHoursController::class . ':browse');

api/src/Controller/AbstractController.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace TorstenHettstedt\TimekeepingApi\Controller;
+
+use JsonSerializable;
+use PDO;
+use Psr\Container\ContainerInterface;
+use Slim\Psr7\Response;
+
+abstract class AbstractController
+{
+
+    protected PDO $databases;
+
+    /**
+     * WorkingHoursController constructor.
+     *
+     * @param ContainerInterface $container
+     *
+     * @throws NotDatabasesException
+     */
+    public function __construct(ContainerInterface $container)
+    {
+        if ($container->has('databases') === false) {
+            throw new NotDatabasesException('Datenbank ist nicht Vorhanden');
+        }
+        $this->databases = $container->get('databases');
+    }
+
+    /**
+     * @param Response                            $response
+     * @param JsonSerializable|JsonSerializable[] $data
+     * @param int                                 $status_code
+     *
+     * @return Response
+     */
+    protected function printResponse(Response $response, mixed $data, int $status_code): Response {
+        $payload = json_encode($data);
+
+        $response->getBody()->write($payload);
+
+        return $response
+            ->withHeader('Content-Type', 'application/json')
+            ->withStatus($status_code);
+    }
+
+}

api/src/Controller/HelloWorldController.php

@@ -1,30 +0,0 @@
-<?php /** @noinspection PhpUnused */
-
-
-namespace TorstenHettstedt\TimekeepingApi\Controller;
-
-use Slim\Psr7\Response;
-use Slim\Psr7\Request;
-
-class HelloWorldController
-{
-    /**
-     * @param Request  $request
-     * @param Response $response
-     * @param mixed[]  $args
-     *
-     * @return Response
-     *
-     * @noinspection PhpUnusedParameterInspection
-     */
-    public function read(Request $request, Response $response, array $args): Response
-    {
-        $payload = json_encode('Hallo World');
-
-        $response->getBody()->write($payload);
-
-        return $response
-            ->withHeader('Content-Type', 'application/json')
-            ->withStatus(200);
-    }
-}

api/src/Controller/HttpConflictRequestException.php

@@ -1,4 +1,4 @@
-<?php
+<?php /** @noinspection PhpMissingFieldTypeInspection */
 
 namespace TorstenHettstedt\TimekeepingApi\Controller;
 
@@ -6,16 +6,15 @@ use Slim\Exception\HttpSpecializedException;
 
 class HttpConflictRequestException extends HttpSpecializedException
 {
-    /**
+    /** @var int */
-     * @var int
-     */
     protected $code = 409;
 
-    /**
+    /** @var string */
-     * @var string
-     */
     protected $message = 'Conflict.';
 
+    /** @var string  */
     protected $title = '409 Conflict';
+
+    /** @var string  */
     protected $description = 'The 409 (Conflict) status code indicates that the request could not be completed due to a conflict with the current state of the target resource.';
 }

api/src/Controller/WorkingHoursController.php

@@ -2,45 +2,23 @@
 
 namespace TorstenHettstedt\TimekeepingApi\Controller;
 
-
 use DateInterval;
 use DateTime;
 use Exception;
 use Fig\Http\Message\StatusCodeInterface;
-use PDO;
-use Psr\Container\ContainerInterface;
 use Slim\Exception\HttpBadRequestException;
 use Slim\Exception\HttpInternalServerErrorException;
 use Slim\Exception\HttpNotFoundException;
 use Slim\Psr7\Request;
 use Slim\Psr7\Response;
 use TorstenHettstedt\TimekeepingApi\Models\WorkingHours;
-use TorstenHettstedt\TimekeepingApi\Repositories\RepositoryModelAlreadyExists;
+use TorstenHettstedt\TimekeepingApi\Repositories\RepositoryRecordAlreadyExistException;
 use TorstenHettstedt\TimekeepingApi\Repositories\RepositoryRecordNotFoundException;
 use TorstenHettstedt\TimekeepingApi\Repositories\WorkingHoursRepository;
 
-class WorkingHoursController
+class WorkingHoursController extends AbstractController
 {
 
-    protected PDO                $databases;
-    protected ContainerInterface $container;
-
-    /**
-     * WorkingHoursController constructor.
-     *
-     * @param ContainerInterface $container
-     *
-     * @throws NotDatabasesException
-     */
-    public function __construct(ContainerInterface $container)
-    {
-        $this->container = $container;
-        if ($this->container->has('databases') === false) {
-            throw new NotDatabasesException('Datenbank ist nicht Vorhanden');
-        }
-        $this->databases = $this->container->get('databases');
-    }
-
     /**
      * @param Request  $request
      * @param Response $response
@@ -71,13 +49,17 @@ class WorkingHoursController
      *
      * @return Response
      *
-     * @throws Exception
+     * @throws HttpInternalServerErrorException
      * @noinspection PhpUnusedParameterInspection
      */
     public function browse(Request $request, Response $response, array $args): Response
     {
         $repository = new WorkingHoursRepository($this->databases);
+        try {
             return $this->printResponse($response, $repository->findAll(), StatusCodeInterface::STATUS_OK);
+        } catch (Exception $exception) {
+            throw new HttpInternalServerErrorException($request, 'Der Wert für das Datum oder die Zeit ist falsch in der Datenbank', $exception);
+        }
     }
 
     /**
@@ -121,7 +103,7 @@ class WorkingHoursController
         $model = $this->buildModel($request, $body['workingDay'], $body['workingTime']);
         try {
             $repository->insert($model);
-        } catch (RepositoryModelAlreadyExists $exception) {
+        } catch (RepositoryRecordAlreadyExistException $exception) {
             throw new HttpConflictRequestException($request, 'Der Eintrag ist schon vorhanden.', $exception);
         } catch (Exception $exception) {
             throw new HttpInternalServerErrorException($request, 'Der Wert für das Datum oder die Zeit ist falsch in der Datenbank', $exception);
@@ -129,24 +111,6 @@ class WorkingHoursController
         return $this->printResponse($response, $model, StatusCodeInterface::STATUS_CREATED);
     }
 
-    /**
-     * @param Response $response
-     * @param mixed    $data
-     * @param int      $status_code
-     *
-     * @return Response
-     */
-    protected function printResponse(Response $response, mixed $data, int $status_code): Response
-    {
-        $payload = json_encode($data);
-
-        $response->getBody()->write($payload);
-
-        return $response
-            ->withHeader('Content-Type', 'application/json')
-            ->withStatus($status_code);
-    }
-
     /**
      * @param Request $request
      * @param string  $date

api/src/Controller/WorkingHoursViewController.php

@@ -4,25 +4,16 @@ namespace TorstenHettstedt\TimekeepingApi\Controller;
 
 
 use Exception;
-use Psr\Container\ContainerInterface;
+use Fig\Http\Message\StatusCodeInterface;
+use Slim\Exception\HttpInternalServerErrorException;
 use Slim\Psr7\Request;
 use Slim\Psr7\Response;
-use TorstenHettstedt\TimekeepingApi\Models\WorkingHoursView;
 use TorstenHettstedt\TimekeepingApi\Repositories\WorkingHoursMonthlyViewRepository;
 use TorstenHettstedt\TimekeepingApi\Repositories\WorkingHoursWeeklyViewRepository;
 use TorstenHettstedt\TimekeepingApi\Repositories\WorkingHoursYearlyViewRepository;
 
-class WorkingHoursViewController
+class WorkingHoursViewController extends AbstractController
 {
-    /**
-     * @var ContainerInterface
-     */
-    protected ContainerInterface $container;
-
-    public function __construct(ContainerInterface $container) {
-        $this->container = $container;
-    }
-
     /**
      * @param Request  $request
      * @param Response $response
@@ -30,17 +21,18 @@ class WorkingHoursViewController
      *
      * @return Response
      *
+     * @throws HttpInternalServerErrorException
      * @noinspection PhpUnusedParameterInspection
-     * @throws NotDatabasesException
-     * @throws Exception
      */
     public function browseWeekly(Request $request, Response $response, array $args): Response
     {
-        if ($this->container->has('databases') === false) {
+        $repository = new WorkingHoursWeeklyViewRepository($this->databases);
-            throw new NotDatabasesException('Datenbank ist nicht Vorhanden');
+        try {
+            return $this->printResponse($response, $repository->findAll(), StatusCodeInterface::STATUS_OK);
+        } catch (Exception $exception) {
+            throw new HttpInternalServerErrorException($request,
+                'Der Wert für das Datum oder die Zeit ist falsch in der Datenbank', $exception);
         }
-        $repository = new WorkingHoursWeeklyViewRepository($this->container->get('databases'));
-        return $this->printResponse($response, $repository->findAll());
     }
 
     /**
@@ -50,16 +42,18 @@ class WorkingHoursViewController
      *
      * @return Response
      *
+     * @throws HttpInternalServerErrorException
      * @noinspection PhpUnusedParameterInspection
-     * @throws Exception
      */
     public function browseMonthly(Request $request, Response $response, array $args): Response
     {
-        if ($this->container->has('databases') === false) {
+        $repository = new WorkingHoursMonthlyViewRepository($this->databases);
-            throw new NotDatabasesException('Datenbank ist nicht Vorhanden');
+        try {
+            return $this->printResponse($response, $repository->findAll(), StatusCodeInterface::STATUS_OK);
+        } catch (Exception $exception) {
+            throw new HttpInternalServerErrorException($request,
+                'Der Wert für das Datum oder die Zeit ist falsch in der Datenbank', $exception);
         }
-        $repository = new WorkingHoursMonthlyViewRepository($this->container->get('databases'));
-        return $this->printResponse($response, $repository->findAll());
     }
 
     /**
@@ -69,33 +63,18 @@ class WorkingHoursViewController
      *
      * @return Response
      *
+     * @throws HttpInternalServerErrorException
      * @noinspection PhpUnusedParameterInspection
-     * @throws Exception
      */
     public function browseYearly(Request $request, Response $response, array $args): Response
     {
-        if ($this->container->has('databases') === false) {
+        $repository = new WorkingHoursYearlyViewRepository($this->databases);
-            throw new NotDatabasesException('Datenbank ist nicht Vorhanden');
+        try {
+            return $this->printResponse($response, $repository->findAll(), StatusCodeInterface::STATUS_OK);
+        } catch (Exception $exception) {
+            throw new HttpInternalServerErrorException($request,
+                'Der Wert für das Datum oder die Zeit ist falsch in der Datenbank', $exception);
         }
-        $repository = new WorkingHoursYearlyViewRepository($this->container->get('databases'));
-        return $this->printResponse($response, $repository->findAll());
-    }
-
-    /**
-     * @param Response $response
-     * @param WorkingHoursView[]    $data
-     *
-     * @return Response
-     */
-    protected function printResponse( Response $response, array $data): Response
-    {
-        $payload = json_encode($data);
-
-        $response->getBody()->write($payload);
-
-        return $response
-            ->withHeader('Content-Type', 'application/json')
-            ->withStatus(200);
     }
 
 }

api/src/Middleware/ErrorHandler.php

@@ -1,9 +1,10 @@
-<?php
+<?php /** @noinspection PhpUndefinedClassInspection */
 
 
 namespace TorstenHettstedt\TimekeepingApi\Middleware;
 
 
+use JetBrains\PhpStorm\ArrayShape;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Log\LoggerInterface;
@@ -30,7 +31,13 @@ class ErrorHandler
      *
      * @return mixed[]
      */
-    protected function buildJsonArray(Throwable $exception): array
+    #[ArrayShape([
+        'timestamp' => "false|string",
+        'status'    => "int",
+        "error"     => "string",
+        'message'   => "string",
+        'path'      => "string"
+    ])] protected function buildJsonArray(Throwable $exception): array
     {
         $payload = [
             'timestamp' => date('Y-m-d\TH:m:sP'),

api/src/Repositories/RepositoryModelAlreadyExists.php

@@ -1,10 +0,0 @@
-<?php
-
-
-namespace TorstenHettstedt\TimekeepingApi\Repositories;
-
-
-class RepositoryModelAlreadyExists extends RepositoryException
-{
-
-}

api/src/Repositories/RepositoryRecordAlreadyExistException.php

@@ -0,0 +1,10 @@
+<?php
+
+
+namespace TorstenHettstedt\TimekeepingApi\Repositories;
+
+
+class RepositoryRecordAlreadyExistException extends RepositoryException
+{
+
+}

api/src/Repositories/RepositoryWriterInterface.php

@@ -11,7 +11,7 @@ interface RepositoryWriterInterface
     /**
      * @param T $model
      *
-     * @throws RepositoryModelAlreadyExists
+     * @throws RepositoryRecordAlreadyExistException
      */
     public function insert(mixed $model): void;
 

api/src/Repositories/WorkingHoursRepository.php

@@ -85,7 +85,7 @@ class WorkingHoursRepository implements RepositoryReaderInterface, RepositoryWri
     /**
      * @param WorkingHours|ModelInterface $model
      *
-     * @throws RepositoryModelAlreadyExists
+     * @throws RepositoryRecordAlreadyExistException
      * @throws Exception
      */
     public function insert(mixed $model): void
@@ -99,7 +99,7 @@ class WorkingHoursRepository implements RepositoryReaderInterface, RepositoryWri
 
         try {
             $this->findByKey($workingDay);
-            throw new RepositoryModelAlreadyExists();
+            throw new RepositoryRecordAlreadyExistException();
         } /** @noinspection PhpUnusedLocalVariableInspection */
         catch (RepositoryRecordNotFoundException $exception) {
             $stmt = $this->database->prepare('insert into  public."Arbeitszeiten" ("Datum", "Arbeitszeit") values (?, ?) on conflict do nothing');

api/tests/unit/Controller/WorkingHoursControllerTest.php

@@ -0,0 +1,222 @@
+<?php
+
+namespace TorstenHettstedt\TimekeepingApi\Tests\Unit\Controller;
+
+use Codeception\Test\Unit;
+use Exception;
+use PDO;
+use Psr\Container\ContainerInterface;
+use Psr\Http\Message\StreamInterface;
+use Slim\Exception\HttpBadRequestException;
+use Slim\Exception\HttpInternalServerErrorException;
+use Slim\Exception\HttpNotFoundException;
+use Slim\Psr7\Request;
+use Slim\Psr7\Response;
+use TorstenHettstedt\TimekeepingApi\Controller\HttpConflictRequestException;
+use TorstenHettstedt\TimekeepingApi\Controller\NotDatabasesException;
+use TorstenHettstedt\TimekeepingApi\Controller\WorkingHoursController;
+
+class WorkingHoursControllerTest extends Unit
+{
+
+    const EXISTING_DATE     = '2020-01-28';
+    const EXISTING_INTERVAL = '07:20:00';
+    const NEW_DATE          = '2020-04-01';
+    const NEW_INTERVAL      = '07:59:00';
+
+    protected ContainerInterface $container;
+    protected Request $request;
+    protected Response $response;
+
+    /**
+     * @throws Exception
+     */
+    protected function _before(): void
+    {
+        parent::_before();
+        /** @noinspection SpellCheckingInspection */
+        $this->container = $this->makeEmpty(ContainerInterface::class, [
+            'has' => true,
+            'get' => new PDO('pgsql:host=psql.torsten-hettstedt.net;port=5432;dbname=testdb;user=bruce;password=mypass')
+        ]);
+        $this->request = $this->makeEmpty(Request::class, [
+                'getParsedBody' => [
+                    'workingDay'  => self::EXISTING_DATE,
+                    'workingTime' => self::EXISTING_INTERVAL,
+                ]
+        ]);
+        $this->response = $this->makeEmpty(Response::class, [
+            'getBody' => $this->makeEmpty(StreamInterface::class, [
+                'write' => function (mixed $data) {
+                    $this->assertIsString($data);
+                    $this->assertJson($data);
+                },
+            ]),
+            'withHeader' => $this->makeEmpty(Response::class, [
+                'withStatus' => $this->makeEmpty(Response::class),
+            ]),
+        ]);
+    }
+
+    /**
+     * @throws NotDatabasesException
+     * @throws Exception
+     */
+    public function testConstructWithNonDatabase(): void
+    {
+        $this->container = $this->makeEmpty(ContainerInterface::class, [
+            'has' => false
+        ]);
+        $this->expectException(NotDatabasesException::class);
+        new WorkingHoursController($this->container);
+    }
+
+    /**
+     * @throws NotDatabasesException
+     * @throws Exception
+     */
+    public function testBrowse(): void
+    {
+        $controller = new WorkingHoursController($this->container);
+        $response = $controller->browse($this->request, $this->response, []);
+        $this->assertInstanceOf(Response::class, $response);
+    }
+
+    /**
+     * @throws NotDatabasesException
+     * @throws HttpBadRequestException
+     * @throws HttpNotFoundException
+     */
+    public function testUpdateExistRecord(): void
+    {
+        $controller = new WorkingHoursController($this->container);
+        $response = $controller->update($this->request, $this->response, [
+            'id' => self::EXISTING_DATE
+        ]);
+        $this->assertInstanceOf(Response::class, $response);
+    }
+
+    /**
+     * @throws NotDatabasesException
+     * @throws HttpBadRequestException
+     * @throws HttpNotFoundException
+     */
+    public function testUpdateNotExistRecord(): void
+    {
+        $controller = new WorkingHoursController($this->container);
+        $this->expectException(HttpNotFoundException::class);
+        $controller->update($this->request, $this->response, [
+            'id' => self::NEW_DATE
+        ]);
+    }
+
+    /**
+     * @return string[][]
+     */
+    public function invalidDataProvider(): array
+    {
+        return [
+            [
+                self::NEW_DATE,
+                '07:59'
+            ],
+            [
+                '2020-13-33',
+                self::NEW_INTERVAL
+            ],
+        ];
+    }
+
+    /**
+     * @param string $date
+     * @param string $time
+     *
+     * @dataProvider invalidDataProvider
+     *
+     * @throws HttpBadRequestException
+     * @throws HttpConflictRequestException
+     * @throws HttpInternalServerErrorException
+     * @throws NotDatabasesException
+     * @throws Exception
+     */
+    public function testCreatInvalidData(string $date, string $time): void
+    {
+        $this->request = $this->makeEmpty(Request::class, [
+            'getParsedBody' => [
+                'workingDay'  => $date,
+                'workingTime' => $time,
+            ]
+        ]);
+        $controller = new WorkingHoursController($this->container);
+        $this->expectException(HttpBadRequestException::class);
+        $controller->creat($this->request, $this->response, []);
+    }
+
+    /**
+     * @throws HttpBadRequestException
+     * @throws NotDatabasesException
+     * @throws HttpInternalServerErrorException
+     * @throws HttpConflictRequestException
+     * @throws Exception
+     */
+    public function testCreatNewRecord(): void
+    {
+        $this->request = $this->makeEmpty(Request::class, [
+            'getParsedBody' => [
+                'workingDay'  => self::NEW_DATE,
+                'workingTime' => self::NEW_INTERVAL,
+            ]
+        ]);
+        $controller = new WorkingHoursController($this->container);
+        $response = $controller->creat($this->request, $this->response, []);
+        $this->assertInstanceOf(Response::class, $response);
+    }
+
+    /**
+     * @throws HttpBadRequestException
+     * @throws HttpConflictRequestException
+     * @throws HttpInternalServerErrorException
+     * @throws NotDatabasesException
+     * @throws Exception
+     */
+    public function testCreatExistRecord(): void
+    {
+        $this->request = $this->makeEmpty(Request::class, [
+            'getParsedBody' => [
+                'workingDay'  => self::EXISTING_DATE,
+                'workingTime' => self::EXISTING_INTERVAL,
+            ]
+        ]);
+        $controller = new WorkingHoursController($this->container);
+        $this->expectException(HttpConflictRequestException::class);
+        $controller->creat($this->request, $this->response, []);
+    }
+
+    /**
+     * @throws HttpInternalServerErrorException
+     * @throws HttpNotFoundException
+     * @throws NotDatabasesException
+     */
+    public function testReadExistRecord(): void
+    {
+        $controller = new WorkingHoursController($this->container);
+        $response = $controller->read($this->request, $this->response, [
+            'id' => self::EXISTING_DATE
+        ]);
+        $this->assertInstanceOf(Response::class, $response);
+    }
+
+    /**
+     * @throws HttpInternalServerErrorException
+     * @throws HttpNotFoundException
+     * @throws NotDatabasesException
+     */
+    public function testReadNotExistRecord(): void
+    {
+        $controller = new WorkingHoursController($this->container);
+        $this->expectException(HttpNotFoundException::class);
+        $controller->read($this->request, $this->response, [
+            'id' => self::NEW_DATE
+        ]);
+    }
+}

api/tests/unit/Controller/WorkingHoursViewControllerTest.php

@@ -0,0 +1,88 @@
+<?php
+
+namespace TorstenHettstedt\TimekeepingApi\Tests\Unit\Controller;
+
+use Codeception\Test\Unit;
+use Exception;
+use PDO;
+use Psr\Container\ContainerInterface;
+use Psr\Http\Message\StreamInterface;
+use Slim\Psr7\Request;
+use Slim\Psr7\Response;
+use TorstenHettstedt\TimekeepingApi\Controller\NotDatabasesException;
+use TorstenHettstedt\TimekeepingApi\Controller\WorkingHoursViewController;
+
+class WorkingHoursViewControllerTest extends Unit
+{
+    protected ContainerInterface $container;
+    protected Request $request;
+    protected Response $response;
+
+    /**
+     * @throws Exception
+     */
+    protected function _before(): void
+    {
+        parent::_before();
+        /** @noinspection SpellCheckingInspection */
+        $this->container = $this->makeEmpty(ContainerInterface::class, [
+            'has' => true,
+            'get' => new PDO('pgsql:host=psql.torsten-hettstedt.net;port=5432;dbname=testdb;user=bruce;password=mypass')
+        ]);
+        $this->request = $this->makeEmpty(Request::class, []);
+        $this->response = $this->makeEmpty(Response::class, [
+            'getBody' => $this->makeEmpty(StreamInterface::class, [
+                'write' => function (mixed $data) {
+                    $this->assertIsString($data);
+                    $this->assertJson($data);
+                },
+            ]),
+            'withHeader' => $this->makeEmpty(Response::class, [
+                'withStatus' => $this->makeEmpty(Response::class),
+            ]),
+        ]);
+    }
+
+    /**
+     * @throws NotDatabasesException
+     * @throws Exception
+     */
+    public function testConstructWithNonDatabase(): void
+    {
+        $this->container = $this->makeEmpty(ContainerInterface::class, [
+            'has' => false
+        ]);
+        $this->expectException(NotDatabasesException::class);
+        new WorkingHoursViewController($this->container);
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function testBrowseMonthly(): void
+    {
+        $controller = new WorkingHoursViewController($this->container);
+        $response = $controller->browseMonthly($this->request, $this->response, []);
+        $this->assertInstanceOf(Response::class, $response);
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function testBrowseYearly(): void
+    {
+        $controller = new WorkingHoursViewController($this->container);
+        $response = $controller->browseYearly($this->request, $this->response, []);
+        $this->assertInstanceOf(Response::class, $response);
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function testBrowseWeekly(): void
+    {
+        $controller = new WorkingHoursViewController($this->container);
+        $response = $controller->browseWeekly($this->request, $this->response, []);
+        $this->assertInstanceOf(Response::class, $response);
+    }
+}

api/tests/unit/Middleware/ErrorHandlerTest.php

@@ -0,0 +1,97 @@
+<?php
+
+namespace TorstenHettstedt\TimekeepingApi\Tests\Unit\Middleware;
+
+use Codeception\Stub\Expected;
+use Codeception\Test\Unit;
+use Exception;
+use Psr\Http\Message\ResponseFactoryInterface;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Message\StreamInterface;
+use Psr\Log\LoggerInterface;
+use Slim\App;
+use Slim\Exception\HttpException;
+use TorstenHettstedt\TimekeepingApi\Middleware\ErrorHandler;
+
+class ErrorHandlerTest extends Unit
+{
+
+    protected App                    $app;
+    protected ServerRequestInterface $request;
+    protected Exception              $exception;
+    protected LoggerInterface        $logger;
+
+    /**
+     * @throws Exception
+     */
+    protected function _before(): void
+    {
+        parent::_before();
+        $this->app = $this->makeEmpty(App::class, [
+            'getResponseFactory' => $this->makeEmpty(ResponseFactoryInterface::class, [
+                'createResponse' => $this->makeEmpty(ResponseInterface::class, [
+                    'getBody' => $this->makeEmpty(StreamInterface::class, [
+                        'write' => function (mixed $data) {
+                            $this->assertIsString($data);
+                            $this->assertJson($data);
+                        },
+                    ]),
+                ]),
+            ]),
+        ]);
+        $this->request = $this->makeEmpty(ServerRequestInterface::class);
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function testUseWithLogger(): void
+    {
+        $this->exception = $this->make(Exception::class, [
+            'message' => '',
+            'code'    => 400,
+            'file'    => '/path(to/file',
+        ]);
+        $this->logger = $this->makeEmpty(LoggerInterface::class, [
+            'error' => Expected::once(),
+        ]);
+
+        $middleWare = new ErrorHandler($this->app);
+        $middleWare($this->request, $this->exception, true, true, true, $this->logger);
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function testUseWithHttpException(): void
+    {
+        $this->exception = $this->make(HttpException::class, [
+            'message' => '',
+            'code'    => 400,
+            'file'    => '/path(to/file',
+            'getTitle'   => Expected::once('The Title'),
+        ]);
+        $this->logger = $this->makeEmpty(LoggerInterface::class, []);
+
+        $middleWare = new ErrorHandler($this->app);
+        $middleWare($this->request, $this->exception, true, true, true, $this->logger);
+
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function testUseWithGeneralException(): void
+    {
+        $this->exception = $this->make(Exception::class, [
+            'message' => '',
+            'code'    => 400,
+            'file'    => '/path(to/file',
+        ]);
+        $this->logger = $this->makeEmpty(LoggerInterface::class, []);
+
+        $middleWare = new ErrorHandler($this->app);
+        $middleWare($this->request, $this->exception, true, true, true, $this->logger);
+    }
+}

api/tests/unit/Repositories/WorkingHoursRepositoryTest.php

@@ -8,10 +8,9 @@ use DateTime;
 use Exception;
 use InvalidArgumentException;
 use PDO;
-use PDOStatement;
 use TorstenHettstedt\TimekeepingApi\Models\ModelInterface;
 use TorstenHettstedt\TimekeepingApi\Models\WorkingHours;
-use TorstenHettstedt\TimekeepingApi\Repositories\RepositoryModelAlreadyExists;
+use TorstenHettstedt\TimekeepingApi\Repositories\RepositoryRecordAlreadyExistException;
 use TorstenHettstedt\TimekeepingApi\Repositories\RepositoryRecordNotFoundException;
 use TorstenHettstedt\TimekeepingApi\Repositories\WorkingHoursRepository;
 
@@ -24,7 +23,6 @@ class WorkingHoursRepositoryTest extends Unit
     const RECORDS_COUNT     = 61;
 
     protected PDO          $pdoObject;
-    protected PDOStatement $pdoStatement;
 
     protected function _before(): void
     {
@@ -104,7 +102,7 @@ class WorkingHoursRepositoryTest extends Unit
             'workingDay'  => new DateTime(self::EXISTING_DATE),
             'workingTime' => new DateInterval(self::NEW_INTERVAL),
         ]);
-        $this->expectException(RepositoryModelAlreadyExists::class);
+        $this->expectException(RepositoryRecordAlreadyExistException::class);
         $repository->insert($model);
     }