Issue #7: Implemented unit tests, cs-check, static analysis.

.github/workflows/cs-tests.yml

@@ -0,0 +1,46 @@
+on:
+  - push
+
+name: Run phpcs checks
+
+jobs:
+  mutation:
+    name: PHP ${{ matrix.php }}-${{ matrix.os }}
+
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+
+        php:
+          - "8.1"
+          - "8.2"
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Install PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "${{ matrix.php }}"
+          tools: composer:v2, cs2pr
+          coverage: none
+
+      - name: Determine composer cache directory
+        run: echo "COMPOSER_CACHE_DIR=$(composer config cache-dir)" >> $GITHUB_ENV
+
+      - name: Cache dependencies installed with composer
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.COMPOSER_CACHE_DIR }}
+          key: php${{ matrix.php }}-composer-${{ hashFiles('**/composer.json') }}
+          restore-keys: |
+            php${{ matrix.php }}-composer-
+      - name: Install dependencies with composer
+        run: composer update --prefer-dist --no-interaction --no-progress --optimize-autoloader --ansi
+
+      - name: Run phpcs checks
+        run: vendor/bin/phpcs

.github/workflows/static-analysis.yml

@@ -0,0 +1,46 @@
+on:
+  - push
+
+name: Run static analysis
+
+jobs:
+  mutation:
+    name: PHP ${{ matrix.php }}-${{ matrix.os }}
+
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+
+        php:
+          - "8.1"
+          - "8.2"
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Install PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "${{ matrix.php }}"
+          tools: composer:v2, cs2pr
+          coverage: none
+
+      - name: Determine composer cache directory
+        run: echo "COMPOSER_CACHE_DIR=$(composer config cache-dir)" >> $GITHUB_ENV
+
+      - name: Cache dependencies installed with composer
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.COMPOSER_CACHE_DIR }}
+          key: php${{ matrix.php }}-composer-${{ hashFiles('**/composer.json') }}
+          restore-keys: |
+            php${{ matrix.php }}-composer-
+      - name: Install dependencies with composer
+        run: composer update --prefer-dist --no-interaction --no-progress --optimize-autoloader --ansi
+
+      - name: Run static analysis
+        run: vendor/bin/psalm --no-cache --output-format=github --show-info=false --threads=4

.github/workflows/unit-tests.yml

@@ -0,0 +1,47 @@
+on:
+  - push
+
+name: Run PHPUnit tests
+
+jobs:
+  mutation:
+    name: PHP ${{ matrix.php }}-${{ matrix.os }}
+
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+
+        php:
+          - "8.1"
+          - "8.2"
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Install PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "${{ matrix.php }}"
+          tools: composer:v2, cs2pr
+          coverage: none
+
+      - name: Determine composer cache directory
+        run: echo "COMPOSER_CACHE_DIR=$(composer config cache-dir)" >> $GITHUB_ENV
+
+      - name: Cache dependencies installed with composer
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.COMPOSER_CACHE_DIR }}
+          key: php${{ matrix.php }}-composer-${{ hashFiles('**/composer.json') }}
+          restore-keys: |
+            php${{ matrix.php }}-composer-
+
+      - name: Install dependencies with composer
+        run: composer install --prefer-dist --no-interaction --no-progress --optimize-autoloader --ansi
+
+      - name: Run PHPUnit tests
+        run: vendor/bin/phpunit --colors=always

.gitignore

@@ -1 +1,6 @@
+composer.phar
+/vendor/
+.phpcs-cache
 .idea
+composer.lock
+.phpunit.result.cache

composer.json

@@ -19,15 +19,41 @@
     "mezzio"
   ],
   "require": {
-    "php": "~7.4.0 || ~8.0.0 || ~8.1.0"
+    "php": "~8.1.0 || ~8.2.0",
+    "mezzio/mezzio-router": "^3.16",
+    "psr/http-client": "^1.0",
+    "psr/http-message": "^2.0"
   },
   "require-dev": {
-    "phpunit/phpunit": "^9.5.20",
-    "squizlabs/php_codesniffer": "^3.6.2"
+    "phpunit/phpunit": "^10.2",
+    "laminas/laminas-coding-standard": "^2.5",
+    "vimeo/psalm": "^5.13"
   },
   "autoload": {
     "psr-4": {
       "Dot\\ResponseHeader\\": "src"
     }
+  },
+  "autoload-dev": {
+    "psr-4": {
+      "DotTest\\ResponseHeader\\": "tests/"
+    }
+  },
+  "scripts": {
+    "check": [
+      "@cs-check",
+      "@test"
+    ],
+    "cs-check": "phpcs",
+    "cs-fix": "phpcbf",
+    "test": "phpunit --colors=always",
+    "test-coverage": "phpunit --colors=always --coverage-clover clover.xml",
+    "static-analysis": "psalm --shepherd --stats"
+  },
+  "config": {
+    "allow-plugins": {
+      "dealerdirect/phpcodesniffer-composer-installer": true
+    },
+    "sort-packages": true
   }
-}
+}

phpcs.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0"?>
+<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="vendor/squizlabs/php_codesniffer/phpcs.xsd">
+
+    <arg name="basepath" value="."/>
+    <arg name="cache" value=".phpcs-cache"/>
+    <arg name="colors"/>
+    <arg name="extensions" value="php"/>
+    <arg name="parallel" value="80"/>
+
+    <!-- Show progress -->
+    <arg value="p"/>
+
+    <!-- Paths to check -->
+    <file>config</file>
+    <file>src</file>
+    <file>tests</file>
+
+    <!-- Include all rules from the Laminas Coding Standard -->
+    <rule ref="LaminasCodingStandard"/>
+</ruleset>

phpunit.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.2/phpunit.xsd" bootstrap="./vendor/autoload.php" colors="true">
+    <testsuites>
+        <testsuite name="dot-response-header Test Suite">
+            <directory>./tests</directory>
+        </testsuite>
+    </testsuites>
+    <coverage/>
+    <source>
+        <include>
+            <directory suffix=".php">./src</directory>
+        </include>
+    </source>
+</phpunit>

psalm.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0"?>
+<psalm
+    errorLevel="4"
+    resolveFromConfigFile="true"
+    findUnusedCode="false"
+    findUnusedBaselineEntry="true"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="https://getpsalm.org/schema/config"
+    xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
+>
+    <projectFiles>
+        <directory name="src" />
+        <ignoreFiles>
+            <directory name="vendor" />
+        </ignoreFiles>
+    </projectFiles>
+</psalm>

src/ConfigProvider.php

@@ -1,30 +1,21 @@
 <?php
 
+declare(strict_types=1);
 
 namespace Dot\ResponseHeader;
 
 use Dot\ResponseHeader\Factory\ResponseHeaderMiddlewareFactory;
 use Dot\ResponseHeader\Middleware\ResponseHeaderMiddleware;
 
-/**
- * Class ConfigProvider
- * @package Dot\ResponseHeader
- */
 class ConfigProvider
 {
-    /**
-     * @return array
-     */
     public function __invoke(): array
     {
         return [
             'dependencies' => $this->getDependencies(),
         ];
     }
 
-    /**
-     * @return array
-     */
     public function getDependencies(): array
     {
         return [
@@ -33,4 +24,4 @@ public function getDependencies(): array
             ],
         ];
     }
-}
+}

src/Factory/ResponseHeaderMiddlewareFactory.php

@@ -1,23 +1,16 @@
 <?php
 
+declare(strict_types=1);
 
 namespace Dot\ResponseHeader\Factory;
 
 use Dot\ResponseHeader\Middleware\ResponseHeaderMiddleware;
 use Psr\Container\ContainerInterface;
 
-/**
- * Class ResponseHeaderMiddlewareFactory
- * @package Dot\ResponseHeader\Factory
- */
 class ResponseHeaderMiddlewareFactory
 {
-    /**
-     * @param ContainerInterface $container
-     * @return ResponseHeaderMiddleware
-     */
     public function __invoke(ContainerInterface $container): ResponseHeaderMiddleware
     {
         return new ResponseHeaderMiddleware($container->get('config')['dot_response_headers'] ?? []);
     }
-}
+}

src/Middleware/ResponseHeaderMiddleware.php

@@ -1,69 +1,56 @@
 <?php
 
+declare(strict_types=1);
 
 namespace Dot\ResponseHeader\Middleware;
 
-
 use Mezzio\Router\RouteResult;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Http\Server\MiddlewareInterface;
 use Psr\Http\Server\RequestHandlerInterface;
 
+use function array_key_exists;
+
 class ResponseHeaderMiddleware implements MiddlewareInterface
 {
     private const ALL_ROUTES = '*';
 
-    /** @var array $config */
     private array $config;
 
-    /**
-     * ResponseHeaderMiddleware constructor.
-     * @param array $config
-     */
     public function __construct(array $config)
     {
         $this->config = $config;
     }
 
-    /**
-     * @param ServerRequestInterface $request
-     * @param RequestHandlerInterface $handler
-     * @return ResponseInterface
-     */
     public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
     {
         $response = $handler->handle($request);
         if (empty($this->config)) {
             return $response;
         }
 
-        $response = $this->addHeaders($response, self::ALL_ROUTES);
+        $response    = $this->addHeaders($response, self::ALL_ROUTES);
         $routeResult = $request->getAttribute(RouteResult::class);
         if ($routeResult instanceof RouteResult && $routeResult->isSuccess()) {
             $response = $this->addHeaders($response, $routeResult->getMatchedRouteName());
         }
         return $response;
     }
 
-    /**
-     * @param ResponseInterface $response
-     * @param string $route
-     * @return ResponseInterface
-     */
-    private function addHeaders(ResponseInterface $response, string $route): ResponseInterface
+    public function addHeaders(ResponseInterface $response, string $route): ResponseInterface
     {
         if (array_key_exists($route, $this->config)) {
             foreach ($this->config[$route] as $header => $data) {
                 if (! array_key_exists('value', $data)) {
                     continue;
                 }
-                $overwrite = (isset($data['overwrite']) && $data['overwrite'] === true) ? true : false;
+                $overwrite = isset($data['overwrite']) && $data['overwrite'] === true ? true : false;
                 if ($overwrite) {
                     $response = $response->withHeader($header, $data['value']);
                 }
             }
         }
         return $response;
     }
-}
+}