Ini/Yaml/Json File Checks

composer.json

@@ -14,13 +14,15 @@
   },
   "require-dev": {
     "guzzlehttp/guzzle": "^6.3",
+    "symfony/yaml" : "~3.4|~4.0",
     "phpunit/phpunit": "^7.0",
     "orchestra/testbench": "~3.0",
     "phan/phan": "^2.2",
     "mockery/mockery": "^1.2"
   },
   "suggest": {
-    "guzzlehttp/guzzle": "^6.3"
+    "guzzlehttp/guzzle": "^6.3",
+    "symfony/yaml" : "~3.4|~4.0"
   },
   "autoload": {
     "psr-4": {

src/Checks/File/Base.php

@@ -0,0 +1,57 @@
+<?php
+namespace Health\Checks\File;
+
+use Health\Checks\BaseCheck;
+
+abstract class Base extends BaseCheck
+{
+
+    /**
+     * List of files
+     *
+     * @var array
+     */
+    protected $files = [];
+
+    /**
+     *
+     * @param array $params
+     */
+    public function __construct(array $params = [])
+    {
+        parent::__construct($params);
+
+        $this->files = $this->getParam('files', []);
+    }
+
+    /**
+     *
+     * {@inheritdoc}
+     * @see \Health\Checks\HealthCheckInterface::call()
+     */
+    public function call()
+    {
+        $builder = $this->getBuilder();
+
+        $errors = [];
+
+        foreach ($this->files as $file) {
+            if (! is_file($file) || ! $this->isValid($file)) {
+                $errors[] = $file;
+            }
+        }
+
+        if ($errors) {
+            $builder->down()->withData('errors', $errors);
+        }
+
+        return $builder->withData('files', $this->files)->build();
+    }
+
+    /**
+     *
+     * @param string $file
+     * @return boolean
+     */
+    abstract protected function isValid($file);
+}

src/Checks/File/Ini.php

@@ -0,0 +1,18 @@
+<?php
+namespace Health\Checks\File;
+
+use Health\Checks\HealthCheckInterface;
+
+class Ini extends Base implements HealthCheckInterface
+{
+
+    /**
+     *
+     * @param string $file
+     * @return boolean
+     */
+    protected function isValid($file)
+    {
+        return @parse_ini_file($file) !== false;
+    }
+}

src/Checks/File/Json.php

@@ -0,0 +1,18 @@
+<?php
+namespace Health\Checks\File;
+
+use Health\Checks\HealthCheckInterface;
+
+class Json extends Base implements HealthCheckInterface
+{
+
+    /**
+     *
+     * @param string $file
+     * @return boolean
+     */
+    protected function isValid($file)
+    {
+        return ! is_null(json_decode(@file_get_contents($file)));
+    }
+}

src/Checks/File/Yaml.php

@@ -0,0 +1,34 @@
+<?php
+namespace Health\Checks\File;
+
+use Health\Checks\HealthCheckInterface;
+use Symfony\Component\Yaml\Exception\ParseException;
+use Symfony\Component\Yaml\Parser;
+
+class Yaml extends Base implements HealthCheckInterface
+{
+
+    /**
+     *
+     * @param string $file
+     * @return boolean
+     */
+    protected function isValid($file)
+    {
+        if (function_exists('yaml_parse_file')) {
+            return (@yaml_parse_file($file) === false) ? false : true;
+        }
+
+        if (class_exists('Symfony\Component\Yaml\Parser')) {
+            try {
+                (new Parser())->parse(file_get_contents($file));
+            } catch (ParseException $e) {
+                return false;
+            }
+
+            return true;
+        }
+
+        return false;
+    }
+}

tests/Checks/CheckTestCase.php

@@ -9,7 +9,6 @@ class CheckTestCase extends \Orchestra\Testbench\TestCase
     protected function assertCheck($health, string $state = 'UP')
     {
         // dump($health);
-
         $this->assertInstanceOf(HealthCheck::class, $health);
         $this->assertNotEmpty($health->getName());
         $this->assertEquals($state, $health->getState());

tests/Checks/FileIniTest.php

@@ -0,0 +1,31 @@
+<?php
+namespace Tests\Checks;
+
+use Health\Checks\File\Ini;
+
+class FileIniTest extends CheckTestCase
+{
+
+    public function testCheckFile()
+    {
+        $this->assertCheck($this->runCheck(Ini::class, []), 'UP');
+
+        $this->assertCheck($this->runCheck(Ini::class, [
+            'files' => [
+                './tests/files/valid.ini'
+            ]
+        ]), 'UP');
+
+        $this->assertCheck($this->runCheck(Ini::class, [
+            'files' => [
+                './tests/files/invalid.ini'
+            ]
+        ]), 'DOWN');
+
+        $this->assertCheck($this->runCheck(Ini::class, [
+            'files' => [
+                './tests/files/notfound.ini'
+            ]
+        ]), 'DOWN');
+    }
+}

tests/Checks/FileJsonTest.php

@@ -0,0 +1,31 @@
+<?php
+namespace Tests\Checks;
+
+use Health\Checks\File\Json;
+
+class FileJsonTest extends CheckTestCase
+{
+
+    public function testCheckFile()
+    {
+        $this->assertCheck($this->runCheck(Json::class, []), 'UP');
+
+        $this->assertCheck($this->runCheck(Json::class, [
+            'files' => [
+                './tests/files/valid.json'
+            ]
+        ]), 'UP');
+
+        $this->assertCheck($this->runCheck(Json::class, [
+            'files' => [
+                './tests/files/invalid.json.txt'
+            ]
+        ]), 'DOWN');
+
+        $this->assertCheck($this->runCheck(Json::class, [
+            'files' => [
+                './tests/files/notfound.json'
+            ]
+        ]), 'DOWN');
+    }
+}

tests/Checks/FileYamlTest.php

@@ -0,0 +1,31 @@
+<?php
+namespace Tests\Checks;
+
+use Health\Checks\File\Yaml;
+
+class FileYamlTest extends CheckTestCase
+{
+
+    public function testCheckFile()
+    {
+        $this->assertCheck($this->runCheck(Yaml::class, []), 'UP');
+
+        $this->assertCheck($this->runCheck(Yaml::class, [
+            'files' => [
+                './tests/files/valid.yaml'
+            ]
+        ]), 'UP');
+
+        $this->assertCheck($this->runCheck(Yaml::class, [
+            'files' => [
+                './tests/files/invalid.yaml.txt'
+            ]
+        ]), 'DOWN');
+
+        $this->assertCheck($this->runCheck(Yaml::class, [
+            'files' => [
+                './tests/files/notfound.yaml'
+            ]
+        ]), 'DOWN');
+    }
+}

tests/files/invalid.ini

@@ -0,0 +1,3 @@
+; comment text
+
+#@!#@!#