Validator::class (#73)

`Validator` class responsible for any validation.

Author: faissaloux

src/Plugin.php

@@ -34,9 +34,9 @@ class Plugin implements HandlesOriginalArguments
     private array $includeWords = [];
 
     /**
-     * @var string|array<string>|null
+     * @var array<string>|null
      */
-    private $language = null;
+    private $languages = null;
 
     private bool $compact = false;
 
@@ -54,31 +54,6 @@ public function __construct(
         $this->profanityLogger = new NullLogger;
     }
 
-    /**
-     * Validates that the specified languages exist in the profanities directory.
-     *
-     * @param  array<string>|null  $languages
-     * @return array<int, string> List of languages that don't exist
-     */
-    private function validateLanguages($languages): array
-    {
-        if ($languages === null) {
-            return [];
-        }
-
-        $profanitiesDir = __DIR__.'/Config/profanities';
-        $invalidLanguages = [];
-
-        foreach ($languages as $language) {
-            $specificLanguage = "$profanitiesDir/$language.php";
-            if (! file_exists($specificLanguage)) {
-                $invalidLanguages[] = $language;
-            }
-        }
-
-        return $invalidLanguages;
-    }
-
     /**
      * {@inheritdoc}
      */
@@ -103,7 +78,7 @@ public function handleOriginalArguments(array $arguments): void
 
             if (str_starts_with($argument, '--language=')) {
                 $languageValue = substr($argument, strlen('--language='));
-                $this->language = explode(',', $languageValue);
+                $this->languages = explode(',', $languageValue);
                 unset($arguments[$key]);
             }
 
@@ -124,7 +99,7 @@ public function handleOriginalArguments(array $arguments): void
             }
         }
 
-        $invalidLanguages = $this->validateLanguages($this->language);
+        $invalidLanguages = Validator::validateLanguages($this->languages);
         if (! empty($invalidLanguages)) {
             $invalidLangsStr = implode(', ', $invalidLanguages);
             Output::errorMessage("The specified language does not exist: $invalidLangsStr");
@@ -196,7 +171,7 @@ function (Result $result) use (&$filesWithProfanity, &$totalProfanities): void {
             },
             $this->excludeWords,
             $this->includeWords,
-            $this->language
+            $this->languages
         );
 
         $filesWithProfanityCount = count($filesWithProfanity);

src/Validator.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pest\Profanity;
+
+/**
+ * @internal
+ */
+class Validator
+{
+    /**
+     * Validates that the specified languages exist in the profanities directory.
+     *
+     * @param  array<string>|null  $languages
+     * @return array<int, string> List of languages that don't exist
+     */
+    public static function validateLanguages(?array $languages): array
+    {
+        if ($languages === null) {
+            return [];
+        }
+
+        $profanitiesDir = __DIR__.'/Config/profanities';
+        $invalidLanguages = [];
+
+        foreach ($languages as $language) {
+            $specificLanguage = "$profanitiesDir/$language.php";
+            if (! file_exists($specificLanguage)) {
+                $invalidLanguages[] = $language;
+            }
+        }
+
+        return $invalidLanguages;
+    }
+}

tests/Validator.php

@@ -0,0 +1,15 @@
+<?php
+
+use Pest\Profanity\Validator;
+
+test('empty', function () {
+    expect(Validator::validateLanguages([]))->toBeEmpty();
+});
+
+test('valid', function () {
+    expect(Validator::validateLanguages(['ar', 'da', 'en', 'es', 'it', 'ja', 'nl', 'pt_BR']))->toBeEmpty();
+});
+
+test('invalid', function () {
+    expect(Validator::validateLanguages(['ar', 'en', 'invalid', 'es']))->toBe(['invalid']);
+});