13-05-2026 implementation FR

tests/Feature/FrenchLocalizationTest.php

@@ -0,0 +1,48 @@
+<?php
+
+use App\Services\LocaleGuard;
+
+uses(Tests\TestCase::class);
+
+it('supports french as an application locale', function () {
+    expect(config('localization.supportedLocales'))
+        ->toHaveKey('fr')
+        ->and(LocaleGuard::normalize('FR'))
+        ->toBe('fr');
+});
+
+it('keeps french translation files in sync with the german source keys', function () {
+    foreach (glob(resource_path('lang/de/*.php')) as $germanFile) {
+        $fileName = basename($germanFile);
+        $frenchFile = resource_path('lang/fr/'.$fileName);
+
+        expect($frenchFile)->toBeFile();
+        expect(frenchLocalizationFlattenTranslationKeys(require $frenchFile))
+            ->toEqualCanonicalizing(frenchLocalizationFlattenTranslationKeys(require $germanFile));
+    }
+});
+
+/**
+ * @return array<int, string>
+ */
+function frenchLocalizationFlattenTranslationKeys(array $translations, string $prefix = ''): array
+{
+    $keys = [];
+
+    foreach ($translations as $key => $value) {
+        $translationKey = $prefix.(string) $key;
+
+        if (is_array($value)) {
+            $keys = [
+                ...$keys,
+                ...frenchLocalizationFlattenTranslationKeys($value, $translationKey.'.'),
+            ];
+
+            continue;
+        }
+
+        $keys[] = $translationKey;
+    }
+
+    return $keys;
+}