Make validation errors translatable

src/Command.php

@@ -348,15 +348,20 @@ public function validate(array $arguments, array $options) : array
      *
      * @return array<int,string>
      */
-    #[Pure]
     protected function validateDefinitions(array $definitions, array $values, string $label) : array
     {
         $errors = [];
+        $translator = isset($this->console) ? $this->console->getLanguage() : null;
+        if ($translator) {
+            $label = $translator->render('cli', $label, []);
+        }
         foreach ($definitions as $key => $definition) {
             $value = $values[$key] ?? null;
             if ($value === null || $value === false) {
                 if (!empty($definition['required'])) {
-                    $errors[] = $label . ' "' . $key . '" is required.';
+                    $errors[] = $translator
+                        ? $translator->render('cli', 'validation.required', [$label, (string) $key])
+                        : $label . ' "' . $key . '" is required.';
                 }
                 continue;
             }
@@ -374,7 +379,9 @@ protected function validateDefinitions(array $definitions, array $values, string
                 default => true,
             };
             if (!$valid) {
-                $errors[] = $label . ' "' . $key . '" must be of type ' . $type . '.';
+                $errors[] = $translator
+                    ? $translator->render('cli', 'validation.type', [$label, (string) $key, $type])
+                    : $label . ' "' . $key . '" must be of type ' . $type . '.';
             }
         }
         return $errors;

src/Languages/en/cli.php

@@ -15,6 +15,7 @@
     'about.line4' => 'Visit our website to know more: https://webisters.com',
     'about.line5' => 'Thanks for using Webisters!',
     'aliases' => 'Aliases',
+    'argument' => 'argument',
     'availableCommands' => 'Available Commands',
     'command' => 'Command',
     'commandNotFound' => 'Command not found: "{0}"',
@@ -30,6 +31,9 @@
     'index.description' => 'Shows commands list.',
     'index.option.greet' => 'Shows greeting.',
     'noDescription' => 'This command does not provide a description.',
+    'option' => 'option',
     'options' => 'Options',
     'usage' => 'Usage',
+    'validation.required' => '{0} "{1}" is required.',
+    'validation.type' => '{0} "{1}" must be of type {2}.',
 ];

src/Languages/es/cli.php

@@ -16,6 +16,7 @@
     'about.line5' => '¡Gracias por usar Webisters!',
     'availableCommands' => 'Comandos Disponibles',
     'aliases' => 'Alias',
+    'argument' => 'argumento',
     'command' => 'Comando',
     'commandNotFound' => 'Comando no encontrado: "{0}"',
     'commands' => 'Comandos',
@@ -30,6 +31,9 @@
     'index.description' => 'Muestra la lista de comandos.',
     'index.option.greet' => 'Muestra saludo.',
     'noDescription' => 'Este comando no proporciona una descripción.',
+    'option' => 'opción',
     'options' => 'Opciones',
     'usage' => 'Uso',
+    'validation.required' => '{0} "{1}" es obligatorio.',
+    'validation.type' => '{0} "{1}" debe ser del tipo {2}.',
 ];

src/Languages/pt-br/cli.php

@@ -16,6 +16,7 @@
     'about.line5' => 'Obrigado por usar o Webisters!',
     'availableCommands' => 'Comandos Disponíveis',
     'aliases' => 'Aliases',
+    'argument' => 'argumento',
     'command' => 'Comando',
     'commandNotFound' => 'Comando não encontrado: "{0}"',
     'commands' => 'Comandos',
@@ -30,6 +31,9 @@
     'index.description' => 'Mostra a lista de comandos.',
     'index.option.greet' => 'Mostra saudação.',
     'noDescription' => 'Este comando não fornece uma descrição.',
+    'option' => 'opção',
     'options' => 'Opções',
     'usage' => 'Uso',
+    'validation.required' => '{0} "{1}" é obrigatório.',
+    'validation.type' => '{0} "{1}" deve ser do tipo {2}.',
 ];

tests/ValidationTest.php

@@ -13,6 +13,7 @@
 use Framework\CLI\Command;
 use Framework\CLI\Streams\Stderr;
 use Framework\CLI\Streams\Stdout;
+use Framework\Language\Language;
 use PHPUnit\Framework\TestCase;
 
 /**
@@ -93,6 +94,42 @@ public function testMissingRequiredOptionReportsAnError() : void
         self::assertStringContainsString('option "count" is required', Stderr::getContents());
     }
 
+    public function testValidationErrorsAreTranslatedToSpanish() : void
+    {
+        $console = new ConsoleMock(new Language('es'));
+        $command = new ValidatedCommandMock($console);
+        $command->setArgumentDefinitions([
+            0 => ['type' => 'int', 'required' => true],
+        ]);
+        $command->setOptionDefinitions([
+            'count' => ['type' => 'int', 'required' => true],
+        ]);
+        $console->addCommand($command);
+        $console->exec('validated');
+        self::assertStringContainsString('argumento "0" es obligatorio.', Stderr::getContents());
+        self::assertStringContainsString('opción "count" es obligatorio.', Stderr::getContents());
+        $console->exec('validated abc');
+        self::assertStringContainsString('argumento "0" debe ser del tipo int.', Stderr::getContents());
+    }
+
+    public function testValidationErrorsAreTranslatedToBrazilianPortuguese() : void
+    {
+        $console = new ConsoleMock(new Language('pt-br'));
+        $command = new ValidatedCommandMock($console);
+        $command->setArgumentDefinitions([
+            0 => ['type' => 'int', 'required' => true],
+        ]);
+        $command->setOptionDefinitions([
+            'count' => ['type' => 'int', 'required' => true],
+        ]);
+        $console->addCommand($command);
+        $console->exec('validated');
+        self::assertStringContainsString('argumento "0" é obrigatório.', Stderr::getContents());
+        self::assertStringContainsString('opção "count" é obrigatório.', Stderr::getContents());
+        $console->exec('validated abc');
+        self::assertStringContainsString('argumento "0" deve ser do tipo int.', Stderr::getContents());
+    }
+
     public function testGettersReturnTheDefinitions() : void
     {
         $command = new ValidatedCommandMock($this->console);