fix: skip tests when dependencies are missing

Author: innocenzi

packages/core/composer.json

@@ -14,6 +14,7 @@
         "filp/whoops": "^2.15"
     },
     "require-dev": {
+        "tempest/validation": "dev-main",
         "tempest/intl": "dev-main"
     },
     "autoload": {

packages/core/src/functions.php

@@ -10,6 +10,7 @@
     use Tempest\Core\EnvironmentVariableValidationFailed;
     use Tempest\Core\ExceptionReporter;
     use Tempest\Core\Kernel;
+    use Tempest\Intl\Translator;
     use Tempest\Support\Namespace\PathCouldNotBeMappedToNamespace;
     use Tempest\Validation\Rule;
     use Tempest\Validation\Validator;
@@ -77,7 +78,7 @@ function env(string $key, mixed $default = null, array $rules = []): mixed
             default => $value,
         };
 
-        if ($rules === []) {
+        if ($rules === [] || ! class_exists(Validator::class) || ! class_exists(Translator::class)) {
             return $value;
         }
 

packages/core/tests/EnvTest.php

@@ -17,6 +17,7 @@
 use Tempest\Validation\Rules\IsBoolean;
 use Tempest\Validation\Rules\IsNotNull;
 use Tempest\Validation\Rules\IsNumeric;
+use Tempest\Validation\Validator;
 
 use function Tempest\env;
 
@@ -25,6 +26,14 @@ final class EnvTest extends TestCase
     #[PreCondition]
     protected function configure(): void
     {
+        if (! class_exists(Translator::class)) {
+            $this->markTestSkipped('`tempest/intl` is required for this test.');
+        }
+
+        if (! class_exists(Validator::class)) {
+            $this->markTestSkipped('`tempest/validation` is required for this test.');
+        }
+
         $container = new GenericContainer();
         $container->singleton(Translator::class, new GenericTranslator(
             config: new IntlConfig(currentLocale: Locale::ENGLISH, fallbackLocale: Locale::ENGLISH),