[PackageBuilder] Add parameters isset

packages/package-builder/src/Parameter/ParameterProvider.php

@@ -6,14 +6,15 @@
 
 use Symfony\Component\DependencyInjection\Container;
 use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Exception\ParameterNotFoundException;
 
 /**
  * @see \Symplify\PackageBuilder\Tests\Parameter\ParameterProviderTest
  */
 final class ParameterProvider
 {
     /**
-     * @var mixed[]
+     * @var array<string, mixed>
      */
     private $parameters = [];
 
@@ -36,15 +37,26 @@ public function provideParameter(string $name)
 
     public function provideStringParameter(string $name): string
     {
-        return $this->parameters[$name] ?? '';
+        $this->ensureParameterIsSet($name);
+
+        return $this->parameters[$name];
+    }
+
+    public function provideIntParameter(string $name): int
+    {
+        $this->ensureParameterIsSet($name);
+
+        return $this->parameters[$name];
     }
 
     /**
      * @return mixed[]
      */
     public function provideArrayParameter(string $name): array
     {
-        return $this->parameters[$name] ?? [];
+        $this->ensureParameterIsSet($name);
+
+        return $this->parameters[$name];
     }
 
     public function provideBoolParameter(string $parameterName): bool
@@ -64,4 +76,13 @@ public function provide(): array
     {
         return $this->parameters;
     }
+
+    private function ensureParameterIsSet(string $name): void
+    {
+        if (isset($this->parameters[$name])) {
+            return;
+        }
+
+        throw new ParameterNotFoundException($name);
+    }
 }