Add support for OPTIONS method (#19)

src/Enums/HTTPMethod.php

@@ -15,6 +15,7 @@ class HTTPMethod extends Enum
     const POST = 'POST';
     const PUT = 'PUT';
     const DELETE = 'DELETE';
+    const OPTIONS = 'OPTIONS';
 
     public function __toString()
     {

src/Traits/Request/Options.php

@@ -0,0 +1,15 @@
+<?php
+declare(strict_types=1);
+
+namespace Firehed\API\Traits\Request;
+
+use Firehed\API\Enums\HTTPMethod;
+
+trait Options
+{
+
+    public function getMethod(): HTTPMethod
+    {
+        return HTTPMethod::OPTIONS();
+    }
+}

tests/Traits/Request/OptionsTest.php

@@ -0,0 +1,28 @@
+<?php
+declare(strict_types=1);
+
+namespace Firehed\API\Traits\Request;
+
+/**
+ * @coversDefaultClass Firehed\API\Traits\Request\Options
+ * @covers ::<protected>
+ * @covers ::<private>
+ */
+class OptionsTest extends \PHPUnit\Framework\TestCase
+{
+
+    /**
+     * @covers ::getMethod
+     */
+    public function testGetMethod()
+    {
+        $obj = new class {
+            use Options;
+        };
+        $this->assertEquals(
+            \Firehed\API\Enums\HTTPMethod::OPTIONS(),
+            $obj->getMethod(),
+            'getMethod did not return HTTP OPTIONS'
+        );
+    }
+}