feat: added missing method for adding header values to the response

Author: oniice

src/Builder.php

@@ -12,7 +12,7 @@ class Builder implements Responsable
     protected $body;
 
     /**
-     * @var Header
+     * @var array
      */
     protected $headers;
 
@@ -109,6 +109,33 @@ public function status(int $status): Builder
         return $this;
     }
 
+    /**
+     * Set a HTTP header value to be returned with the response
+     *
+     * @param string $key
+     * @param string $value
+     * @return $this
+     */
+    public function header(string $key, string $value)
+    {
+        $this->headers[$key] = $value;
+
+        return $this;
+    }
+
+    /**
+     * Set headers that should be returned with the response
+     *
+     * @param array $headers
+     * @return $this
+     */
+    public function headers(array $headers)
+    {
+        $this->headers = array_filter($headers);
+
+        return $this;
+    }
+
     /**
      * Return a json response using the api body
      *

tests/BuilderTest.php

@@ -2,6 +2,8 @@
 
 namespace Tests;
 
+use Illuminate\Foundation\Testing\TestResponse;
+
 class BuilderTest extends TestCase
 {
 
@@ -33,4 +35,19 @@ public function testAddMessageToResponse()
         $this->assertEquals(['Hello World'], $builder->body()->getMessages());
     }
 
+    public function testAddingHeaderToResponse()
+    {
+        $response = new TestResponse(api()->header('foo', 'bar')->respond());
+
+        $response->assertHeader('foo');
+    }
+
+    public function testAddingMultipleHeaderToResponse()
+    {
+        $response = new TestResponse(api()->headers(['foo' => 'bar', 'hello' => 'world', 'invalid header'])->respond());
+
+        $response->assertHeader('foo');
+        $response->assertHeader('hello');
+        $response->assertHeaderMissing('invalid header');
+    }
 }