Update

README.md

@@ -24,6 +24,20 @@ Begin by pulling in the package through Composer.
 $ composer require oanhnn/laravel-fakeid
 ```
 
+Publish config file with
+
+```bash
+$ php artisan vendor:publish --provider="Laravel\\FakeId\\ServiceProvider"
+```
+
+or 
+
+```bash
+php artisan vendor:publish --tag=laravel-fakeid-config
+```
+
+Edit `config/fakeid.php` for config specific drivers.
+
 ## Usage
 
 ### Getting start

src/Drivers/OptimusDriver.php

@@ -33,7 +33,7 @@ class OptimusDriver implements Driver
     public function __construct(array $config)
     {
         if (!isset($config['prime'], $config['inverse'])) {
-            throw new InvalidArgumentException('prime and inverse must be specified.');
+            throw new InvalidArgumentException('The prime and inverse must be specified.');
         }
 
         $this->optimus = new Optimus(

tests/Integration/RoutesWithFakeIdTest.php

@@ -40,8 +40,9 @@ public function testItShouldMatchCorrect()
         $this->assertNotSame('/posts/' . $post->getKey(), $uri);
 
         $response = $this->getJson($uri);
-        $response->assertOk();
+        $response->assertStatus(200);
         $response->assertJson([
+            'id' => $post->id,
             'title' => 'Post test',
         ]);
     }

tests/Unit/OptimusDriverTest.php

@@ -2,6 +2,7 @@
 
 namespace Tests\Unit;
 
+use InvalidArgumentException;
 use Laravel\FakeId\Drivers\OptimusDriver;
 use PHPUnit\Framework\TestCase;
 
@@ -34,4 +35,17 @@ public function testItShouldReturnSameValueAfterEncodeAndDecode()
         $this->assertNotSame($input, $encoded);
         $this->assertSame($input, $decoded);
     }
+
+    /**
+     * Test it should throw exception when it was created with invalid config options
+     *
+     * @return void
+     */
+    public function testItShouldThrowExceptionWhenInvalidConfigOptions()
+    {
+        $this->expectException(InvalidArgumentException::class);
+        $this->expectExceptionMessage('The prime and inverse must be specified.');
+
+        new OptimusDriver([]);
+    }
 }