Added post extender with type method, deprecated ConfigurePostTypes (#2101)

tests/integration/extenders/ModelTest.php

@@ -326,7 +326,7 @@ class ModelTest extends TestCase
 
         $this->app();
 
-        $post = new CustomPost;
+        $post = new ModelTestCustomPost;
 
         $this->assertEquals(42, $post->answer);
 
@@ -416,7 +416,7 @@ class ModelTest extends TestCase
     }
 }
 
-class CustomPost extends AbstractEventPost
+class ModelTestCustomPost extends AbstractEventPost
 {
     /**
      * {@inheritdoc}

tests/integration/extenders/PostTest.php

@@ -0,0 +1,58 @@
+<?php
+
+/*
+ * This file is part of Flarum.
+ *
+ * For detailed copyright and license information, please view the
+ * LICENSE file that was distributed with this source code.
+ */
+
+namespace Flarum\Tests\integration\extenders;
+
+use Flarum\Extend;
+use Flarum\Post\AbstractEventPost;
+use Flarum\Post\MergeableInterface;
+use Flarum\Post\Post;
+use Flarum\Tests\integration\TestCase;
+
+class PostTest extends TestCase
+{
+    /**
+     * @test
+     */
+    public function custom_post_type_doesnt_exist_by_default()
+    {
+        $this->assertArrayNotHasKey('customPost', Post::getModels());
+    }
+
+    /**
+     * @test
+     */
+    public function custom_post_type_exists_if_added()
+    {
+        $this->extend((new Extend\Post)->type(PostTestCustomPost::class));
+
+        // Needed for extenders to be booted
+        $this->app();
+
+        $this->assertArrayHasKey('customPost', Post::getModels());
+    }
+}
+
+class PostTestCustomPost extends AbstractEventPost implements MergeableInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public static $type = 'customPost';
+
+    /**
+     * {@inheritdoc}
+     */
+    public function saveAfter(Post $previous = null)
+    {
+        $this->save();
+
+        return $this;
+    }
+}