Add tests

app/Http/Controllers/Discuss/PostController.php

@@ -26,7 +26,8 @@ public function create(Request $request): RedirectResponse
     {
         $conversation = DiscussConversation::findOrFail($request->conversation_id);
 
-        if (DiscussPost::isFlooding('xetaravel.flood.discuss.post')) {
+        // Use that have the permission "manage.discuss" can bypass this rule. (Default to Administrator)
+        if (DiscussPost::isFlooding('xetaravel.flood.discuss.post') && !Auth::user()->hasPermission('manage.discuss')) {
             return back()
                 ->withInput()
                 ->with('danger', 'Wow, keep calm bro, and try to not flood !');
@@ -108,7 +109,7 @@ public function delete(int $id): RedirectResponse
         if ($conversation->last_post_id == $post->getKey()) {
             $previousPost = DiscussPostRepository::findPreviousPost($post);
 
-            $conversation->last_post_id = $previousPost->getKey();
+            $conversation->last_post_id = !is_null($previousPost) ? $previousPost->getKey() : null;
         }
 
         if ($conversation->solved_post_id == $post->getKey()) {

tests/Http/Controllers/Discuss/PostControllerTest.php

@@ -0,0 +1,103 @@
+<?php
+namespace Tests\Http\Controllers\Discuss;
+
+use Tests\TestCase;
+use Xetaravel\Models\DiscussPost;
+use Xetaravel\Models\User;
+
+class PostControllerTest extends TestCase
+{
+    /**
+     * Triggered before each test.
+     *
+     * @return void
+     */
+    public function setUp()
+    {
+        parent::setUp();
+
+        $user = User::find(1);
+        $this->be($user);
+    }
+
+    /**
+     * testCreateSuccess method
+     *
+     * @return void
+     */
+    public function testCreateSuccess()
+    {
+        $data = [
+            'conversation_id' => 1,
+            'content' => '**This** is an awesome text.'
+        ];
+
+        $response = $this->post('/discuss/post/create', $data);
+        $response->assertSessionHas('success');
+        $response->assertStatus(302);
+    }
+
+    /**
+     * testShowSuccess method
+     *
+     * @return void
+     */
+    public function testShowSuccess()
+    {
+        $response = $this->get('/discuss/post/show/2');
+        $response->assertStatus(302);
+        $response->assertRedirect('/discuss/conversation/this-is-an-announcement.1?page=1&#post-2');
+    }
+
+    /**
+     * testDeleteSuccess method
+     *
+     * @return void
+     */
+    public function testDeleteSuccess()
+    {
+        $response = $this->delete('/discuss/post/delete/2');
+        $response->assertStatus(302);
+        $response->assertSessionHas('success');
+
+        $this->assertNull(DiscussPost::find(2));
+    }
+
+    /**
+     * testDeleteFirstPostFailed method
+     *
+     * @return void
+     */
+    public function testDeleteFirstPostFailed()
+    {
+        $response = $this->delete('/discuss/post/delete/1');
+        $response->assertStatus(302);
+        $response->assertSessionHas('danger');
+    }
+
+    /**
+     * testSolvedSuccess method
+     *
+     * @return void
+     */
+    public function testSolvedSuccess()
+    {
+        $response = $this->get('/discuss/post/solved/2');
+        $response->assertStatus(302);
+        $response->assertSessionHas('success');
+    }
+
+    /**
+     * testAlreadySolvedFailed method
+     *
+     * @return void
+     */
+    public function testAlreadySolvedFailed()
+    {
+        $response = $this->get('/discuss/post/solved/2');
+
+        $response = $this->get('/discuss/post/solved/2');
+        $response->assertStatus(302);
+        $response->assertSessionHas('danger');
+    }
+}