From 6fe09d62017b7e5cc8e6a8a9fddd729a2ed5f24d Mon Sep 17 00:00:00 2001
From: overtrue <anzhengchao@gmail.com>
Date: Mon, 12 Jun 2023 09:08:54 +0800
Subject: [PATCH] Add tests for #37

---
 README.md             |  7 +++++++
 tests/FeatureTest.php | 22 ++++++++++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/README.md b/README.md
index 5ad7bdd..61b4e8a 100644
--- a/README.md
+++ b/README.md
@@ -201,6 +201,13 @@ foreach($users as $user) {
     $user->hasFavorited($post);
 }
 
+// with favoriteable object
+$users = User::with('favorites.favoriteable')->get();
+
+foreach($users as $user) {
+    $user->hasFavorited($post);
+}
+
 // Favoriteable
 $posts = Post::with('favorites')->get();
 // or
diff --git a/tests/FeatureTest.php b/tests/FeatureTest.php
index e1deaf7..286a206 100644
--- a/tests/FeatureTest.php
+++ b/tests/FeatureTest.php
@@ -135,6 +135,28 @@ public function test_eager_loading()
         $this->assertEmpty($sqls->all());
     }
 
+    public function test_eager_loading_from_favorite_model()
+    {
+        $user = User::create(['name' => 'overtrue']);
+
+        $post1 = Post::create(['title' => 'Hello world!']);
+        $post2 = Post::create(['title' => 'Hello everyone!']);
+        $book1 = Book::create(['title' => 'Learn laravel.']);
+        $book2 = Book::create(['title' => 'Learn symfony.']);
+
+        $user->favorite($post1);
+        $user->favorite($post2);
+        $user->favorite($book1);
+        $user->favorite($book2);
+
+        // start recording
+        $sqls = $this->getQueryLog(function () use ($user) {
+            Favorite::with('favoriteable')->where('user_id', $user->id)->get();
+        });
+
+        $this->assertSame(3, $sqls->count()); // from "favorites", "posts", "books"
+    }
+
     public function test_eager_loading_error()
     {
         // hasFavorited