From 24294d1c073e15631c993675c16e7bb986ac2b4a Mon Sep 17 00:00:00 2001
From: Mathieu TUDISCO <oss@mathieutu.dev>
Date: Wed, 21 Oct 2020 18:29:02 +0200
Subject: [PATCH 1/2] Add lazy method in eloquent factory

---
 .../Database/Eloquent/Factories/Factory.php        | 14 ++++++++++++++
 tests/Database/DatabaseEloquentFactoryTest.php     | 14 ++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/src/Illuminate/Database/Eloquent/Factories/Factory.php b/src/Illuminate/Database/Eloquent/Factories/Factory.php
index 9b658295ad8c..29aa90fb922a 100644
--- a/src/Illuminate/Database/Eloquent/Factories/Factory.php
+++ b/src/Illuminate/Database/Eloquent/Factories/Factory.php
@@ -240,6 +240,20 @@ public function create($attributes = [], ?Model $parent = null)
         return $results;
     }
 
+    /**
+     * Create a model and persist it in the database if requested.
+     *
+     * @param  array  $attributes
+     * @param  \Illuminate\Database\Eloquent\Model|null  $parent
+     * @return \Closure
+     */
+    public function lazy(array $attributes = [], ?Model $parent = null)
+    {
+        return function () use ($attributes, $parent) {
+            return $this->create($attributes, $parent);
+        };
+    }
+
     /**
      * Set the connection name on the results and store them.
      *
diff --git a/tests/Database/DatabaseEloquentFactoryTest.php b/tests/Database/DatabaseEloquentFactoryTest.php
index e2eaff33f921..203df06d27e7 100644
--- a/tests/Database/DatabaseEloquentFactoryTest.php
+++ b/tests/Database/DatabaseEloquentFactoryTest.php
@@ -154,6 +154,20 @@ public function test_expanded_model_attributes_can_be_created()
         $this->assertSame('Test Title', $post['title']);
     }
 
+    public function test_lazy_model_attributes_can_be_created()
+    {
+        $userFunction = FactoryTestUserFactory::new()->lazy();
+        $this->assertIsCallable($userFunction);
+        $this->assertInstanceOf(Eloquent::class, $userFunction());
+
+        $userFunction = FactoryTestUserFactory::new()->lazy(['name' => 'Taylor Otwell']);
+        $this->assertIsCallable($userFunction);
+
+        $user = $userFunction();
+        $this->assertInstanceOf(Eloquent::class, $user);
+        $this->assertSame('Taylor Otwell', $user->name);
+    }
+
     public function test_multiple_model_attributes_can_be_created()
     {
         $posts = FactoryTestPostFactory::new()->times(10)->raw();

From 8653ee0a9b0cacac60f6ebfa088900958e5fa569 Mon Sep 17 00:00:00 2001
From: Taylor Otwell <taylor@laravel.com>
Date: Wed, 21 Oct 2020 12:01:14 -0500
Subject: [PATCH 2/2] Update Factory.php

---
 src/Illuminate/Database/Eloquent/Factories/Factory.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Illuminate/Database/Eloquent/Factories/Factory.php b/src/Illuminate/Database/Eloquent/Factories/Factory.php
index 29aa90fb922a..bb5383c57e25 100644
--- a/src/Illuminate/Database/Eloquent/Factories/Factory.php
+++ b/src/Illuminate/Database/Eloquent/Factories/Factory.php
@@ -241,7 +241,7 @@ public function create($attributes = [], ?Model $parent = null)
     }
 
     /**
-     * Create a model and persist it in the database if requested.
+     * Create a callback that persists a model in the database when invoked.
      *
      * @param  array  $attributes
      * @param  \Illuminate\Database\Eloquent\Model|null  $parent