From 9442df1073b4a4813ad1fddc95e3d250f420cc51 Mon Sep 17 00:00:00 2001
From: Ditty <git@smtp.dev>
Date: Sat, 8 Feb 2020 05:31:42 +0300
Subject: [PATCH 1/2] Fix truncate on models

According to docs array or object might be returned, so we need to add options. See https://docs.mongodb.com/php-library/v1.5/reference/method/MongoDBCollection-drop/
---
 src/Jenssegers/Mongodb/Query/Builder.php | 6 +++++-
 tests/QueryBuilderTest.php               | 3 ++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/Jenssegers/Mongodb/Query/Builder.php b/src/Jenssegers/Mongodb/Query/Builder.php
index 558edbdf3..b2e1daf33 100644
--- a/src/Jenssegers/Mongodb/Query/Builder.php
+++ b/src/Jenssegers/Mongodb/Query/Builder.php
@@ -700,7 +700,11 @@ public function from($collection, $as = null)
      */
     public function truncate()
     {
-        $result = $this->collection->drop();
+        $options = [
+            'typeMap' => ['root' => 'object', 'document' => 'object'],
+        ];
+
+        $result = $this->collection->drop($options);
 
         return (1 == (int) $result->ok);
     }
diff --git a/tests/QueryBuilderTest.php b/tests/QueryBuilderTest.php
index 625e59cad..3306ede29 100644
--- a/tests/QueryBuilderTest.php
+++ b/tests/QueryBuilderTest.php
@@ -175,7 +175,8 @@ public function testDelete()
     public function testTruncate()
     {
         DB::collection('users')->insert(['name' => 'John Doe']);
-        DB::collection('users')->truncate();
+        $result = DB::collection('users')->truncate();
+        $this->assertEquals(1, $result);
         $this->assertEquals(0, DB::collection('users')->count());
     }
 

From 4e92dcc09da9451bd57834a26bcf6e9e7b089c3f Mon Sep 17 00:00:00 2001
From: Ditty <git@smtp.dev>
Date: Sat, 8 Feb 2020 05:36:56 +0300
Subject: [PATCH 2/2] Add tests for model truncate

---
 tests/ModelTest.php | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tests/ModelTest.php b/tests/ModelTest.php
index 108d28554..e998cade6 100644
--- a/tests/ModelTest.php
+++ b/tests/ModelTest.php
@@ -572,4 +572,13 @@ public function testChunkById(): void
 
         $this->assertEquals(3, $count);
     }
+
+    public function testTruncateModel()
+    {
+        User::create(['name' => 'John Doe']);
+
+        User::truncate();
+
+        $this->assertEquals(0, User::count());
+    }
 }