Merge pull request #1949 from divine/fix_truncate_on_models

Fix truncate on models

src/Jenssegers/Mongodb/Query/Builder.php

@@ -700,7 +700,11 @@ class Builder extends BaseBuilder
      */
     public function truncate()
     {
-        $result = $this->collection->drop();
+        $options = [
+            'typeMap' => ['root' => 'object', 'document' => 'object'],
+        ];
+
+        $result = $this->collection->drop($options);
 
         return (1 == (int) $result->ok);
     }

tests/ModelTest.php

@@ -572,4 +572,13 @@ class ModelTest extends TestCase
 
         $this->assertEquals(3, $count);
     }
+
+    public function testTruncateModel()
+    {
+        User::create(['name' => 'John Doe']);
+
+        User::truncate();
+
+        $this->assertEquals(0, User::count());
+    }
 }

tests/QueryBuilderTest.php

@@ -175,7 +175,8 @@ class QueryBuilderTest extends TestCase
     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());
     }