mapper work with empty format

Author: nekufa

src/Space.php

@@ -101,6 +101,9 @@ public function getFormat()
             } else {
                 $this->format = $this->mapper->findOne('_space', ['id' => $this->id])->format;
             }
+            if(!$this->format) {
+                $this->format = [];
+            }
             $this->parseFormat();
         }
 

tests/SchemaTest.php

@@ -5,6 +5,16 @@
 
 class SchemaTest extends TestCase
 {
+    public function testEmptySpace()
+    {
+        $mapper = $this->createMapper();
+        $this->clean($mapper);
+
+        $tester = $mapper->getSchema()->createSpace('tester');
+        $this->assertCount(0, $tester->getFormat());
+        $this->assertCount(0, $tester->getIndexes());
+    }
+
     public function testIndexes()
     {
         $mapper = $this->createMapper();