implement removeProperty method

Author: nekufa

src/Space.php

@@ -35,6 +35,19 @@ public function addProperty($name, $type)
         $this->parseFormat();
     }
 
+    public function removeProperty($name)
+    {
+        $format = $this->getFormat();
+        $last = array_pop($format);
+        if($last['name'] != $name) {
+            throw new Exception("Remove only last property");
+        }
+        $this->mapper->getClient()->evaluate("box.space[$this->id]:format(...)", [$format]);
+        $this->format = $format;
+
+        $this->parseFormat();
+    }
+
     public function removeIndex($name)
     {
         $this->mapper->getClient()->evaluate("box.space[$this->id].index.$name:drop()");

tests/SchemaTest.php

@@ -1,11 +1,29 @@
 <?php
 
-use Exception;
 use Tarantool\Mapper\Mapper;
 use Tarantool\Mapper\Space;
 
 class SchemaTest extends TestCase
 {
+    public function testRemoveProperty()
+    {
+        $mapper = $this->createMapper();
+        $this->clean($mapper);
+
+        $space = $mapper->getSchema()->createSpace('tester');
+        $space->addProperty('first', 'unsigned');
+        $space->addProperty('second', 'unsigned');
+        $space->addProperty('third', 'unsigned');
+
+        $this->assertCount(3, $space->getFormat());
+
+        $space->removeProperty('third');
+        $this->assertCount(2, $space->getFormat());
+
+        $this->expectException(Exception::class);
+        $space->removeIndex('first');
+    }
+
     public function testRemoveIndex()
     {
         $mapper = $this->createMapper();