implement has changes method

Author: nekufa

src/Plugins/Spy.php

@@ -60,11 +60,17 @@ private function getKey(Entity $instance, Space $space)
         return implode(':', $key);
     }
 
-    public function getChanges() {
+    public function getChanges()
+    {
         return (object) [
             'create' => array_values($this->create),
             'update' => array_values($this->update),
             'remove' => array_values($this->remove),
         ];
     }
+
+    public function hasChanges()
+    {
+        return count($this->create) + count($this->update) + count($this->remove) > 0;
+    }
 }

tests/SpyTest.php

@@ -33,6 +33,8 @@ public function test()
         $spy = $mapper->getPlugin(Spy::class);
         $this->assertInstanceOf(Spy::class, $spy);
 
+        $this->assertTrue($spy->hasChanges());
+
         $changes = $spy->getChanges();
         $this->assertCount(1, $changes->create);
         $this->assertCount(1, $changes->update);
@@ -46,16 +48,20 @@ public function test()
         $this->assertCount(0, $changes->update);
         $this->assertCount(1, $changes->remove);
         $this->assertSame(array_values($changes->remove)[0]->id, $nekufa->id);
+        $this->assertTrue($spy->hasChanges());
 
         $spy->reset();
+
         $changes = $spy->getChanges();
+        $this->assertFalse($spy->hasChanges());
         $this->assertCount(0, $changes->create);
         $this->assertCount(0, $changes->update);
         $this->assertCount(0, $changes->remove);
 
         $vasya = $mapper->create('person', ['email' => '[email protected]']);
 
         $changes = $spy->getChanges();
+        $this->assertTrue($spy->hasChanges());
         $this->assertCount(1, $changes->create);
         $this->assertCount(0, $changes->update);
         $this->assertCount(0, $changes->remove);
@@ -66,13 +72,15 @@ public function test()
         $mapper->save($vasya);
 
         $changes = $spy->getChanges();
+        $this->assertTrue($spy->hasChanges());
         $this->assertCount(1, $changes->create);
         $this->assertCount(0, $changes->update);
         $this->assertCount(0, $changes->remove);
         $this->assertSame([$vasya], array_values($changes->create));
 
         $mapper->remove($vasya);
         $changes = $spy->getChanges();
+        $this->assertFalse($spy->hasChanges());
         $this->assertCount(0, $changes->create);
         $this->assertCount(0, $changes->update);
         $this->assertCount(0, $changes->remove);
@@ -84,14 +92,15 @@ public function test()
         $mapper->save($vasya);
 
         $changes = $spy->getChanges();
-
+        $this->assertTrue($spy->hasChanges());
         $this->assertCount(0, $changes->create);
         $this->assertCount(1, $changes->update);
         $this->assertCount(0, $changes->remove);
 
         $mapper->remove($vasya);
 
         $changes = $spy->getChanges();
+        $this->assertTrue($spy->hasChanges());
         $this->assertCount(0, $changes->create);
         $this->assertCount(0, $changes->update);
         $this->assertCount(1, $changes->remove);