add ExtractTune use case

tests/unit/AbcParser/Application/PersonFactoryTest.php

@@ -0,0 +1,29 @@
+<?php
+namespace Tests\Unit\AbcParser\Application;
+
+use Enzyme\Axiom\Atoms\StringAtom;
+use XaiCorp\AbcParser\Application\PersonFactory;
+use XaiCorp\AbcParser\Domain\Atoms\EmailAtom;
+use XaiCorp\AbcParser\Domain\Core\Person;
+
+class PersonFactoryTest extends \PHPUnit_Framework_TestCase
+{
+
+    public function testCreate()
+    {
+        $factory = new PersonFactory();
+
+        $this->assertInstanceOf(PersonFactory::class, $factory);
+    }
+
+    public function testCreatePerson()
+    {
+        $factory = new PersonFactory();
+        $name = new StringAtom('Roger');
+        $email = new EmailAtom('');
+
+        $result = $factory->create($name, $email);
+
+        $this->assertInstanceOf(Person::class, $result);
+    }
+}