preparation for unit tests

unit_test_preparation.patch

Index: src/AppBundle/Service/HappyNumberGenerator.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- src/AppBundle/Service/HappyNumberGenerator.php	(revision )
+++ src/AppBundle/Service/HappyNumberGenerator.php	(revision )
@@ -0,0 +1,11 @@
+<?php
+
+namespace AppBundle\Service;
+
+class HappyNumberGenerator
+{
+    public function generate()
+    {
+        return random_int(1, 99);
+    }
+}
Index: src/AppBundle/Entity/User.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- src/AppBundle/Entity/User.php	(revision )
+++ src/AppBundle/Entity/User.php	(revision )
@@ -0,0 +1,42 @@
+<?php
+
+namespace AppBundle\Entity;
+
+class User
+{
+    private $name;
+
+    private $email;
+
+    /**
+     * @return mixed
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * @param mixed $name
+     */
+    public function setName($name)
+    {
+        $this->name = $name;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getEmail()
+    {
+        return $this->email;
+    }
+
+    /**
+     * @param mixed $email
+     */
+    public function setEmail($email)
+    {
+        $this->email = $email;
+    }
+}
Index: src/AppBundle/Service/Mailer.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- src/AppBundle/Service/Mailer.php	(revision )
+++ src/AppBundle/Service/Mailer.php	(revision )
@@ -0,0 +1,19 @@
+<?php
+
+
+namespace AppBundle\Service;
+
+
+class Mailer
+{
+    /**
+     * @param string $recipientEmail
+     * @param string $body
+     * @return null
+     */
+    public function send($recipientEmail, $body)
+    {
+        // todo: implement email sending
+        return null;
+    }
+}
Index: src/AppBundle/Service/UserMailer.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- src/AppBundle/Service/UserMailer.php	(revision )
+++ src/AppBundle/Service/UserMailer.php	(revision )
@@ -0,0 +1,25 @@
+<?php
+
+namespace AppBundle\Service;
+
+use AppBundle\Entity\User;
+
+class UserMailer
+{
+    /**
+     * @var Mailer
+     */
+    private $mailer;
+
+    public function __construct(Mailer $mailer)
+    {
+        $this->mailer = $mailer;
+    }
+
+    public function sendHello(User $user)
+    {
+        $body = sprintf('Hello %s.', $user->getName());
+
+        $this->mailer->send($user->getEmail(), $body);
+    }
+}