convert timesheets to UTC with support for user timezone (#372)

tests/Security/UserCheckerTest.php

@@ -0,0 +1,57 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Tests\Model;
+
+use App\Entity\User;
+use App\Security\UserChecker;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Security\Core\User\UserInterface;
+
+/**
+ * @covers \App\Security\UserChecker
+ */
+class UserCheckerTest extends TestCase
+{
+    public function testCheckPreAuth()
+    {
+        $sut = new UserChecker();
+        $user = new User();
+
+        try {
+            $sut->checkPreAuth($user);
+        } catch (\Exception $ex) {
+            $this->fail('UserChecker should not throw exception in checkPreAuth()');
+        }
+        $this->assertTrue(true);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Security\Core\Exception\LockedException
+     */
+    public function testDisabledCannotLogin()
+    {
+        $sut = new UserChecker();
+        $user = new User();
+        $user->setEnabled(false);
+
+        $sut->checkPostAuth($user);
+    }
+
+    public function testCheckPostAuth()
+    {
+        $sut = new UserChecker();
+
+        $mock = $this->getMockBuilder(UserInterface::class)->setMethods(['isEnabled'])->getMockForAbstractClass();
+        $mock->expects($this->never())->method('isEnabled')->willReturn(false);
+
+        $sut->checkPostAuth($mock);
+        $this->assertTrue(true);
+    }
+}