Add test

tests/EventListener/Menu/BackendLoginListenerTest.php

@@ -0,0 +1,89 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ContaoId\ContaoBundle\Tests\EventListener\Menu;
+
+use Contao\CoreBundle\Event\MenuEvent;
+use ContaoId\ContaoBundle\EventListener\Menu\BackendLoginListener;
+use Knp\Menu\ItemInterface;
+use Knp\Menu\MenuFactory;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Routing\RouterInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
+
+class BackendLoginListenerTest extends TestCase
+{
+    public function testDoesNothingWhenNotLoginMenu(): void
+    {
+        $tree = $this->createMock(ItemInterface::class);
+        $tree
+            ->expects($this->once())
+            ->method('getName')
+            ->willReturn('notLoginMenu')
+        ;
+
+        $event = $this->createMock(MenuEvent::class);
+        $event
+            ->expects($this->once())
+            ->method('getTree')
+            ->willReturn($tree)
+        ;
+
+        $event
+            ->expects($this->never())
+            ->method('getFactory')
+        ;
+
+        $translator = $this->createMock(TranslatorInterface::class);
+        $router = $this->createMock(RouterInterface::class);
+
+        $listener = new BackendLoginListener($translator, $router);
+        $listener($event);
+    }
+
+    public function testCreatesMenuItem(): void
+    {
+        $factory = new MenuFactory();
+        $menu = $factory->createItem('loginMenu');
+
+        $event = new MenuEvent($factory, $menu);
+
+        $translator = $this->createMock(TranslatorInterface::class);
+        $translator
+            ->expects($this->once())
+            ->method('trans')
+            ->with('login.button', [], 'ContaoIdContao')
+            ->willReturn('Login with contao.id')
+        ;
+
+        $router = $this->createMock(RouterInterface::class);
+        $router
+            ->expects($this->once())
+            ->method('generate')
+            ->with('hwi_oauth_service_redirect', ['service' => 'contao_id'])
+            ->willReturn('https://localhost/contao/connect/contao_id')
+        ;
+
+        $listener = new BackendLoginListener($translator, $router);
+        $listener($event);
+
+        $children = $event->getTree()->getChildren();
+
+        $this->assertCount(1, $children);
+        $this->assertSame(['contaoid'], array_keys($children));
+        $this->assertSame('contaoid', $children['contaoid']->getAttribute('class'));
+        $this->assertSame('Login with contao.id', $children['contaoid']->getLabel());
+        $this->assertSame('https://localhost/contao/connect/contao_id', $children['contaoid']->getUri());
+        $this->assertSame('tl_submit has-icon', $children['contaoid']->getLinkAttribute('class'));
+        $this->assertSame(
+            [
+                'icon' => '/bundles/contaoidcontao/contao-id.svg',
+                'icon_dark' => '/bundles/contaoidcontao/contao-id--dark.svg',
+                'safe_label' => true,
+                'translation_domain' => false,
+            ],
+            $children['contaoid']->getExtras()
+        );
+    }
+}