added invoice archive & configurable invoice numbers (#1541)

tests/Invoice/InvoiceFilenameTest.php

@@ -0,0 +1,53 @@
+<?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\Invoice;
+
+use App\Entity\Customer;
+use App\Entity\InvoiceTemplate;
+use App\Invoice\InvoiceFilename;
+use App\Invoice\InvoiceModel;
+use App\Invoice\NumberGenerator\DateNumberGenerator;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @covers \App\Invoice\InvoiceFilename
+ */
+class InvoiceFilenameTest extends TestCase
+{
+    public function testInvoiceFilename()
+    {
+        $customer = new Customer();
+        $template = new InvoiceTemplate();
+
+        $model = new InvoiceModel(new DebugFormatter());
+        $model->setNumberGenerator(new DateNumberGenerator());
+        $model->setTemplate($template);
+        $model->setCustomer($customer);
+
+        $datePrefix = date('ymd');
+
+        $sut = new InvoiceFilename($model);
+
+        self::assertEquals($datePrefix, $sut->getFilename());
+        self::assertEquals($datePrefix, (string) $sut);
+
+        $customer->setName('foo');
+        $sut = new InvoiceFilename($model);
+
+        self::assertEquals($datePrefix . '-foo', $sut->getFilename());
+        self::assertEquals($datePrefix . '-foo', (string) $sut);
+
+        $customer->setCompany('barß / laölala # ldksjf 123');
+        $sut = new InvoiceFilename($model);
+
+        self::assertEquals($datePrefix . '-barß_laölala_ldksjf123', $sut->getFilename());
+        self::assertEquals($datePrefix . '-barß_laölala_ldksjf123', (string) $sut);
+    }
+}