improved invoice handling for fixed rates (#1058)

tests/Invoice/InvoiceModelTest.php

@@ -0,0 +1,73 @@
+<?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\Entity\Timesheet;
+use App\Invoice\Calculator\DefaultCalculator;
+use App\Invoice\InvoiceModel;
+use App\Invoice\NumberGenerator\DateNumberGenerator;
+use App\Repository\Query\InvoiceQuery;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @covers \App\Invoice\InvoiceModel
+ */
+class InvoiceModelTest extends TestCase
+{
+    public function testEmptyObject()
+    {
+        $sut = new InvoiceModel();
+
+        self::assertNull($sut->getQuery());
+        self::assertNull($sut->getCustomer());
+        self::assertNull($sut->getDueDate());
+        self::assertNull($sut->getCalculator());
+        self::assertNull($sut->getNumberGenerator());
+
+        self::assertEmpty($sut->getEntries());
+        self::assertIsArray($sut->getEntries());
+
+        self::assertNull($sut->getTemplate());
+        self::assertInstanceOf(\DateTime::class, $sut->getInvoiceDate());
+    }
+
+    public function testSetter()
+    {
+        $sut = new InvoiceModel();
+
+        $query = new InvoiceQuery();
+        self::assertInstanceOf(InvoiceModel::class, $sut->setQuery($query));
+        self::assertSame($query, $sut->getQuery());
+
+        $customer = new Customer();
+        self::assertInstanceOf(InvoiceModel::class, $sut->setCustomer($customer));
+        self::assertSame($customer, $sut->getCustomer());
+
+        $calculator = new DefaultCalculator();
+        self::assertInstanceOf(InvoiceModel::class, $sut->setCalculator($calculator));
+        self::assertSame($calculator, $sut->getCalculator());
+
+        $entries = [new Timesheet()];
+        self::assertInstanceOf(InvoiceModel::class, $sut->setEntries($entries));
+        self::assertSame($entries, $sut->getEntries());
+
+        $generator = new DateNumberGenerator();
+        self::assertInstanceOf(InvoiceModel::class, $sut->setNumberGenerator($generator));
+        self::assertSame($generator, $sut->getNumberGenerator());
+
+        $template = new InvoiceTemplate();
+        self::assertNull($sut->getDueDate());
+        self::assertInstanceOf(InvoiceModel::class, $sut->setTemplate($template));
+        self::assertSame($template, $sut->getTemplate());
+        self::assertInstanceOf(\DateTime::class, $sut->getDueDate());
+    }
+}