allow empty invoice template terms #188 (#189)

tests/Entity/AbstractEntityTest.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\Entity;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Validator\ConstraintViolationInterface;
+use Symfony\Component\Validator\Validation;
+
+/**
+ * @covers \App\Entity\Timesheet
+ */
+abstract class AbstractEntityTest extends TestCase
+{
+    /**
+     * @param $value
+     * @param array|string $fieldNames
+     */
+    protected function assertHasViolationForField($value, $fieldNames)
+    {
+        $validator = Validation::createValidatorBuilder()->enableAnnotationMapping()->getValidator();
+        $validations = $validator->validate($value);
+
+        if (!is_array($fieldNames)) {
+            $fieldNames = [$fieldNames];
+        }
+
+        $violatedFields = [];
+        /** @var ConstraintViolationInterface $validation */
+        foreach ($validations as $validation) {
+            $violatedFields[] = $validation->getPropertyPath();
+        }
+
+        foreach ($fieldNames as $id => $propertyPath) {
+            $foundField = false;
+            if (in_array($propertyPath, $violatedFields)) {
+                $foundField = true;
+                unset($violatedFields[$id]);
+            }
+
+            $this->assertTrue($foundField, 'Failed finding violation for field: ' . $propertyPath);
+        }
+
+        $this->assertEmpty($violatedFields, sprintf('Unexpected violations found: %s', implode(', ', $violatedFields)));
+
+        $expected = count($fieldNames);
+        $actual = $validations->count();
+
+        $this->assertEquals($expected, $actual, sprintf('Expected %s violations, found %s.', $expected, $actual));
+    }
+}