Fix mutation tests by adding a missing unit test

infection.json.dist

@@ -2,6 +2,13 @@
     "source": {
         "directories": [
             "src"
+        ],
+        "excludes": [
+            "Controller",
+            "DependencyInjection/SetonoSyliusOrderEditExtension.php",
+            "Exception",
+            "EventSubscriber",
+            "Form"
         ]
     },
     "logs": {
@@ -12,5 +19,6 @@
         }
     },
     "minMsi": 100.00,
-    "minCoveredMsi": 100.00
+    "minCoveredMsi": 100.00,
+    "testFrameworkOptions": "--testsuite=unit"
 }

phpunit.xml.dist

@@ -8,8 +8,11 @@
         </include>
     </coverage>
     <testsuites>
-        <testsuite name="SetonoSyliusOrderEditPlugin Test Suite">
-            <directory>tests</directory>
+        <testsuite name="unit">
+            <directory>tests/Unit</directory>
+        </testsuite>
+        <testsuite name="functional">
+            <directory>tests/Functional</directory>
         </testsuite>
     </testsuites>
     <php>

tests/Unit/OrderProcessing/OrderPaymentProcessorTest.php

@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Setono\SyliusOrderEditPlugin\Tests\Unit\OrderProcessing;
+
+use PHPUnit\Framework\TestCase;
+use Prophecy\PhpUnit\ProphecyTrait;
+use Setono\SyliusOrderEditPlugin\OrderProcessing\OrderPaymentProcessor;
+use Sylius\Component\Core\Model\OrderInterface;
+use Sylius\Component\Order\Processor\OrderProcessorInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\RequestStack;
+
+final class OrderPaymentProcessorTest extends TestCase
+{
+    use ProphecyTrait;
+
+    public function testItDoesNotAllowToProcessOrderIfItsEdited(): void
+    {
+        $orderProcessor = $this->prophesize(OrderProcessorInterface::class);
+        $requestStack = $this->prophesize(RequestStack::class);
+        $request = new Request([], [], ['_route' => 'setono_sylius_order_edit_admin_update']);
+        $requestStack->getCurrentRequest()->willReturn($request);
+
+        $processor = new OrderPaymentProcessor($orderProcessor->reveal(), $requestStack->reveal());
+
+        $order = $this->prophesize(OrderInterface::class);
+
+        $orderProcessor->process($order)->shouldNotBeCalled();
+
+        $processor->process($order->reveal());
+    }
+
+    public function testItDoesNothingIfItsDifferentRoute(): void
+    {
+        $orderProcessor = $this->prophesize(OrderProcessorInterface::class);
+        $requestStack = $this->prophesize(RequestStack::class);
+        $request = new Request([], [], ['_route' => 'some_other_route']);
+        $requestStack->getCurrentRequest()->willReturn($request);
+
+        $processor = new OrderPaymentProcessor($orderProcessor->reveal(), $requestStack->reveal());
+
+        $order = $this->prophesize(OrderInterface::class);
+
+        $orderProcessor->process($order)->shouldBeCalled();
+
+        $processor->process($order->reveal());
+    }
+}