Preparation for getting rid of deprecated method calls. The bootstrap test file addition is needed to auto-generate Factories which we will need after getting rid of the deprecated 'setMethods' call in the phpunit tests (see next commit).

Author: hostep

.gitignore

@@ -1,3 +1,4 @@
-.php-cs-fixer.cache
-auth.json
+/.php-cs-fixer.cache
+/auth.json
+/Test/.phpunit.result.cache
 /vendor/

Makefile

@@ -39,4 +39,4 @@ checkquality:
 
 .PHONY: test
 test:
-	vendor/bin/phpunit Test/
+	vendor/bin/phpunit -c Test/phpunit.xml Test/

Test/bootstrap.php

@@ -0,0 +1,26 @@
+<?php
+
+// took some inspiration from: https://magento.stackexchange.com/a/116987/2911
+
+declare(strict_types=1);
+
+use Magento\Framework\Code\Generator\Io;
+use Magento\Framework\Filesystem\Driver\File;
+use Magento\Framework\TestFramework\Unit\Autoloader\ExtensionAttributesGenerator;
+use Magento\Framework\TestFramework\Unit\Autoloader\ExtensionAttributesInterfaceGenerator;
+use Magento\Framework\TestFramework\Unit\Autoloader\FactoryGenerator;
+use Magento\Framework\TestFramework\Unit\Autoloader\GeneratedClassesAutoloader;
+
+$generatorIo = new Io(
+    new File(),
+    org\bovigo\vfs\vfsStream::setup('my_generated_classes')->url()
+);
+$generatedCodeAutoloader = new GeneratedClassesAutoloader(
+    [
+        new ExtensionAttributesGenerator(),
+        new ExtensionAttributesInterfaceGenerator(),
+        new FactoryGenerator(),
+    ],
+    $generatorIo
+);
+spl_autoload_register([$generatedCodeAutoloader, 'load']);

Test/phpunit.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/9.5/phpunit.xsd"
+         colors="true"
+         columns="max"
+         bootstrap="./bootstrap.php"
+        >
+</phpunit>

composer.json

@@ -25,9 +25,11 @@
         "ergebnis/composer-normalize": "^2.2",
         "friendsofphp/php-cs-fixer": "^3.0",
         "magento/magento-coding-standard": "^6.0",
+        "mikey179/vfsstream": "^1.6",
         "phpcompatibility/php-compatibility": "^9.2",
         "phpstan/extension-installer": "^1.0",
         "phpstan/phpstan": "^0.12.26",
+        "phpstan/phpstan-deprecation-rules": "^0.12.6",
         "phpunit/phpunit": "^9.0"
     },
     "config": {