WIP

Author: Stefan Boonstra

CONTRIBUTING.md

@@ -1,3 +1,5 @@
 If a PR is approved please ask one of the following maintainers to get it merged:
-[Igor Wulff](https://github.com/igorwulff)
-[Dan Wallis](https://github.com/fredden)
+
+- [Igor Wulff](https://github.com/igorwulff)
+- [Leon Helmus](https://github.com/leonhelmus)
+- [Rutger Rademakers](https://github.com/rutgerrademaker)

composer.json

@@ -31,15 +31,18 @@
         "php-parallel-lint/php-parallel-lint": "^1.2",
         "phpro/grumphp-shim": "^1.13",
         "phpstan/phpstan": "@stable",
-        "phpunit/phpunit": "@stable",
         "youwe/coding-standard": "^3.5.0",
-        "youwe/coding-standard-phpstorm": "^2.3.0",
         "youwe/composer-dependency-installer": "^1.4.0",
         "youwe/composer-file-installer": "^1.2.0"
     },
+    "suggest": {
+        "phpunit/phpunit": "^9.6 || ^10.5 || ^11.5 || ^12.0",
+        "youwe/coding-standard-phpstorm": "^2.3.0"
+    },
     "require-dev": {
         "composer/composer": "@stable",
-        "mikey179/vfsstream": "@stable"
+        "mikey179/vfsstream": "@stable",
+        "phpunit/phpunit": "@stable"
     },
     "replace": {
         "sensiolabs/security-checker": "*"

src/Installer/PackagesInstaller.php

@@ -34,7 +34,13 @@ class PackagesInstaller implements InstallerInterface
 
     /** @var array */
     private $mapping = [
-        MappingResolver::DEFAULT_MAPPING_TYPE => [],
+        MappingResolver::DEFAULT_MAPPING_TYPE => [
+            [
+                'name' => 'phpunit/phpunit',
+                'version' => '@stable',
+                'dev' => true
+            ]
+        ],
         'magento1' => [
             [
                 'name' => 'youwe/coding-standard-magento1',
@@ -99,11 +105,10 @@ public function __construct(
     public function install(): void
     {
         $type = $this->typeResolver->resolve();
-        if (!isset($this->mapping[$type])) {
-            return;
-        }
+        $projectTypePackages = $this->mapping[$type] ?? [];
+        $packagesToInstall = array_merge($projectTypePackages, $this->mapping[MappingResolver::DEFAULT_MAPPING_TYPE]);
 
-        foreach ($this->mapping[$type] as $package) {
+        foreach ($packagesToInstall as $package) {
             if (!$this->isPackageRequired($package['name'], $package['version'])) {
                 $this->io->write(
                     sprintf('Requiring package %s', $package['name'])