feat: add unit tests for Price Twig component

.env.test

@@ -0,0 +1,6 @@
+# define your env variables for the test env here
+KERNEL_CLASS='App\Kernel'
+APP_SECRET='$ecretf0rt3st'
+SYMFONY_DEPRECATIONS_HELPER=999999
+PANTHER_APP_ENV=panther
+PANTHER_ERROR_SCREENSHOT_DIR=./var/error-screenshots

.gitignore

@@ -1,4 +1,3 @@
-
 ###> symfony/framework-bundle ###
 /.env.local
 /.env.local.php
@@ -13,3 +12,12 @@
 /public/assets/
 /assets/vendor/
 ###< symfony/asset-mapper ###
+###> phpunit/phpunit ###
+/phpunit.xml
+.phpunit.result.cache
+###< phpunit/phpunit ###
+
+###> symfony/phpunit-bridge ###
+.phpunit.result.cache
+/phpunit.xml
+###< symfony/phpunit-bridge ###

bin/phpunit

@@ -0,0 +1,23 @@
+#!/usr/bin/env php
+<?php
+
+if (!ini_get('date.timezone')) {
+    ini_set('date.timezone', 'UTC');
+}
+
+if (is_file(dirname(__DIR__).'/vendor/phpunit/phpunit/phpunit')) {
+    if (PHP_VERSION_ID >= 80000) {
+        require dirname(__DIR__).'/vendor/phpunit/phpunit/phpunit';
+    } else {
+        define('PHPUNIT_COMPOSER_INSTALL', dirname(__DIR__).'/vendor/autoload.php');
+        require PHPUNIT_COMPOSER_INSTALL;
+        PHPUnit\TextUI\Command::main();
+    }
+} else {
+    if (!is_file(dirname(__DIR__).'/vendor/symfony/phpunit-bridge/bin/simple-phpunit.php')) {
+        echo "Unable to find the `simple-phpunit.php` script in `vendor/symfony/phpunit-bridge/bin/`.\n";
+        exit(1);
+    }
+
+    require dirname(__DIR__).'/vendor/symfony/phpunit-bridge/bin/simple-phpunit.php';
+}

composer.json

@@ -73,5 +73,9 @@
             "require": "7.1.*",
             "docker": true
         }
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^9.5",
+        "symfony/phpunit-bridge": "^7.1"
     }
 }