Setup tests

Author: Bellangelo

.gitignore

@@ -1,6 +1,3 @@
 composer.phar
 /vendor/
-
-# Commit your application's lock file https://getcomposer.org/doc/01-basic-usage.md#commit-your-composer-lock-file-to-version-control
-# You may choose to ignore a library lock file http://getcomposer.org/doc/02-libraries.md#lock-file
-# composer.lock
+.phpunit.result.cache

composer.json

@@ -31,6 +31,7 @@
         "phpcs": "./vendor/bin/phpcs --standard=PSR12 src tests",
         "phpcs:fix": "./vendor/bin/phpcbf --standard=PSR12 src tests",
         "phpstan": "./vendor/bin/phpstan analyse src -c phpstan.neon",
+        "tests": "./vendor/bin/phpunit tests",
         "docker:shell": "docker run --rm --interactive --tty --volume $PWD:/app composer /bin/sh"
     }
 }

phpunit.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        backupGlobals="false"
+        backupStaticAttributes="false"
+        colors="true"
+        convertErrorsToExceptions="true"
+        convertNoticesToExceptions="true"
+        convertWarningsToExceptions="true"
+        processIsolation="false"
+        stopOnFailure="false"
+        xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+        failOnWarning="true"
+>
+    <coverage>
+        <include>
+            <directory suffix=".php">src/</directory>
+        </include>
+    </coverage>
+</phpunit>