From 61a6072fd8e86569a419ace45b5685ee585deb01 Mon Sep 17 00:00:00 2001
From: Christian Flothmann <christian.flothmann@qossmic.com>
Date: Tue, 9 Jul 2024 14:40:58 +0200
Subject: [PATCH] run tests using GitHub actions

---
 .github/workflows/unit-tests.yaml | 42 +++++++++++++++++++++++++++++++
 Parsedown.php                     |  4 +--
 composer.json                     |  2 +-
 test/CommonMarkTestStrict.php     |  4 ++-
 4 files changed, 48 insertions(+), 4 deletions(-)
 create mode 100644 .github/workflows/unit-tests.yaml

diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
new file mode 100644
index 0000000..0232fba
--- /dev/null
+++ b/.github/workflows/unit-tests.yaml
@@ -0,0 +1,42 @@
+on:
+    - push
+    - pull_request
+
+jobs:
+    phpunit:
+        runs-on: ubuntu-latest
+
+        strategy:
+            matrix:
+                php:
+                    - '5.3'
+                    - '5.4'
+                    - '5.5'
+                    - '5.6'
+                    - '7.0'
+                    - '7.1'
+                    - '7.2'
+                    - '7.3'
+                    - '7.4'
+                    - '8.0'
+                    - '8.1'
+                    - '8.2'
+                    - '8.3'
+                    - '8.4'
+
+        steps:
+            - name: Checkout the source code
+              uses: actions/checkout@v4
+
+            - name: Set up PHP
+              uses: shivammathur/setup-php@v2
+              with:
+                  php-version: '${{ matrix.php }}'
+
+            - name: Install dependencies
+              run: composer install
+
+            - name: Run tests
+              run: |
+                  vendor/bin/phpunit
+                  vendor/bin/phpunit test/CommonMarkTestWeak.php || true
diff --git a/Parsedown.php b/Parsedown.php
index d9b5476..1b9d6d5 100644
--- a/Parsedown.php
+++ b/Parsedown.php
@@ -712,7 +712,7 @@ class Parsedown
     #
     # Setext
 
-    protected function blockSetextHeader($Line, ?array $Block = null)
+    protected function blockSetextHeader($Line, array $Block = null)
     {
         if ( ! isset($Block) or isset($Block['type']) or isset($Block['interrupted']))
         {
@@ -850,7 +850,7 @@ class Parsedown
     #
     # Table
 
-    protected function blockTable($Line, ?array $Block = null)
+    protected function blockTable($Line, array $Block = null)
     {
         if ( ! isset($Block) or isset($Block['type']) or isset($Block['interrupted']))
         {
diff --git a/composer.json b/composer.json
index f8b40f8..2d09c36 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
         "ext-mbstring": "*"
     },
     "require-dev": {
-        "phpunit/phpunit": "^4.8.35"
+        "phpunit/phpunit": "^4.8|^5.7|^6.5|^7.5|^8.5|^9.6"
     },
     "autoload": {
         "psr-0": {"Parsedown": ""}
diff --git a/test/CommonMarkTestStrict.php b/test/CommonMarkTestStrict.php
index 3837738..9a007e2 100644
--- a/test/CommonMarkTestStrict.php
+++ b/test/CommonMarkTestStrict.php
@@ -1,11 +1,13 @@
 <?php
 
+use PHPUnit\Framework\TestCase;
+
 /**
  * Test Parsedown against the CommonMark spec
  *
  * @link http://commonmark.org/ CommonMark
  */
-class CommonMarkTestStrict extends PHPUnit_Framework_TestCase
+class CommonMarkTestStrict extends TestCase
 {
     const SPEC_URL = 'https://raw.githubusercontent.com/jgm/CommonMark/master/spec.txt';