Move ci pipeline to github actions

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby-version: [ '2.7', '3.0', '3.1', '3.2', '3.3', 'jruby-9.4' ]
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby-version }}
+          bundler-cache: true
+
+      - name: Install dependencies
+        run: bundle install
+
+      - name: Run tests
+        run: bundle exec rspec

.tool-versions

@@ -0,0 +1 @@
+ruby 3.3.5

CHANGELOG.md

@@ -1,6 +1,9 @@
 # Change Log
 All notable changes to this project will be documented in this file.
 
+## 3.0.0 - October 2024
+- BREAKING: Dropped support for ruby 2.6.0 and lower
+
 ## 2.1.1 - October 2021
 - Fixes unintentional newline characters within lists with paragraphs, thanks @diogoosorio, see #93
 - Lets \n to be present in <pre> tag. solves #77 #78, thanks @shivabhusal

README.md

@@ -11,7 +11,7 @@ See [Change Log](CHANGELOG.md)
 ## Requirements
 
 1. [Nokogiri](http://nokogiri.org/)
-2. Ruby 2.0.0 or higher
+2. Ruby 2.7.0 or higher
 
 ## Installation
 

reverse_markdown.gemspec

@@ -23,6 +23,6 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'simplecov'
   s.add_development_dependency 'rake'
   s.add_development_dependency 'kramdown'
-  s.add_development_dependency 'debug'
+  s.add_development_dependency 'debug' unless RUBY_ENGINE == 'jruby'
   s.add_development_dependency 'codeclimate-test-reporter'
 end

spec/lib/reverse_markdown_spec.rb

@@ -36,7 +36,8 @@
 
     describe 'force_encoding option', jruby: :exclude do
       it 'raises invalid byte sequence in UTF-8 exception' do
-        expect { ReverseMarkdown.convert("hi \255") }.to raise_error(Encoding::CompatibilityError)
+        # Older versions of ruby used to raise ArgumentError here. Remove when we drop support for 3.1.
+        expect { ReverseMarkdown.convert("hi \255") }.to raise_error { [Encoding::CompatibilityError, ArgumentError].include?(_1.class) }
       end
 
       it 'handles invalid byte sequence if option is set' do

spec/spec_helper.rb

@@ -1,5 +1,5 @@
 require 'simplecov'
-require 'debug'
+require 'debug' unless RUBY_ENGINE == 'jruby'
 
 SimpleCov.profiles.define 'gem' do
   add_filter '/spec/'