diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..e674c38
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,22 @@
+on:
+  pull_request:
+  push:
+    branches: [ main ]
+
+jobs:
+  remove_before_launch:
+    runs-on: ubuntu-latest
+    name: Remove before launch
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: .ruby-version
+          bundler-cache: true
+
+      - name: Run Ruby tests
+        run: rake test
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000..4ae6486
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+ruby-3.4.6
diff --git a/Dockerfile b/Dockerfile
index f21591f..6dbe8a7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,4 @@
 FROM ruby:3.4.6-alpine
 COPY remove_before_launch.rb /remove_before_launch.rb
+COPY /lib /lib
 ENTRYPOINT ["ruby", "/remove_before_launch.rb"]
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..97eae5a
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
+
+gem "minitest"
+gem "rake"
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..5cfeea6
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,16 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    minitest (5.26.0)
+    rake (13.3.0)
+
+PLATFORMS
+  arm64-darwin-25
+  x86_64-linux
+
+DEPENDENCIES
+  minitest
+  rake
+
+BUNDLED WITH
+   2.7.1
diff --git a/Rakefile b/Rakefile
new file mode 100644
index 0000000..56926c6
--- /dev/null
+++ b/Rakefile
@@ -0,0 +1,8 @@
+require "minitest/test_task"
+
+Minitest::TestTask.create(:test) do |t|
+  t.libs << "test"
+  t.warning = false
+  t.verbose = true
+  t.test_globs = ["test/**/*_test.rb"]
+end
diff --git a/lib/pull_request_body.rb b/lib/pull_request_body.rb
new file mode 100644
index 0000000..1f85dc0
--- /dev/null
+++ b/lib/pull_request_body.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class PullRequestBody
+  INCOMPLETE_TODO_REGEX = /^\s*-\s+\[\s\]\s+(.+)$/.freeze
+
+  def initialize(text:)
+    @text = text
+  end
+
+  def incomplete_todos
+    @text.scan(INCOMPLETE_TODO_REGEX).map(&:first)
+  end
+end
diff --git a/remove_before_launch.rb b/remove_before_launch.rb
index f69ddb3..9aae4d7 100644
--- a/remove_before_launch.rb
+++ b/remove_before_launch.rb
@@ -1,18 +1,16 @@
 # frozen_string_literal: true
 
-REGEX = /^\s*-\s+\[\s\]\s+(.+)$/.freeze
+require_relative "lib/pull_request_body"
 
-pull_request_body = ARGV[0]
+pull_request_body = PullRequestBody.new(text: ARGV[0])
 
-incomplete_todos = pull_request_body.scan(REGEX)
-
-if incomplete_todos.empty?
+if pull_request_body.incomplete_todos.empty?
   exit 0
 else
   puts "⚠️ There are still uncompleted todos that need your attention:\n\n"
 
-  incomplete_todos.each do |incomplete_todo|
-    puts "□ #{incomplete_todo.first}\n"
+  pull_request_body.incomplete_todos.each do |incomplete_todo|
+    puts "□ #{incomplete_todo}\n"
   end
 
   exit 1
diff --git a/test/pull_request_body_test.rb b/test/pull_request_body_test.rb
new file mode 100644
index 0000000..e0a5a3c
--- /dev/null
+++ b/test/pull_request_body_test.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+require "minitest/autorun"
+require_relative "../lib/pull_request_body"
+
+class PullRequestBodyTest < Minitest::Test
+  TEST_MARKDOWN = <<~MARKDOWN
+    This is a test to see if the parser can look for the different unchecked TODOs that can be bundled in a PR description.
+
+    - [ ] Good syntax
+    - [x] This is a checked TODO
+      - [ ] Nested
+    -  [ ] Bad syntax: extra space after the dash
+
+  MARKDOWN
+
+  def test_find_variously_formatted_incomplete_todos
+    pull_request_body = PullRequestBody.new(text: TEST_MARKDOWN)
+    incomplete_todos = pull_request_body.incomplete_todos
+
+    assert incomplete_todos.length, 3
+    assert incomplete_todos == ["Good syntax", "Nested", "Bad syntax: extra space after the dash"]
+  end
+end