chore: Set up GitHub actions CI

.github/workflows/maintenance-cache-wipe.yml

@@ -0,0 +1,13 @@
+---
+name: maintenance-cache-clear
+on:
+  schedule:
+    - cron: "0 0 1 * *"
+  workflow_dispatch:
+
+jobs:
+  cache-clear:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: easimon/wipe-cache@v2

.github/workflows/maintenance-workflow-cleanup.yml

@@ -0,0 +1,17 @@
+---
+name: maintenance-workflow-cleanup
+on:
+  schedule:
+    - cron: "0 0 1 * *"
+  workflow_dispatch:
+
+jobs:
+  delete-workflow-runs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: Mattraks/delete-workflow-runs@v2
+        with:
+          token: ${{ github.token }}
+          repository: ${{ github.repository }}
+          retain_days: 180
+          keep_minimum_runs: 50

.github/workflows/test.yml

@@ -0,0 +1,43 @@
+---
+name: test
+on: push
+jobs:
+  rspec:
+    name: "ruby-${{ matrix.ruby }}"
+    runs-on: ubuntu-22.04
+
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby:
+          - "3.3"
+          - "3.2"
+          - "3.1"
+          - "3.0"
+          - "2.7"
+
+    env:
+      BUNDLE_WITHOUT: development
+
+    steps:
+      - uses: actions/checkout@master
+
+      - run: |
+          sudo apt-get update --quiet
+          sudo apt-get install --quiet --yes libkrb5-dev
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+        env:
+          BUNDLE_JOBS: 4
+          BUNDLE_RETRY: 3
+
+      - run: |
+          bundle exec rspec --color --format documentation
+
+      - uses: codecov/codecov-action@v4
+        with:
+          fail_ci_if_error: true
+          token: ${{ secrets.CODECOV_TOKEN }}

Gemfile

@@ -3,7 +3,9 @@ source 'https://rubygems.org'
 # Specify your gem's dependencies in omniauth-kerberos.gemspec
 gemspec
 
-gem 'codeclimate-test-reporter', '~> 1.0'
 gem 'rack-test'
 gem 'rake'
 gem 'rspec'
+
+gem 'simplecov'
+gem 'simplecov-cobertura'

spec/spec_helper.rb

@@ -1,13 +1,17 @@
 require 'rspec'
 
-if ENV['CI'] || (defined?(:RUBY_ENGINE) && RUBY_ENGINE != 'rbx')
-  begin
-    require 'simplecov'
-    SimpleCov.start
-  rescue LoadError
-  end
+require 'simplecov'
+require 'simplecov-cobertura'
+
+SimpleCov.start do
+  add_filter 'spec'
 end
 
+SimpleCov.formatters = [
+  SimpleCov::Formatter::HTMLFormatter,
+  SimpleCov::Formatter::CoberturaFormatter,
+]
+
 require 'omniauth-kerberos'
 
 Dir[File.expand_path('spec/support/**/*.rb')].each { |f| require f }