Add GitHub Workflow

.github/workflows/tests.yml

@@ -0,0 +1,106 @@
+name: tests
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - ruby: "2.4"
+            rails: ~> 4.2.0
+            bundler: 1.17.3
+          - ruby: "2.4"
+            rails: ~> 5.0.0
+          - ruby: "2.4"
+            rails: ~> 5.1.0
+          - ruby: "2.4"
+            rails: ~> 5.2.0
+
+          - ruby: "2.5"
+            rails: ~> 5.0.0
+          - ruby: "2.5"
+            rails: ~> 5.1.0
+          - ruby: "2.5"
+            rails: ~> 5.2.0
+          - ruby: "2.5"
+            rails: ~> 6.0.0
+          - ruby: "2.5"
+            rails: ~> 6.1.0
+
+          - ruby: "2.6"
+            rails: ~> 5.0.0
+          - ruby: "2.6"
+            rails: ~> 5.1.0
+          - ruby: "2.6"
+            rails: ~> 5.2.0
+          - ruby: "2.6"
+            rails: ~> 6.0.0
+          - ruby: "2.6"
+            rails: ~> 6.1.0
+
+          - ruby: "2.7"
+            rails: ~> 5.0.0
+          - ruby: "2.7"
+            rails: ~> 5.1.0
+          - ruby: "2.7"
+            rails: ~> 5.2.0
+          - ruby: "2.7"
+            rails: ~> 6.0.0
+          - ruby: "2.7"
+            rails: ~> 6.1.0
+          - ruby: "2.7"
+            rails: ~> 7.0.0
+          - ruby: "2.7"
+            rails: ~> 7.1.0
+
+          - ruby: "3.0"
+            rails: ~> 6.0.0
+          - ruby: "3.0"
+            rails: ~> 6.1.0
+          - ruby: "3.0"
+            rails: ~> 7.0.0
+          - ruby: "3.0"
+            rails: ~> 7.1.0
+
+          - ruby: "3.1"
+            rails: ~> 6.0.0
+          - ruby: "3.1"
+            rails: ~> 6.1.0
+          - ruby: "3.1"
+            rails: ~> 7.0.0
+          - ruby: "3.1"
+            rails: ~> 7.1.0
+          - ruby: "3.1"
+            rails: edge
+
+          - ruby: "3.2"
+            rails: ~> 6.0.0
+          - ruby: "3.2"
+            rails: ~> 6.1.0
+          - ruby: "3.2"
+            rails: ~> 7.0.0
+          - ruby: "3.2"
+            rails: ~> 7.1.0
+          - ruby: "3.2"
+            rails: edge
+
+          - ruby: head
+            rails: ~> 7.1.0
+          - ruby: head
+            rails: edge
+
+    env:
+      RAILS_VERSION: ${{ matrix.rails }}
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ${{ matrix.ruby }}
+        bundler: ${{ matrix.bundler }}
+    - name: Run bundle update
+      run: bundle update
+    - name: Run tests
+      run: bin/rake

Gemfile

@@ -1,11 +1,12 @@
 source "https://rubygems.org"
 
-# rubocop:disable Bundler/DuplicatedGem
-if ENV["RAILS_VERSION"]
-  gem "rails", ENV["RAILS_VERSION"]
-elsif ENV["RAILS_BRANCH"]
-  gem "rails", git: "https://github.com/rails/rails.git", branch: ENV["RAILS_BRANCH"]
+if ENV["RAILS_VERSION"] == "edge"
+  gem "rails", git: "https://github.com/rails/rails.git", branch: "main"
+end
+
+# Lock loofah to old version for Ruby 2.4
+unless RUBY_VERSION > "2.5"
+  gem "loofah", "~> 2.20.0"
 end
-# rubocop:enable Bundler/DuplicatedGem
 
 gemspec

bin/rake

@@ -0,0 +1,27 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'rake' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
+
+bundle_binstub = File.expand_path("bundle", __dir__)
+
+if File.file?(bundle_binstub)
+  if File.read(bundle_binstub, 300).include?("This file was generated by Bundler")
+    load(bundle_binstub)
+  else
+    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
+Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
+  end
+end
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("rake", "rake")

omniauth-rails_csrf_protection.gemspec

@@ -32,6 +32,11 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "bundler"
   spec.add_development_dependency "minitest"
-  spec.add_development_dependency "rails"
+
+  # We set requirement for Edge Rails in the Gemfile
+  unless ENV["RAILS_VERSION"] == "edge"
+    spec.add_development_dependency "rails", ENV["RAILS_VERSION"]
+  end
+
   spec.add_development_dependency "rake"
 end

test/test_helper.rb

@@ -18,7 +18,12 @@ def silence_warnings
   gemfile do
     source "https://rubygems.org"
 
-    gem "rails"
+    if ENV["RAILS_VERSION"] == "edge"
+      gem "rails", git: "https://github.com/rails/rails.git", branch: "main"
+    else
+      gem "rails"
+    end
+
     gem "omniauth"
     gem "omniauth-rails_csrf_protection", path: File.expand_path("..", __dir__)
   end