Add GitHub actions

.github/workflow/test.yml

@@ -0,0 +1,32 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+# This workflow will download a prebuilt Ruby version, install dependencies and run tests with Rake
+# For more information see: https://github.com/marketplace/actions/setup-ruby-jruby-and-truffleruby
+
+name: Ruby
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  test:
+    name: Test with Ruby-${{ matrix.ruby }}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby-version: ['2.3', '2.4', '2.5', '2.6', '2.7', '3.0']
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ${{ matrix.ruby-version }}
+        bundler-cache: true
+    - name: Run tests
+      run: bundle exec rake test

README.md

@@ -9,7 +9,7 @@
 
 [![Gem Version](https://badge.fury.io/rb/sinja.svg)](https://badge.fury.io/rb/sinja)
 [![Dependency Status](https://gemnasium.com/badges/github.com/mwpastore/sinja.svg)](https://gemnasium.com/github.com/mwpastore/sinja)
-[![Build Status](https://travis-ci.org/mwpastore/sinja.svg?branch=master)](https://travis-ci.org/mwpastore/sinja)
+[![Build Status](https://github.com/mwpastore/sinja/actions/workflows/test.yml/badge.svg)](https://github.com/mwpastore/sinja/actions)
 [![{json:api} version](https://img.shields.io/badge/%7Bjson%3Aapi%7D%20version-1.0-lightgrey.svg)][7]
 [![Chat in #sinja-rb on Gitter](https://badges.gitter.im/sinja-rb/Lobby.svg)](https://gitter.im/sinja-rb/Lobby)
 

sinja.gemspec

@@ -43,14 +43,11 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'sinatra', '~> 2.0'
   spec.add_dependency 'sinatra-contrib', '~> 2.0'
 
-  spec.add_development_dependency 'bundler', '~> 1.11'
   spec.add_development_dependency 'jdbc-sqlite3', '~> 3.8' if defined?(JRUBY_VERSION)
   spec.add_development_dependency 'minitest', '~> 5.9'
   spec.add_development_dependency 'minitest-hooks', '~> 1.4'
-  #spec.add_development_dependency 'munson', '~> 0.4' # in Gemfile
   spec.add_development_dependency 'rack-test', '~> 0.7.0'
   spec.add_development_dependency 'rake', '~> 12.0'
   spec.add_development_dependency 'sequel', '>= 4.49', '< 6'
-  #spec.add_development_dependency 'sinja-sequel', '~> 0.1' # in Gemfile
   spec.add_development_dependency 'sqlite3', '~> 1.3' if !defined?(JRUBY_VERSION)
 end