migrate CI to GitHub Actions (#552)

* setup github actions
* allow failure for mongoid 6 + 7
* add jobs for active record 6
* remove 2.3 and 2.4 from matrix
* remove known failing instances
* add ruby 2.7 as tested ruby
* remove travis configuration

Author: thomas-mcdonald

.github/workflows/activerecord.yml

@@ -0,0 +1,27 @@
+name: activerecord
+on: [push]
+jobs:
+  ubuntu:
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    strategy:
+      matrix:
+        gemfile: [activerecord_4, activerecord_5, activerecord_6]
+        ruby: [2.5.7, 2.6.5, 2.7.2]
+    env:
+      BUNDLE_GEMFILE: gemfiles/${{ matrix.gemfile }}.gemfile
+      ADAPTER: active_record
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+      - run: sudo apt-get install -y libsqlite3-dev
+      - run: gem update --system
+      - run: gem install bundler
+      - run: gem --version
+      - run: bundle install
+      - name: Run Tests
+        run: |
+          bundle exec rake

.github/workflows/mongoid.yml

@@ -0,0 +1,32 @@
+name: mongoid
+on: [push]
+jobs:
+  ubuntu:
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    services:
+      mongodb:
+        image: mongo:3.4.23
+        ports:
+          - 27017:27017
+    strategy:
+      matrix:
+        gemfile: [mongoid_5]
+        ruby: [2.5.7, 2.6.5, 2.7.2]
+    env:
+      BUNDLE_GEMFILE: gemfiles/${{ matrix.gemfile }}.gemfile
+      ADAPTER: mongoid
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+      - run: sudo apt-get install -y libsqlite3-dev
+      - run: gem update --system
+      - run: gem install bundler
+      - run: gem --version
+      - run: bundle install
+      - name: Run Tests
+        run: |
+          bundle exec rake

.travis.yml

@@ -15,7 +15,7 @@ RSpec::Core::RakeTask.new(:rolify) do |task|
   task.pattern = 'spec/rolify/**/*_spec.rb'
 end
 
-if !ENV["APPRAISAL_INITIALIZED"] && !ENV["TRAVIS"]
+if !ENV["APPRAISAL_INITIALIZED"] && !ENV["CI"]
   task :default => :appraisal
 else
   task :default => [ :spec, 'coveralls:push' ]