Makes rubocop happy. (#848)

* Makes rubocop happy.

* Updates GH action matrix.

* Improves Actions.

Author: LeFnord

.github/workflows/ci.yml

@@ -0,0 +1,42 @@
+name: Ruby
+
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+    branches:
+      - '*'
+
+jobs:
+  rubocop:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.0'
+          bundler-cache: true
+      - name: Run rubocop
+        run: bundle exec rubocop --parallel --format progress
+
+  rspec:
+    runs-on: ubuntu-latest
+    needs: ['rubocop']
+    strategy:
+      matrix:
+        ruby-version: ['2.7', '3.0', '3.1', 'head']
+        grape-version: [1.6.2, 1.5.3]
+        model-parser: [grape-swagger-entity, grape-swagger-representable, '']
+    steps:
+    - name: Check out branch
+      uses: actions/checkout@v2
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ${{ matrix.ruby-version }}
+        GRAPE_VERSION: ${{ matrix.grape-version }}
+        MODEL_PARSER: ${{ matrix.model-parser }}
+        bundler-cache: true
+    - name: Run rspec rest of the suite
+      run: bundle exec rspec

.github/workflows/rubocop.yml

@@ -107,6 +107,10 @@ Style/HashTransformKeys:
 Style/HashTransformValues:
   Enabled: true
 
+Style/OpenStructUse:
+  Exclude:
+    - spec/**/*
+
 Style/RegexpLiteral:
   Enabled: false
 

.github/workflows/ruby.yml

@@ -13,7 +13,9 @@ Gem::Specification.new do |s|
   s.summary     = 'Add auto generated documentation to your Grape API that can be displayed with Swagger.'
   s.license     = 'MIT'
 
-  s.required_ruby_version = '>= 2.5'
+  s.metadata['rubygems_mfa_required'] = 'true'
+
+  s.required_ruby_version = '>= 2.7'
   s.add_runtime_dependency 'grape', '~> 1.3'
 
   s.files         = `git ls-files`.split("\n")

.rubocop.yml

@@ -5,10 +5,6 @@
   require 'coveralls'
 
   SimpleCov.formatter = Coveralls::SimpleCov::Formatter
-  SimpleCov.start do
-    add_filter 'spec/'
-    add_filter 'example/'
-  end
   Coveralls.wear!
 end