Collect coverage from all previous tests

.github/workflows/test.yml

@@ -73,3 +73,29 @@ jobs:
 
       - name: Run tests
         run: bundle exec rspec
+
+      - name: Upload test coverage folder for later reporting
+        uses: actions/upload-artifact@v3
+        with:
+          name: coverage-reports
+          path: ${{github.workspace}}/coverage-*/coverage.json
+          retention-days: 1
+
+  coverage:
+    name: Report coverage to Code Climate
+    runs-on: ubuntu-20.04
+    needs: test
+    if: success() && github.ref == 'refs/heads/main'
+    env:
+      CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Download coverage reports from the test job
+        uses: actions/download-artifact@v3
+        with:
+          name: coverage-reports
+
+      - uses: paambaati/codeclimate-action@v3.2.0
+        with:
+          coverageLocations: "coverage-*/coverage.json:simplecov"

.simplecov

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+require 'openssl'
+require 'simplecov_json_formatter'
+
+SimpleCov.start do
+  command_name "Job #{File.basename(ENV['BUNDLE_GEMFILE'])}" if ENV['BUNDLE_GEMFILE']
+  project_name 'Ruby JWT - Ruby JSON Web Token implementation'
+  coverage_dir "coverage-#{::OpenSSL::Digest::SHA256.hexdigest(ENV['GITHUB_STEP_SUMMARY'])}" if ENV['GITHUB_STEP_SUMMARY']
+  add_filter 'spec'
+end
+
+if ENV['CI']
+  SimpleCov.formatters = SimpleCov::Formatter::JSONFormatter
+end

Rakefile

@@ -3,14 +3,10 @@
 require 'bundler/setup'
 require 'bundler/gem_tasks'
 
-begin
-  require 'rspec/core/rake_task'
-  require 'rubocop/rake_task'
+require 'rspec/core/rake_task'
+require 'rubocop/rake_task'
 
-  RSpec::Core::RakeTask.new(:test)
-  RuboCop::RakeTask.new(:rubocop)
+RSpec::Core::RakeTask.new(:test)
+RuboCop::RakeTask.new(:rubocop)
 
-  task default: %i[rubocop test]
-rescue LoadError
-  puts 'RSpec rake tasks not available. Please run "bundle install" to install missing dependencies.'
-end
+task default: %i[rubocop test]

spec/spec_helper.rb

@@ -2,20 +2,13 @@
 
 require 'rspec'
 require 'simplecov'
-
-SimpleCov.start do
-  root File.join(File.dirname(__FILE__), '..')
-  project_name 'Ruby JWT - Ruby JSON Web Token implementation'
-  add_filter 'spec'
-end
-
 require 'jwt'
 
 puts "OpenSSL::VERSION: #{OpenSSL::VERSION}"
 puts "OpenSSL::OPENSSL_VERSION: #{OpenSSL::OPENSSL_VERSION}"
 puts "OpenSSL::OPENSSL_LIBRARY_VERSION: #{OpenSSL::OPENSSL_LIBRARY_VERSION}\n\n"
 
-CERT_PATH = File.join(File.dirname(__FILE__), 'fixtures', 'certs')
+CERT_PATH = File.join(__dir__, 'fixtures', 'certs')
 
 RSpec.configure do |config|
   config.expect_with :rspec do |c|