Add workflow for computation of code coverage

.github/workflows/test.yml

@@ -19,12 +19,18 @@ jobs:
           - 3306:3306
         options: --health-cmd "mysqladmin ping -h localhost" --health-interval 10s --health-timeout 5s --health-retries 5
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Use ruby from .ruby-version
         uses: ruby/setup-ruby@v1
         with:
           bundler-cache: true
       - name: Run tests
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         run: |
           bundle exec rails db:test:prepare
           bundle exec rails test
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}

Gemfile

@@ -7,7 +7,7 @@ ruby "3.1.2"
 gem "rails", "~> 7.0.3", ">= 7.0.3.1"
 
 # Use mysql as the database for Active Record
-gem "mysql2", "~> 0.5"
+gem "mysql2", "~> 0.5", "> 0.5.5"
 
 # Use the Puma web server [https://github.com/puma/puma]
 gem "puma", "~> 5.0"
@@ -39,6 +39,10 @@ gem "bootsnap", require: false
 group :development, :test do
   # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem
   gem "debug", platforms: %i[ mri mingw x64_mingw ]
+
+  #Codecov for coverage processing
+  gem 'simplecov'
+  gem 'simplecov-cobertura'
 end
 
 group :development do

Gemfile.lock

@@ -90,6 +90,7 @@ GEM
       irb (>= 1.3.6)
       reline (>= 0.3.1)
     digest (3.1.0)
+    docile (1.4.0)
     erubi (1.11.0)
     faraday (2.5.2)
       faraday-net_http (>= 2.0, < 3.1)
@@ -118,7 +119,7 @@ GEM
     minitest (5.18.0)
     msgpack (1.5.6)
     multi_json (1.15.0)
-    mysql2 (0.5.4)
+    mysql2 (0.5.6)
     net-imap (0.2.3)
       digest
       net-protocol
@@ -216,6 +217,15 @@ GEM
     sawyer (0.9.2)
       addressable (>= 2.3.5)
       faraday (>= 0.17.3, < 3)
+    simplecov (0.22.0)
+      docile (~> 1.1)
+      simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
+    simplecov-cobertura (2.1.0)
+      rexml
+      simplecov (~> 0.19)
+    simplecov-html (0.12.3)
+    simplecov_json_formatter (0.1.4)
     sshkit (1.21.3)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
@@ -243,7 +253,7 @@ DEPENDENCIES
   debug
   jbuilder
   multi_json (~> 1.15.0)
-  mysql2 (~> 0.5)
+  mysql2 (~> 0.5, > 0.5.5)
   octokit (~> 5.4)
   oj (~> 3.13)
   puma (~> 5.0)
@@ -252,6 +262,8 @@ DEPENDENCIES
   responders (~> 3.0)
   rubocop (~> 1.36)
   rubocop-rails (~> 2.18)
+  simplecov
+  simplecov-cobertura
   stathat (~> 0.1.7)
   tzinfo-data
 

test/test_helper.rb

@@ -2,10 +2,24 @@
 require_relative "../config/environment"
 require "rails/test_help"
 
+require 'simplecov'
+SimpleCov.start 'rails'
+
+require 'simplecov-cobertura'
+SimpleCov.formatter = SimpleCov::Formatter::CoberturaFormatter
+
 class ActiveSupport::TestCase
   # Run tests in parallel with specified workers
   parallelize(workers: :number_of_processors)
 
+  parallelize_setup do |worker|
+    SimpleCov.command_name "#{SimpleCov.command_name}-#{worker}"
+  end
+
+  parallelize_teardown do |_worker|
+    SimpleCov.result
+  end
+
   # Setup all fixtures in test/fixtures/*.yml for all tests in alphabetical order.
   fixtures :all