Replace the obsolete coveralls gem with coverallsapp/github-action@v1

.github/workflows/ci.yml

@@ -68,6 +68,9 @@ jobs:
       - name: Run tests
         run: bundle exec rake
 
+      - name: Coveralls
+        uses: coverallsapp/github-action@v1
+
   ghcr-build-docker-images:
     name: ghcr-docker-build-${{ matrix.docker_image }}
     needs: run-tests

Gemfile

@@ -159,9 +159,9 @@ group :development do
   group :test do
     gem 'capybara', '~> 2.18'
     gem 'capybara-screenshot'
-    gem 'capybara-select-2', github: 'Hirurg103/capybara_select2', ref: 'fbf22fb74dec10fa0edcd26da7c5184ba8fa2c76',
+    gem 'capybara-select-2', github: 'Hirurg103/capybara_select2',
+                             ref: 'fbf22fb74dec10fa0edcd26da7c5184ba8fa2c76',
                              require: false
-    gem 'coveralls', require: false
     gem 'poltergeist'
     gem 'rails-controller-testing'
     gem 'rr', require: false
@@ -171,6 +171,8 @@ group :development do
     gem 'rspec-mocks'
     gem 'rspec-rails'
     gem 'shoulda-matchers'
+    gem 'simplecov', require: false
+    gem 'simplecov-lcov', '~> 0.8.0', require: false
     gem 'vcr'
     gem 'webmock', '~> 3.5.1'
   end

Gemfile.lock

@@ -218,12 +218,6 @@ GEM
     coffee-script-source (1.12.2)
     concurrent-ruby (1.2.0)
     cookiejar (0.3.3)
-    coveralls (0.8.23)
-      json (>= 1.8, < 3)
-      simplecov (~> 0.16.1)
-      term-ansicolor (~> 1.3)
-      thor (>= 0.19.4, < 2.0)
-      tins (~> 1.6)
     crack (0.4.5)
       rexml
     crass (1.0.6)
@@ -706,11 +700,13 @@ GEM
       jwt (>= 1.5, < 3.0)
       multi_json (~> 1.10)
     simple_oauth (0.3.1)
-    simplecov (0.16.1)
+    simplecov (0.22.0)
       docile (~> 1.1)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
+      simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
+    simplecov-html (0.12.3)
+    simplecov-lcov (0.8.0)
+    simplecov_json_formatter (0.1.4)
     slack-notifier (1.0.0)
     spectrum-rails (1.3.4)
       railties (>= 3.1)
@@ -730,17 +726,12 @@ GEM
     sshkit (1.21.2)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
-    sync (0.5.0)
-    term-ansicolor (1.7.1)
-      tins (~> 1.0)
     thor (1.2.1)
     thread_safe (0.3.6)
     tilt (2.0.10)
     time (0.2.2)
       date
     timeout (0.3.1)
-    tins (1.31.0)
-      sync
     trailblazer-option (0.1.2)
     treetop (1.6.10)
       polyglot (~> 0.3)
@@ -806,7 +797,6 @@ DEPENDENCIES
   capybara-screenshot
   capybara-select-2!
   coffee-rails (~> 5)
-  coveralls
   daemons (~> 1.1.9)
   delayed_job
   delayed_job_active_record
@@ -884,6 +874,8 @@ DEPENDENCIES
   sass-rails (>= 6.0)
   select2-rails (~> 3.5.4)
   shoulda-matchers
+  simplecov
+  simplecov-lcov (~> 0.8.0)
   slack-notifier (~> 1.0.0)
   spectrum-rails
   spring

spec/rails_helper.rb

@@ -4,11 +4,19 @@
   require 'simplecov'
   SimpleCov.start 'rails'
 elsif ENV['CI'] == 'true'
-  require 'coveralls'
-  Coveralls.wear!('rails')
+  require 'simplecov'
+  SimpleCov.start 'rails' do
+    require 'simplecov-lcov'
+    SimpleCov::Formatter::LcovFormatter.config do |c|
+      c.report_with_single_file = true
+      c.single_report_path = 'coverage/lcov.info'
+    end
+    formatter SimpleCov::Formatter::LcovFormatter
+    add_filter %w[version.rb initializer.rb]
+  end
 end
 
-require File.expand_path("../../config/environment", __FILE__)
+require File.expand_path('../config/environment', __dir__)
 require 'rspec/rails'
 require 'webmock/rspec'