Setup codecov code coverage

.github/workflows/ci.yml

@@ -55,14 +55,10 @@ jobs:
         env:
           MYSQL_USER: root
           MYSQL_PASSWORD: root
-      - name: Run codacy-coverage-reporter
-        env:
-          CODACY_PROJECT_TOKEN: ${{ secrets.CODACY_PROJECT_TOKEN }}
-        if: matrix.ruby == '2.7' && env.CODACY_PROJECT_TOKEN
-        uses: codacy/codacy-coverage-reporter-action@master
+      - uses: codecov/codecov-action@v3
+        if: matrix.ruby == '2.7'
         with:
-          project-token: ${{ secrets.CODACY_PROJECT_TOKEN }}
-          coverage-reports: coverage/lcov/faulty.lcov
+          files: coverage/coverage.xml
 
   release:
     needs: test

Gemfile

@@ -20,15 +20,13 @@ gem 'irb', '~> 1.0'
 gem 'mysql2', '>= 0.5.0', platforms: not_jruby
 gem 'redcarpet', '~> 3.5', platforms: not_jruby
 gem 'rspec_junit_formatter', '~> 0.4'
-gem 'simplecov', '>= 0.17.1'
-# 0.8 is incompatible with simplecov < 0.18
-# https://github.com/fortissimo1997/simplecov-lcov/pull/25
-gem 'simplecov-lcov', '~> 0.7', '< 0.8'
 gem 'yard', '~> 0.9.25', platforms: not_jruby
 
 if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('2.6')
   gem 'rubocop', '~> 1.32.0'
   gem 'rubocop-rspec', '~> 2.12'
+  gem 'simplecov', '>= 0.17.1'
+  gem 'simplecov-cobertura', '~> 2.1'
 end
 
 if ENV['REDIS_VERSION']

spec/spec_helper.rb

@@ -2,18 +2,15 @@
 
 require 'byebug' if Gem.loaded_specs['byebug']
 
-if ENV['COVERAGE'] || ENV['CI']
+if Gem.loaded_specs['simplecov'] && (ENV.fetch('COVERAGE', nil) || ENV.fetch('CI', nil))
   require 'simplecov'
   if ENV['CI']
-    require 'simplecov-lcov'
-    SimpleCov::Formatter::LcovFormatter.config.report_with_single_file = true
-    SimpleCov.formatter = SimpleCov::Formatter::LcovFormatter
+    require 'simplecov-cobertura'
+    SimpleCov.formatter = SimpleCov::Formatter::CoberturaFormatter
   end
 
   SimpleCov.start do
-    if Gem::Version.new(SimpleCov::VERSION) >= Gem::Version.new('0.18.0')
-      enable_coverage :branch
-    end
+    enable_coverage :branch
     add_filter '/spec/'
     add_filter '/vendor/'
   end