add in code-coverage reporting

Author: urkle

.github/workflows/prs.yml

@@ -43,11 +43,22 @@ jobs:
       run: bundle exec rspec
     - name: Run rubocop
       run: bundle exec rubocop
+    - name: Coveralls Parallel
+      if: "${{ !env.ACT }}"
+      uses: coverallsapp/github-action@master
+      with:
+        github-token: "${{ secrets.GITHUB_TOKEN }}"
+        flag-name: run-${{ matrix.ruby }}-${{ matrix.activerecord }}
+        parallel: true
   finish:
     name: All CI Tests Passed
     needs:
       - test
     runs-on: ubuntu-latest
     steps:
-      - name: 'All tests finished'
-        run: echo "All tests finished"
+      - name: Coveralls Finished
+        if: "${{ !env.ACT }}"
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+          parallel-finished: true

.gitignore

@@ -8,3 +8,4 @@ gemfiles/*.lock
 .ruby-version
 .ruby-gemset
 .rspec
+/coverage

.simplecov

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+SimpleCov.configure do
+  enable_coverage :branch
+  add_filter '/spec/'
+
+  add_group 'Binaries', '/bin/'
+  add_group 'Libraries', '/lib/'
+
+  if ENV['CI']
+    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
+  end
+end

README.markdown

@@ -1,4 +1,5 @@
 [![Build Status](https://github.com/OutOfOrder/multidb/actions/workflows/prs.yml/badge.svg)](https://github.com/OutOfOrder/multidb/actions)
+[![Coverage Status](https://coveralls.io/repos/github/OutOfOrder/multidb/badge.svg?branch=master)](https://coveralls.io/github/OutOfOrder/multidb?branch=master)
 
 # Multidb
 

ar-multidb.gemspec

@@ -25,6 +25,8 @@ Gem::Specification.new do |s|
 
   s.add_development_dependency 'rake', '~> 13.0'
   s.add_development_dependency 'rspec', '~> 3.8'
-  s.add_development_dependency 'rubocop', '~> 1.12'
+  s.add_development_dependency 'rubocop', '~> 1.28'
+  s.add_development_dependency 'simplecov', '~> 0.21.2'
+  s.add_development_dependency 'simplecov-lcov', '~> 0.8.0'
   s.add_development_dependency 'sqlite3', '~> 1.3'
 end

spec/spec_helper.rb

@@ -1,5 +1,8 @@
 # frozen_string_literal: true
 
+require 'simplecov'
+SimpleCov.start
+
 ENV['RACK_ENV'] ||= 'test'
 
 require 'rspec'