name: Code Coverage

env:
  CI_CODECOV: true
  COVER_ALL: true

on:
  push:
    branches:
      - 'main'
      - '*-maintenance'
      - '*-dev'
      - '*-stable'
    tags:
      - '!*' # Do not execute on tags
  pull_request:
    branches:
      - '*'
  # Allow manually triggering the workflow.
  workflow_dispatch:

# Cancels all previous workflow runs for the same branch that have not yet completed.
concurrency:
  # The concurrency group contains the workflow name and the branch name.
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  test:
    name: Specs with Coverage - Ruby ${{ matrix.ruby }} ${{ matrix.name_extra || '' }}
    if: "!contains(github.event.commits[0].message, '[ci skip]') && !contains(github.event.commits[0].message, '[skip ci]')"
    strategy:
      fail-fast: false
      matrix:
        experimental: [false]
        rubygems:
          - latest
        bundler:
          - latest
        ruby:
          - "2.7"

    runs-on: ubuntu-latest
    continue-on-error: ${{ matrix.experimental || endsWith(matrix.ruby, 'head') }}
    steps:
      - uses: amancevice/setup-code-climate@v0
        name: CodeClimate Install
        if: matrix.ruby == '2.7' && github.event_name != 'pull_request' && always()
        with:
          cc_test_reporter_id: ${{ secrets.CC_TEST_REPORTER_ID }}

      - name: Checkout
        uses: actions/checkout@v3

      - name: Setup Ruby & Bundle
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: ${{ matrix.ruby }}
          rubygems: ${{ matrix.rubygems }}
          bundler: ${{ matrix.bundler }}
          bundler-cache: true

      - name: CodeClimate Pre-build Notification
        run: cc-test-reporter before-build
        if: matrix.ruby == '2.7' && github.event_name != 'pull_request' && always()
        continue-on-error: ${{ matrix.experimental != 'false' }}

      - name: Run tests
        run: bundle exec rake test

      - name: CodeClimate Post-build Notification
        run: cc-test-reporter after-build
        if: matrix.ruby == '2.7' && github.event_name != 'pull_request' && always()
        continue-on-error: ${{ matrix.experimental != 'false' }}

      - name: Code Coverage Summary Report
        uses: irongut/CodeCoverageSummary@v1.2.0
        with:
          filename: ./coverage/coverage.xml
          badge: true
          fail_below_min: true
          format: markdown
          hide_branch_rate: true
          hide_complexity: true
          indicators: true
          output: both
          thresholds: '95 97'
        continue-on-error: ${{ matrix.experimental != 'false' }}

      - name: Add Coverage PR Comment
        uses: marocchino/sticky-pull-request-comment@v2
        if: matrix.ruby == '2.7' && always()
        with:
          recreate: true
          path: code-coverage-results.md
        continue-on-error: ${{ matrix.experimental != 'false' }}

      - name: Coveralls
        uses: coverallsapp/github-action@master
        if: matrix.ruby == '2.7' && github.event_name != 'pull_request' && always()
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
        continue-on-error: ${{ matrix.experimental != 'false' }}

#      Using the codecov gem instead.
#      - name: CodeCov
#        uses: codecov/codecov-action@v2
#        if: matrix.ruby == '2.7' && github.event_name != 'pull_request' && always()
#        with:
#          files: ./coverage/coverage.xml
#          flags: unittests
#          name: codecov-upload
#          fail_ci_if_error: true
#        continue-on-error: ${{ matrix.experimental != 'false' }}

if RUN_COVERAGE
  require "simplecov" # Config file `.simplecov` is run immediately when simplecov loads
  require "codecov"
  require "simplecov-json"
  require "simplecov-lcov"
  require "simplecov-cobertura"
  # This will override any formatter set in .simplecov
  if ALL_FORMATTERS
    SimpleCov::Formatter::LcovFormatter.config do |c|
      c.report_with_single_file = true
      c.single_report_path = "coverage/lcov.info"
    end

    SimpleCov.formatters = [
      SimpleCov::Formatter::HTMLFormatter,
      SimpleCov::Formatter::CoberturaFormatter,
      SimpleCov::Formatter::LcovFormatter,
      SimpleCov::Formatter::JSONFormatter, # For CodeClimate
      SimpleCov::Formatter::Codecov # For CodeCov
    ]
  end
end

# frozen_string_literal: true

# To get coverage
# On Local, default (HTML) output, it just works, coverage is turned on:
#   bundle exec rspec spec
# On Local, all output formats:
#   COVER_ALL=true bundle exec rspec spec
#
# On CI, all output formats, the ENV variables CI is always set,
#   and COVER_ALL, and CI_CODECOV, are set in the coverage.yml workflow only,
#   so coverage only runs in that workflow, and outputs all formats.
#

if RUN_COVERAGE
  SimpleCov.start do
    enable_coverage :branch
    primary_coverage :branch
    add_filter "test"
    track_files "**/*.rb"

    if ALL_FORMATTERS
      command_name "#{ENV["GITHUB_WORKFLOW"]} Job #{ENV["GITHUB_RUN_ID"]}:#{ENV["GITHUB_RUN_NUMBER"]}"
    else
      formatter SimpleCov::Formatter::HTMLFormatter
    end

    minimum_coverage(100)
  end
else
  puts "Not running coverage on #{RUBY_ENGINE} #{RUBY_VERSION}"
end