pull_request.yml

# Copyright 2023-2024, Pablo Fernandez
#
# This file is part of Repeater World.
#
# Repeater World is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
# Public License as published by the Free Software Foundation, either version 3 of the License.
#
# Repeater World is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied 
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more 
# details.
#
# You should have received a copy of the GNU Affero General Public License along with Repeater World. If not, see
# <https://www.gnu.org/licenses/>.


name: Code Coverage Comparison
on: pull_request
jobs:
  test-head:
    name: Test Head Branch
    runs-on: ubuntu-latest
    timeout-minutes: 20
    services:
      postgres:
        image: postgis/postgis:15-3.3
        ports:
          - "5001:5432"
        env:
          POSTGRES_USER: repeater_world
          POSTGRES_PASSWORD: te6ahng1phi1uizaeGhahMof1
          POSTGRES_DB: repeater_world_test
    env:
      RAILS_ENV: test
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4

      - name: Install Ruby and Gems
        uses: ruby/setup-ruby@v1
        with:
          bundler-cache: true

      - name: Set Up Database Schema
        run: bin/rails db:migrate

      - name: Precompile assets
        run: bundle exec rake assets:precompile

      - name: Run Tests
        run: bundle exec rspec

      - name: Upload Coverage
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: head-result
          path: coverage/.resultset.json
          if-no-files-found: error
          include-hidden-files: true

  test-base:
    name: Test Base Branch
    runs-on: ubuntu-latest
    timeout-minutes: 20
    services:
      postgres:
        image: postgis/postgis:15-3.3
        ports:
          - "5001:5432"
        env:
          POSTGRES_USER: repeater_world
          POSTGRES_PASSWORD: te6ahng1phi1uizaeGhahMof1
          POSTGRES_DB: repeater_world_test
    env:
      RAILS_ENV: test
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4
        with:
          ## Here we do not checkout the current branch, but we checkout the base branch.
          ref: ${{ github.base_ref }}

      - id: base-ref-commit
        run: echo "revision=`git rev-parse HEAD`" >> $GITHUB_ENV

      - name: simplecov resultset cache
        id: simplecov-resultset
        uses:  actions/cache@v4
        with:
          path: coverage/.resultset.json
          key: simplecov-resultset-${{ env.revision }}

      - name: Install Ruby and Gems
        uses: ruby/setup-ruby@v1
        if: steps.simplecov-resultset.outputs.cache-hit != 'true'
        with:
          bundler-cache: true

      - name: Set Up Database Schema
        if: steps.simplecov-resultset.outputs.cache-hit != 'true'
        run: bin/rails db:migrate

      - name: Precompile assets
        if: steps.simplecov-resultset.outputs.cache-hit != 'true'
        run: bundle exec rake assets:precompile

      - name: Run Tests
        if: steps.simplecov-resultset.outputs.cache-hit != 'true'
        run: bundle exec rspec

      - name: Upload Coverage
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: base-result
          path: coverage/.resultset.json
          if-no-files-found: error
          include-hidden-files: true

  compare-coverage:
    name: Compare Coverage
    runs-on: ubuntu-latest
    needs: [test-head, test-base]

    steps:
      - name: Download Base Coverage
        uses: actions/download-artifact@v4
        with:
          name: base-result
          path: ./base-result/

      - name: Download Current Coverage
        uses: actions/download-artifact@v4
        with:
          name: head-result
          path: ./head-result/

      - run: find .

      - uses: pupeno/simplecov-resultset-diff-action@v1.3
        with:
          base-resultset-path: ./base-result/.resultset.json
          head-resultset-path: ./head-result/.resultset.json
          token: ${{ secrets.GITHUB_TOKEN }}