test.yml

name: Tests / Code Coverage
#  Tests / Code Coverage workflow runs unit tests and uploads a code coverage report
#  This workflow is run on pushes to main & every Pull Requests where a .go, .mod, .sum have been changed
on:
  pull_request:
  push:
    branches:
      - main
jobs:
  cleanup-runs:
    runs-on: ubuntu-latest
    steps:
      - uses: rokroskar/workflow-run-cleanup-action@master
        env:
          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
    if: "!startsWith(github.ref, 'refs/tags/') && github.ref != 'refs/heads/main'"

  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2.4.0
      - uses: actions/setup-go@v2.1.5
        with:
          go-version: 1.18
      - uses: technote-space/get-diff-action@v6.1.0
        id: git_diff
        with:
          PATTERNS: |
            **/**.go
            go.mod
            go.sum
      - name: Build
        run: LEDGER_ENABLED=false make build

  split-test-files:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2.4.0
      - name: Create a file with all the pkgs
        run: go list ./... > pkgs.txt
      - name: Split pkgs into 4 files
        run: split -d -n l/4 pkgs.txt pkgs.txt.part.
      # cache multiple
      - uses: actions/upload-artifact@v2
        with:
          name: "${{ github.sha }}-00"
          path: ./pkgs.txt.part.00
      - uses: actions/upload-artifact@v2
        with:
          name: "${{ github.sha }}-01"
          path: ./pkgs.txt.part.01
      - uses: actions/upload-artifact@v2
        with:
          name: "${{ github.sha }}-02"
          path: ./pkgs.txt.part.02
      - uses: actions/upload-artifact@v2
        with:
          name: "${{ github.sha }}-03"
          path: ./pkgs.txt.part.03

  tests:
    runs-on: ubuntu-latest
    needs: split-test-files
    strategy:
      fail-fast: false
      matrix:
        part: ["00", "01", "02", "03"]
    steps:
      - uses: actions/checkout@v2.4.0
      - uses: actions/setup-go@v2.1.5
        with:
          go-version: 1.18
      - uses: technote-space/get-diff-action@v6.1.0
        with:
          PATTERNS: |
            **/**.go
            go.mod
            go.sum
      - uses: actions/download-artifact@v2
        with:
          name: "${{ github.sha }}-${{ matrix.part }}"
        if: env.GIT_DIFF
      - name: test & coverage report creation
        run: |
          cat pkgs.txt.part.${{ matrix.part }} | xargs go test -race -mod=readonly -timeout 30m -coverprofile=${{ matrix.part }}profile.out -covermode=atomic -tags='ledger test_ledger_mock'
        if: env.GIT_DIFF
      - uses: actions/upload-artifact@v2
        with:
          name: "${{ github.sha }}-${{ matrix.part }}-coverage"
          path: ./${{ matrix.part }}profile.out