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
      - occ-main # TODO: remove after occ work is done
      - seiv2

permissions:
  contents: read
  pull-requests: write

concurrency:
  group: ci-${{ github.ref }}-tests
  cancel-in-progress: true

jobs:
  split-test-files:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-go@v3
        with:
          go-version: 1.21
      - name: Create a file with all core Cosmos SDK pkgs
        run: go list ./... > pkgs.txt
      - name: Split pkgs into 10 files
        run: split -d -n l/10 pkgs.txt pkgs.txt.part.
      # cache multiple
      - uses: actions/upload-artifact@v3
        with:
          name: "${{ github.sha }}-00"
          path: ./pkgs.txt.part.00
      - uses: actions/upload-artifact@v3
        with:
          name: "${{ github.sha }}-01"
          path: ./pkgs.txt.part.01
      - uses: actions/upload-artifact@v3
        with:
          name: "${{ github.sha }}-02"
          path: ./pkgs.txt.part.02
      - uses: actions/upload-artifact@v3
        with:
          name: "${{ github.sha }}-03"
          path: ./pkgs.txt.part.03
      - uses: actions/upload-artifact@v3
        with:
          name: "${{ github.sha }}-04"
          path: ./pkgs.txt.part.04
      - uses: actions/upload-artifact@v3
        with:
          name: "${{ github.sha }}-05"
          path: ./pkgs.txt.part.05
      - uses: actions/upload-artifact@v3
        with:
          name: "${{ github.sha }}-06"
          path: ./pkgs.txt.part.06
      - uses: actions/upload-artifact@v3
        with:
          name: "${{ github.sha }}-07"
          path: ./pkgs.txt.part.07
      - uses: actions/upload-artifact@v3
        with:
          name: "${{ github.sha }}-08"
          path: ./pkgs.txt.part.08
      - uses: actions/upload-artifact@v3
        with:
          name: "${{ github.sha }}-09"
          path: ./pkgs.txt.part.09

  tests:
    runs-on: ubuntu-latest
    needs: split-test-files
    strategy:
      fail-fast: false
      matrix:
        part: ["00", "01", "02", "03", "04", "05", "06", "07", "08", "09"]
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-python@v3
      - uses: actions/setup-go@v3
        with:
          go-version: 1.21
      - uses: technote-space/get-diff-action@v6.1.0
        with:
          PATTERNS: |
            **/**.go
            go.mod
            go.sum
      - uses: actions/download-artifact@v3
        with:
          name: "${{ github.sha }}-${{ matrix.part }}"
      - name: Get data from Go build cache
        uses: actions/cache@v3
        with:
          path: |
            ~/go/pkg/mod
            ~/.cache/golangci-lint
            ~/.cache/go-build
          key: ${{ runner.os }}-go-build-${{ hashFiles('**/go.sum') }}

      - name: test & coverage report creation
        run: |
          cat pkgs.txt.part.${{ matrix.part }} | xargs go test -mod=readonly -race -timeout 5m -coverprofile=${{ matrix.part }}profile.out -covermode=atomic -tags='ledger test_ledger_mock'

      - uses: actions/upload-artifact@v3
        with:
          name: "${{ github.sha }}-${{ matrix.part }}-coverage"
          path: ./${{ matrix.part }}profile.out

  upload-coverage-report:
    needs: tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-go@v3
        with:
          go-version: 1.21

      # Download all coverage reports from the 'tests' job
      - name: Download coverage reports
        uses: actions/download-artifact@v3

      - name: Set GOPATH
        run: echo "GOPATH=$(go env GOPATH)" >> $GITHUB_ENV

      - name: Add GOPATH/bin to PATH
        run: echo "GOBIN=$(go env GOPATH)/bin" >> $GITHUB_ENV

      - name: Install gocovmerge
        run: go get github.com/wadey/gocovmerge && go install github.com/wadey/gocovmerge

      - name: Merge coverage reports
        run: gocovmerge $(find . -type f -name '*profile.out') > coverage.txt

      - name: Check coverage report lines
        run: wc -l coverage.txt
        continue-on-error: true

      - name: Check coverage report files
        run: ls **/*profile.out
        continue-on-error: true

      # Now we upload the merged report to Codecov
      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v3
        with:
          file: ./coverage.txt
          token: ${{ secrets.CODECOV_TOKEN }}
          fail_ci_if_error: true

  unit-test-check:
    name: Unit Test Check
    runs-on: ubuntu-latest
    needs: tests
    if: always()
    steps:
      - name: Get workflow conclusion
        id: workflow_conclusion
        uses: nick-fields/retry@v2
        with:
          max_attempts: 2
          retry_on: error
          timeout_seconds: 30
          command: |
              jobs=$(curl https://api.github.com/repos/${{ github.repository }}/actions/runs/${{ github.run_id }}/jobs)
              job_statuses=$(echo "$jobs" | jq -r '.jobs[] | .conclusion')

              for status in $job_statuses
              do
                echo "Status: $status"
                if [[ "$status" == "failure" ]]; then
                  echo "Some or all tests have failed!"
                  exit 1
                fi
              done

              echo "All tests have passed!"