continuous-integration.yml

name: Continuous Integration

on:
  push:
    branches:
      - main
  pull_request:

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
  cancel-in-progress: true

env:
  CI: 1
  CARGO_INCREMENTAL: 0
  CARGO_TERM_COLOR: 'always'
  DIFF: 0
  # For faster CI
  RUST_LOG: 'off'

jobs:
  cargo-fmt:
    name: Cargo fmt
    runs-on: ubuntu-latest
    env:
      RUST_LOG: '0'
    steps:
      - name: Find PR Comment
        id: comment
        if: github.event_name == 'pull_request'
        uses: peter-evans/find-comment@v2
        with:
          issue-number: ${{ github.event.pull_request.number }}
          comment-author: 'github-actions[bot]'
          body-includes: '<!-- CI COMMENT -->'

      - name: Create or update PR comment
        if: github.event_name == 'pull_request' && steps.comment.outputs.comment-id != ''
        uses: peter-evans/create-or-update-comment@v2
        continue-on-error: true
        with:
          comment-id: ${{ steps.comment.outputs.comment-id }}
          issue-number: ${{ github.event.pull_request.number }}
          body: |
            ## :hourglass_flowing_sand: CI is running again... :hourglass_flowing_sand:
            [Wait for it...](https://github.com/Sofi-Tech/Rust-Workers/actions/runs/${{ github.run_id }})
            <!-- CI COMMENT -->
          edit-mode: replace

      - uses: actions/checkout@v3

      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          components: rustfmt

      - run: cargo fmt --all -- --check

  cargo-clippy:
    name: Cargo clippy
    if: >-
      ${{ !contains(github.event.head_commit.message, 'chore: ') }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: true

      - name: Rust Cache
        uses: Swatinem/rust-cache@v2

      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          components: clippy

      - run: cargo clippy --all --all-targets -- -D warnings

  cargo-test:
    name: Cargo test
    if: >-
      ${{ !contains(github.event.head_commit.message, 'chore: ') }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: true

      - name: Rust Cache
        uses: Swatinem/rust-cache@v2

      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal

      - name: Rust tests
        run: cargo test --tests -- -Zunstable-options --report-time  | tee test.txt

      - name: Upload test.txt file to artifacts
        uses: actions/upload-artifact@v3
        with:
          name: test-report
          path: |
            test.txt
            # drop.png
          if-no-files-found: error

      # Above test down't exits if test fails because we are writing it in a file.
      # So checking the file again to see if it was failed
      - name: Fail if test fails
        if: always()
        run: |
          if grep -q "test result: FAILED" test.txt || grep -q "due to previous error" test.txt; then
            exit 1
          fi

  final:
    name: Ok
    needs:
      - cargo-fmt
      - cargo-clippy
      - cargo-test
    if: always()
    permissions:
      contents: read
      pull-requests: write
    runs-on: ubuntu-latest
    steps:
      - name: Check cancellation
        id: cancelled
        if: needs.cargo-fmt.result == 'cancelled' || needs.cargo-clippy.result == 'cancelled' || needs.cargo-test.result == 'cancelled'
        run: echo "cancelled=true" >> $GITHUB_OUTPUT

      - name: Start summary
        run: |
          echo "The following steps have failed in CI" > comment.md
          echo >> comment.md
      - name: Cargo Format
        if: always() && needs.cargo-fmt.result != 'success' && needs.cargo-fmt.result != 'skipped'
        run: |
          echo "- Cargo Format" >> failures.md
          exit 1
      - name: Cargo Clippy
        if: always() && needs.cargo-clippy.result != 'success' && needs.cargo-clippy.result != 'skipped'
        run: |
          echo "- Cargo Clippy" >> failures.md
          exit 1
      - name: Cargo Test
        if: always() && needs.cargo-test.result != 'success' && needs.cargo-test.result != 'skipped'
        run: |
          echo "- Cargo Test" >> failures.md
          exit 1

      - name: Add failure prose text
        if: failure()
        run: |
          echo "## :warning: CI failed :warning:" > comment.md
          echo >> comment.md
          echo "The following steps have failed in CI:" >> comment.md
          echo >> comment.md
          cat failures.md >> comment.md
          echo >> comment.md
          echo "See [workflow summary](https://github.com/Sofi-Tech/Rust-Workers/actions/runs/${{ github.run_id }}) for details">> comment.md
          echo >> comment.md
          echo "<!-- CI COMMENT -->" >> comment.md

      - name: Add success prose text
        if: success()
        run: |
          echo "## :green_circle: CI successful :green_circle:" > comment.md
          echo >> comment.md
          echo "Thanks" >> comment.md
          echo >> comment.md
          echo "<!-- CI COMMENT -->" >> comment.md

      - name: Download test.txt file from artifacts
        if: always() && github.event_name == 'pull_request' && steps.cancelled.outputs.cancelled != 'true'
        uses: actions/download-artifact@v3
        with:
          name: test-report
          path: report/

      - name: Add Test Report
        if: always() && github.event_name == 'pull_request' && steps.cancelled.outputs.cancelled != 'true'
        run: |
          echo "<details>" >> comment.md
          echo "<summary>Test Report</summary>" >> comment.md
          cat report/test.txt >> comment.md
          echo "</details>" >> comment.md

          # Sending image isn't possible atm
          # Sending buffer exits the body limit
          # echo >> comment.md
          # echo "<details>" >> comment.md
          # echo "<summary>Drop.png</summary>" >> comment.md
          # echo "<img src=\"data:image/png;base64," >> comment.md
          # base64 report/drop.png >> comment.md
          # echo "\"/>" >> comment.md
          # echo "</details>" >> comment.md

      - name: Find PR Comment
        id: comment
        if: always() && github.event_name == 'pull_request' && steps.cancelled.outputs.cancelled != 'true'
        uses: peter-evans/find-comment@v2
        with:
          issue-number: ${{ github.event.pull_request.number }}
          comment-author: 'github-actions[bot]'
          body-includes: '<!-- CI COMMENT -->'

      - name: Create or update PR comment
        if: always() && github.event_name == 'pull_request' && steps.cancelled.outputs.cancelled != 'true'
        uses: peter-evans/create-or-update-comment@v2
        continue-on-error: true
        with:
          comment-id: ${{ steps.comment.outputs.comment-id }}
          issue-number: ${{ github.event.pull_request.number }}
          body-file: 'comment.md'
          edit-mode: replace

      - name: It's not fine
        if: failure() && steps.cancelled.outputs.cancelled != 'true'
        run: exit 1

      - name: It's fine
        if: success() && steps.cancelled.outputs.cancelled != 'true'
        run: echo Ok