name: GnuTests

# spell-checker:ignore (names) gnulib ; (utils) autopoint gperf pyinotify texinfo ; (vars) XPASS

on: [push, pull_request]

jobs:
  gnu:
    name: Run GNU tests
    runs-on: ubuntu-latest
    steps:
    - name: Checkout code uutil
      uses: actions/checkout@v2
      with:
        path: 'uutils'
    - name: Checkout GNU coreutils
      uses: actions/checkout@v2
      with:
        repository: 'coreutils/coreutils'
        path: 'gnu'
        ref: v9.0
    - name: Checkout GNU coreutils library (gnulib)
      uses: actions/checkout@v2
      with:
        repository: 'coreutils/gnulib'
        path: 'gnulib'
        ref: 8e99f24c0931a38880c6ee9b8287c7da80b0036b
        fetch-depth: 0 # gnu gets upset if gnulib is a shallow checkout
    - name: Install `rust` toolchain
      uses: actions-rs/toolchain@v1
      with:
        toolchain: stable
        default: true
        profile: minimal # minimal component installation (ie, no documentation)
        components: rustfmt
    - name: Install dependencies
      shell: bash
      run: |
        ## Install dependencies
        sudo apt-get update
        sudo apt-get install autoconf autopoint bison texinfo gperf gcc g++ gdb python-pyinotify jq
    - name: Build binaries
      shell: bash
      run: |
        ## Build binaries
        cd uutils
        bash util/build-gnu.sh
    - name: Run GNU tests
      shell: bash
      run: |
        bash uutils/util/run-gnu-test.sh
    - name: Extract testing info
      shell: bash
      run: |
        ## Extract testing info
        LOG_FILE=gnu/tests/test-suite.log
        if test -f "$LOG_FILE"
        then
            TOTAL=$(sed -n "s/.*# TOTAL: \(.*\)/\1/p"  "$LOG_FILE"|tr -d '\r'|head -n1)
            PASS=$(sed -n "s/.*# PASS: \(.*\)/\1/p" "$LOG_FILE"|tr -d '\r'|head -n1)
            SKIP=$(sed -n "s/.*# SKIP: \(.*\)/\1/p" "$LOG_FILE"|tr -d '\r'|head -n1)
            FAIL=$(sed -n "s/.*# FAIL: \(.*\)/\1/p" "$LOG_FILE"|tr -d '\r'|head -n1)
            XPASS=$(sed -n "s/.*# XPASS: \(.*\)/\1/p" "$LOG_FILE"|tr -d '\r'|head -n1)
            ERROR=$(sed -n "s/.*# ERROR: \(.*\)/\1/p" "$LOG_FILE"|tr -d '\r'|head -n1)
            if [[ "$TOTAL" -eq 0 || "$TOTAL" -eq 1 ]]; then
               echo "Error in the execution, failing early"
               exit 1
            fi
            output="GNU tests summary = TOTAL: $TOTAL / PASS: $PASS / FAIL: $FAIL / ERROR: $ERROR"
            echo "${output}"
            if [[ "$FAIL" -gt 0 || "$ERROR" -gt 0 ]]; then echo "::warning ::${output}" ; fi
            jq -n \
                  --arg date "$(date --rfc-email)" \
                  --arg sha "$GITHUB_SHA" \
                  --arg total "$TOTAL" \
                  --arg pass "$PASS" \
                  --arg skip "$SKIP" \
                  --arg fail "$FAIL" \
                  --arg xpass "$XPASS" \
                  --arg error "$ERROR" \
                  '{($date): { sha: $sha, total: $total, pass: $pass, skip: $skip, fail: $fail, xpass: $xpass, error: $error, }}' > gnu-result.json
          else
            echo "::error ::Failed to get summary of test results"
          fi
    - uses: actions/upload-artifact@v2
      with:
        name: test-report
        path: gnu/tests/**/*.log
    - uses: actions/upload-artifact@v2
      with:
        name: gnu-result
        path: gnu-result.json
    - name: Download the result
      uses: dawidd6/action-download-artifact@v2
      with:
        workflow: GnuTests.yml
        name: gnu-result
        repo: uutils/coreutils
        branch: main
        path: dl
    - name: Download the log
      uses: dawidd6/action-download-artifact@v2
      with:
        workflow: GnuTests.yml
        name: test-report
        repo: uutils/coreutils
        branch: main
        path: dl
    - name: Compare failing tests against main
      shell: bash
      run: |
            OLD_FAILING=$(sed -n "s/^FAIL: \([[:print:]]\+\).*/\1/p" dl/test-suite.log | sort)
            NEW_FAILING=$(sed -n "s/^FAIL: \([[:print:]]\+\).*/\1/p" gnu/tests/test-suite.log | sort)
            for LINE in $OLD_FAILING
            do
              if ! grep -Fxq $LINE<<<"$NEW_FAILING"; then
                echo "::warning ::Congrats! The gnu test $LINE is now passing!"
              fi
            done
            for LINE in $NEW_FAILING
            do
              if ! grep -Fxq $LINE<<<"$OLD_FAILING"
              then
                echo "::error ::GNU test failed: $LINE. $LINE is passing on 'main'. Maybe you have to rebase?"
              fi
            done
    - name: Compare against main results
      shell: bash
      run: |
        mv dl/gnu-result.json main-gnu-result.json
        python uutils/util/compare_gnu_result.py