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# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt

name: "Coverage"

on:
  # As currently structured, this adds too many jobs (checks?), so don't run it
  # on pull requests yet.
  push:
    branches:
      - master
      - "**/*metacov*"
  workflow_dispatch:

defaults:
  run:
    shell: bash

env:
  PIP_DISABLE_PIP_VERSION_CHECK: 1

jobs:
  coverage:
    name: "Python ${{ matrix.python-version }} on ${{ matrix.os }}"
    runs-on: "${{ matrix.os }}"

    strategy:
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest
        python-version:
          # When changing this list, be sure to check the [gh-actions] list in
          # tox.ini so that tox will run properly.
          - "3.6"
          - "3.7"
          - "3.8"
          - "3.9"
          - "3.10.0-rc.1"
          - "pypy3"
        exclude:
          # Windows PyPy doesn't seem to work?
          - os: windows-latest
            python-version: "pypy3"
      # If one job fails, stop the whole thing.
      fail-fast: true

    steps:
      - name: "Check out the repo"
        uses: "actions/checkout@v2"
        with:
          fetch-depth: "0"

      - name: "Set up Python"
        uses: "actions/setup-python@v2"
        with:
          python-version: "${{ matrix.python-version }}"

      - name: "Install dependencies"
        run: |
          set -xe
          python -VV
          python -m site
          # Need to install setuptools first so that ci.pip will succeed.
          python -m pip install -c requirements/pins.pip setuptools wheel
          python -m pip install -r requirements/ci.pip
          python -m pip install -c requirements/pins.pip tox-gh-actions

      - name: "Run tox coverage for ${{ matrix.python-version }}"
        env:
          COVERAGE_COVERAGE: "yes"
        run: |
          set -xe
          # Something about pytest 6.x with xdist keeps data from collecting.
          # Use -n0 for now.
          python -m tox -- -n 0

      - name: "Combine"
        env:
          COVERAGE_COVERAGE: "yes"
          COVERAGE_RCFILE: "metacov.ini"
          COVERAGE_METAFILE: ".metacov"
        run: |
          set -xe
          COVERAGE_DEBUG=dataio python -m igor combine_html
          mv .metacov .metacov.${{ matrix.python-version }}.${{ matrix.os }}

      - name: "Upload coverage data"
        uses: actions/upload-artifact@v2
        with:
          name: metacov
          path: .metacov.*

  combine:
    name: "Combine coverage data"
    needs: coverage
    runs-on: ubuntu-latest

    steps:
      - name: "Check out the repo"
        uses: "actions/checkout@v2"
        with:
          fetch-depth: "0"

      - name: "Set up Python"
        uses: "actions/setup-python@v2"
        with:
          python-version: "3.9"

      - name: "Install dependencies"
        run: |
          set -xe
          python -VV
          python -m site
          python setup.py --quiet clean develop
          python igor.py zip_mods

      - name: "Download coverage data"
        uses: actions/download-artifact@v2
        with:
          name: metacov

      - name: "Combine and report"
        id: combine
        env:
          COVERAGE_RCFILE: "metacov.ini"
          COVERAGE_METAFILE: ".metacov"
        run: |
          set -xe
          python -m igor combine_html
          python -m coverage json
          echo "::set-output name=total::$(python -c "import json;print(json.load(open('coverage.json'))['totals']['percent_covered_display'])")"

      - name: "Upload to codecov"
        uses: codecov/codecov-action@v1
        with:
          file: coverage.xml

      - name: "Upload HTML report"
        uses: actions/upload-artifact@v2
        with:
          name: html_report
          path: htmlcov

      - name: "Upload JSON report"
        uses: actions/upload-artifact@v2
        with:
          name: json_report
          path: coverage.json

      - name: "Create info for pushing to report repo"
        id: info
        run: |
          export SHA10=$(echo ${{ github.sha }} | cut -c 1-10)
          export SLUG=$(date +'%Y%m%d')_$SHA10
          export REF="${{ github.ref }}"
          echo "::set-output name=sha10::$SHA10"
          echo "::set-output name=slug::$SLUG"
          echo "::set-output name=url::https://nedbat.github.io/coverage-reports/reports/$SLUG/htmlcov"
          echo "::set-output name=branch::${REF#refs/heads/}"

      - name: "Push to report repository"
        uses: sebastian-palma/github-action-push-to-another-repository@allow-creating-destination-directory
        env:
          API_TOKEN_GITHUB: ${{ secrets.COVERAGE_REPORTS_TOKEN }}
        with:
          source-directory: 'htmlcov'
          destination-github-username: 'nedbat'
          destination-repository-name: 'coverage-reports'
          destination-repository-directory: 'reports/${{ steps.info.outputs.slug }}'
          empty-repository: false
          create-destination-directory: true
          target-branch: main
          commit-message: >-
            ${{ steps.combine.outputs.total }}% - ${{ github.event.head_commit.message }}


            ${{ steps.info.outputs.url }}

            ${{ steps.info.outputs.sha10 }}: ${{ steps.info.outputs.branch }}
          user-email: ned@nedbatchelder.com

      - name: "Create redirection HTML file"
        run: |
          echo "<html><head>" > coverage-report-redirect.html
          echo "<meta http-equiv='refresh' content='0;url=${{ steps.info.outputs.url }}' />" >> coverage-report-redirect.html
          echo "<body>Coverage report redirect..." >> coverage-report-redirect.html

      - name: "Upload HTML redirect"
        uses: actions/upload-artifact@v2
        with:
          name: coverage-report-redirect.html
          path: coverage-report-redirect.html

      - name: "Show link to report"
        run: |
          echo "Coverage report: ${{ steps.info.outputs.url }}"