name: unit-tests

on:
  pull_request:
  push:
    branches:
      - master

jobs:
  run-tests:
    name: python-${{ matrix.python-version }},django-${{ matrix.django-version }},${{ matrix.shard_name }}
    if: (github.repository == 'edx/edx-platform-private') || (github.repository == 'openedx/edx-platform' && (startsWith(github.base_ref, 'open-release') == false))
    runs-on: [ edx-platform-runner ]
    strategy:
      matrix:
        python-version:
          - "3.8"
        django-version:
          - "pinned"
          #- "4.0"
        shard_name:
          - "lms-1"
          - "lms-2"
          - "lms-3"
          - "lms-4"
          - "lms-5"
          - "lms-6"
          - "openedx-1"
          - "openedx-2"
          - "openedx-3"
          - "openedx-4"
          - "cms-1"
          - "cms-2"
          - "common-1"
          - "common-2"
          - "xmodule-1"
    # We expect Django 4.0 to fail, so don't stop when it fails.
    continue-on-error: ${{ matrix.django-version == '4.0' }}

    steps:
      - name: sync directory owner
        run: sudo chown runner:runner -R .*

      - name: checkout repo
        uses: actions/checkout@v3

      - name: start mongod server for tests
        run: |
          sudo mkdir -p /data/db
          sudo chmod -R a+rw /data/db
          mongod &

      - name: install requirements
        run: |
          sudo make test-requirements
          if [[ "${{ matrix.django-version }}" != "pinned" ]]; then
            sudo pip install "django~=${{ matrix.django-version }}.0"
            sudo pip check # fail if this test-reqs/Django combination is broken
          fi

      - name: list installed package versions
        run: |
          sudo pip freeze

      - name: Setup and run tests
        uses: ./.github/actions/unit-tests

      - name: Renaming coverage data file
        run: |
          mv reports/.coverage reports/${{ matrix.shard_name }}.coverage

      - name: Upload coverage
        uses: actions/upload-artifact@v3
        with:
          name: coverage
          path: reports/${{matrix.shard_name}}.coverage

  # This job aggregates test results. It's the required check for branch protection.
  # https://github.com/marketplace/actions/alls-green#why
  # https://github.com/orgs/community/discussions/33579
  success:
    name: Tests successful
    if: always()
    needs:
      - run-tests
    runs-on: ubuntu-latest
    steps:
      - name: Decide whether the needed jobs succeeded or failed
        # uses: re-actors/alls-green@v1.2.1
        uses: re-actors/alls-green@13b4244b312e8a314951e03958a2f91519a6a3c9
        with:
          jobs: ${{ toJSON(needs) }}

  compile-warnings-report:
    runs-on: [ edx-platform-runner ]
    needs: [ run-tests ]
    steps:
      - name: sync directory owner
        run: sudo chown runner:runner -R .*
      - uses: actions/checkout@v3
      - name: collect pytest warnings files
        uses: actions/download-artifact@v2
        with:
          name: pytest-warnings-json
          path: test_root/log

      - name: display structure of downloaded files
        run: ls -la test_root/log

      - name: compile warnings report
        run: |
          python openedx/core/process_warnings.py --dir-path test_root/log --html-path reports/pytest_warnings/warning_report_all.html

      - name: save warning report
        if: success()
        uses: actions/upload-artifact@v3
        with:
          name: pytest-warning-report-html
          path: |
            reports/pytest_warnings/warning_report_all.html

  # Combine and upload coverage reports.
  coverage:
    needs: run-tests
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: [ 3.8 ]
    steps:
      - name: Checkout repo
        uses: actions/checkout@v3

      - name: Setup Python ${{ matrix.python-version }}
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python-version }}

      - name: Download all artifacts
        uses: actions/download-artifact@v3
        with:
          name: coverage
          path: reports

      - name: Install Python dependencies
        run: |
          pip install -r requirements/edx/coverage.txt

      - name: Run coverage
        run: |
          coverage combine reports/*
          coverage report
          coverage xml
      - uses: codecov/codecov-action@v3