build_and_test.yml

name: Build and test

on:
  pull_request:
    branches:
      - main
  push:
    branches:
      - main
  schedule:
    # 03:00 every Saturday morning
    - cron: '0 3 * * 6'
  workflow_dispatch: {}

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

jobs:
  check_changes:
    name: Check tket library version
    runs-on: ubuntu-22.04
    outputs:
      tket_or_workflow_changed: ${{ steps.filter.outputs.tket_or_workflow }}
      tket_changed: ${{ steps.filter.outputs.tket }}
      doxyfile_or_workflow_changed: ${{ steps.filter.outputs.doxyfile_or_workflow }}
      pytket_or_workflow_changed: ${{ steps.filter.outputs.pytket_or_workflow }}
      tket_ver: ${{ steps.tket_ver.outputs.tket_ver }}
      tket_package_exists: ${{ steps.tket_package_exists.outputs.tket_package_exists }}
    steps:
    - uses: actions/checkout@v4
    - uses: actions/setup-python@v5
      with:
        python-version: '3.12'
    - uses: dorny/paths-filter@v3.0.2
      id: filter
      with:
        base: ${{ github.ref }}
        filters: |
          tket:
            - '{tket/src/**,tket/include/**,tket/conanfile.py,tket/CMakeLists.txt,tket/cmake/**,tket/test/**,tket/proptest/**}'
          tket_or_workflow:
            - '{tket/src/**,tket/include/**,tket/conanfile.py,tket/CMakeLists.txt,tket/cmake/**,tket/test/**,tket/proptest/**}'
            - '.github/workflows/build_and_test.yml'
          doxyfile_or_workflow:
            - '{tket/Doxyfile}'
            - '.github/workflows/build_and_test.yml'
          pytket_or_workflow:
            - 'pytket/**'
            - '.github/workflows/build_and_test.yml'
    - name: Install conan
      uses: turtlebrowser/get-conan@v1.2
    - name: parse version from conanfile
      id: tket_ver
      run: |
        tket_ver=$(conan inspect tket/conanfile.py | grep "^version: " | awk '{print $2}')
        echo "tket_ver=${tket_ver}" >> $GITHUB_OUTPUT
    - name: See if version exists on remote
      id: test_package_exists
      run: |
        conan remote add tket-libs https://quantinuumsw.jfrog.io/artifactory/api/conan/tket1-libs --index 0
        tket_package_exists=`conan search -r tket-libs "tket/${{ steps.tket_ver.outputs.tket_ver }}@tket/stable" | grep "not found" > /dev/null 2>&1 && echo false || echo true`
        echo "tket_package_exists=${tket_package_exists}" >> $GITHUB_OUTPUT
    - name: Check tket version bump
      if: github.event_name == 'pull_request' && steps.filter.outputs.tket == 'true' && steps.test_package_exists.outputs.tket_package_exists == 'true'
      run: exit 1

  check_docs_tket:
    name: Check documentation build
    needs: check_changes
    if: needs.check_changes.outputs.tket_or_workflow_changed == 'true' || needs.check_changes.outputs.doxyfile_or_workflow_changed == 'true'
    runs-on: 'ubuntu-22.04'
    steps:
      - uses: actions/checkout@v4
      - name: Check doxygen
        run: |
          sudo apt install -y doxygen graphviz
          cd tket && doxygen

  check_format_tket:
    name: Check C++ code formatting
    needs: check_changes
    if: needs.check_changes.outputs.tket_or_workflow_changed == 'true'
    runs-on: 'macos-12'
    steps:
      - uses: actions/checkout@v4
      - name: Check C++ code formatting
        run: |
          brew update
          brew install clang-format@18
          git ls-files "*.cpp" "*.hpp" | xargs clang-format -style=file -i
          git diff --exit-code

  build_test_tket:
    name: Build and test (tket)
    needs: check_changes
    if: needs.check_changes.outputs.tket_or_workflow_changed == 'true'
    strategy:
      matrix:
        os: ['ubuntu-22.04', 'macos-12', 'macos-14']
    runs-on: ${{ matrix.os }}
    steps:
    - uses: actions/checkout@v4
    - name: apt update
      if: matrix.os == 'ubuntu-22.04'
      run: sudo apt update
    - name: Select Python 3.11
      # otherwise turtlebrowser/get-conan@v1.2 fails on macos-12
      uses: actions/setup-python@v5
      with:
        python-version: '3.11'
    - name: Install conan
      uses: turtlebrowser/get-conan@v1.2
    - name: Set up conan
      run: |
        conan profile detect
        DEFAULT_PROFILE_PATH=`conan profile path default`
        PROFILE_PATH=./conan-profiles/${{ matrix.os }}
        diff ${DEFAULT_PROFILE_PATH} ${PROFILE_PATH} || true
        cp ${PROFILE_PATH} ${DEFAULT_PROFILE_PATH}
        conan remote add tket-libs https://quantinuumsw.jfrog.io/artifactory/api/conan/tket1-libs --index 0
    - name: Install runtime test requirements
      if: matrix.os == 'ubuntu-22.04' && github.event_name == 'schedule'
      run: |
        sudo apt install texlive texlive-latex-extra latexmk
        mkdir -p ~/texmf/tex/latex
        wget http://mirrors.ctan.org/graphics/pgf/contrib/quantikz/tikzlibraryquantikz.code.tex -P ~/texmf/tex/latex
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        key: tket-static-${{ matrix.os }}
    - name: further ccache config
      run: |
        ccache --set-config base_dir=${HOME}
        ccache --set-config compiler_check=content
        ccache --set-config namespace=WITH_TESTS
        ccache -p
    - name: Build tket
      run: conan create tket -s build_type=Release --user=tket --channel=stable -o boost/*:header_only=True -o with_all_tests=True
    - name: Upload package
      if: github.event_name == 'push'
      run: |
        ccache --set-config namespace=WITHOUT_TESTS
        conan create tket --user=tket --channel=stable -o boost/*:header_only=True
        conan remote login -p ${{ secrets.JFROG_ARTIFACTORY_TOKEN_3 }} tket-libs ${{ secrets.JFROG_ARTIFACTORY_USER_3 }}
        conan upload tket/${{ needs.check_changes.outputs.tket_ver }}@tket/stable -r=tket-libs

  build_test_tket_windows:
    name: Build and test (tket)
    needs: check_changes
    if: needs.check_changes.outputs.tket_or_workflow_changed == 'true'
    strategy:
      matrix:
        os: ['windows-2022']
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
      - name: Install conan
        uses: turtlebrowser/get-conan@v1.2
      - name: Set up conan
        shell: bash
        run: |
          conan profile detect
          DEFAULT_PROFILE_PATH=`conan profile path default`
          PROFILE_PATH=./conan-profiles/${{ matrix.os }}
          diff ${DEFAULT_PROFILE_PATH} ${PROFILE_PATH} || true
          cp ${PROFILE_PATH} ${DEFAULT_PROFILE_PATH}
          conan remote add tket-libs https://quantinuumsw.jfrog.io/artifactory/api/conan/tket1-libs --index 0
      - name: normalize line endings in conanfile and src directory
        # This is necessary to ensure consistent revisions across platforms.
        # Conan's revision hash is composed of hashes of all the exported files,
        # so we must normalize the line endings in these.
        run: |
          $tket_files = Get-ChildItem "tket" -File -Recurse
          foreach ($f in $tket_files) {
            $normalized_file = [IO.File]::ReadAllText($f) -replace "`r`n", "`n"
            [IO.File]::WriteAllText($f, $normalized_file)
          }
      - name: ninja ccache setup
        # This is what hendrikmuhs/ccache-action does, but for windows (theirs is buggy on windows)
        id: ninja-ccache-setup
        run: |
          choco upgrade ccache ninja
          $ccache_dir = ccache --get-config cache_dir
          echo ccache_dir=$ccache_dir >> $env:GITHUB_OUTPUT
          ccache --set-config=max_size='500M'
          ccache --set-config=compression=true
          ccache --set-config compiler_check=content
          ccache --set-config namespace=WITH_TESTS
          ccache -p
      - name: Get current time
        uses: josStorer/get-current-time@v2.1.2
        id: current_time
        with:
          format: YYYYMMDDHHmmss
      - name: ccache windows
        uses: actions/cache@v4
        with:
          path: ${{ steps.ninja-ccache-setup.outputs.ccache_dir }}
          key: tket-static-${{ matrix.os }}-${{ steps.current_time.outputs.formattedTime }}
          restore-keys: |
            tket-static-${{ matrix.os }}-
      - name: Build tket
        # On windows use build + export-pkg so build directory is consistent across runs (i.e. don't build from conan cache)
        # Necessary because setting ccache base_dir doesn't currently work on windows
        run: |
          conan build tket --user=tket --channel=stable -o boost/*:header_only=True -o with_all_tests=True -c tools.cmake.cmaketoolchain:generator=Ninja
          conan export-pkg tket --user=tket --channel=stable -o boost/*:header_only=True -o with_all_tests=True -c tools.cmake.cmaketoolchain:generator=Ninja
      - name: Upload package
        if: github.event_name == 'push'
        run: |
          ccache --set-config namespace=WITHOUT_TESTS
          conan build tket --user=tket --channel=stable -o boost/*:header_only=True
          conan export-pkg tket --user=tket --channel=stable -o boost/*:header_only=True
          conan remote login -p ${{ secrets.JFROG_ARTIFACTORY_TOKEN_3 }} tket-libs ${{ secrets.JFROG_ARTIFACTORY_USER_3 }}
          conan upload tket/${{ needs.check_changes.outputs.tket_ver }}@tket/stable -r=tket-libs
      - name: ccache stats
        run: |
          ccache -s  #show stats
          ccache -z  #show stats

  build_test_pytket_ubuntu:
    name: Build and test pytket (ubuntu)
    needs: check_changes
    if: needs.check_changes.outputs.tket_or_workflow_changed == 'true' || needs.check_changes.outputs.pytket_or_workflow_changed == 'true'
    runs-on: ubuntu-22.04
    steps:
    - uses: actions/checkout@v4
    - name: Install conan
      uses: turtlebrowser/get-conan@v1.2
    - name: Set up conan
      run: |
        conan profile detect
        DEFAULT_PROFILE_PATH=`conan profile path default`
        PROFILE_PATH=./conan-profiles/ubuntu-22.04
        diff ${DEFAULT_PROFILE_PATH} ${PROFILE_PATH} || true
        cp ${PROFILE_PATH} ${DEFAULT_PROFILE_PATH}
        conan remote add tket-libs https://quantinuumsw.jfrog.io/artifactory/api/conan/tket1-libs --index 0
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        key: tket-dynamic-ubuntu-22.04
    - name: further ccache config
      run: |
        ccache --set-config base_dir=${HOME}
        ccache --set-config compiler_check=content
        ccache -p
    - name: Build tket
      if: needs.check_changes.outputs.tket_changed == 'true'
      run: conan create tket --user tket --channel stable -o boost/*:header_only=True -o tklog/*:shared=True -o tket/*:shared=True -tf ""
    - name: Install tket
      if: needs.check_changes.outputs.tket_changed != 'true'
      run: conan install --requires tket/${{ needs.check_changes.outputs.tket_ver }}@tket/stable -o boost/*:header_only=True -o tklog/*:shared=True -o tket/*:shared=True
    - name: check that version is consistent
      if: github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
      run: ./.github/workflows/check-tket-reqs  ${{ needs.check_changes.outputs.tket_ver }}
    - name: Install pytket requirements
      run: |
        conan create recipes/pybind11
        conan create recipes/pybind11_json/all --version 0.2.13
    - name: Set up Python (pull request)
      if: github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
      uses: actions/setup-python@v5
      with:
        python-version: '3.10'
    - name: Set up Python (push)
      if: github.event_name == 'push'
      uses: actions/setup-python@v5
      with:
        python-version: '3.11'
    - name: Set up Python (schedule)
      if: github.event_name == 'schedule'
      uses: actions/setup-python@v5
      with:
        python-version: '3.12'
    - name: Build pytket
      if: github.event_name != 'schedule'
      run: |
        cd pytket
        pip install -e .[ZX] -v
    - name: Build pytket
      if: github.event_name == 'schedule' # https://github.com/CQCL/tket/issues/1242
      run: |
        cd pytket
        pip install -e . -v
    - name: Run doctests
      run: |
        cd pytket
        pip install pytest
        pytest --doctest-modules pytket
    - name: Test pytket with coverage
      if: github.event_name == 'pull_request' || github.event_name == 'push' || github.event_name == 'workflow_dispatch'
      run: |
        cd pytket/tests
        pip install -r requirements.txt
        pytest --ignore=simulator/ --hypothesis-seed=1 --cov=../pytket --cov-branch --cov-report=html --cov-report=xml:htmlcov/cov.xml
    - name: Test pytket
      if: github.event_name != 'pull_request' || github.event_name == 'workflow_dispatch'
      run: |
        cd pytket/tests
        pip install -r requirements.txt
        pytest --ignore=simulator/
    - name: Test building docs
      if: github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
      timeout-minutes: 20
      run: |
        pip install -r pytket/docs/requirements.txt
        ./.github/workflows/build-docs
    - name: Upload artefact
      if: github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
      uses: actions/upload-artifact@v4
      with:
        name: pytket_docs
        path: pytket/docs/build/html/
    - name: Upload pytket coverage artefact
      if: github.event_name == 'pull_request' || github.event_name == 'push' || github.event_name == 'workflow_dispatch'
      uses: actions/upload-artifact@v4
      with:
        name: pytket_test_coverage
        path: pytket/tests/htmlcov
    - name: Upload package
      if: github.event_name == 'push' && needs.check_changes.outputs.tket_changed == 'true'
      run: |
        conan remote login -p ${{ secrets.JFROG_ARTIFACTORY_TOKEN_3 }} tket-libs ${{ secrets.JFROG_ARTIFACTORY_USER_3 }}
        conan upload tket/${{ needs.check_changes.outputs.tket_ver }}@tket/stable -r=tket-libs

  build_test_pytket_macos:
    name: Build and test pytket (macos)
    needs: check_changes
    if: needs.check_changes.outputs.tket_or_workflow_changed == 'true' || needs.check_changes.outputs.pytket_or_workflow_changed == 'true'
    strategy:
      matrix:
        os: ['macos-12', 'macos-14']
    runs-on: ${{ matrix.os }}
    steps:
    - uses: actions/checkout@v4
    - name: Select Python 3.11
      # otherwise turtlebrowser/get-conan@v1.2 fails on macos-12
      uses: actions/setup-python@v5
      with:
        python-version: '3.11'
    - name: Install conan
      uses: turtlebrowser/get-conan@v1.2
    - name: Set up conan
      run: |
        conan profile detect
        DEFAULT_PROFILE_PATH=`conan profile path default`
        PROFILE_PATH=./conan-profiles/${{ matrix.os }}
        diff ${DEFAULT_PROFILE_PATH} ${PROFILE_PATH} || true
        cp ${PROFILE_PATH} ${DEFAULT_PROFILE_PATH}
        conan remote add tket-libs https://quantinuumsw.jfrog.io/artifactory/api/conan/tket1-libs --index 0
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        key: tket-dynamic-macos-12
    - name: further ccache config
      run: |
        ccache --set-config base_dir=${HOME}
        ccache --set-config compiler_check=content
        ccache -p
    - name: Build tket
      if: needs.check_changes.outputs.tket_changed == 'true'
      run: conan create tket --user tket --channel stable -o boost/*:header_only=True -o tklog/*:shared=True -o tket/*:shared=True -tf ""
    - name: Install tket
      if: needs.check_changes.outputs.tket_changed != 'true'
      run: conan install --requires tket/${{ needs.check_changes.outputs.tket_ver }}@tket/stable -o boost/*:header_only=True -o tklog/*:shared=True -o tket/*:shared=True
    - name: check that version is consistent
      if: github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
      run: ./.github/workflows/check-tket-reqs  ${{ needs.check_changes.outputs.tket_ver }}
    - name: Install pytket requirements
      run: |
        conan create recipes/pybind11
        conan create recipes/pybind11_json/all --version 0.2.13
    - name: Set up Python (pull request)
      if: github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
      uses: actions/setup-python@v5
      with:
        python-version: '3.10'
    - name: Set up Python (push)
      if: github.event_name == 'push'
      uses: actions/setup-python@v5
      with:
        python-version: '3.11'
    - name: Set up Python (schedule)
      if: github.event_name == 'schedule'
      uses: actions/setup-python@v5
      with:
        python-version: '3.12'
    - name: Build pytket
      run: |
        cd pytket
        python -m pip install -e .[ZX] -v
    - name: Run doctests
      run: |
        cd pytket
        python -m pip install pytest
        python -m pytest --doctest-modules pytket
    - name: Test pytket
      run: |
        cd pytket/tests
        python -m pip install -r requirements.txt
        python -m pytest --ignore=simulator/
    - name: Check type stubs are up-to-date and run mypy
      if: matrix.os == 'macos-14' && (github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch')
      run: |
        python -m pip install -U mypy pybind11-stubgen
        cd pytket
        ./stub_generation/regenerate_stubs
        git diff --quiet pytket/_tket && echo "Stubs are up-to-date" || exit 1  # fail if stubs change after regeneration
        python -m mypy --config-file=mypy.ini --no-incremental -p pytket -p tests
    - name: Upload package
      if: github.event_name == 'push' && needs.check_changes.outputs.tket_changed == 'true'
      run: |
        conan remote login -p ${{ secrets.JFROG_ARTIFACTORY_TOKEN_3 }} tket-libs ${{ secrets.JFROG_ARTIFACTORY_USER_3 }}
        conan upload tket/${{ needs.check_changes.outputs.tket_ver }}@tket/stable -r=tket-libs

  build_test_pytket_windows:
    name: Build and test pytket (windows)
    needs: check_changes
    if: needs.check_changes.outputs.tket_or_workflow_changed == 'true' || needs.check_changes.outputs.pytket_or_workflow_changed == 'true'
    runs-on: windows-2022
    steps:
    - uses: actions/checkout@v4
    - name: Install conan
      uses: turtlebrowser/get-conan@v1.2
    - name: Set up conan
      shell: bash
      run: |
        conan profile detect
        DEFAULT_PROFILE_PATH=`conan profile path default`
        PROFILE_PATH=./conan-profiles/windows-2022
        diff ${DEFAULT_PROFILE_PATH} ${PROFILE_PATH} || true
        cp ${PROFILE_PATH} ${DEFAULT_PROFILE_PATH}
        conan remote add tket-libs https://quantinuumsw.jfrog.io/artifactory/api/conan/tket1-libs --index 0
    - name: normalize line endings in conanfile and src directory
      # This is necessary to ensure consistent revisions across platforms.
      # Conan's revision hash is composed of hashes of all the exported files,
      # so we must normalize the line endings in these.
      run: |
             $tket_files = Get-ChildItem "tket" -File -Recurse
             foreach ($f in $tket_files) {
             $normalized_file = [IO.File]::ReadAllText($f) -replace "`r`n", "`n"
             [IO.File]::WriteAllText($f, $normalized_file)
             }
    - name: ccache setup
        # This is what hendrikmuhs/ccache-action does, but for windows (theirs is buggy on windows)
      id: ccache-setup
      run: |
        choco upgrade ccache
        $ccache_dir = ccache --get-config cache_dir
        echo ccache_dir=$ccache_dir >> $env:GITHUB_OUTPUT
        ccache --set-config=max_size='500M'
        ccache --set-config=compression=true
        ccache --set-config compiler_check=content
        ccache --set-config namespace=WITH_TESTS
        ccache -p
    - name: Get current time
      uses: josStorer/get-current-time@v2.1.2
      id: current_time
      with:
        format: YYYYMMDDHHmmss
    - name: ccache windows
      uses: actions/cache@v4
      with:
        path: ${{ steps.ccache-setup.outputs.ccache_dir }}
        key: tket-dynamic-visual-studio-windows-2022-${{ steps.current_time.outputs.formattedTime }}
        restore-keys: |
          tket-dynamic-visual-studio-windows-2022
    - name: get ccache path
      id: ccache-path
      shell: bash
      run: |
        ccache --shimgen-noop > ccache-info.txt || true
        a=$(cat ccache-info.txt | grep executable)
        # strip off the initial "  path to executable: "
        b=${a:22}
        echo "ccache_path=${b}" >> $GITHUB_OUTPUT
    - name: Build tket
      if: needs.check_changes.outputs.tket_changed == 'true'
      run: |
        $env:TKET_VSGEN_CCACHE_EXE = '${{ steps.ccache-path.outputs.ccache_path }}'
        conan build tket --user tket --channel stable -o boost/*:header_only=True -o tklog/*:shared=True -o tket/*:shared=True
        conan export-pkg tket --user tket --channel stable -o boost/*:header_only=True -o tklog/*:shared=True -o tket/*:shared=True -tf ""
    - name: Install tket
      if: needs.check_changes.outputs.tket_changed != 'true'
      run: conan install --requires tket/${{ needs.check_changes.outputs.tket_ver }}@tket/stable -o boost/*:header_only=True -o tklog/*:shared=True -o tket/*:shared=True
    - name: check that version is consistent
      if: github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
      run: ./.github/workflows/check-tket-reqs  ${{ needs.check_changes.outputs.tket_ver }}
    - name: Install pytket requirements
      run: |
        conan create recipes/pybind11
        conan create recipes/pybind11_json/all --version 0.2.13
    - name: Set up Python 3.10
      if: github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
      uses: actions/setup-python@v5
      with:
        python-version: '3.10'
    - name: Set up Python 3.11
      if: github.event_name == 'push'
      uses: actions/setup-python@v5
      with:
        python-version: '3.11'
    - name: Set up Python 3.12
      if: github.event_name == 'schedule'
      uses: actions/setup-python@v5
      with:
        python-version: '3.12'
    - name: Build pytket
      run: |
        cd pytket
        pip install -e .[ZX] -v
    - name: Run doctests
      run: |
        cd pytket
        pip install pytest
        pytest --doctest-modules pytket
    - name: Test pytket
      run: |
        cd pytket/tests
        pip install -r requirements.txt
        pytest --ignore=simulator/
    - name: Upload package
      if: github.event_name == 'push' && needs.check_changes.outputs.tket_changed == 'true'
      run: |
        conan remote login -p ${{ secrets.JFROG_ARTIFACTORY_TOKEN_3 }} tket-libs ${{ secrets.JFROG_ARTIFACTORY_USER_3 }}
        conan upload tket/${{ needs.check_changes.outputs.tket_ver }}@tket/stable -r=tket-libs
    - name: ccache stats
      run: |
        ccache -s  #show stats
        ccache -z  #show stats

  publish_pytket_coverage:
    name: Publish pytket coverage
    needs: build_test_pytket_ubuntu
    concurrency: gh_pages
    if: github.event_name == 'push'
    runs-on: ubuntu-22.04
    steps:
    - uses: actions/checkout@v4
      with:
        ref: gh-pages
    - name: Download artefact
      uses: actions/download-artifact@v4
      with:
        name: pytket_test_coverage
        path: htmlcov/
    - name: Configure git
      run: |
        git config --global user.email "tket-bot@cambridgequantum.com"
        git config --global user.name  "«$GITHUB_WORKFLOW» github action"
    - name: Remove old report
      run: git rm -r docs/pytket/test-coverage
    - name: Add report to repository
      run: |
        mv htmlcov docs/pytket/test-coverage
        git add -f docs/pytket/test-coverage
        git commit --allow-empty -m "Add generated pytket coverage report."
    - name: Publish report
      run: git push origin gh-pages:gh-pages

  check_pytket_coverage:
    name: Check pytket line and branch coverage
    needs: build_test_pytket_ubuntu
    if: github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
    runs-on: ubuntu-22.04
    steps:
    - uses: actions/checkout@v4
    - name: Download artefact
      uses: actions/download-artifact@v4
      with:
        name: pytket_test_coverage
        path: pytket-test-coverage/
    - name: Compare with latest report from main
      run: |
        wget https://cqcl.github.io/tket/pytket/test-coverage/cov.xml -O oldcov.xml
        ./.github/workflows/compare-pytket-coverage oldcov.xml pytket-test-coverage/cov.xml

  check_all_build_and_test_jobs_successful:
    name: All build and test jobs successful (or skipped)
    needs:
      - check_changes
      - check_docs_tket
      - check_format_tket
      - build_test_tket
      - build_test_tket_windows
      - publish_pytket_coverage
      - build_test_pytket_macos
      - build_test_pytket_ubuntu
      - build_test_pytket_windows
      - publish_pytket_coverage
      - check_pytket_coverage
    if: always()
    runs-on: ubuntu-22.04
    steps:
      - shell: python
        name: Check job results
        run: |
          results = [
              "${{ needs.check_changes.result }}",
              "${{ needs.check_docs_tket.result }}",
              "${{ needs.check_format_tket.result }}",
              "${{ needs.build_test_tket.result }}",
              "${{ needs.build_test_tket_windows.result }}",
              "${{ needs.publish_pytket_coverage.result }}",
              "${{ needs.build_test_pytket_macos.result }}",
              "${{ needs.build_test_pytket_ubuntu.result }}",
              "${{ needs.build_test_pytket_windows.result }}"
              "${{ needs.publish_pytket_coverage.result }}",
              "${{ needs.check_pytket_coverage.result }}",
          ]
          if "failure" in results or "cancelled" in results:
              raise Exception