tests_without_binary.yml

name: Testing without binary
on:
  workflow_call:
    inputs:
      lightning-version:
        type: string
        required: true
        description: The version of Lightning to use. Valid values are either 'release' (most recent release candidate), 'stable' (most recent git-tag) or 'latest' (most recent commit from master)
      pennylane-version:
        type: string
        required: true
        description: The version of PennyLane to use. Valid values are either 'release' (most recent release candidate), 'stable' (most recent git-tag) or 'latest' (most recent commit from master)
  pull_request:
    paths-ignore:
      - pennylane_lightning/core/src/**
  push:
    branches:
      - master

env:
  COVERAGE_FLAGS: "--cov=pennylane_lightning --cov-report=term-missing --cov-report=xml:./coverage.xml --no-flaky-report -p no:warnings --tb=native"

concurrency:
  group: tests_without_binary-${{ github.ref }}-${{ github.event_name }}-${{ inputs.lightning-version }}-${{ inputs.pennylane-version }}
  cancel-in-progress: true

jobs:
  determine_runner:
    name: Determine runner type to use
    uses: ./.github/workflows/determine-workflow-runner.yml
    with:
      default_runner: ubuntu-22.04

  pythontests:
    needs: [determine_runner]
    timeout-minutes: 30
    runs-on: ${{ needs.determine_runner.outputs.runner_group }}
    strategy:
      matrix:
        pl_backend: ["lightning_qubit", "lightning_kokkos", "lightning_gpu", "lightning_tensor"]

    name: Python Tests without Binary (${{ matrix.pl_backend }})

    steps:
      - name: Checkout PennyLane-Lightning
        uses: actions/checkout@v4
        with:
          fetch-tags: true
          path: main

      - name: Switch to release build of Lightning
        if: inputs.lightning-version == 'release'
        run: |
          cd main
          git fetch --all
          git checkout $(git branch -a --list "origin/v*rc*" | tail -1)

      - name: Switch to stable build of Lightning
        if: inputs.lightning-version == 'stable'
        run: |
          cd main
          git fetch --tags --force
          git checkout latest_release
          git log -1 --format='%H'
          git status

      - uses: actions/setup-python@v5
        name: Install Python
        with:
          python-version: '3.9'

      - name: Get required Python packages
        run: |
          rm -fr $(python -m pip cache dir)/selfcheck/
          cd main
          python -m pip install -r requirements-dev.txt

      - name: Checkout PennyLane for release build
        if: inputs.pennylane-version == 'release'
        uses: actions/checkout@v4
        with:
          path: pennylane
          repository: PennyLaneAI/pennylane

      - name: Switch to release build of PennyLane
        if: inputs.pennylane-version == 'release'
        run: |
          cd pennylane
          git fetch --all
          git checkout $(git branch -a --list "origin/v*rc*" | tail -1)
          python -m pip uninstall -y pennylane && python -m pip install . -vv --no-deps

      - name: Install Stable PennyLane
        if: inputs.pennylane-version == 'stable'
        run: |
          cd main
          python -m pip uninstall -y pennylane && python -m pip install -U pennylane

      - name: Install the pennylane_lightning package
        if: ${{ contains(fromJson('["lightning_kokkos", "lightning_gpu", "lightning_tensor"]'), matrix.pl_backend) }}
        run: |
          cd main
          SKIP_COMPILATION=True PL_BACKEND="lightning_qubit" python -m pip install . -vv

      - name: Install backend device
        # FIXME: Remove this condition with v0.37.0 release
        if: matrix.pl_backend != 'lightning_tensor' || inputs.lightning-version != 'stable'
        env:
          SKIP_COMPILATION: True
          PL_BACKEND: ${{ matrix.pl_backend }}
        run: |
          cd main
          python -m pip install . -vv

      - name: Run PennyLane-Lightning unit tests for all backends
        # FIXME: Remove this condition with v0.37.0 release
        if: matrix.pl_backend != 'lightning_tensor' || inputs.lightning-version != 'stable'
        run: |
          cd main/
          DEVICENAME=`echo ${{ matrix.pl_backend }} | sed "s/_/./g"`
          PL_DEVICE=${DEVICENAME} python -m pytest tests/ $COVERAGE_FLAGS

      - name: Upload coverage to Codecov
        # FIXME: Remove this condition with v0.37.0 release
        if: matrix.pl_backend != 'lightning_tensor' || inputs.lightning-version != 'stable'
        uses: codecov/codecov-action@v4
        with:
          files: ./main/coverage.xml
          fail_ci_if_error: true
          verbose: true
          token: ${{ secrets.CODECOV_TOKEN }}