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name: Unit

on:
  push:
    branches-ignore:
      - 'dependabot/**'
  pull_request:
    branches:
      - 'main'

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || (github.repository == 'openthread/openthread' && github.run_id) || github.ref }}
  cancel-in-progress: true

permissions:  # added using https://github.com/step-security/secure-workflows
  contents: read

jobs:

  tcplp-buffering:
    runs-on: ubuntu-20.04
    steps:
    - name: Harden Runner
      uses: step-security/harden-runner@1b05615854632b887b69ae1be8cbefe72d3ae423 # v2.6.0
      with:
        egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs

    - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
      with:
        submodules: true
    - name: Build
      run: make -C third_party/tcplp/lib/test/
    - name: Run
      run: third_party/tcplp/lib/test/test_all

  unit-tests:
    runs-on: ubuntu-20.04
    env:
      COVERAGE: 1
    steps:
    - name: Harden Runner
      uses: step-security/harden-runner@1b05615854632b887b69ae1be8cbefe72d3ae423 # v2.6.0
      with:
        egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs

    - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
      with:
        submodules: true
    - name: Bootstrap
      run: |
        sudo rm /etc/apt/sources.list.d/* && sudo apt-get update
        sudo apt-get --no-install-recommends install -y ninja-build lcov
    - name: Build Simulation
      run: ./script/cmake-build simulation
    - name: Test Simulation
      run: cd build/simulation && ninja test
    - name: Build POSIX
      run: ./script/cmake-build posix
    - name: Test POSIX
      run: cd build/posix && ninja test
    - name: Generate Coverage
      run: |
        ./script/test generate_coverage gcc
    - uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
      with:
        name: cov-unit-tests
        path: tmp/coverage.info


  upload-coverage:
    needs: unit-tests
    runs-on: ubuntu-20.04
    steps:
    - name: Harden Runner
      uses: step-security/harden-runner@1b05615854632b887b69ae1be8cbefe72d3ae423 # v2.6.0
      with:
        egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs

    - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
      with:
        submodules: true
    - name: Bootstrap
      run: |
        sudo apt-get --no-install-recommends install -y lcov
    - uses: actions/download-artifact@9bc31d5ccc31df68ecc42ccf4149144866c47d8a # v3.0.2
      with:
        path: coverage/
    - name: Combine Coverage
      run: |
        script/test combine_coverage
    - name: Upload Coverage
      uses: codecov/codecov-action@eaaf4bedf32dbdc6b720b63067d99c4d77d6047d # v3.1.4
      with:
        files: final.info
        fail_ci_if_error: true

  delete-coverage-artifacts:
    needs: upload-coverage
    runs-on: ubuntu-20.04
    steps:
    - name: Harden Runner
      uses: step-security/harden-runner@1b05615854632b887b69ae1be8cbefe72d3ae423 # v2.6.0
      with:
        egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs

    - uses: geekyeggo/delete-artifact@54ab544f12cdb7b71613a16a2b5a37a9ade990af # v2.0.0
      with:
        name: cov-*
        useGlob: true