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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-24.04
    steps:
    - name: Harden Runner
      uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
      with:
        egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs

    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
      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-22.04
    env:
      COVERAGE: 1
    steps:
    - name: Harden Runner
      uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
      with:
        egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs

    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
      with:
        submodules: true
    - name: Bootstrap
      run: |
        sudo apt-get update
        sudo apt-get --no-install-recommends install -y ninja-build lcov libgtest-dev libgmock-dev
    - name: Build Simulation
      run: ./script/cmake-build simulation -DOT_BUILD_GTEST=ON -DOT_BORDER_ROUTING=ON -DOT_BORDER_ROUTING_DHCP6_PD=ON
    - name: Test Simulation
      run: cd build/simulation && ninja test
    - name: Build Multipan Simulation
      run: ./script/cmake-build simulation -DOT_BUILD_GTEST=ON -DOT_MULTIPAN_RCP=ON -DOT_FTD=OFF -DOT_MTD=OFF
    - name: Test Multipan Simulation
      run: cd build/simulation && ninja test
    - name: Build NCP Simulation
      run: ./script/cmake-build simulation -DOT_BUILD_GTEST=OFF -DOT_MTD=OFF -DOT_RCP=OFF -DOT_APP_CLI=OFF -DOT_APP_RCP=OFF \
               -DOT_BORDER_ROUTING=ON -DOT_NCP_INFRA_IF=ON -DOT_SRP_SERVER=ON -DOT_NCP_DNSSD=ON -DOT_PLATFORM_DNSSD=ON -DOT_NCP_CLI_STREAM=ON
    - name: Test NCP 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@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
      with:
        name: cov-unit-tests
        path: tmp/coverage.info
        retention-days: 1

  upload-coverage:
    needs: unit-tests
    runs-on: ubuntu-24.04
    steps:
    - name: Harden Runner
      uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
      with:
        egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs

    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
      with:
        submodules: true
    - name: Bootstrap
      run: |
        sudo apt-get --no-install-recommends install -y lcov
    - uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5.0.0
      with:
        path: coverage/
        pattern: cov-*
        merge-multiple: true
    - name: Combine Coverage
      run: |
        script/test combine_coverage
    - name: Upload Coverage
      uses: codecov/codecov-action@5a1091511ad55cbe89839c7260b706298ca349f7 # v5.5.1
      env:
        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
      with:
        files: final.info
        fail_ci_if_error: true