coverage.yml

# Copyright 2026 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: Coverage

on:
  push:
    branches: [main]
    paths: ['**/*.rs', 'Cargo.toml', 'Cargo.lock']
  pull_request:
    branches: [main]
    paths: ['**/*.rs', 'Cargo.toml', 'Cargo.lock']

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

jobs:
  coverage:
    name: Coverage
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
      
      - name: Install Rust
        uses: dtolnay/rust-toolchain@631a55b12751854ce901bb631d5902ceb48146f7 # stable
        with:
          components: llvm-tools-preview
          
      - name: Install cargo-llvm-cov
        uses: taiki-e/install-action@a37010ded18ff788be4440302bd6830b1ae50d8b # cargo-llvm-cov
        with:
          tool: cargo-llvm-cov
        
      - name: Generate code coverage
        run: cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info
        
      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@b9fd7d16f6d7d1b5d2bec1a2887e65ceed900238 # v4
        with:
          files: lcov.info
          fail_ci_if_error: false
          token: ${{ secrets.CODECOV_TOKEN }}