build_and_test.yml

# This workflow will build a golang project
# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go

name: Tests

on:
  push:
    tags:
    branches:
      - main
  pull_request:
    branches:

# Declare default permissions as read only.
permissions: read-all

jobs:

  build-and-test-individually:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go-version: [ '1.21', '1.22' ]
        go-module: [ '.', './otel', './examples']

    defaults:
      run:
        working-directory: ${{ matrix.go-module }}

    steps:
      - uses: actions/checkout@v4

      - name: Set up Go ${{ matrix.go-version }} ${{ matrix.go-module }}
        uses: actions/setup-go@v4
        with:
          go-version: ${{ matrix.go-version }}

      - name: Display Go version ${{ matrix.go-version }} ${{ matrix.go-module }}
        run: go version

      - name: Install dependencies ${{ matrix.go-version }} ${{ matrix.go-module }}
        run: |
          go get -t -u golang.org/x/tools/cmd/cover
          go mod download

      - name: Build ${{ matrix.go-version }} ${{ matrix.go-module }}
        run: go build -v ./...

      - name: Test ${{ matrix.go-version }} ${{ matrix.go-module }}
        run: go test -v ./...

  # Build and Test as a workspace, create unified test coverage file
  build-and-test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go-version: [ '1.21', '1.22' ]

    steps:
      - uses: actions/checkout@v4

      - name: Set up Go ${{ matrix.go-version }}
        uses: actions/setup-go@v4
        with:
          go-version: ${{ matrix.go-version }}

      - name: Display Go version ${{ matrix.go-version }}
        run: go version

      - name: Create workspace ${{ matrix.go-version }}
        run: |
          go work init .
          go work use ./examples
          go work use ./otel

      - name: Install dependencies ${{ matrix.go-version }}
        run: |
          go get -t -u golang.org/x/tools/cmd/cover
          go mod download

      - name: Build ${{ matrix.go-version }}
        run: go build -v ./... ./otel/... ./examples/...

      - name: Test ${{ matrix.go-version }}
        run: go test -v -race -coverprofile=coverage.out -covermode=atomic ./... ./otel/... ./examples/...

      - name: Upload coverage reports to Codecov ${{ matrix.go-version }}
        uses: codecov/codecov-action@v3
        env:
          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}