rust.yml

name: Rust

on:
  push:
    branches:
      - main
  pull_request:

jobs:
  # this checks that the readme created from rustdoc is up to date
  readmecheck:
    name: README Format Check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: docker://ghcr.io/msrd0/cargo-doc2readme:nightly
        with:
          entrypoint: cargo
          args: doc2readme -p influxdb --expand-macros --check

  # this checks that there are no clippy lints
  clippy:
    name: Style Check (clippy)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@1.75.0
        with:
          components: clippy
      - name: Check Clippy lints (reqwest)
        run: cargo clippy --manifest-path influxdb/Cargo.toml --all-targets --no-default-features --features serde,derive,reqwest-client-rustls -- -D warnings
      - name: Check Clippy lints (surf)
        run: cargo clippy --manifest-path influxdb/Cargo.toml --all-targets --no-default-features --features serde,derive,hyper-client -- -D warnings

  # this checks that the code is formatted with rustfmt
  rustfmt:
    name: Style Checks (rustfmt)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
        with:
          components: rustfmt
      - name: Check code formatting
        run: cargo fmt --all -- --check

  # this tests that all unit and doc tests are successful
  unit_tests:
    name: Unit and Doc Tests (Rust ${{matrix.rust.name}} on ${{matrix.os}})
    runs-on: ${{matrix.os}}
    continue-on-error: ${{matrix.rust.nightly}}
    strategy:
      fail-fast: false
      matrix:
        rust:
          - name: MSRV
            toolchain: "1.65"
            nightly: false
          - name: Stable
            toolchain: stable
            nightly: false
          - name: Beta
            toolchain: beta
            nightly: false
          - name: Nightly
            toolchain: nightly
            nightly: true
        os: [ubuntu-latest, windows-latest, macOS-latest]
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{matrix.rust.toolchain}}
        id: rust-toolchain
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/git
            ~/.cargo/registry
            target
          key: "${{runner.os}} Rust ${{steps.rust-toolchain.outputs.cachekey}}"
      - run: cargo test --lib
      - run: cargo test --doc

  # this tests that all integration tests are successful
  integration_tests:
    name: Integration Tests (Rust ${{matrix.rust.name}} with ${{matrix.http-backend}})
    runs-on: ubuntu-latest
    continue-on-error: ${{matrix.rust.nightly}}
    strategy:
      fail-fast: false
      matrix:
        rust:
          - name: Stable
            toolchain: stable
            nightly: false
        http-backend:
          - curl-client
          - h1-client
          - h1-client-rustls
          - hyper-client
          - reqwest-client-rustls
          - reqwest-client-native-tls
          - reqwest-client-native-tls-vendored
    services:
      influxdb:
        image: influxdb:1.8
        ports:
          - 8086:8086
      authed_influxdb:
        image: influxdb:1.8
        ports:
          - 9086:8086
        env:
          INFLUXDB_HTTP_AUTH_ENABLED: true
          INFLUXDB_ADMIN_USER: admin
          INFLUXDB_ADMIN_PASSWORD: password
          INFLUXDB_USER: nopriv_user
          INFLUXDB_USER_PASSWORD: password
      influxdbv2:
        image: influxdb:2.6
        ports:
          - 2086:8086
        env:
          DOCKER_INFLUXDB_INIT_MODE: setup
          DOCKER_INFLUXDB_INIT_USERNAME: admin
          DOCKER_INFLUXDB_INIT_PASSWORD: password
          DOCKER_INFLUXDB_INIT_ORG: testing
          DOCKER_INFLUXDB_INIT_BUCKET: mydb
          DOCKER_INFLUXDB_INIT_ADMIN_TOKEN: admintoken
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{matrix.rust.toolchain}}
        id: rust-toolchain
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/git
            ~/.cargo/registry
            target
          key: "${{runner.os}} Rust ${{steps.rust-toolchain.outputs.cachekey}}"
      - name: Run tests
        run: |
          for test in integration_tests{,_v2}
          do
            cargo test -p influxdb --no-default-features --features 'serde derive ${{matrix.http-backend}}' --no-fail-fast --test $test
          done

  # this uses cargo-tarpaulin to inspect the code coverage
  coverage:
    name: Code Coverage (stable/ubuntu-latest)
    runs-on: ubuntu-latest
    services:
      influxdb:
        image: influxdb:1.8
        ports:
          - 8086:8086
      authed_influxdb:
        image: influxdb:1.8
        ports:
          - 9086:8086
        env:
          INFLUXDB_HTTP_AUTH_ENABLED: true
          INFLUXDB_ADMIN_USER: admin
          INFLUXDB_ADMIN_PASSWORD: password
          INFLUXDB_USER: nopriv_user
          INFLUXDB_USER_PASSWORD: password

    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        id: rust-toolchain
      - name: Get Tarpaulin Version
        id: tarpaulin-version
        run: echo "version=$(wget -qO- 'https://crates.io/api/v1/crates/cargo-tarpaulin' | jq -r '.crate.max_stable_version')" >>$GITHUB_OUTPUT
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/cargo-tarpaulin
            ~/.cargo/git
            ~/.cargo/registry
            target
          key: "${{runner.os}} Rust ${{steps.rust-version.outputs.version}} tarpaulin ${{steps.tarpaulin-version.outputs.version}}"
      - name: Install Tarpaulin
        run: |
          ls -lh ~/.cargo/bin
          test -e ~/.cargo/bin/cargo-tarpaulin || cargo install cargo-tarpaulin --version ${{steps.tarpaulin-version.outputs.version}}
      - name: Run Tarpaulin coverage tests
        run: |
          cargo tarpaulin -v \
            --target-dir target/tarpaulin \
            --workspace \
            --features serde,derive \
            --exclude-files 'derive/*' \
            --exclude-files 'target/*' \
            --ignore-panics --ignore-tests \
            --out Html --out Json
        env:
          RUST_BACKTRACE: 1
          RUST_LOG: info
      - uses: actions/upload-artifact@v4
        with:
          name: tarpaulin-report
          path: |
            tarpaulin-report.json
            tarpaulin-report.html

  # this uploads the code coverage to github pages
  pages:
    runs-on: ubuntu-latest
    needs:
      - coverage
    if: github.ref == 'refs/heads/main'
    steps:
      - uses: actions/checkout@v4
        with:
          ref: gh-pages
      - uses: actions/download-artifact@v4
        with:
          name: tarpaulin-report
      - run: |
          coverage=$(jq '.files | { covered: map(.covered) | add, coverable: map(.coverable) | add } | .covered / .coverable * 10000 | round | . / 100' tarpaulin-report.json)
          color=$([[ $coverage < 80 ]] && printf yellow || printf brightgreen)
          wget -qO coverage.svg "https://img.shields.io/badge/coverage-$coverage%25-$color"

          git add coverage.svg tarpaulin-report.html
          git status
      - uses: stefanzweifel/git-auto-commit-action@v5
        with:
          commit_message: "GitHub Pages for ${{ github.sha }}"