ci.yml

name: CI

on:
  push:
    # Ignore bors branches, since they are covered by `clippy_bors.yml`
    branches:
      - main
    # Don't run Clippy tests, when only textfiles were modified
    paths-ignore:
      - "README"
      - "COPYRIGHT"
      - "LICENSE-*"
      - "**.md"
      - "**.txt"
  pull_request:
    # Don't run Clippy tests, when only textfiles were modified
    paths-ignore:
      - "README"
      - "COPYRIGHT"
      - "LICENSE-*"
      - "**.md"
      - "**.txt"
  workflow_dispatch:

env:
  CARGO_TERM_COLOR: always
  RUSTFLAGS: -Dwarnings
  RUST_BACKTRACE: 1
  nightly: nightly
  stable: stable

defaults:
  run:
    shell: bash

jobs:
  # Check formatting
  rustfmt:
    name: rustfmt
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    - name: Install Rust
      run: rustup update stable && rustup default stable
    - name: Check formatting
      run: cargo fmt --all -- --check

  # Apply clippy lints
  clippy:
    name: clippy
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    - name: Apply clippy lints
      run: cargo clippy --all-features

  # Stable
  stable:
    name: stable
    strategy:
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
        run: rustup update stable --no-self-update && rustup default stable
      - name: Test
        run: . ci/test-stable.sh test 

  # no std
  no_std:
    name: no_std
    strategy:
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
        run: rustup update stable --no-self-update && rustup default stable
      - name: Test
        run: cargo test --no-default-features --features alloc

  # Run tests on some extra platforms
  cross:
    name: cross
    strategy:
      matrix:
        target:
          - aarch64-unknown-linux-gnu
          - aarch64-linux-android
          - aarch64-unknown-linux-musl
          - i686-linux-android
          - x86_64-linux-android
          - i686-pc-windows-gnu
          - x86_64-pc-windows-gnu
          - i686-unknown-linux-gnu
          - powerpc64-unknown-linux-gnu
          # - mips64-unknown-linux-gnuabi64
          - riscv64gc-unknown-linux-gnu
          - wasm32-unknown-unknown
          - wasm32-unknown-emscripten
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        run: rustup update stable && rustup default stable
      - name: cross build --target ${{ matrix.target }}
        run: |
          cargo install cross
          cross build --target ${{ matrix.target }}
        if: matrix.target != 'wasm32-unknown-unknown'
      # WASM support
      - name: cargo build --target ${{ matrix.target }}
        run: |
          rustup target add ${{ matrix.target }}
          cargo build --target ${{ matrix.target }}
        if: matrix.target == 'wasm32-unknown-unknown'
      # - name: cargo build --target ${{ matrix.target }}
      #   run: |
      #     rustup target add ${{ matrix.target }}
      #     cargo +nightly build --no-default-features --features alloc --target ${{ matrix.target }} -Z build-std=core,alloc
      #   if: matrix.target == 'mips64-unknown-linux-gnuabi64'

  # Sanitizers
  sanitizer:
    name: sanitizer
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        run: rustup update $nightly && rustup default $nightly
      - name: Install rust-src
        run: rustup component add rust-src
      - name: ASAN / LSAN / TSAN
        run: ci/sanitizer.sh

  # valgrind
  valgrind:
    name: valgrind
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust ${{ env.stable }}
        uses: actions-rs/toolchain@v1
        with:
            toolchain: ${{ env.stable }}
            override: true
      - uses: Swatinem/rust-cache@v1

      - name: Install Valgrind
        run: |
          sudo apt-get update -y
          sudo apt-get install -y valgrind
      # Compile tests
      - name: build & valgrind (vec backend)
        run: |
          cargo build --bin test-vec --target-dir .
          valgrind --error-exitcode=1 --leak-check=full --show-leak-kinds=all ./debug/test-vec
        working-directory: integration
      - name: build & valgrind (mmap backend)
        run: |
          cargo build --bin test-mmap --target-dir .
          valgrind --error-exitcode=1 --leak-check=full --show-leak-kinds=all ./debug/test-mmap 
        working-directory: integration
      - name: build & valgrind (mmap-anon backend)
        run: |
          cargo build --bin test-mmap-anon --target-dir .
          valgrind --error-exitcode=1 --leak-check=full --show-leak-kinds=all ./debug/test-mmap-anon 
        working-directory: integration
      
 
  miri:
    name: miri
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Miri
        run: ci/miri.sh

  # loom:
  #   name: loom
  #   runs-on: ubuntu-latest
  #   steps:
  #     - uses: actions/checkout@v4
  #     - name: Install Rust
  #       run: rustup update $nightly && rustup default $nightly
  #     - name: Loom tests
  #       run: RUSTFLAGS="--cfg loom -Dwarnings" cargo test --lib

  coverage:
    name: cargo tarpaulin
    runs-on: ubuntu-latest
    needs: 
      - rustfmt
      - clippy
      - stable
      - no_std
      - sanitizer
      - valgrind
    steps:
      - uses: actions/checkout@v3
      - name: Install latest nightly
        uses: actions-rs/toolchain@v1
        with:
          toolchain: nightly
          override: true
      - uses: actions-rs/install@v0.1
        with:
          crate: cargo-tarpaulin
          version: latest
      - name: Cache ~/.cargo
        uses: actions/cache@v3
        with:
          path: ~/.cargo
          key: ${{ runner.os }}-coverage-dotcargo
      - name: Cache cargo build
        uses: actions/cache@v3
        with:
          path: target
          key: ${{ runner.os }}-coverage-cargo-build-target
      - name: Run tarpaulin
        uses: actions-rs/cargo@v1
        with:
          command: tarpaulin
          args: --all-features --run-types tests --run-types doctests --workspace --out xml
      - name: Upload to codecov.io
        uses: codecov/codecov-action@v3.1.1
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          fail_ci_if_error: true