test-rust.yml

name: Test Rust

on:
  pull_request:
    paths:
      - polars/**
      - examples/**
      - Cargo.toml
      - .github/workflows/test-rust.yml
  push:
    branches:
      - main
    paths:
      - polars/**
      - examples/**
      - Cargo.toml
      - .github/workflows/test-rust.yml

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  RUSTFLAGS: -C debuginfo=0  # Do not produce debug symbols to keep memory usage down

jobs:
  test:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: true
      matrix:
        os: [ubuntu-latest, windows-latest]

    steps:
      - uses: actions/checkout@v3

      - name: Set up Rust
        run: rustup show

      - name: Cache Rust
        uses: Swatinem/rust-cache@v2
        with:
          save-if: ${{ github.ref_name == 'main' }}

      - name: Compile tests
        run: >
          cargo test --all-features --no-run
          -p polars-lazy
          -p polars-io
          -p polars-core
          -p polars-arrow
          -p polars-time
          -p polars-utils
          -p polars-row
          -p polars-sql

      - name: Run tests
        if: github.ref_name != 'main'
        run: >
          cargo test --all-features
          -p polars-lazy
          -p polars-io
          -p polars-core
          -p polars-arrow
          -p polars-time
          -p polars-utils
          -p polars-row
          -p polars-sql

  integration-test:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: true
      matrix:
        os: [ubuntu-latest, windows-latest]

    steps:
      - uses: actions/checkout@v3

      - name: Set up Rust
        run: rustup show

      - name: Cache Rust
        uses: Swatinem/rust-cache@v2
        with:
          save-if: ${{ github.ref_name == 'main' }}

      - name: Compile integration tests
        run: cargo test --all-features -p polars --test it --no-run

      - name: Run integration tests
        if: github.ref_name != 'main'
        run: cargo test --all-features -p polars --test it

  check-features:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Set up Rust
        run: rustup show

      - name: Cache Rust
        uses: Swatinem/rust-cache@v2
        with:
          save-if: ${{ github.ref_name == 'main' }}

      - name: Install cargo hack
        uses: taiki-e/install-action@v2
        with:
          tool: cargo-hack

      - name: Run cargo hack
        run: cargo hack check -p polars --each-feature --no-dev-deps