tests.yml

name: Test Workflow

on:
  push:
    branches:
      - master
    tags:
      - "*"
  pull_request:
  workflow_dispatch:

env:
  RUST_BACKTRACE: 1

jobs:
  check:
    name: Check
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

      - name: Install stable toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: stable

      - name: Run cargo check
        run: cargo check

  test:
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        rust:
          - { version: "1.74", name: MSRV }
          - { version: stable, name: stable }

    runs-on: ${{ matrix.os }}
    name: Test Suite (${{ matrix.os }}, ${{ matrix.rust.name }})
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

      - name: Install ${{ matrix.rust.name }} toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust.version }}

      - name: Test (default features)
        run: cargo test

      - name: Test (ASN1)
        run: cargo test --features asn1der
      
      - name: Test (UT1)
        run: cargo test --features ut1

      - name: Test (no default features)
        run: cargo test --no-default-features

      - name: Test (serde)
        run: cargo test --features serde

  test_no_std:
    strategy:
      matrix:
        target: [aarch64-unknown-none, thumbv6m-none-eabi]
    name: no-std build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

      - name: Install nightly toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly
          components: rust-src

      - name: Build no default features + no_std target ${{ matrix.target }}
        run: cargo build --no-default-features --target=${{ matrix.target }} -Z build-std=core

  lints:
    name: Lints
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

      - name: Install stable toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: 1.64 # Run lints using the MSRV not latest
          components: rustfmt, clippy

      - name: Run cargo fmt
        run: cargo fmt --all -- --check

      - name: Run cargo clippy
        run: cargo clippy -- -D warnings

  coverage:
    name: Coverage
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Install stable toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: stable
          components: rustfmt, clippy

      - name: Install cargo-llvm-cov
        uses: taiki-e/install-action@cargo-llvm-cov

      - name: Generate coverage report
        run: |
          cargo llvm-cov clean --workspace
          cargo llvm-cov test --no-report --features=std,asn1der -- --test-threads=1
          cargo llvm-cov test --no-report --tests --features=std,asn1der -- compile_fail
          cargo llvm-cov report --lcov > lcov.txt
        env:
          RUSTFLAGS: --cfg __ui_tests

      - name: Upload coverage report
        uses: codecov/codecov-action@v3
        with:
          files: ./lcov.txt

  release:
    name: Release
    runs-on: ubuntu-latest
    needs: [check, test, test_no_std, lints, coverage]
    if: github.ref_type == 'tag'
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

      - name: Install stable toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: stable
          components: rustfmt, clippy

      - name: Publish to crates.io
        env:
          TOKEN: ${{ secrets.CRATESIO_API_TOKEN }}
        run: |
          cargo login $TOKEN
          cargo publish