CI.yml

name: CI
on:
  workflow_dispatch:
  push:
    branches:
      - master
      - main
    tags: ['*']
  pull_request:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ startswith(github.ref, 'refs/pull/') }}

env:
  JULIA_PKG_SERVER: ""
  JULIA_NUM_THREADS: 1
  JULIA_PKG_PRECOMPILE_AUTO: 0
  # headless GR/Plots
  GKSwstype: "100"
  # non-interactive Matplotlib for PyPlot
  MPLBACKEND: "Agg"
  # force Conda.jl rather than a system Python
  PYTHON: ""

jobs:
  test:
    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.group }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            arch: x64
            version: '1.12'
            group: CUDA
          - os: macOS-latest
            arch: aarch64
            version: '1.12'
            group: Metal

    steps:
      - uses: actions/checkout@v4

      - name: Check out ContinuousWavelets.jl
        uses: actions/checkout@v4
        with:
          repository: JaredW40/ContinuousWavelets.jl
          ref: master
          path: deps/ContinuousWavelets.jl
      - name: Check out FourierFilterFlux.jl
        uses: actions/checkout@v4
        with:
          repository: JaredW40/FourierFilterFlux.jl
          ref: master
          path: deps/FourierFilterFlux.jl
      - name: Check out MonogenicFilterFlux.jl
        uses: actions/checkout@v4
        with:
          repository: JaredW40/MonogenicFilterFlux.jl
          ref: main
          path: deps/MonogenicFilterFlux.jl

      - uses: julia-actions/setup-julia@v2
        with:
          version: ${{ matrix.version }}
          arch: ${{ matrix.arch }}

      - uses: julia-actions/cache@v2

      - name: Configure Git to use HTTPS
        run: git config --global url."https://github.com/".insteadOf "git@github.com:"

      - name: Add Registries
        shell: julia --color=yes {0}
        run: |
          using Pkg
          Pkg.Registry.add("General")
          Pkg.Registry.add(RegistrySpec(url="https://github.com/UCD4IDS/TetrapodsRegistry"))

      - name: Generate the CI environment
        run: |
          julia --project=ci -e '
            using Pkg
            Pkg.develop([
              PackageSpec(path = "deps/ContinuousWavelets.jl"),
              PackageSpec(path = "deps/FourierFilterFlux.jl"),
              PackageSpec(path = "deps/MonogenicFilterFlux.jl"),
              PackageSpec(path = "."),
            ])
            Pkg.add([
              PackageSpec(name = "Test"),
              PackageSpec(name = "Wavelets"),
              PackageSpec(name = "Zygote"),
              PackageSpec(name = "Flux"),
              PackageSpec(name = "FFTW"),
              PackageSpec(name = "AbstractFFTs"),
              PackageSpec(name = "Functors"),
              PackageSpec(name = "Adapt"),
              PackageSpec(name = "MLDataDevices"),
              PackageSpec(name = "LinearAlgebra"),
              PackageSpec(name = "Logging"),
              PackageSpec(name = "Random"),
            ])'

      - name: Add the CUDA stack (Linux only)
        if: runner.os == 'Linux'
        run: |
          julia --project=ci -e '
            using Pkg
            Pkg.add([
              PackageSpec(name = "CUDA"),
              PackageSpec(name = "cuFFT"),
            ])'
      - name: Add Metal (macOS only)
        if: runner.os == 'macOS'
        run: julia --project=ci -e 'using Pkg; Pkg.add("Metal")'

      - name: Precompile
        run: julia --project=ci -e 'using Pkg; Pkg.precompile()'

      - name: Environment status
        run: julia --project=ci -e 'using Pkg; Pkg.status()'

      - name: Report GPU availability
        continue-on-error: true
        run: |
          julia --project=ci -e '
            if Sys.islinux()
                using CUDA
                @info "CUDA backend" functional = CUDA.functional()
            elseif Sys.isapple()
                using Metal
                @info "Metal backend" functional = Metal.functional()
            end'

      - name: Run tests
        env:
          GROUP: ${{ matrix.group }}
        run: julia --project=ci --code-coverage=user -e 'include("test/runtests.jl")'

      - uses: julia-actions/julia-processcoverage@v1

      - uses: actions/upload-artifact@v4
        if: always()
        with:
          name: lcov-${{ matrix.os }}-${{ matrix.group }}
          path: lcov.info
          if-no-files-found: warn

      - uses: codecov/codecov-action@v4
        with:
          files: lcov.info
          token: ${{ secrets.CODECOV_TOKEN }}
          fail_ci_if_error: false