dst.yml

name: DST

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

jobs:
  dst:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4

    - name: Set up Go
      run: |
        curl -L -o go-custom-linux-amd64.tar.gz https://github.com/polarsignals/go/releases/download/v0.0.1/go-custom-linux-amd64.tar.gz
        tar -xzf go-custom-linux-amd64.tar.gz
        sudo mv go /usr/local/go
        echo "/usr/local/go/bin" >> $GITHUB_PATH
        echo "GOROOT=/usr/local/go" >> $GITHUB_ENV

    - name: Setup Go module cache
      uses: actions/cache@v4
      with:
        path: |
          ~/.cache/go-build
          ~/go/pkg/mod
        key: ${{ runner.os }}-golang-${{ hashFiles('**/go.sum') }}
        restore-keys: |
          ${{ runner.os }}-golang-

    - name: Compile DST Test and runtime
      run: |
        # ldflags=-checklinkname=0 is required for parquet-go to build with
        # Go 1.23.
        GOOS=wasip1 GOARCH=wasm go test -tags=faketime -ldflags=-checklinkname=0 -c -o dst.wasm ./dst
        go build ./dst/runtime

    - name: Run DST Test
      run: |
        echo "Running DST Test. The first run is slow due to module compilation. A compilation cache is used for subsequent runs."
        iterations=10
        for ((i=0; i < iterations; i++))
        do
          export GORANDSEED=$RANDOM$RANDOM$RANDOM$RANDOM$RANDOM$RANDOM
          echo "Running DST test iteration $((i+1))/${iterations} with GORANDSEED=${GORANDSEED}"
          ./runtime --module=./dst.wasm
        done