DST

Reservoir sampler #61

	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 `wasmtime`
	uses: bytecodealliance/actions/wasmtime/setup@v1

	- 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: Run DST Test
	run: \|
	iterations=10
	for ((i=0; i < iterations; i++))
	do
	export GORANDSEED=$RANDOM$RANDOM$RANDOM$RANDOM$RANDOM$RANDOM
	# ldflags=-checklinkname=0 is required for parquet-go to build with
	# Go 1.23.
	echo "Running DST test iteration $((i+1))/${iterations} with GORANDSEED=${GORANDSEED}"
	GOOS=wasip1 GOARCH=wasm go test -ldflags=-checklinkname=0 -tags=faketime --exec="$GOROOT/misc/wasm/go_wasip1_wasm_exec -S inherit-env=y" ./dst
	done

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