From 892f8f1add9ffa53b7de1cc7805d1d9a8f0fe8fc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alfonso=20Subiotto=20Marqu=C3=A9s?=
 <alfonso.subiotto@polarsignals.com>
Date: Fri, 31 May 2024 13:45:05 +0200
Subject: [PATCH] workflows: add DST workflow (#883)

This change adds a workflow that downloads the custom go release at
`polarsignals/go` and runs the test in ./dst on WASM with wasmtime.
---
 .github/workflows/dst.yml | 46 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 .github/workflows/dst.yml

diff --git a/.github/workflows/dst.yml b/.github/workflows/dst.yml
new file mode 100644
index 000000000..0582ecb59
--- /dev/null
+++ b/.github/workflows/dst.yml
@@ -0,0 +1,46 @@
+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