test: make golang check into a bundle

Author: progrium

test/wasi/golang/.gitignore

@@ -1 +1,2 @@
-golangcheck.wasm
+golangcheck.wasm
+golangcheck.tgz

test/wasi/golang/Makefile

@@ -1,8 +1,14 @@
 
-build:
-	GOOS=wasip1 GOARCH=wasm go build -o golangcheck.wasm .
+build: golangcheck.tgz
 .PHONY: build
 
+golangcheck.tgz: golangcheck.wasm init.js
+	tar -czf golangcheck.tgz golangcheck.wasm init.js
+
+golangcheck.wasm: main.go
+	GOOS=wasip1 GOARCH=wasm go build -o golangcheck.wasm .
+
 clean:
 	rm -f golangcheck.wasm
+	rm -f golangcheck.tgz
 .PHONY: clean

test/wasi/golang/init.js

@@ -0,0 +1,19 @@
+(async () => {
+    // convert \n to \r\n since we have no line discipline in this setup
+    const transform = new TransformStream({
+        transform(chunk, controller) {
+            const text = new TextDecoder().decode(chunk);
+            const converted = text.replace(/\n/g, '\r\n');
+            controller.enqueue(new TextEncoder().encode(converted));
+        }
+    });
+
+    console.log("running golang init.js");
+    const w = window.wanix.instance;        
+    const tid = (await w.readText("task/new/wasi")).trim();
+    await w.writeFile(`task/${tid}/cmd`, "#bundle/golangcheck.wasm");
+    const stdout = await w.openReadable(`task/${tid}/fd/1`);
+    const cons = await w.openWritable(`#console/data1`);
+    await w.writeFile(`task/${tid}/ctl`, "start");
+    stdout.pipeThrough(transform).pipeTo(cons);
+})();