all: add test skips for GOARCH=wasm

These changes are enough to get 'GOOS=js GOARCH=wasm go test ./...'
to pass.

For golang/go#61104.

Change-Id: I78a2978a83a1026adeecc81b31bf7c2aa2db2155
Cq-Include-Trybots: luci.golang.try:x_benchmarks-gotip-js-wasm
Reviewed-on: https://go-review.googlesource.com/c/benchmarks/+/533695
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>

cmd/bent/bent_test.go

@@ -10,6 +10,7 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
+	"runtime"
 	"testing"
 )
 
@@ -46,6 +47,9 @@ func bentCmd(t *testing.T, args ...string) *exec.Cmd {
 }
 
 func TestBent(t *testing.T) {
+	if runtime.GOARCH == "wasm" {
+		t.Skipf("skipping test: exec not supported on %s/%s", runtime.GOOS, runtime.GOARCH)
+	}
 	cmd := bentCmd(t, "-I")
 	output, err := cmd.CombinedOutput()
 	if err != nil {

driver/driver_stub.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build aix || dragonfly || freebsd || netbsd || openbsd || solaris
+//go:build aix || dragonfly || freebsd || netbsd || openbsd || solaris || wasm
 
 package driver
 

driver/driver_wasm.go

@@ -0,0 +1,23 @@
+// Copyright 2023 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build wasm
+
+package driver
+
+import (
+	"fmt"
+	"os/exec"
+	"runtime"
+)
+
+type sysStats struct{}
+
+func InitSysStats(N uint64) sysStats { return sysStats{} }
+
+func (sysStats) Collect(*Result) {}
+
+func RunAndCollectSysStats(cmd *exec.Cmd, res *Result, N uint64, prefix string) (string, error) {
+	return "", fmt.Errorf("not implemented on %s/%s", runtime.GOOS, runtime.GOARCH)
+}

sweet/benchmarks/bleve-index/main.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !aix && !plan9
+//go:build !aix && !plan9 && !wasm
 
 package main
 

sweet/benchmarks/etcd/main.go

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !wasm
+
 package main
 
 import (

third_party/bleve-bench/mapping.go

@@ -16,7 +16,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !aix && !plan9
+//go:build !aix && !plan9 && !wasm
 
 package blevebench