cmd/geth: fix les test on windows

cmd/geth/les_test.go

@@ -2,7 +2,10 @@ package main
 
 import (
  "context"
+ "os"
  "path/filepath"
+ "runtime"
+ "strings"
  "testing"
  "time"
 
@@ -95,6 +98,27 @@ func (g *gethrpc) waitSynced() {
  }
 }
 
+// ipcEndpoint resolves an IPC endpoint based on a configured value, taking into
+// account the set data folders as well as the designated platform we're currently
+// running on.
+func ipcEndpoint(ipcPath, datadir string) string {
+ // On windows we can only use plain top-level pipes
+ if runtime.GOOS == "windows" {
+ if strings.HasPrefix(ipcPath, `\\.\pipe\`) {
+ return ipcPath
+ }
+ return `\\.\pipe\` + ipcPath
+ }
+ // Resolve names into the data directory full paths otherwise
+ if filepath.Base(ipcPath) == ipcPath {
+ if datadir == "" {
+ return filepath.Join(os.TempDir(), ipcPath)
+ }
+ return filepath.Join(datadir, ipcPath)
+ }
+ return ipcPath
+}
+
 func startGethWithIpc(t *testing.T, name string, args ...string) *gethrpc {
  g := &gethrpc{name: name}
  args = append([]string{"--networkid=42", "--port=0", "--nousb"}, args...)
@@ -103,10 +127,10 @@ func startGethWithIpc(t *testing.T, name string, args ...string) *gethrpc {
  // wait before we can attach to it. TODO: probe for it properly
  time.Sleep(1 * time.Second)
  var err error
- ipcpath := filepath.Join(g.geth.Datadir, "geth.ipc")
+ ipcpath := ipcEndpoint("geth.ipc", g.geth.Datadir)
  g.rpc, err = rpc.Dial(ipcpath)
  if err != nil {
- t.Fatalf("%v rpc connect: %v", name, err)
+ t.Fatalf("%v rpc connect to %v: %v", name, ipcpath, err)
  }
  return g
 }