Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

testutil/socket.go

@@ -0,0 +1,32 @@
+package testutil
+
+import (
+	"os"
+	"path/filepath"
+	"runtime"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TempSocket(tb testing.TB) string {
+	// On MacOS, the maximum path length of Unix domain socket is 104
+	// characters. (https://unix.stackexchange.com/a/367012/376279)
+	//
+	// On MacOS, tb.TempDir() returns e.g.
+	// /var/folders/bl/wbxjgtzx7j5_mjsmfr3ynlc00000gp/T/<the-test-name>/001/socket.sock
+	//
+	// If the name of the test is long, the path length could exceed 104
+	// characters, and this would result in listen unix ...: bind: invalid argument
+	if runtime.GOOS == "darwin" {
+		sock := "/tmp/sock"
+
+		tb.Cleanup(func() {
+			require.NoError(tb, os.RemoveAll(sock))
+		})
+
+		return sock
+	}
+
+	return filepath.Join(tb.TempDir(), "sock")
+}