add a client to use cubby in go projects

testhelpers_test.go

@@ -0,0 +1,20 @@
+package cubby
+
+import (
+	"os/exec"
+	"testing"
+)
+
+func runCmd(t *testing.T, name string, args ...string) ([]byte, error) {
+	t.Helper()
+	return exec.Command(name, args...).CombinedOutput()
+}
+
+func startCmd(t *testing.T, name string, args ...string) *exec.Cmd {
+	t.Helper()
+	cmd := exec.Command(name, args...)
+	if err := cmd.Start(); err != nil {
+		t.Fatalf("start %s: %v", name, err)
+	}
+	return cmd
+}