refactoring - work in progress

privval/utils_test.go

@@ -2,6 +2,8 @@ package privval
 
 import (
 	"fmt"
+	"github.com/stretchr/testify/require"
+	"net"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -12,3 +14,12 @@ func TestIsConnTimeoutForNonTimeoutErrors(t *testing.T) {
 	assert.False(t, IsConnTimeout(cmn.ErrorWrap(ErrDialRetryMax, "max retries exceeded")))
 	assert.False(t, IsConnTimeout(fmt.Errorf("completely irrelevant error")))
 }
+
+// testFreeTCPAddr claims a free port so we don't block on listener being ready.
+func testFreeTCPAddr(t *testing.T) string {
+	ln, err := net.Listen("tcp", "127.0.0.1:0")
+	require.NoError(t, err)
+	defer ln.Close()
+
+	return fmt.Sprintf("127.0.0.1:%d", ln.Addr().(*net.TCPAddr).Port)
+}