Create packages client/internal/ retry and lhttp.

client/internal/lhttp/utils_test.go

Index: client/internal/lhttp/utils_test.go
diff --git a/client/internal/lhttp/utils_test.go b/client/internal/lhttp/utils_test.go
new file mode 100644
index 0000000000000000000000000000000000000000..a7fb3d2dcacc10f977ff6e9adf1766a2d5c672c7
--- /dev/null
+++ b/client/internal/lhttp/utils_test.go
@@ -0,0 +1,29 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package lhttp
+
+import (
+	"errors"
+	"testing"
+
+	"github.com/maruel/ut"
+)
+
+func TestURLToHTTPS(t *testing.T) {
+	data := []struct {
+		in       string
+		expected string
+		err      error
+	}{
+		{"foo", "https://foo", nil},
+		{"https://foo", "https://foo", nil},
+		{"http://foo", "", errors.New("Only https:// scheme is accepted. It can be omitted.")},
+	}
+	for i, line := range data {
+		out, err := URLToHTTPS(line.in)
+		ut.AssertEqualIndex(t, i, line.expected, out)
+		ut.AssertEqualIndex(t, i, line.err, err)
+	}
+}