// Copyright 2015 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package raft

import (
	"strings"
	"testing"

	pb "github.com/coreos/etcd/raft/raftpb"
)

var testFormatter EntryFormatter = func(data []byte) string {
	return strings.ToUpper(string(data))
}

func TestDescribeEntry(t *testing.T) {
	entry := pb.Entry{
		Term:  1,
		Index: 2,
		Type:  pb.EntryNormal,
		Data:  []byte("hello\x00world"),
	}

	defaultFormatted := DescribeEntry(entry, nil)
	if defaultFormatted != "1/2 EntryNormal \"hello\\x00world\"" {
		t.Errorf("unexpected default output: %s", defaultFormatted)
	}

	customFormatted := DescribeEntry(entry, testFormatter)
	if customFormatted != "1/2 EntryNormal HELLO\x00WORLD" {
		t.Errorf("unexpected custom output: %s", customFormatted)
	}
}