entry_test.go

// Copyright 2019 The nutsdb Authors. All rights reserved.
//
// 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 nutsdb

import (
	"encoding/binary"
	"reflect"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/suite"
)

type EntryTestSuite struct {
	suite.Suite
	entry          Entry
	expectedEncode []byte
}

func (suite *EntryTestSuite) SetupSuite() {
	suite.entry = Entry{
		Key:   []byte("key_0001"),
		Value: []byte("val_0001"),
		Meta: &MetaData{
			KeySize:    uint32(len("key_0001")),
			ValueSize:  uint32(len("val_0001")),
			Timestamp:  1547707905,
			TTL:        Persistent,
			Bucket:     []byte("test_entry"),
			BucketSize: uint32(len("test_entry")),
			Flag:       DataSetFlag,
		},
		position: 0,
	}
	suite.expectedEncode = []byte{48, 176, 185, 16, 1, 38, 64, 92, 0, 0, 0, 0, 8, 0, 0, 0, 8, 0, 0, 0, 1, 0, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 116, 101, 115, 116, 95, 101, 110, 116, 114, 121, 107, 101, 121, 95, 48, 48, 48, 49, 118, 97, 108, 95, 48, 48, 48, 49}
}

func (suite *EntryTestSuite) TestEncode() {
	ok := reflect.DeepEqual(suite.entry.Encode(), suite.expectedEncode)
	assert.True(suite.T(), ok, "entry's encode test fail")
}

func (suite *EntryTestSuite) TestIsZero() {

	if ok := suite.entry.IsZero(); ok {
		assert.Fail(suite.T(), "entry's IsZero test fail")
	}

}

func (suite *EntryTestSuite) TestGetCrc() {

	crc1 := suite.entry.GetCrc(suite.expectedEncode[:42])
	crc2 := binary.LittleEndian.Uint32(suite.expectedEncode[:4])

	if crc1 != crc2 {
		assert.Fail(suite.T(), "entry's GetCrc test fail")
	}
}

func TestEntrySuit(t *testing.T) {
	suite.Run(t, new(EntryTestSuite))
}