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// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you 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 eventlog

import (
	"testing"

	"github.com/elastic/beats/libbeat/common"
	"github.com/elastic/beats/winlogbeat/checkpoint"
)

type factory func(*common.Config) (EventLog, error)
type teardown func()

func fatalErr(t *testing.T, err error) {
	if err != nil {
		t.Fatal(err)
	}
}

func newTestEventLog(t *testing.T, factory factory, options map[string]interface{}) EventLog {
	config, err := common.NewConfigFrom(options)
	fatalErr(t, err)
	eventLog, err := factory(config)
	fatalErr(t, err)
	return eventLog
}

func setupEventLog(t *testing.T, factory factory, recordID uint64, options map[string]interface{}) (EventLog, teardown) {
	eventLog := newTestEventLog(t, factory, options)
	fatalErr(t, eventLog.Open(checkpoint.EventLogState{
		RecordNumber: recordID,
	}))
	return eventLog, func() { fatalErr(t, eventLog.Close()) }
}
