//  Copyright (c) 2014 Couchbase, 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 bleve

import (
	"os"
	"testing"
)

func TestIndexMeta(t *testing.T) {
	var testIndexPath = "doesnotexit.bleve"
	defer func() {
		err := os.RemoveAll(testIndexPath)
		if err != nil {
			t.Fatal(err)
		}
	}()

	// open non-existent meta should give an error
	_, err := openIndexMeta(testIndexPath)
	if err == nil {
		t.Errorf("expected error, got nil")
	}

	// create meta
	im := &indexMeta{Storage: "boltdb"}
	err = im.Save(testIndexPath)
	if err != nil {
		t.Error(err)
	}
	im = nil

	// open a meta that exists
	im, err = openIndexMeta(testIndexPath)
	if err != nil {
		t.Error(err)
	}
	if im.Storage != "boltdb" {
		t.Errorf("expected storage 'boltdb', got '%s'", im.Storage)
	}

	// save a meta that already exists
	err = im.Save(testIndexPath)
	if err == nil {
		t.Errorf("expected error, got nil")
	}
}