github.com/mirantis/virtlet@v1.5.2-0.20191204181327-1659b8a48e9b/pkg/metadata/fake_client.go (about)

     1  /*
     2  Copyright 2017 Mirantis
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package metadata
    18  
    19  import (
    20  	"io/ioutil"
    21  	"os"
    22  
    23  	"github.com/boltdb/bolt"
    24  )
    25  
    26  func tempfile() (string, error) {
    27  	f, err := ioutil.TempFile("", "virtlet-test-")
    28  	if err != nil {
    29  		return "", err
    30  	}
    31  
    32  	f.Close()
    33  	os.Remove(f.Name())
    34  
    35  	return f.Name(), nil
    36  }
    37  
    38  // NewFakeStore is a factory function for Store interface that returns fake store
    39  func NewFakeStore() (Store, error) {
    40  	filename, err := tempfile()
    41  
    42  	db, err := bolt.Open(filename, 0600, nil)
    43  	if err != nil {
    44  		return nil, err
    45  	}
    46  
    47  	return &boltClient{db: db}, nil
    48  }