66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
// Copyright 2014 Gary Burd
|
|
//
|
|
// 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 redistest contains utilities for writing Redigo tests.
|
|
package redistest
|
|
|
|
import (
|
|
"errors"
|
|
"time"
|
|
|
|
"github.com/garyburd/redigo/redis"
|
|
)
|
|
|
|
type testConn struct {
|
|
redis.Conn
|
|
}
|
|
|
|
func (t testConn) Close() error {
|
|
_, err := t.Conn.Do("SELECT", "9")
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
_, err = t.Conn.Do("FLUSHDB")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return t.Conn.Close()
|
|
}
|
|
|
|
// Dial dials the local Redis server and selects database 9. To prevent
|
|
// stomping on real data, DialTestDB fails if database 9 contains data. The
|
|
// returned connection flushes database 9 on close.
|
|
func Dial() (redis.Conn, error) {
|
|
c, err := redis.DialTimeout("tcp", ":6379", 0, 1*time.Second, 1*time.Second)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
_, err = c.Do("SELECT", "9")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
n, err := redis.Int(c.Do("DBSIZE"))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if n != 0 {
|
|
return nil, errors.New("database #9 is not empty, test can not continue")
|
|
}
|
|
|
|
return testConn{c}, nil
|
|
}
|