add travis build

.travis.yml

@@ -0,0 +1,9 @@
+language: go
+sudo: false
+go_import_path: gopkg.in/go-session/redis.v1
+go:
+  - 1.7
+services:
+  - redis-server
+script:
+  - $HOME/gopath/bin/goveralls -service=travis-ci

README.md

@@ -2,7 +2,7 @@
 
 > A redis-based session store
 
-[![ReportCard][reportcard-image]][reportcard-url] [![GoDoc][godoc-image]][godoc-url] [![License][license-image]][license-url]
+[![Build][Build-Status-Image]][Build-Status-Url] [![Coverage][Coverage-Image]][Coverage-Url] [![ReportCard][reportcard-image]][reportcard-url] [![GoDoc][godoc-image]][godoc-url] [![License][license-image]][license-url]
 
 ## Quick Start
 
@@ -89,6 +89,10 @@ $ ./server
 
     Copyright (c) 2018 Lyric
 
+[Build-Status-Url]: https://travis-ci.org/go-session/redis
+[Build-Status-Image]: https://travis-ci.org/go-session/redis.svg?branch=master
+[Coverage-Url]: https://coveralls.io/github/go-session/redis?branch=master
+[Coverage-Image]: https://coveralls.io/repos/github/go-session/redis/badge.svg?branch=master
 [reportcard-url]: https://goreportcard.com/report/gopkg.in/go-session/redis.v1
 [reportcard-image]: https://goreportcard.com/badge/gopkg.in/go-session/redis.v1
 [godoc-url]: https://godoc.org/gopkg.in/go-session/redis.v1

redis_test.go

@@ -9,7 +9,7 @@ import (
 )
 
 const (
-	addr = "127.0.0.1:6379"
+	addr = "localhost:6379"
 	db   = 15
 )