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387 lines (325 loc) · 9.31 KB
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/*
* Quick - Quick key value store for config files and persistent state files
*
* Quick (C) 2015 Minio, 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 quick
import (
"encoding/json"
"io/ioutil"
"os"
"reflect"
"runtime"
"strings"
"testing"
. "gopkg.in/check.v1"
)
func Test(t *testing.T) { TestingT(t) }
type MySuite struct{}
var _ = Suite(&MySuite{})
func (s *MySuite) TestReadVersion(c *C) {
type myStruct struct {
Version string
}
saveMe := myStruct{"1"}
config, err := New(&saveMe)
c.Assert(err, IsNil)
err = config.Save("test.json")
c.Assert(err, IsNil)
version, err := GetVersion("test.json")
c.Assert(err, IsNil)
c.Assert(version, Equals, "1")
}
func (s *MySuite) TestReadVersionErr(c *C) {
type myStruct struct {
Version int
}
saveMe := myStruct{1}
_, err := New(&saveMe)
c.Assert(err, Not(IsNil))
err = ioutil.WriteFile("test.json", []byte("{ \"version\":2,"), 0644)
c.Assert(err, IsNil)
_, err = GetVersion("test.json")
c.Assert(err, Not(IsNil))
err = ioutil.WriteFile("test.json", []byte("{ \"version\":2 }"), 0644)
c.Assert(err, IsNil)
_, err = GetVersion("test.json")
c.Assert(err, Not(IsNil))
}
func (s *MySuite) TestSaveFailOnDir(c *C) {
defer os.RemoveAll("test.json")
e := os.MkdirAll("test.json", 0644)
c.Assert(e, IsNil)
type myStruct struct {
Version string
}
saveMe := myStruct{"1"}
config, err := New(&saveMe)
c.Assert(err, IsNil)
c.Assert(config, Not(IsNil))
err = config.Save("test.json")
c.Assert(err, Not(IsNil))
}
func (s *MySuite) TestCheckData(c *C) {
err := checkData(nil)
c.Assert(err, Not(IsNil))
type myStructBadNoVersion struct {
User string
Password string
Directories []string
}
saveMeBadNoVersion := myStructBadNoVersion{"guest", "nopassword", []string{"Work", "Documents", "Music"}}
err = checkData(&saveMeBadNoVersion)
c.Assert(err, Not(IsNil))
type myStructBadVersionInt struct {
Version int
User string
Password string
}
saveMeBadVersionInt := myStructBadVersionInt{1, "guest", "nopassword"}
err = checkData(&saveMeBadVersionInt)
c.Assert(err, Not(IsNil))
type myStructGood struct {
Version string
User string
Password string
Directories []string
}
saveMeGood := myStructGood{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
err = checkData(&saveMeGood)
c.Assert(err, IsNil)
}
func (s *MySuite) TestLoadFile(c *C) {
type myStruct struct {
Version string
User string
Password string
Directories []string
}
saveMe := myStruct{}
_, err := Load("test.json", &saveMe)
c.Assert(err, Not(IsNil))
file, err := os.Create("test.json")
c.Assert(err, IsNil)
c.Assert(file.Close(), IsNil)
_, err = Load("test.json", &saveMe)
c.Assert(err, Not(IsNil))
config, err := New(&saveMe)
c.Assert(err, IsNil)
err = config.Load("test-non-exist.json")
c.Assert(err, Not(IsNil))
err = config.Load("test.json")
c.Assert(err, Not(IsNil))
saveMe = myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
config, err = New(&saveMe)
c.Assert(err, IsNil)
c.Assert(config, Not(IsNil))
err = config.Save("test.json")
c.Assert(err, IsNil)
saveMe1 := myStruct{}
_, err = Load("test.json", &saveMe1)
c.Assert(err, IsNil)
c.Assert(saveMe1, DeepEquals, saveMe)
saveMe2 := myStruct{}
err = json.Unmarshal([]byte(config.String()), &saveMe2)
c.Assert(err, IsNil)
c.Assert(saveMe2, DeepEquals, saveMe1)
}
func (s *MySuite) TestYAMLFormat(c *C) {
testYAML := "test.yaml"
defer os.RemoveAll(testYAML)
type myStruct struct {
Version string
User string
Password string
Directories []string
}
plainYAML := `version: "1"
user: guest
password: nopassword
directories:
- Work
- Documents
- Music
`
if runtime.GOOS == "windows" {
plainYAML = strings.Replace(plainYAML, "\n", "\r\n", -1)
}
saveMe := myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
// Save format using
config, err := New(&saveMe)
c.Assert(err, IsNil)
c.Assert(config, Not(IsNil))
err = config.Save(testYAML)
c.Assert(err, IsNil)
// Check if the saved structure in actually an YAML format
bytes, err := ioutil.ReadFile(testYAML)
c.Assert(err, IsNil)
c.Assert(plainYAML, Equals, string(bytes))
// Check if the loaded data is the same as the saved one
loadMe := myStruct{}
config, err = New(&loadMe)
err = config.Load(testYAML)
c.Assert(err, IsNil)
c.Assert(reflect.DeepEqual(saveMe, loadMe), Equals, true)
}
func (s *MySuite) TestJSONFormat(c *C) {
testJSON := "test.json"
defer os.RemoveAll(testJSON)
type myStruct struct {
Version string
User string
Password string
Directories []string
}
plainJSON := `{
"Version": "1",
"User": "guest",
"Password": "nopassword",
"Directories": [
"Work",
"Documents",
"Music"
]
}`
if runtime.GOOS == "windows" {
plainJSON = strings.Replace(plainJSON, "\n", "\r\n", -1)
}
saveMe := myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
// Save format using
config, err := New(&saveMe)
c.Assert(err, IsNil)
c.Assert(config, Not(IsNil))
err = config.Save(testJSON)
c.Assert(err, IsNil)
// Check if the saved structure in actually an JSON format
bytes, err := ioutil.ReadFile(testJSON)
c.Assert(err, IsNil)
c.Assert(plainJSON, Equals, string(bytes))
// Check if the loaded data is the same as the saved one
loadMe := myStruct{}
config, err = New(&loadMe)
err = config.Load(testJSON)
c.Assert(err, IsNil)
c.Assert(reflect.DeepEqual(saveMe, loadMe), Equals, true)
}
func (s *MySuite) TestSaveLoad(c *C) {
defer os.RemoveAll("test.json")
type myStruct struct {
Version string
User string
Password string
Directories []string
}
saveMe := myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
config, err := New(&saveMe)
c.Assert(err, IsNil)
c.Assert(config, Not(IsNil))
err = config.Save("test.json")
c.Assert(err, IsNil)
loadMe := myStruct{Version: "1"}
newConfig, err := New(&loadMe)
c.Assert(err, IsNil)
c.Assert(newConfig, Not(IsNil))
err = newConfig.Load("test.json")
c.Assert(err, IsNil)
c.Assert(config.Data(), DeepEquals, newConfig.Data())
c.Assert(config.Data(), DeepEquals, &loadMe)
mismatch := myStruct{"1.1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
c.Assert(newConfig.Data(), Not(DeepEquals), &mismatch)
}
func (s *MySuite) TestSaveBackup(c *C) {
defer os.RemoveAll("test.json")
defer os.RemoveAll("test.json.old")
type myStruct struct {
Version string
User string
Password string
Directories []string
}
saveMe := myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
config, err := New(&saveMe)
c.Assert(err, IsNil)
c.Assert(config, Not(IsNil))
err = config.Save("test.json")
c.Assert(err, IsNil)
loadMe := myStruct{Version: "1"}
newConfig, err := New(&loadMe)
c.Assert(err, IsNil)
c.Assert(newConfig, Not(IsNil))
err = newConfig.Load("test.json")
c.Assert(err, IsNil)
c.Assert(config.Data(), DeepEquals, newConfig.Data())
c.Assert(config.Data(), DeepEquals, &loadMe)
mismatch := myStruct{"1.1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
c.Assert(newConfig.Data(), Not(DeepEquals), &mismatch)
config, err = New(&mismatch)
c.Assert(err, IsNil)
c.Assert(config, Not(IsNil))
err = config.Save("test.json")
c.Assert(err, IsNil)
}
func (s *MySuite) TestDiff(c *C) {
type myStruct struct {
Version string
User string
Password string
Directories []string
}
saveMe := myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
config, err := New(&saveMe)
c.Assert(err, IsNil)
c.Assert(config, Not(IsNil))
type myNewStruct struct {
Version string
// User string
Password string
Directories []string
}
mismatch := myNewStruct{"1", "nopassword", []string{"Work", "documents", "Music"}}
newConfig, err := New(&mismatch)
c.Assert(err, IsNil)
c.Assert(newConfig, Not(IsNil))
fields, ok := config.Diff(newConfig)
c.Assert(ok, IsNil)
c.Assert(len(fields), Equals, 1)
// Uncomment for debugging
// for i, field := range fields {
// fmt.Printf("Diff[%d]: %s=%v\n", i, field.Name(), field.Value())
// }
}
func (s *MySuite) TestDeepDiff(c *C) {
type myStruct struct {
Version string
User string
Password string
Directories []string
}
saveMe := myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
config, err := New(&saveMe)
c.Assert(err, IsNil)
c.Assert(config, Not(IsNil))
mismatch := myStruct{"1", "Guest", "nopassword", []string{"Work", "documents", "Music"}}
newConfig, err := New(&mismatch)
c.Assert(err, IsNil)
c.Assert(newConfig, Not(IsNil))
fields, err := config.DeepDiff(newConfig)
c.Assert(err, IsNil)
c.Assert(len(fields), Equals, 2)
// Uncomment for debugging
// for i, field := range fields {
// fmt.Printf("DeepDiff[%d]: %s=%v\n", i, field.Name(), field.Value())
// }
}