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506 lines
11 KiB
506 lines
11 KiB
/*
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* Quick - Quick key value store for config files and persistent state files
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*
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* Quick (C) 2015, 2016, 2017 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package quick
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import (
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"bytes"
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"encoding/json"
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"io/ioutil"
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"os"
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"reflect"
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"runtime"
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"strings"
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"testing"
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)
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func TestReadVersion(t *testing.T) {
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type myStruct struct {
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Version string
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}
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saveMe := myStruct{"1"}
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config, err := New(&saveMe)
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if err != nil {
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t.Fatal(err)
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}
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err = config.Save("test.json")
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if err != nil {
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t.Fatal(err)
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}
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version, err := GetVersion("test.json")
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if err != nil {
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t.Fatal(err)
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}
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if version != "1" {
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t.Fatalf("Expected version '1', got '%v'", version)
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}
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}
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func TestReadVersionErr(t *testing.T) {
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type myStruct struct {
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Version int
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}
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saveMe := myStruct{1}
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_, err := New(&saveMe)
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if err == nil {
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t.Fatal("Unexpected should fail in initialization for bad input")
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}
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err = ioutil.WriteFile("test.json", []byte("{ \"version\":2,"), 0644)
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if err != nil {
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t.Fatal(err)
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}
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_, err = GetVersion("test.json")
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if err == nil {
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t.Fatal("Unexpected should fail to fetch version")
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}
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err = ioutil.WriteFile("test.json", []byte("{ \"version\":2 }"), 0644)
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if err != nil {
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t.Fatal(err)
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}
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_, err = GetVersion("test.json")
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if err == nil {
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t.Fatal("Unexpected should fail to fetch version")
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}
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}
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func TestSaveFailOnDir(t *testing.T) {
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defer os.RemoveAll("test-1.json")
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err := os.MkdirAll("test-1.json", 0644)
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if err != nil {
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t.Fatal(err)
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}
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type myStruct struct {
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Version string
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}
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saveMe := myStruct{"1"}
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config, err := New(&saveMe)
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if err != nil {
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t.Fatal(err)
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}
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err = config.Save("test-1.json")
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if err == nil {
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t.Fatal("Unexpected should fail to save if test-1.json is a directory")
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}
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}
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func TestCheckData(t *testing.T) {
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err := checkData(nil)
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if err == nil {
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t.Fatal("Unexpected should fail")
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}
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type myStructBadNoVersion struct {
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User string
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Password string
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Directories []string
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}
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saveMeBadNoVersion := myStructBadNoVersion{"guest", "nopassword", []string{"Work", "Documents", "Music"}}
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err = checkData(&saveMeBadNoVersion)
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if err == nil {
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t.Fatal("Unexpected should fail if Version is not set")
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}
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type myStructBadVersionInt struct {
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Version int
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User string
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Password string
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}
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saveMeBadVersionInt := myStructBadVersionInt{1, "guest", "nopassword"}
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err = checkData(&saveMeBadVersionInt)
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if err == nil {
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t.Fatal("Unexpected should fail if Version is integer")
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}
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type myStructGood struct {
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Version string
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User string
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Password string
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Directories []string
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}
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saveMeGood := myStructGood{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
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err = checkData(&saveMeGood)
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestLoadFile(t *testing.T) {
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type myStruct struct {
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Version string
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User string
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Password string
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Directories []string
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}
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saveMe := myStruct{}
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_, err := Load("test.json", &saveMe)
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if err == nil {
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t.Fatal(err)
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}
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file, err := os.Create("test.json")
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if err != nil {
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t.Fatal(err)
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}
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if err = file.Close(); err != nil {
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t.Fatal(err)
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}
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_, err = Load("test.json", &saveMe)
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if err == nil {
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t.Fatal("Unexpected should fail to load empty JSON")
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}
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config, err := New(&saveMe)
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if err != nil {
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t.Fatal(err)
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}
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err = config.Load("test-non-exist.json")
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if err == nil {
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t.Fatal("Unexpected should fail to Load non-existent config")
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}
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err = config.Load("test.json")
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if err == nil {
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t.Fatal("Unexpected should fail to load empty JSON")
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}
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saveMe = myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
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config, err = New(&saveMe)
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if err != nil {
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t.Fatal(err)
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}
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err = config.Save("test.json")
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if err != nil {
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t.Fatal(err)
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}
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saveMe1 := myStruct{}
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_, err = Load("test.json", &saveMe1)
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(saveMe1, saveMe) {
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t.Fatalf("Expected %v, got %v", saveMe1, saveMe)
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}
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saveMe2 := myStruct{}
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err = json.Unmarshal([]byte(config.String()), &saveMe2)
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(saveMe2, saveMe1) {
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t.Fatalf("Expected %v, got %v", saveMe2, saveMe1)
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}
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}
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func TestYAMLFormat(t *testing.T) {
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testYAML := "test.yaml"
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defer os.RemoveAll(testYAML)
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type myStruct struct {
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Version string
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User string
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Password string
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Directories []string
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}
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plainYAML := `version: "1"
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user: guest
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password: nopassword
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directories:
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- Work
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- Documents
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- Music
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`
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if runtime.GOOS == "windows" {
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plainYAML = strings.Replace(plainYAML, "\n", "\r\n", -1)
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}
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saveMe := myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
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// Save format using
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config, err := New(&saveMe)
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if err != nil {
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t.Fatal(err)
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}
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err = config.Save(testYAML)
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if err != nil {
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t.Fatal(err)
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}
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// Check if the saved structure in actually an YAML format
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b, err := ioutil.ReadFile(testYAML)
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal([]byte(plainYAML), b) {
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t.Fatalf("Expected %v, got %v", plainYAML, string(b))
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}
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// Check if the loaded data is the same as the saved one
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loadMe := myStruct{}
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config, err = New(&loadMe)
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if err != nil {
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t.Fatal(err)
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}
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err = config.Load(testYAML)
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(saveMe, loadMe) {
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t.Fatalf("Expected %v, got %v", saveMe, loadMe)
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}
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}
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func TestJSONFormat(t *testing.T) {
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testJSON := "test.json"
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defer os.RemoveAll(testJSON)
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type myStruct struct {
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Version string
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User string
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Password string
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Directories []string
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}
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plainJSON := `{
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"Version": "1",
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"User": "guest",
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"Password": "nopassword",
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"Directories": [
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"Work",
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"Documents",
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"Music"
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]
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}`
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if runtime.GOOS == "windows" {
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plainJSON = strings.Replace(plainJSON, "\n", "\r\n", -1)
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}
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saveMe := myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
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// Save format using
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config, err := New(&saveMe)
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if err != nil {
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t.Fatal(err)
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}
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err = config.Save(testJSON)
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if err != nil {
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t.Fatal(err)
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}
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// Check if the saved structure in actually an JSON format
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b, err := ioutil.ReadFile(testJSON)
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal([]byte(plainJSON), b) {
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t.Fatalf("Expected %v, got %v", plainJSON, string(b))
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}
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// Check if the loaded data is the same as the saved one
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loadMe := myStruct{}
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config, err = New(&loadMe)
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if err != nil {
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t.Fatal(err)
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}
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err = config.Load(testJSON)
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(saveMe, loadMe) {
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t.Fatalf("Expected %v, got %v", saveMe, loadMe)
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}
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}
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func TestSaveLoad(t *testing.T) {
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defer os.RemoveAll("test.json")
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type myStruct struct {
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Version string
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User string
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Password string
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Directories []string
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}
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saveMe := myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
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config, err := New(&saveMe)
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if err != nil {
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t.Fatal(err)
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}
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err = config.Save("test.json")
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if err != nil {
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t.Fatal(err)
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}
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loadMe := myStruct{Version: "1"}
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newConfig, err := New(&loadMe)
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if err != nil {
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t.Fatal(err)
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}
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err = newConfig.Load("test.json")
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(config.Data(), newConfig.Data()) {
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t.Fatalf("Expected %v, got %v", config.Data(), newConfig.Data())
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}
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if !reflect.DeepEqual(config.Data(), &loadMe) {
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t.Fatalf("Expected %v, got %v", config.Data(), &loadMe)
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}
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mismatch := myStruct{"1.1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
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if reflect.DeepEqual(config.Data(), &mismatch) {
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t.Fatal("Expected to mismatch but succeeded instead")
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}
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}
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func TestSaveBackup(t *testing.T) {
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defer os.RemoveAll("test.json")
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defer os.RemoveAll("test.json.old")
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type myStruct struct {
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Version string
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User string
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Password string
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Directories []string
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}
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saveMe := myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
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config, err := New(&saveMe)
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if err != nil {
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t.Fatal(err)
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}
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err = config.Save("test.json")
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if err != nil {
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t.Fatal(err)
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}
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loadMe := myStruct{Version: "1"}
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newConfig, err := New(&loadMe)
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if err != nil {
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t.Fatal(err)
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}
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err = newConfig.Load("test.json")
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(config.Data(), newConfig.Data()) {
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t.Fatalf("Expected %v, got %v", config.Data(), newConfig.Data())
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}
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if !reflect.DeepEqual(config.Data(), &loadMe) {
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t.Fatalf("Expected %v, got %v", config.Data(), &loadMe)
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}
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mismatch := myStruct{"1.1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
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if reflect.DeepEqual(newConfig.Data(), &mismatch) {
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t.Fatal("Expected to mismatch but succeeded instead")
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}
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config, err = New(&mismatch)
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if err != nil {
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t.Fatal(err)
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}
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err = config.Save("test.json")
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestDiff(t *testing.T) {
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type myStruct struct {
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Version string
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User string
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Password string
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Directories []string
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}
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saveMe := myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
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config, err := New(&saveMe)
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if err != nil {
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t.Fatal(err)
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}
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type myNewStruct struct {
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Version string
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// User string
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Password string
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Directories []string
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}
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mismatch := myNewStruct{"1", "nopassword", []string{"Work", "documents", "Music"}}
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newConfig, err := New(&mismatch)
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if err != nil {
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t.Fatal(err)
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}
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fields, err := config.Diff(newConfig)
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if err != nil {
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t.Fatal(err)
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}
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if len(fields) != 1 {
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t.Fatalf("Expected len 1, got %v", len(fields))
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}
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// Uncomment for debugging
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// for i, field := range fields {
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// fmt.Printf("Diff[%d]: %s=%v\n", i, field.Name(), field.Value())
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// }
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}
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func TestDeepDiff(t *testing.T) {
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type myStruct struct {
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Version string
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User string
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Password string
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Directories []string
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}
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saveMe := myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
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config, err := New(&saveMe)
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if err != nil {
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t.Fatal(err)
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}
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mismatch := myStruct{"1", "Guest", "nopassword", []string{"Work", "documents", "Music"}}
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newConfig, err := New(&mismatch)
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if err != nil {
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t.Fatal(err)
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}
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fields, err := config.DeepDiff(newConfig)
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if err != nil {
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t.Fatal(err)
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}
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if len(fields) != 2 {
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t.Fatalf("Expected len 2, got %v", len(fields))
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}
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// Uncomment for debugging
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// for i, field := range fields {
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// fmt.Printf("DeepDiff[%d]: %s=%v\n", i, field.Name(), field.Value())
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// }
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}
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