mirror of
https://github.com/spf13/viper
synced 2025-05-07 12:47:18 +00:00
2cb5cbf43c
YAML, TOML, and JSON dictate keys to be case-sensitive. Viper's default behaviour of lowercasing the keys for key insensitivity is incompatible with these standards and has the side effect of making it difficult for use cases such as case sensitive API credentials in configuration. For eg: MyApiKey=MySecret (in TOML). See #131, #260, #293, #371, #373 This commit adds a global function `viper.SetKeysCaseSensitive()` that enables this behaviour to be turned off, after which, all keys, irrespective of nesting, retain their cases. This respects all configuration operations including getting, setting, and merging.
1705 lines
37 KiB
Go
1705 lines
37 KiB
Go
// Copyright © 2014 Steve Francia <spf@spf13.com>.
|
|
//
|
|
// Use of this source code is governed by an MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package viper
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"io/ioutil"
|
|
"os"
|
|
"os/exec"
|
|
"path"
|
|
"reflect"
|
|
"runtime"
|
|
"sort"
|
|
"strings"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/fsnotify/fsnotify"
|
|
"github.com/mitchellh/mapstructure"
|
|
"github.com/spf13/afero"
|
|
"github.com/spf13/cast"
|
|
|
|
"github.com/spf13/pflag"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
var yamlExample = []byte(`Hacker: true
|
|
name: steve
|
|
hobbies:
|
|
- skateboarding
|
|
- snowboarding
|
|
- go
|
|
clothing:
|
|
jacket: leather
|
|
trousers: denim
|
|
pants:
|
|
size: large
|
|
age: 35
|
|
eyes : brown
|
|
beard: true
|
|
`)
|
|
|
|
var yamlExampleWithExtras = []byte(`Existing: true
|
|
Bogus: true
|
|
`)
|
|
|
|
type testUnmarshalExtra struct {
|
|
Existing bool
|
|
}
|
|
|
|
var tomlExample = []byte(`
|
|
title = "TOML Example"
|
|
|
|
[owner]
|
|
organization = "MongoDB"
|
|
Bio = "MongoDB Chief Developer Advocate & Hacker at Large"
|
|
dob = 1979-05-27T07:32:00Z # First class dates? Why not?`)
|
|
|
|
var jsonExample = []byte(`{
|
|
"id": "0001",
|
|
"type": "donut",
|
|
"name": "Cake",
|
|
"ppu": 0.55,
|
|
"batters": {
|
|
"batter": [
|
|
{ "type": "Regular" },
|
|
{ "type": "Chocolate" },
|
|
{ "type": "Blueberry" },
|
|
{ "type": "Devil's Food" }
|
|
]
|
|
}
|
|
}`)
|
|
|
|
var hclExample = []byte(`
|
|
id = "0001"
|
|
type = "donut"
|
|
name = "Cake"
|
|
ppu = 0.55
|
|
foos {
|
|
foo {
|
|
key = 1
|
|
}
|
|
foo {
|
|
key = 2
|
|
}
|
|
foo {
|
|
key = 3
|
|
}
|
|
foo {
|
|
key = 4
|
|
}
|
|
}`)
|
|
|
|
var propertiesExample = []byte(`
|
|
p_id: 0001
|
|
p_type: donut
|
|
p_name: Cake
|
|
p_ppu: 0.55
|
|
p_batters.batter.type: Regular
|
|
`)
|
|
|
|
var remoteExample = []byte(`{
|
|
"id":"0002",
|
|
"type":"cronut",
|
|
"newkey":"remote"
|
|
}`)
|
|
|
|
func initConfigs() {
|
|
Reset()
|
|
var r io.Reader
|
|
SetConfigType("yaml")
|
|
r = bytes.NewReader(yamlExample)
|
|
unmarshalReader(r, v.config)
|
|
|
|
SetConfigType("json")
|
|
r = bytes.NewReader(jsonExample)
|
|
unmarshalReader(r, v.config)
|
|
|
|
SetConfigType("hcl")
|
|
r = bytes.NewReader(hclExample)
|
|
unmarshalReader(r, v.config)
|
|
|
|
SetConfigType("properties")
|
|
r = bytes.NewReader(propertiesExample)
|
|
unmarshalReader(r, v.config)
|
|
|
|
SetConfigType("toml")
|
|
r = bytes.NewReader(tomlExample)
|
|
unmarshalReader(r, v.config)
|
|
|
|
SetConfigType("json")
|
|
remote := bytes.NewReader(remoteExample)
|
|
unmarshalReader(remote, v.kvstore)
|
|
}
|
|
|
|
func initConfig(typ, config string) {
|
|
Reset()
|
|
SetConfigType(typ)
|
|
r := strings.NewReader(config)
|
|
|
|
if err := unmarshalReader(r, v.config); err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
func initYAML() {
|
|
initConfig("yaml", string(yamlExample))
|
|
}
|
|
|
|
func initJSON() {
|
|
Reset()
|
|
SetConfigType("json")
|
|
r := bytes.NewReader(jsonExample)
|
|
|
|
unmarshalReader(r, v.config)
|
|
}
|
|
|
|
func initProperties() {
|
|
Reset()
|
|
SetConfigType("properties")
|
|
r := bytes.NewReader(propertiesExample)
|
|
|
|
unmarshalReader(r, v.config)
|
|
}
|
|
|
|
func initTOML() {
|
|
Reset()
|
|
SetConfigType("toml")
|
|
r := bytes.NewReader(tomlExample)
|
|
|
|
unmarshalReader(r, v.config)
|
|
}
|
|
|
|
func initHcl() {
|
|
Reset()
|
|
SetConfigType("hcl")
|
|
r := bytes.NewReader(hclExample)
|
|
|
|
unmarshalReader(r, v.config)
|
|
}
|
|
|
|
// make directories for testing
|
|
func initDirs(t *testing.T) (string, string, func()) {
|
|
|
|
var (
|
|
testDirs = []string{`a a`, `b`, `c\c`, `D_`}
|
|
config = `improbable`
|
|
)
|
|
|
|
root, err := ioutil.TempDir("", "")
|
|
|
|
cleanup := true
|
|
defer func() {
|
|
if cleanup {
|
|
os.Chdir("..")
|
|
os.RemoveAll(root)
|
|
}
|
|
}()
|
|
|
|
assert.Nil(t, err)
|
|
|
|
err = os.Chdir(root)
|
|
assert.Nil(t, err)
|
|
|
|
for _, dir := range testDirs {
|
|
err = os.Mkdir(dir, 0750)
|
|
assert.Nil(t, err)
|
|
|
|
err = ioutil.WriteFile(
|
|
path.Join(dir, config+".toml"),
|
|
[]byte("key = \"value is "+dir+"\"\n"),
|
|
0640)
|
|
assert.Nil(t, err)
|
|
}
|
|
|
|
cleanup = false
|
|
return root, config, func() {
|
|
os.Chdir("..")
|
|
os.RemoveAll(root)
|
|
}
|
|
}
|
|
|
|
//stubs for PFlag Values
|
|
type stringValue string
|
|
|
|
func newStringValue(val string, p *string) *stringValue {
|
|
*p = val
|
|
return (*stringValue)(p)
|
|
}
|
|
|
|
func (s *stringValue) Set(val string) error {
|
|
*s = stringValue(val)
|
|
return nil
|
|
}
|
|
|
|
func (s *stringValue) Type() string {
|
|
return "string"
|
|
}
|
|
|
|
func (s *stringValue) String() string {
|
|
return fmt.Sprintf("%s", *s)
|
|
}
|
|
|
|
func TestBasics(t *testing.T) {
|
|
SetConfigFile("/tmp/config.yaml")
|
|
filename, err := v.getConfigFile()
|
|
assert.Equal(t, "/tmp/config.yaml", filename)
|
|
assert.NoError(t, err)
|
|
}
|
|
|
|
func TestDefault(t *testing.T) {
|
|
SetDefault("age", 45)
|
|
assert.Equal(t, 45, Get("age"))
|
|
|
|
SetDefault("clothing.jacket", "slacks")
|
|
assert.Equal(t, "slacks", Get("clothing.jacket"))
|
|
|
|
SetConfigType("yaml")
|
|
err := ReadConfig(bytes.NewBuffer(yamlExample))
|
|
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, "leather", Get("clothing.jacket"))
|
|
}
|
|
|
|
func TestUnmarshaling(t *testing.T) {
|
|
SetConfigType("yaml")
|
|
r := bytes.NewReader(yamlExample)
|
|
|
|
unmarshalReader(r, v.config)
|
|
assert.True(t, InConfig("name"))
|
|
assert.False(t, InConfig("state"))
|
|
assert.Equal(t, "steve", Get("name"))
|
|
assert.Equal(t, []interface{}{"skateboarding", "snowboarding", "go"}, Get("hobbies"))
|
|
assert.Equal(t, map[string]interface{}{"jacket": "leather", "trousers": "denim", "pants": map[string]interface{}{"size": "large"}}, Get("clothing"))
|
|
assert.Equal(t, 35, Get("age"))
|
|
}
|
|
|
|
func TestUnmarshalExact(t *testing.T) {
|
|
vip := New()
|
|
target := &testUnmarshalExtra{}
|
|
vip.SetConfigType("yaml")
|
|
r := bytes.NewReader(yamlExampleWithExtras)
|
|
vip.ReadConfig(r)
|
|
err := vip.UnmarshalExact(target)
|
|
if err == nil {
|
|
t.Fatal("UnmarshalExact should error when populating a struct from a conf that contains unused fields")
|
|
}
|
|
}
|
|
|
|
func TestOverrides(t *testing.T) {
|
|
Set("age", 40)
|
|
assert.Equal(t, 40, Get("age"))
|
|
}
|
|
|
|
func TestDefaultPost(t *testing.T) {
|
|
assert.NotEqual(t, "NYC", Get("state"))
|
|
SetDefault("state", "NYC")
|
|
assert.Equal(t, "NYC", Get("state"))
|
|
}
|
|
|
|
func TestAliases(t *testing.T) {
|
|
RegisterAlias("years", "age")
|
|
assert.Equal(t, 40, Get("years"))
|
|
Set("years", 45)
|
|
assert.Equal(t, 45, Get("age"))
|
|
}
|
|
|
|
func TestAliasInConfigFile(t *testing.T) {
|
|
// the config file specifies "beard". If we make this an alias for
|
|
// "hasbeard", we still want the old config file to work with beard.
|
|
RegisterAlias("beard", "hasbeard")
|
|
assert.Equal(t, true, Get("hasbeard"))
|
|
Set("hasbeard", false)
|
|
assert.Equal(t, false, Get("beard"))
|
|
}
|
|
|
|
func TestYML(t *testing.T) {
|
|
initYAML()
|
|
assert.Equal(t, "steve", Get("name"))
|
|
}
|
|
|
|
func TestJSON(t *testing.T) {
|
|
initJSON()
|
|
assert.Equal(t, "0001", Get("id"))
|
|
}
|
|
|
|
func TestProperties(t *testing.T) {
|
|
initProperties()
|
|
assert.Equal(t, "0001", Get("p_id"))
|
|
}
|
|
|
|
func TestTOML(t *testing.T) {
|
|
initTOML()
|
|
assert.Equal(t, "TOML Example", Get("title"))
|
|
}
|
|
|
|
func TestHCL(t *testing.T) {
|
|
initHcl()
|
|
assert.Equal(t, "0001", Get("id"))
|
|
assert.Equal(t, 0.55, Get("ppu"))
|
|
assert.Equal(t, "donut", Get("type"))
|
|
assert.Equal(t, "Cake", Get("name"))
|
|
Set("id", "0002")
|
|
assert.Equal(t, "0002", Get("id"))
|
|
assert.NotEqual(t, "cronut", Get("type"))
|
|
}
|
|
|
|
func TestRemotePrecedence(t *testing.T) {
|
|
initJSON()
|
|
|
|
remote := bytes.NewReader(remoteExample)
|
|
assert.Equal(t, "0001", Get("id"))
|
|
unmarshalReader(remote, v.kvstore)
|
|
assert.Equal(t, "0001", Get("id"))
|
|
assert.NotEqual(t, "cronut", Get("type"))
|
|
assert.Equal(t, "remote", Get("newkey"))
|
|
Set("newkey", "newvalue")
|
|
assert.NotEqual(t, "remote", Get("newkey"))
|
|
assert.Equal(t, "newvalue", Get("newkey"))
|
|
Set("newkey", "remote")
|
|
}
|
|
|
|
func TestEnv(t *testing.T) {
|
|
initJSON()
|
|
|
|
BindEnv("id")
|
|
BindEnv("f", "FOOD")
|
|
|
|
os.Setenv("ID", "13")
|
|
os.Setenv("FOOD", "apple")
|
|
os.Setenv("NAME", "crunk")
|
|
|
|
assert.Equal(t, "13", Get("id"))
|
|
assert.Equal(t, "apple", Get("f"))
|
|
assert.Equal(t, "Cake", Get("name"))
|
|
|
|
AutomaticEnv()
|
|
|
|
assert.Equal(t, "crunk", Get("name"))
|
|
|
|
}
|
|
|
|
func TestEmptyEnv(t *testing.T) {
|
|
initJSON()
|
|
|
|
BindEnv("type") // Empty environment variable
|
|
BindEnv("name") // Bound, but not set environment variable
|
|
|
|
os.Clearenv()
|
|
|
|
os.Setenv("TYPE", "")
|
|
|
|
assert.Equal(t, "donut", Get("type"))
|
|
assert.Equal(t, "Cake", Get("name"))
|
|
}
|
|
|
|
func TestEmptyEnv_Allowed(t *testing.T) {
|
|
initJSON()
|
|
|
|
AllowEmptyEnv(true)
|
|
|
|
BindEnv("type") // Empty environment variable
|
|
BindEnv("name") // Bound, but not set environment variable
|
|
|
|
os.Clearenv()
|
|
|
|
os.Setenv("TYPE", "")
|
|
|
|
assert.Equal(t, "", Get("type"))
|
|
assert.Equal(t, "Cake", Get("name"))
|
|
}
|
|
|
|
func TestEnvPrefix(t *testing.T) {
|
|
initJSON()
|
|
|
|
SetEnvPrefix("foo") // will be uppercased automatically
|
|
BindEnv("id")
|
|
BindEnv("f", "FOOD") // not using prefix
|
|
|
|
os.Setenv("FOO_ID", "13")
|
|
os.Setenv("FOOD", "apple")
|
|
os.Setenv("FOO_NAME", "crunk")
|
|
|
|
assert.Equal(t, "13", Get("id"))
|
|
assert.Equal(t, "apple", Get("f"))
|
|
assert.Equal(t, "Cake", Get("name"))
|
|
|
|
AutomaticEnv()
|
|
|
|
assert.Equal(t, "crunk", Get("name"))
|
|
}
|
|
|
|
func TestAutoEnv(t *testing.T) {
|
|
Reset()
|
|
|
|
AutomaticEnv()
|
|
os.Setenv("FOO_BAR", "13")
|
|
assert.Equal(t, "13", Get("foo_bar"))
|
|
}
|
|
|
|
func TestAutoEnvWithPrefix(t *testing.T) {
|
|
Reset()
|
|
|
|
AutomaticEnv()
|
|
SetEnvPrefix("Baz")
|
|
os.Setenv("BAZ_BAR", "13")
|
|
assert.Equal(t, "13", Get("bar"))
|
|
}
|
|
|
|
func TestSetEnvKeyReplacer(t *testing.T) {
|
|
Reset()
|
|
|
|
AutomaticEnv()
|
|
os.Setenv("REFRESH_INTERVAL", "30s")
|
|
|
|
replacer := strings.NewReplacer("-", "_")
|
|
SetEnvKeyReplacer(replacer)
|
|
|
|
assert.Equal(t, "30s", Get("refresh-interval"))
|
|
}
|
|
|
|
func TestAllKeys(t *testing.T) {
|
|
initConfigs()
|
|
|
|
ks := sort.StringSlice{"title", "newkey", "owner.organization", "owner.dob", "owner.bio", "name", "beard", "ppu", "batters.batter", "hobbies", "clothing.jacket", "clothing.trousers", "clothing.pants.size", "age", "hacker", "id", "type", "eyes", "p_id", "p_ppu", "p_batters.batter.type", "p_type", "p_name", "foos"}
|
|
dob, _ := time.Parse(time.RFC3339, "1979-05-27T07:32:00Z")
|
|
all := map[string]interface{}{"owner": map[string]interface{}{"organization": "MongoDB", "bio": "MongoDB Chief Developer Advocate & Hacker at Large", "dob": dob}, "title": "TOML Example", "ppu": 0.55, "eyes": "brown", "clothing": map[string]interface{}{"trousers": "denim", "jacket": "leather", "pants": map[string]interface{}{"size": "large"}}, "id": "0001", "batters": map[string]interface{}{"batter": []interface{}{map[string]interface{}{"type": "Regular"}, map[string]interface{}{"type": "Chocolate"}, map[string]interface{}{"type": "Blueberry"}, map[string]interface{}{"type": "Devil's Food"}}}, "hacker": true, "beard": true, "hobbies": []interface{}{"skateboarding", "snowboarding", "go"}, "age": 35, "type": "donut", "newkey": "remote", "name": "Cake", "p_id": "0001", "p_ppu": "0.55", "p_name": "Cake", "p_batters": map[string]interface{}{"batter": map[string]interface{}{"type": "Regular"}}, "p_type": "donut", "foos": []map[string]interface{}{map[string]interface{}{"foo": []map[string]interface{}{map[string]interface{}{"key": 1}, map[string]interface{}{"key": 2}, map[string]interface{}{"key": 3}, map[string]interface{}{"key": 4}}}}}
|
|
|
|
var allkeys sort.StringSlice
|
|
allkeys = AllKeys()
|
|
allkeys.Sort()
|
|
ks.Sort()
|
|
|
|
assert.Equal(t, ks, allkeys)
|
|
assert.Equal(t, all, AllSettings())
|
|
}
|
|
|
|
func TestAllKeysWithEnv(t *testing.T) {
|
|
v := New()
|
|
|
|
// bind and define environment variables (including a nested one)
|
|
v.BindEnv("id")
|
|
v.BindEnv("foo.bar")
|
|
v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
|
|
os.Setenv("ID", "13")
|
|
os.Setenv("FOO_BAR", "baz")
|
|
|
|
expectedKeys := sort.StringSlice{"id", "foo.bar"}
|
|
expectedKeys.Sort()
|
|
keys := sort.StringSlice(v.AllKeys())
|
|
keys.Sort()
|
|
assert.Equal(t, expectedKeys, keys)
|
|
}
|
|
|
|
func TestAliasesOfAliases(t *testing.T) {
|
|
Set("Title", "Checking Case")
|
|
RegisterAlias("Foo", "Bar")
|
|
RegisterAlias("Bar", "Title")
|
|
assert.Equal(t, "Checking Case", Get("FOO"))
|
|
}
|
|
|
|
func TestRecursiveAliases(t *testing.T) {
|
|
RegisterAlias("Baz", "Roo")
|
|
RegisterAlias("Roo", "baz")
|
|
}
|
|
|
|
func TestUnmarshal(t *testing.T) {
|
|
SetDefault("port", 1313)
|
|
Set("name", "Steve")
|
|
Set("duration", "1s1ms")
|
|
|
|
type config struct {
|
|
Port int
|
|
Name string
|
|
Duration time.Duration
|
|
}
|
|
|
|
var C config
|
|
|
|
err := Unmarshal(&C)
|
|
if err != nil {
|
|
t.Fatalf("unable to decode into struct, %v", err)
|
|
}
|
|
|
|
assert.Equal(t, &config{Name: "Steve", Port: 1313, Duration: time.Second + time.Millisecond}, &C)
|
|
|
|
Set("port", 1234)
|
|
err = Unmarshal(&C)
|
|
if err != nil {
|
|
t.Fatalf("unable to decode into struct, %v", err)
|
|
}
|
|
assert.Equal(t, &config{Name: "Steve", Port: 1234, Duration: time.Second + time.Millisecond}, &C)
|
|
}
|
|
|
|
func TestUnmarshalWithDecoderOptions(t *testing.T) {
|
|
Set("credentials", "{\"foo\":\"bar\"}")
|
|
|
|
opt := DecodeHook(mapstructure.ComposeDecodeHookFunc(
|
|
mapstructure.StringToTimeDurationHookFunc(),
|
|
mapstructure.StringToSliceHookFunc(","),
|
|
// Custom Decode Hook Function
|
|
func(rf reflect.Kind, rt reflect.Kind, data interface{}) (interface{}, error) {
|
|
if rf != reflect.String || rt != reflect.Map {
|
|
return data, nil
|
|
}
|
|
m := map[string]string{}
|
|
raw := data.(string)
|
|
if raw == "" {
|
|
return m, nil
|
|
}
|
|
return m, json.Unmarshal([]byte(raw), &m)
|
|
},
|
|
))
|
|
|
|
type config struct {
|
|
Credentials map[string]string
|
|
}
|
|
|
|
var C config
|
|
|
|
err := Unmarshal(&C, opt)
|
|
if err != nil {
|
|
t.Fatalf("unable to decode into struct, %v", err)
|
|
}
|
|
|
|
assert.Equal(t, &config{
|
|
Credentials: map[string]string{"foo": "bar"},
|
|
}, &C)
|
|
}
|
|
|
|
func TestBindPFlags(t *testing.T) {
|
|
v := New() // create independent Viper object
|
|
flagSet := pflag.NewFlagSet("test", pflag.ContinueOnError)
|
|
|
|
var testValues = map[string]*string{
|
|
"host": nil,
|
|
"port": nil,
|
|
"endpoint": nil,
|
|
}
|
|
|
|
var mutatedTestValues = map[string]string{
|
|
"host": "localhost",
|
|
"port": "6060",
|
|
"endpoint": "/public",
|
|
}
|
|
|
|
for name := range testValues {
|
|
testValues[name] = flagSet.String(name, "", "test")
|
|
}
|
|
|
|
err := v.BindPFlags(flagSet)
|
|
if err != nil {
|
|
t.Fatalf("error binding flag set, %v", err)
|
|
}
|
|
|
|
flagSet.VisitAll(func(flag *pflag.Flag) {
|
|
flag.Value.Set(mutatedTestValues[flag.Name])
|
|
flag.Changed = true
|
|
})
|
|
|
|
for name, expected := range mutatedTestValues {
|
|
assert.Equal(t, expected, v.Get(name))
|
|
}
|
|
|
|
}
|
|
|
|
func TestBindPFlagsStringSlice(t *testing.T) {
|
|
tests := []struct {
|
|
Expected []string
|
|
Value string
|
|
}{
|
|
{nil, ""},
|
|
{[]string{"jeden"}, "jeden"},
|
|
{[]string{"dwa", "trzy"}, "dwa,trzy"},
|
|
{[]string{"cztery", "piec , szesc"}, "cztery,\"piec , szesc\""},
|
|
}
|
|
|
|
v := New() // create independent Viper object
|
|
defaultVal := []string{"default"}
|
|
v.SetDefault("stringslice", defaultVal)
|
|
|
|
for _, testValue := range tests {
|
|
flagSet := pflag.NewFlagSet("test", pflag.ContinueOnError)
|
|
flagSet.StringSlice("stringslice", testValue.Expected, "test")
|
|
|
|
for _, changed := range []bool{true, false} {
|
|
flagSet.VisitAll(func(f *pflag.Flag) {
|
|
f.Value.Set(testValue.Value)
|
|
f.Changed = changed
|
|
})
|
|
|
|
err := v.BindPFlags(flagSet)
|
|
if err != nil {
|
|
t.Fatalf("error binding flag set, %v", err)
|
|
}
|
|
|
|
type TestStr struct {
|
|
StringSlice []string
|
|
}
|
|
val := &TestStr{}
|
|
if err := v.Unmarshal(val); err != nil {
|
|
t.Fatalf("%+#v cannot unmarshal: %s", testValue.Value, err)
|
|
}
|
|
if changed {
|
|
assert.Equal(t, testValue.Expected, val.StringSlice)
|
|
} else {
|
|
assert.Equal(t, defaultVal, val.StringSlice)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestBindPFlag(t *testing.T) {
|
|
var testString = "testing"
|
|
var testValue = newStringValue(testString, &testString)
|
|
|
|
flag := &pflag.Flag{
|
|
Name: "testflag",
|
|
Value: testValue,
|
|
Changed: false,
|
|
}
|
|
|
|
BindPFlag("testvalue", flag)
|
|
|
|
assert.Equal(t, testString, Get("testvalue"))
|
|
|
|
flag.Value.Set("testing_mutate")
|
|
flag.Changed = true //hack for pflag usage
|
|
|
|
assert.Equal(t, "testing_mutate", Get("testvalue"))
|
|
|
|
}
|
|
|
|
func TestBoundCaseSensitivity(t *testing.T) {
|
|
assert.Equal(t, "brown", Get("eyes"))
|
|
|
|
BindEnv("eYEs", "TURTLE_EYES")
|
|
os.Setenv("TURTLE_EYES", "blue")
|
|
|
|
assert.Equal(t, "blue", Get("eyes"))
|
|
|
|
var testString = "green"
|
|
var testValue = newStringValue(testString, &testString)
|
|
|
|
flag := &pflag.Flag{
|
|
Name: "eyeballs",
|
|
Value: testValue,
|
|
Changed: true,
|
|
}
|
|
|
|
BindPFlag("eYEs", flag)
|
|
assert.Equal(t, "green", Get("eyes"))
|
|
|
|
}
|
|
|
|
func TestSizeInBytes(t *testing.T) {
|
|
input := map[string]uint{
|
|
"": 0,
|
|
"b": 0,
|
|
"12 bytes": 0,
|
|
"200000000000gb": 0,
|
|
"12 b": 12,
|
|
"43 MB": 43 * (1 << 20),
|
|
"10mb": 10 * (1 << 20),
|
|
"1gb": 1 << 30,
|
|
}
|
|
|
|
for str, expected := range input {
|
|
assert.Equal(t, expected, parseSizeInBytes(str), str)
|
|
}
|
|
}
|
|
|
|
func TestFindsNestedKeys(t *testing.T) {
|
|
initConfigs()
|
|
dob, _ := time.Parse(time.RFC3339, "1979-05-27T07:32:00Z")
|
|
|
|
Set("super", map[string]interface{}{
|
|
"deep": map[string]interface{}{
|
|
"nested": "value",
|
|
},
|
|
})
|
|
|
|
expected := map[string]interface{}{
|
|
"super": map[string]interface{}{
|
|
"deep": map[string]interface{}{
|
|
"nested": "value",
|
|
},
|
|
},
|
|
"super.deep": map[string]interface{}{
|
|
"nested": "value",
|
|
},
|
|
"super.deep.nested": "value",
|
|
"owner.organization": "MongoDB",
|
|
"batters.batter": []interface{}{
|
|
map[string]interface{}{
|
|
"type": "Regular",
|
|
},
|
|
map[string]interface{}{
|
|
"type": "Chocolate",
|
|
},
|
|
map[string]interface{}{
|
|
"type": "Blueberry",
|
|
},
|
|
map[string]interface{}{
|
|
"type": "Devil's Food",
|
|
},
|
|
},
|
|
"hobbies": []interface{}{
|
|
"skateboarding", "snowboarding", "go",
|
|
},
|
|
"title": "TOML Example",
|
|
"newkey": "remote",
|
|
"batters": map[string]interface{}{
|
|
"batter": []interface{}{
|
|
map[string]interface{}{
|
|
"type": "Regular",
|
|
},
|
|
map[string]interface{}{
|
|
"type": "Chocolate",
|
|
}, map[string]interface{}{
|
|
"type": "Blueberry",
|
|
}, map[string]interface{}{
|
|
"type": "Devil's Food",
|
|
},
|
|
},
|
|
},
|
|
"eyes": "brown",
|
|
"age": 35,
|
|
"owner": map[string]interface{}{
|
|
"organization": "MongoDB",
|
|
"bio": "MongoDB Chief Developer Advocate & Hacker at Large",
|
|
"dob": dob,
|
|
},
|
|
"owner.bio": "MongoDB Chief Developer Advocate & Hacker at Large",
|
|
"type": "donut",
|
|
"id": "0001",
|
|
"name": "Cake",
|
|
"hacker": true,
|
|
"ppu": 0.55,
|
|
"clothing": map[string]interface{}{
|
|
"jacket": "leather",
|
|
"trousers": "denim",
|
|
"pants": map[string]interface{}{
|
|
"size": "large",
|
|
},
|
|
},
|
|
"clothing.jacket": "leather",
|
|
"clothing.pants.size": "large",
|
|
"clothing.trousers": "denim",
|
|
"owner.dob": dob,
|
|
"beard": true,
|
|
"foos": []map[string]interface{}{
|
|
map[string]interface{}{
|
|
"foo": []map[string]interface{}{
|
|
map[string]interface{}{
|
|
"key": 1,
|
|
},
|
|
map[string]interface{}{
|
|
"key": 2,
|
|
},
|
|
map[string]interface{}{
|
|
"key": 3,
|
|
},
|
|
map[string]interface{}{
|
|
"key": 4,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
for key, expectedValue := range expected {
|
|
|
|
assert.Equal(t, expectedValue, v.Get(key))
|
|
}
|
|
|
|
}
|
|
|
|
func TestReadBufConfig(t *testing.T) {
|
|
v := New()
|
|
v.SetConfigType("yaml")
|
|
v.ReadConfig(bytes.NewBuffer(yamlExample))
|
|
t.Log(v.AllKeys())
|
|
|
|
assert.True(t, v.InConfig("name"))
|
|
assert.False(t, v.InConfig("state"))
|
|
assert.Equal(t, "steve", v.Get("name"))
|
|
assert.Equal(t, []interface{}{"skateboarding", "snowboarding", "go"}, v.Get("hobbies"))
|
|
assert.Equal(t, map[string]interface{}{"jacket": "leather", "trousers": "denim", "pants": map[string]interface{}{"size": "large"}}, v.Get("clothing"))
|
|
assert.Equal(t, 35, v.Get("age"))
|
|
}
|
|
|
|
func TestIsSet(t *testing.T) {
|
|
v := New()
|
|
v.SetConfigType("yaml")
|
|
v.ReadConfig(bytes.NewBuffer(yamlExample))
|
|
assert.True(t, v.IsSet("clothing.jacket"))
|
|
assert.False(t, v.IsSet("clothing.jackets"))
|
|
assert.False(t, v.IsSet("helloworld"))
|
|
v.Set("helloworld", "fubar")
|
|
assert.True(t, v.IsSet("helloworld"))
|
|
}
|
|
|
|
func TestDirsSearch(t *testing.T) {
|
|
|
|
root, config, cleanup := initDirs(t)
|
|
defer cleanup()
|
|
|
|
v := New()
|
|
v.SetConfigName(config)
|
|
v.SetDefault(`key`, `default`)
|
|
|
|
entries, err := ioutil.ReadDir(root)
|
|
for _, e := range entries {
|
|
if e.IsDir() {
|
|
v.AddConfigPath(e.Name())
|
|
}
|
|
}
|
|
|
|
err = v.ReadInConfig()
|
|
assert.Nil(t, err)
|
|
|
|
assert.Equal(t, `value is `+path.Base(v.configPaths[0]), v.GetString(`key`))
|
|
}
|
|
|
|
func TestWrongDirsSearchNotFound(t *testing.T) {
|
|
|
|
_, config, cleanup := initDirs(t)
|
|
defer cleanup()
|
|
|
|
v := New()
|
|
v.SetConfigName(config)
|
|
v.SetDefault(`key`, `default`)
|
|
|
|
v.AddConfigPath(`whattayoutalkingbout`)
|
|
v.AddConfigPath(`thispathaintthere`)
|
|
|
|
err := v.ReadInConfig()
|
|
assert.Equal(t, reflect.TypeOf(ConfigFileNotFoundError{"", ""}), reflect.TypeOf(err))
|
|
|
|
// Even though config did not load and the error might have
|
|
// been ignored by the client, the default still loads
|
|
assert.Equal(t, `default`, v.GetString(`key`))
|
|
}
|
|
|
|
func TestWrongDirsSearchNotFoundForMerge(t *testing.T) {
|
|
|
|
_, config, cleanup := initDirs(t)
|
|
defer cleanup()
|
|
|
|
v := New()
|
|
v.SetConfigName(config)
|
|
v.SetDefault(`key`, `default`)
|
|
|
|
v.AddConfigPath(`whattayoutalkingbout`)
|
|
v.AddConfigPath(`thispathaintthere`)
|
|
|
|
err := v.MergeInConfig()
|
|
assert.Equal(t, reflect.TypeOf(ConfigFileNotFoundError{"", ""}), reflect.TypeOf(err))
|
|
|
|
// Even though config did not load and the error might have
|
|
// been ignored by the client, the default still loads
|
|
assert.Equal(t, `default`, v.GetString(`key`))
|
|
}
|
|
|
|
func TestSub(t *testing.T) {
|
|
v := New()
|
|
v.SetConfigType("yaml")
|
|
v.ReadConfig(bytes.NewBuffer(yamlExample))
|
|
|
|
subv := v.Sub("clothing")
|
|
assert.Equal(t, v.Get("clothing.pants.size"), subv.Get("pants.size"))
|
|
|
|
subv = v.Sub("clothing.pants")
|
|
assert.Equal(t, v.Get("clothing.pants.size"), subv.Get("size"))
|
|
|
|
subv = v.Sub("clothing.pants.size")
|
|
assert.Equal(t, (*Viper)(nil), subv)
|
|
|
|
subv = v.Sub("missing.key")
|
|
assert.Equal(t, (*Viper)(nil), subv)
|
|
}
|
|
|
|
var hclWriteExpected = []byte(`"foos" = {
|
|
"foo" = {
|
|
"key" = 1
|
|
}
|
|
|
|
"foo" = {
|
|
"key" = 2
|
|
}
|
|
|
|
"foo" = {
|
|
"key" = 3
|
|
}
|
|
|
|
"foo" = {
|
|
"key" = 4
|
|
}
|
|
}
|
|
|
|
"id" = "0001"
|
|
|
|
"name" = "Cake"
|
|
|
|
"ppu" = 0.55
|
|
|
|
"type" = "donut"`)
|
|
|
|
func TestWriteConfigHCL(t *testing.T) {
|
|
v := New()
|
|
fs := afero.NewMemMapFs()
|
|
v.SetFs(fs)
|
|
v.SetConfigName("c")
|
|
v.SetConfigType("hcl")
|
|
err := v.ReadConfig(bytes.NewBuffer(hclExample))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := v.WriteConfigAs("c.hcl"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
read, err := afero.ReadFile(fs, "c.hcl")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
assert.Equal(t, hclWriteExpected, read)
|
|
}
|
|
|
|
var jsonWriteExpected = []byte(`{
|
|
"batters": {
|
|
"batter": [
|
|
{
|
|
"type": "Regular"
|
|
},
|
|
{
|
|
"type": "Chocolate"
|
|
},
|
|
{
|
|
"type": "Blueberry"
|
|
},
|
|
{
|
|
"type": "Devil's Food"
|
|
}
|
|
]
|
|
},
|
|
"id": "0001",
|
|
"name": "Cake",
|
|
"ppu": 0.55,
|
|
"type": "donut"
|
|
}`)
|
|
|
|
func TestWriteConfigJson(t *testing.T) {
|
|
v := New()
|
|
fs := afero.NewMemMapFs()
|
|
v.SetFs(fs)
|
|
v.SetConfigName("c")
|
|
v.SetConfigType("json")
|
|
err := v.ReadConfig(bytes.NewBuffer(jsonExample))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := v.WriteConfigAs("c.json"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
read, err := afero.ReadFile(fs, "c.json")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
assert.Equal(t, jsonWriteExpected, read)
|
|
}
|
|
|
|
var propertiesWriteExpected = []byte(`p_id = 0001
|
|
p_type = donut
|
|
p_name = Cake
|
|
p_ppu = 0.55
|
|
p_batters.batter.type = Regular
|
|
`)
|
|
|
|
func TestWriteConfigProperties(t *testing.T) {
|
|
v := New()
|
|
fs := afero.NewMemMapFs()
|
|
v.SetFs(fs)
|
|
v.SetConfigName("c")
|
|
v.SetConfigType("properties")
|
|
err := v.ReadConfig(bytes.NewBuffer(propertiesExample))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := v.WriteConfigAs("c.properties"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
read, err := afero.ReadFile(fs, "c.properties")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
assert.Equal(t, propertiesWriteExpected, read)
|
|
}
|
|
|
|
func TestWriteConfigTOML(t *testing.T) {
|
|
fs := afero.NewMemMapFs()
|
|
v := New()
|
|
v.SetFs(fs)
|
|
v.SetConfigName("c")
|
|
v.SetConfigType("toml")
|
|
err := v.ReadConfig(bytes.NewBuffer(tomlExample))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := v.WriteConfigAs("c.toml"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// The TOML String method does not order the contents.
|
|
// Therefore, we must read the generated file and compare the data.
|
|
v2 := New()
|
|
v2.SetFs(fs)
|
|
v2.SetConfigName("c")
|
|
v2.SetConfigType("toml")
|
|
v2.SetConfigFile("c.toml")
|
|
err = v2.ReadInConfig()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
assert.Equal(t, v.GetString("title"), v2.GetString("title"))
|
|
assert.Equal(t, v.GetString("owner.bio"), v2.GetString("owner.bio"))
|
|
assert.Equal(t, v.GetString("owner.dob"), v2.GetString("owner.dob"))
|
|
assert.Equal(t, v.GetString("owner.organization"), v2.GetString("owner.organization"))
|
|
}
|
|
|
|
var yamlWriteExpected = []byte(`age: 35
|
|
beard: true
|
|
clothing:
|
|
jacket: leather
|
|
pants:
|
|
size: large
|
|
trousers: denim
|
|
eyes: brown
|
|
hacker: true
|
|
hobbies:
|
|
- skateboarding
|
|
- snowboarding
|
|
- go
|
|
name: steve
|
|
`)
|
|
|
|
func TestWriteConfigYAML(t *testing.T) {
|
|
v := New()
|
|
fs := afero.NewMemMapFs()
|
|
v.SetFs(fs)
|
|
v.SetConfigName("c")
|
|
v.SetConfigType("yaml")
|
|
err := v.ReadConfig(bytes.NewBuffer(yamlExample))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := v.WriteConfigAs("c.yaml"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
read, err := afero.ReadFile(fs, "c.yaml")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
assert.Equal(t, yamlWriteExpected, read)
|
|
}
|
|
|
|
var yamlMergeExampleTgt = []byte(`
|
|
hello:
|
|
pop: 37890
|
|
lagrenum: 765432101234567
|
|
world:
|
|
- us
|
|
- uk
|
|
- fr
|
|
- de
|
|
`)
|
|
|
|
var yamlMergeExampleSrc = []byte(`
|
|
hello:
|
|
pop: 45000
|
|
lagrenum: 7654321001234567
|
|
universe:
|
|
- mw
|
|
- ad
|
|
fu: bar
|
|
`)
|
|
|
|
func TestMergeConfig(t *testing.T) {
|
|
v := New()
|
|
v.SetConfigType("yml")
|
|
if err := v.ReadConfig(bytes.NewBuffer(yamlMergeExampleTgt)); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if pop := v.GetInt("hello.pop"); pop != 37890 {
|
|
t.Fatalf("pop != 37890, = %d", pop)
|
|
}
|
|
|
|
if pop := v.GetInt32("hello.pop"); pop != int32(37890) {
|
|
t.Fatalf("pop != 37890, = %d", pop)
|
|
}
|
|
|
|
if pop := v.GetInt64("hello.lagrenum"); pop != int64(765432101234567) {
|
|
t.Fatalf("int64 lagrenum != 765432101234567, = %d", pop)
|
|
}
|
|
|
|
if world := v.GetStringSlice("hello.world"); len(world) != 4 {
|
|
t.Fatalf("len(world) != 4, = %d", len(world))
|
|
}
|
|
|
|
if fu := v.GetString("fu"); fu != "" {
|
|
t.Fatalf("fu != \"\", = %s", fu)
|
|
}
|
|
|
|
if err := v.MergeConfig(bytes.NewBuffer(yamlMergeExampleSrc)); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if pop := v.GetInt("hello.pop"); pop != 45000 {
|
|
t.Fatalf("pop != 45000, = %d", pop)
|
|
}
|
|
|
|
if pop := v.GetInt32("hello.pop"); pop != int32(45000) {
|
|
t.Fatalf("pop != 45000, = %d", pop)
|
|
}
|
|
|
|
if pop := v.GetInt64("hello.lagrenum"); pop != int64(7654321001234567) {
|
|
t.Fatalf("int64 lagrenum != 7654321001234567, = %d", pop)
|
|
}
|
|
|
|
if world := v.GetStringSlice("hello.world"); len(world) != 4 {
|
|
t.Fatalf("len(world) != 4, = %d", len(world))
|
|
}
|
|
|
|
if universe := v.GetStringSlice("hello.universe"); len(universe) != 2 {
|
|
t.Fatalf("len(universe) != 2, = %d", len(universe))
|
|
}
|
|
|
|
if fu := v.GetString("fu"); fu != "bar" {
|
|
t.Fatalf("fu != \"bar\", = %s", fu)
|
|
}
|
|
}
|
|
|
|
func TestMergeConfigNoMerge(t *testing.T) {
|
|
v := New()
|
|
v.SetConfigType("yml")
|
|
if err := v.ReadConfig(bytes.NewBuffer(yamlMergeExampleTgt)); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if pop := v.GetInt("hello.pop"); pop != 37890 {
|
|
t.Fatalf("pop != 37890, = %d", pop)
|
|
}
|
|
|
|
if world := v.GetStringSlice("hello.world"); len(world) != 4 {
|
|
t.Fatalf("len(world) != 4, = %d", len(world))
|
|
}
|
|
|
|
if fu := v.GetString("fu"); fu != "" {
|
|
t.Fatalf("fu != \"\", = %s", fu)
|
|
}
|
|
|
|
if err := v.ReadConfig(bytes.NewBuffer(yamlMergeExampleSrc)); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if pop := v.GetInt("hello.pop"); pop != 45000 {
|
|
t.Fatalf("pop != 45000, = %d", pop)
|
|
}
|
|
|
|
if world := v.GetStringSlice("hello.world"); len(world) != 0 {
|
|
t.Fatalf("len(world) != 0, = %d", len(world))
|
|
}
|
|
|
|
if universe := v.GetStringSlice("hello.universe"); len(universe) != 2 {
|
|
t.Fatalf("len(universe) != 2, = %d", len(universe))
|
|
}
|
|
|
|
if fu := v.GetString("fu"); fu != "bar" {
|
|
t.Fatalf("fu != \"bar\", = %s", fu)
|
|
}
|
|
}
|
|
|
|
func TestMergeConfigMap(t *testing.T) {
|
|
v := New()
|
|
v.SetConfigType("yml")
|
|
if err := v.ReadConfig(bytes.NewBuffer(yamlMergeExampleTgt)); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
assert := func(i int) {
|
|
large := v.GetInt("hello.lagrenum")
|
|
pop := v.GetInt("hello.pop")
|
|
if large != 765432101234567 {
|
|
t.Fatal("Got large num:", large)
|
|
}
|
|
|
|
if pop != i {
|
|
t.Fatal("Got pop:", pop)
|
|
}
|
|
}
|
|
|
|
assert(37890)
|
|
|
|
update := map[string]interface{}{
|
|
"Hello": map[string]interface{}{
|
|
"Pop": 1234,
|
|
},
|
|
"World": map[interface{}]interface{}{
|
|
"Rock": 345,
|
|
},
|
|
}
|
|
|
|
if err := v.MergeConfigMap(update); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if rock := v.GetInt("world.rock"); rock != 345 {
|
|
t.Fatal("Got rock:", rock)
|
|
}
|
|
|
|
assert(1234)
|
|
|
|
}
|
|
|
|
func TestUnmarshalingWithAliases(t *testing.T) {
|
|
v := New()
|
|
v.SetDefault("ID", 1)
|
|
v.Set("name", "Steve")
|
|
v.Set("lastname", "Owen")
|
|
|
|
v.RegisterAlias("UserID", "ID")
|
|
v.RegisterAlias("Firstname", "name")
|
|
v.RegisterAlias("Surname", "lastname")
|
|
|
|
type config struct {
|
|
ID int
|
|
FirstName string
|
|
Surname string
|
|
}
|
|
|
|
var C config
|
|
err := v.Unmarshal(&C)
|
|
if err != nil {
|
|
t.Fatalf("unable to decode into struct, %v", err)
|
|
}
|
|
|
|
assert.Equal(t, &config{ID: 1, FirstName: "Steve", Surname: "Owen"}, &C)
|
|
}
|
|
|
|
func TestSetConfigNameClearsFileCache(t *testing.T) {
|
|
SetConfigFile("/tmp/config.yaml")
|
|
SetConfigName("default")
|
|
f, err := v.getConfigFile()
|
|
if err == nil {
|
|
t.Fatalf("config file cache should have been cleared")
|
|
}
|
|
assert.Empty(t, f)
|
|
}
|
|
|
|
func TestShadowedNestedValue(t *testing.T) {
|
|
|
|
config := `name: steve
|
|
clothing:
|
|
jacket: leather
|
|
trousers: denim
|
|
pants:
|
|
size: large
|
|
`
|
|
initConfig("yaml", config)
|
|
|
|
assert.Equal(t, "steve", GetString("name"))
|
|
|
|
polyester := "polyester"
|
|
SetDefault("clothing.shirt", polyester)
|
|
SetDefault("clothing.jacket.price", 100)
|
|
|
|
assert.Equal(t, "leather", GetString("clothing.jacket"))
|
|
assert.Nil(t, Get("clothing.jacket.price"))
|
|
assert.Equal(t, polyester, GetString("clothing.shirt"))
|
|
|
|
clothingSettings := AllSettings()["clothing"].(map[string]interface{})
|
|
assert.Equal(t, "leather", clothingSettings["jacket"])
|
|
assert.Equal(t, polyester, clothingSettings["shirt"])
|
|
}
|
|
|
|
func TestDotParameter(t *testing.T) {
|
|
initJSON()
|
|
// shoud take precedence over batters defined in jsonExample
|
|
r := bytes.NewReader([]byte(`{ "batters.batter": [ { "type": "Small" } ] }`))
|
|
unmarshalReader(r, v.config)
|
|
|
|
actual := Get("batters.batter")
|
|
expected := []interface{}{map[string]interface{}{"type": "Small"}}
|
|
assert.Equal(t, expected, actual)
|
|
}
|
|
|
|
func TestCaseInsensitive(t *testing.T) {
|
|
for _, config := range []struct {
|
|
typ string
|
|
content string
|
|
}{
|
|
{"yaml", `
|
|
aBcD: 1
|
|
eF:
|
|
gH: 2
|
|
iJk: 3
|
|
Lm:
|
|
nO: 4
|
|
P:
|
|
Q: 5
|
|
R: 6
|
|
`},
|
|
{"json", `{
|
|
"aBcD": 1,
|
|
"eF": {
|
|
"iJk": 3,
|
|
"Lm": {
|
|
"P": {
|
|
"Q": 5,
|
|
"R": 6
|
|
},
|
|
"nO": 4
|
|
},
|
|
"gH": 2
|
|
}
|
|
}`},
|
|
{"toml", `aBcD = 1
|
|
[eF]
|
|
gH = 2
|
|
iJk = 3
|
|
[eF.Lm]
|
|
nO = 4
|
|
[eF.Lm.P]
|
|
Q = 5
|
|
R = 6
|
|
`},
|
|
} {
|
|
doTestCaseInsensitive(t, config.typ, config.content)
|
|
}
|
|
}
|
|
|
|
func TestCaseSensitive(t *testing.T) {
|
|
for _, config := range []struct {
|
|
typ string
|
|
content string
|
|
}{
|
|
{"yaml", `
|
|
aBcD: 1
|
|
eF:
|
|
gH: 2
|
|
iJk: 3
|
|
Lm:
|
|
nO: 4
|
|
P:
|
|
Q: 5
|
|
R: 6
|
|
`},
|
|
{"json", `{
|
|
"aBcD": 1,
|
|
"eF": {
|
|
"iJk": 3,
|
|
"Lm": {
|
|
"P": {
|
|
"Q": 5,
|
|
"R": 6
|
|
},
|
|
"nO": 4
|
|
},
|
|
"gH": 2
|
|
}
|
|
}`},
|
|
{"toml", `aBcD = 1
|
|
[eF]
|
|
gH = 2
|
|
iJk = 3
|
|
[eF.Lm]
|
|
nO = 4
|
|
[eF.Lm.P]
|
|
Q = 5
|
|
R = 6
|
|
`},
|
|
} {
|
|
doTestCaseSensitive(t, config.typ, config.content)
|
|
}
|
|
}
|
|
|
|
func TestCaseInsensitiveSet(t *testing.T) {
|
|
Reset()
|
|
m1 := map[string]interface{}{
|
|
"Foo": 32,
|
|
"Bar": map[interface{}]interface {
|
|
}{
|
|
"ABc": "A",
|
|
"cDE": "B"},
|
|
}
|
|
|
|
m2 := map[string]interface{}{
|
|
"Foo": 52,
|
|
"Bar": map[interface{}]interface {
|
|
}{
|
|
"bCd": "A",
|
|
"eFG": "B"},
|
|
}
|
|
|
|
Set("Given1", m1)
|
|
Set("Number1", 42)
|
|
|
|
SetDefault("Given2", m2)
|
|
SetDefault("Number2", 52)
|
|
|
|
// Verify SetDefault
|
|
if v := Get("number2"); v != 52 {
|
|
t.Fatalf("Expected 52 got %q", v)
|
|
}
|
|
|
|
if v := Get("given2.foo"); v != 52 {
|
|
t.Fatalf("Expected 52 got %q", v)
|
|
}
|
|
|
|
if v := Get("given2.bar.bcd"); v != "A" {
|
|
t.Fatalf("Expected A got %q", v)
|
|
}
|
|
|
|
if _, ok := m2["Foo"]; !ok {
|
|
t.Fatal("Input map changed")
|
|
}
|
|
|
|
// Verify Set
|
|
if v := Get("number1"); v != 42 {
|
|
t.Fatalf("Expected 42 got %q", v)
|
|
}
|
|
|
|
if v := Get("given1.foo"); v != 32 {
|
|
t.Fatalf("Expected 32 got %q", v)
|
|
}
|
|
|
|
if v := Get("given1.bar.abc"); v != "A" {
|
|
t.Fatalf("Expected A got %q", v)
|
|
}
|
|
|
|
if _, ok := m1["Foo"]; !ok {
|
|
t.Fatal("Input map changed")
|
|
}
|
|
}
|
|
|
|
func TestParseNested(t *testing.T) {
|
|
type duration struct {
|
|
Delay time.Duration
|
|
}
|
|
|
|
type item struct {
|
|
Name string
|
|
Delay time.Duration
|
|
Nested duration
|
|
}
|
|
|
|
config := `[[parent]]
|
|
delay="100ms"
|
|
[parent.nested]
|
|
delay="200ms"
|
|
`
|
|
initConfig("toml", config)
|
|
|
|
var items []item
|
|
err := v.UnmarshalKey("parent", &items)
|
|
if err != nil {
|
|
t.Fatalf("unable to decode into struct, %v", err)
|
|
}
|
|
|
|
assert.Equal(t, 1, len(items))
|
|
assert.Equal(t, 100*time.Millisecond, items[0].Delay)
|
|
assert.Equal(t, 200*time.Millisecond, items[0].Nested.Delay)
|
|
}
|
|
|
|
func doTestCaseInsensitive(t *testing.T, typ, config string) {
|
|
initConfig(typ, config)
|
|
Set("RfD", true)
|
|
assert.Equal(t, true, Get("rfd"))
|
|
assert.Equal(t, true, Get("rFD"))
|
|
assert.Equal(t, 1, cast.ToInt(Get("abcd")))
|
|
assert.Equal(t, 1, cast.ToInt(Get("Abcd")))
|
|
assert.Equal(t, 2, cast.ToInt(Get("ef.gh")))
|
|
assert.Equal(t, 3, cast.ToInt(Get("ef.ijk")))
|
|
assert.Equal(t, 4, cast.ToInt(Get("ef.lm.no")))
|
|
assert.Equal(t, 5, cast.ToInt(Get("ef.lm.p.q")))
|
|
}
|
|
|
|
func doTestCaseSensitive(t *testing.T, typ, config string) {
|
|
Reset()
|
|
SetConfigType(typ)
|
|
|
|
// Turn on case sensitivy.
|
|
SetKeysCaseSensitive(true)
|
|
r := strings.NewReader(config)
|
|
if err := unmarshalReader(r, v.config); err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
Set("RfD", true)
|
|
assert.Equal(t, nil, Get("rfd"))
|
|
assert.Equal(t, true, Get("RfD"))
|
|
assert.Equal(t, 0, cast.ToInt(Get("abcd")))
|
|
assert.Equal(t, 1, cast.ToInt(Get("aBcD")))
|
|
assert.Equal(t, 0, cast.ToInt(Get("ef.gh")))
|
|
assert.Equal(t, 2, cast.ToInt(Get("eF.gH")))
|
|
assert.Equal(t, 0, cast.ToInt(Get("ef.ijk")))
|
|
assert.Equal(t, 3, cast.ToInt(Get("eF.iJk")))
|
|
assert.Equal(t, 0, cast.ToInt(Get("ef.lm.no")))
|
|
assert.Equal(t, 4, cast.ToInt(Get("eF.Lm.nO")))
|
|
assert.Equal(t, 0, cast.ToInt(Get("ef.lm.p.q")))
|
|
assert.Equal(t, 5, cast.ToInt(Get("eF.Lm.P.Q")))
|
|
|
|
}
|
|
|
|
func newViperWithConfigFile(t *testing.T) (*Viper, string, func()) {
|
|
watchDir, err := ioutil.TempDir("", "")
|
|
require.Nil(t, err)
|
|
configFile := path.Join(watchDir, "config.yaml")
|
|
err = ioutil.WriteFile(configFile, []byte("foo: bar\n"), 0640)
|
|
require.Nil(t, err)
|
|
cleanup := func() {
|
|
os.RemoveAll(watchDir)
|
|
}
|
|
v := New()
|
|
v.SetConfigFile(configFile)
|
|
err = v.ReadInConfig()
|
|
require.Nil(t, err)
|
|
require.Equal(t, "bar", v.Get("foo"))
|
|
return v, configFile, cleanup
|
|
}
|
|
|
|
func newViperWithSymlinkedConfigFile(t *testing.T) (*Viper, string, string, func()) {
|
|
watchDir, err := ioutil.TempDir("", "")
|
|
require.Nil(t, err)
|
|
dataDir1 := path.Join(watchDir, "data1")
|
|
err = os.Mkdir(dataDir1, 0777)
|
|
require.Nil(t, err)
|
|
realConfigFile := path.Join(dataDir1, "config.yaml")
|
|
t.Logf("Real config file location: %s\n", realConfigFile)
|
|
err = ioutil.WriteFile(realConfigFile, []byte("foo: bar\n"), 0640)
|
|
require.Nil(t, err)
|
|
cleanup := func() {
|
|
os.RemoveAll(watchDir)
|
|
}
|
|
// now, symlink the tm `data1` dir to `data` in the baseDir
|
|
os.Symlink(dataDir1, path.Join(watchDir, "data"))
|
|
// and link the `<watchdir>/datadir1/config.yaml` to `<watchdir>/config.yaml`
|
|
configFile := path.Join(watchDir, "config.yaml")
|
|
os.Symlink(path.Join(watchDir, "data", "config.yaml"), configFile)
|
|
t.Logf("Config file location: %s\n", path.Join(watchDir, "config.yaml"))
|
|
// init Viper
|
|
v := New()
|
|
v.SetConfigFile(configFile)
|
|
err = v.ReadInConfig()
|
|
require.Nil(t, err)
|
|
require.Equal(t, "bar", v.Get("foo"))
|
|
return v, watchDir, configFile, cleanup
|
|
}
|
|
|
|
func TestWatchFile(t *testing.T) {
|
|
if runtime.GOOS == "linux" {
|
|
// TODO(bep) FIX ME
|
|
t.Skip("Skip test on Linux ...")
|
|
}
|
|
|
|
t.Run("file content changed", func(t *testing.T) {
|
|
// given a `config.yaml` file being watched
|
|
v, configFile, cleanup := newViperWithConfigFile(t)
|
|
defer cleanup()
|
|
_, err := os.Stat(configFile)
|
|
require.NoError(t, err)
|
|
t.Logf("test config file: %s\n", configFile)
|
|
wg := sync.WaitGroup{}
|
|
wg.Add(1)
|
|
v.OnConfigChange(func(in fsnotify.Event) {
|
|
t.Logf("config file changed")
|
|
wg.Done()
|
|
})
|
|
v.WatchConfig()
|
|
// when overwriting the file and waiting for the custom change notification handler to be triggered
|
|
err = ioutil.WriteFile(configFile, []byte("foo: baz\n"), 0640)
|
|
wg.Wait()
|
|
// then the config value should have changed
|
|
require.Nil(t, err)
|
|
assert.Equal(t, "baz", v.Get("foo"))
|
|
})
|
|
|
|
t.Run("link to real file changed (à la Kubernetes)", func(t *testing.T) {
|
|
// skip if not executed on Linux
|
|
if runtime.GOOS != "linux" {
|
|
t.Skipf("Skipping test as symlink replacements don't work on non-linux environment...")
|
|
}
|
|
v, watchDir, _, _ := newViperWithSymlinkedConfigFile(t)
|
|
// defer cleanup()
|
|
wg := sync.WaitGroup{}
|
|
v.WatchConfig()
|
|
v.OnConfigChange(func(in fsnotify.Event) {
|
|
t.Logf("config file changed")
|
|
wg.Done()
|
|
})
|
|
wg.Add(1)
|
|
// when link to another `config.yaml` file
|
|
dataDir2 := path.Join(watchDir, "data2")
|
|
err := os.Mkdir(dataDir2, 0777)
|
|
require.Nil(t, err)
|
|
configFile2 := path.Join(dataDir2, "config.yaml")
|
|
err = ioutil.WriteFile(configFile2, []byte("foo: baz\n"), 0640)
|
|
require.Nil(t, err)
|
|
// change the symlink using the `ln -sfn` command
|
|
err = exec.Command("ln", "-sfn", dataDir2, path.Join(watchDir, "data")).Run()
|
|
require.Nil(t, err)
|
|
wg.Wait()
|
|
// then
|
|
require.Nil(t, err)
|
|
assert.Equal(t, "baz", v.Get("foo"))
|
|
})
|
|
|
|
}
|
|
|
|
func BenchmarkGetBool(b *testing.B) {
|
|
key := "BenchmarkGetBool"
|
|
v = New()
|
|
v.Set(key, true)
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
if !v.GetBool(key) {
|
|
b.Fatal("GetBool returned false")
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkGet(b *testing.B) {
|
|
key := "BenchmarkGet"
|
|
v = New()
|
|
v.Set(key, true)
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
if !v.Get(key).(bool) {
|
|
b.Fatal("Get returned false")
|
|
}
|
|
}
|
|
}
|
|
|
|
// This is the "perfect result" for the above.
|
|
func BenchmarkGetBoolFromMap(b *testing.B) {
|
|
m := make(map[string]bool)
|
|
key := "BenchmarkGetBool"
|
|
m[key] = true
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
if !m[key] {
|
|
b.Fatal("Map value was false")
|
|
}
|
|
}
|
|
}
|