mirror of https://github.com/spf13/viper.git
886 lines
19 KiB
Go
886 lines
19 KiB
Go
// Copyright © 2014 Steve Francia <spf@spf13.com>.
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//
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// Use of this source code is governed by an MIT-style
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// license that can be found in the LICENSE file.
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package viper
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"path"
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"reflect"
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"sort"
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"strings"
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"testing"
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"time"
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"github.com/spf13/pflag"
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"github.com/stretchr/testify/assert"
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)
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var yamlExample = []byte(`Hacker: true
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name: steve
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hobbies:
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- skateboarding
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- snowboarding
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- go
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clothing:
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jacket: leather
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trousers: denim
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pants:
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size: large
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age: 35
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eyes : brown
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beard: true
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`)
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var yamlExampleWithExtras = []byte(`Existing: true
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Bogus: true
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`)
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type testUnmarshalExtra struct {
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Existing bool
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}
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var tomlExample = []byte(`
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title = "TOML Example"
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[owner]
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organization = "MongoDB"
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Bio = "MongoDB Chief Developer Advocate & Hacker at Large"
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dob = 1979-05-27T07:32:00Z # First class dates? Why not?`)
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var jsonExample = []byte(`{
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"id": "0001",
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"type": "donut",
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"name": "Cake",
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"ppu": 0.55,
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"batters": {
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"batter": [
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{ "type": "Regular" },
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{ "type": "Chocolate" },
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{ "type": "Blueberry" },
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{ "type": "Devil's Food" }
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]
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}
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}`)
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var hclExample = []byte(`
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id = "0001"
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type = "donut"
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name = "Cake"
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ppu = 0.55
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foos {
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foo {
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key = 1
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}
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foo {
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key = 2
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}
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foo {
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key = 3
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}
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foo {
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key = 4
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}
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}`)
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var propertiesExample = []byte(`
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p_id: 0001
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p_type: donut
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p_name: Cake
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p_ppu: 0.55
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p_batters.batter.type: Regular
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`)
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var remoteExample = []byte(`{
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"id":"0002",
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"type":"cronut",
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"newkey":"remote"
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}`)
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func initConfigs() {
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Reset()
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SetConfigType("yaml")
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r := bytes.NewReader(yamlExample)
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unmarshalReader(r, v.config)
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SetConfigType("json")
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r = bytes.NewReader(jsonExample)
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unmarshalReader(r, v.config)
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SetConfigType("hcl")
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r = bytes.NewReader(hclExample)
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unmarshalReader(r, v.config)
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SetConfigType("properties")
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r = bytes.NewReader(propertiesExample)
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unmarshalReader(r, v.config)
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SetConfigType("toml")
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r = bytes.NewReader(tomlExample)
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unmarshalReader(r, v.config)
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SetConfigType("json")
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remote := bytes.NewReader(remoteExample)
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unmarshalReader(remote, v.kvstore)
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}
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func initYAML() {
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Reset()
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SetConfigType("yaml")
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r := bytes.NewReader(yamlExample)
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unmarshalReader(r, v.config)
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}
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func initJSON() {
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Reset()
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SetConfigType("json")
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r := bytes.NewReader(jsonExample)
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unmarshalReader(r, v.config)
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}
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func initProperties() {
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Reset()
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SetConfigType("properties")
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r := bytes.NewReader(propertiesExample)
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unmarshalReader(r, v.config)
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}
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func initTOML() {
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Reset()
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SetConfigType("toml")
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r := bytes.NewReader(tomlExample)
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unmarshalReader(r, v.config)
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}
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func initHcl() {
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Reset()
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SetConfigType("hcl")
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r := bytes.NewReader(hclExample)
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unmarshalReader(r, v.config)
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}
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// make directories for testing
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func initDirs(t *testing.T) (string, string, func()) {
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var (
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testDirs = []string{`a a`, `b`, `c\c`, `D_`}
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config = `improbable`
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)
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root, err := ioutil.TempDir("", "")
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cleanup := true
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defer func() {
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if cleanup {
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os.Chdir("..")
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os.RemoveAll(root)
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}
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}()
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assert.Nil(t, err)
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err = os.Chdir(root)
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assert.Nil(t, err)
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for _, dir := range testDirs {
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err = os.Mkdir(dir, 0750)
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assert.Nil(t, err)
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err = ioutil.WriteFile(
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path.Join(dir, config+".toml"),
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[]byte("key = \"value is "+dir+"\"\n"),
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0640)
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assert.Nil(t, err)
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}
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cleanup = false
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return root, config, func() {
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os.Chdir("..")
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os.RemoveAll(root)
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}
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}
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//stubs for PFlag Values
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type stringValue string
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func newStringValue(val string, p *string) *stringValue {
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*p = val
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return (*stringValue)(p)
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}
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func (s *stringValue) Set(val string) error {
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*s = stringValue(val)
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return nil
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}
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func (s *stringValue) Type() string {
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return "string"
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}
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func (s *stringValue) String() string {
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return fmt.Sprintf("%s", *s)
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}
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func TestBasics(t *testing.T) {
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SetConfigFile("/tmp/config.yaml")
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assert.Equal(t, "/tmp/config.yaml", v.getConfigFile())
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}
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func TestDefault(t *testing.T) {
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SetDefault("age", 45)
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assert.Equal(t, 45, Get("age"))
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SetDefault("clothing.jacket", "slacks")
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assert.Equal(t, "slacks", Get("clothing.jacket"))
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SetConfigType("yaml")
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err := ReadConfig(bytes.NewBuffer(yamlExample))
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assert.NoError(t, err)
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assert.Equal(t, "leather", Get("clothing.jacket"))
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}
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func TestUnmarshalling(t *testing.T) {
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SetConfigType("yaml")
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r := bytes.NewReader(yamlExample)
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unmarshalReader(r, v.config)
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assert.True(t, InConfig("name"))
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assert.False(t, InConfig("state"))
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assert.Equal(t, "steve", Get("name"))
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assert.Equal(t, []interface{}{"skateboarding", "snowboarding", "go"}, Get("hobbies"))
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assert.Equal(t, map[interface{}]interface{}{"jacket": "leather", "trousers": "denim", "pants": map[interface{}]interface{}{"size": "large"}}, Get("clothing"))
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assert.Equal(t, 35, Get("age"))
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}
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func TestUnmarshalExact(t *testing.T) {
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vip := New()
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target := &testUnmarshalExtra{}
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vip.SetConfigType("yaml")
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r := bytes.NewReader(yamlExampleWithExtras)
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vip.ReadConfig(r)
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err := vip.UnmarshalExact(target)
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if err == nil {
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t.Fatal("UnmarshalExact should error when populating a struct from a conf that contains unused fields")
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}
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}
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func TestOverrides(t *testing.T) {
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Set("age", 40)
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assert.Equal(t, 40, Get("age"))
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}
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func TestDefaultPost(t *testing.T) {
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assert.NotEqual(t, "NYC", Get("state"))
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SetDefault("state", "NYC")
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assert.Equal(t, "NYC", Get("state"))
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}
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func TestAliases(t *testing.T) {
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RegisterAlias("years", "age")
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assert.Equal(t, 40, Get("years"))
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Set("years", 45)
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assert.Equal(t, 45, Get("age"))
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}
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func TestAliasInConfigFile(t *testing.T) {
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// the config file specifies "beard". If we make this an alias for
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// "hasbeard", we still want the old config file to work with beard.
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RegisterAlias("beard", "hasbeard")
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assert.Equal(t, true, Get("hasbeard"))
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Set("hasbeard", false)
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assert.Equal(t, false, Get("beard"))
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}
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func TestYML(t *testing.T) {
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initYAML()
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assert.Equal(t, "steve", Get("name"))
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}
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func TestJSON(t *testing.T) {
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initJSON()
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assert.Equal(t, "0001", Get("id"))
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}
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func TestProperties(t *testing.T) {
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initProperties()
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assert.Equal(t, "0001", Get("p_id"))
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}
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func TestTOML(t *testing.T) {
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initTOML()
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assert.Equal(t, "TOML Example", Get("title"))
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}
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func TestHCL(t *testing.T) {
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initHcl()
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assert.Equal(t, "0001", Get("id"))
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assert.Equal(t, 0.55, Get("ppu"))
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assert.Equal(t, "donut", Get("type"))
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assert.Equal(t, "Cake", Get("name"))
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Set("id", "0002")
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assert.Equal(t, "0002", Get("id"))
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assert.NotEqual(t, "cronut", Get("type"))
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}
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func TestRemotePrecedence(t *testing.T) {
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initJSON()
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remote := bytes.NewReader(remoteExample)
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assert.Equal(t, "0001", Get("id"))
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unmarshalReader(remote, v.kvstore)
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assert.Equal(t, "0001", Get("id"))
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assert.NotEqual(t, "cronut", Get("type"))
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assert.Equal(t, "remote", Get("newkey"))
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Set("newkey", "newvalue")
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assert.NotEqual(t, "remote", Get("newkey"))
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assert.Equal(t, "newvalue", Get("newkey"))
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Set("newkey", "remote")
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}
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func TestEnv(t *testing.T) {
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initJSON()
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BindEnv("id")
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BindEnv("f", "FOOD")
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os.Setenv("ID", "13")
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os.Setenv("FOOD", "apple")
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os.Setenv("NAME", "crunk")
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assert.Equal(t, "13", Get("id"))
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assert.Equal(t, "apple", Get("f"))
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assert.Equal(t, "Cake", Get("name"))
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AutomaticEnv()
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assert.Equal(t, "crunk", Get("name"))
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}
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func TestEnvPrefix(t *testing.T) {
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initJSON()
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SetEnvPrefix("foo") // will be uppercased automatically
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BindEnv("id")
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BindEnv("f", "FOOD") // not using prefix
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os.Setenv("FOO_ID", "13")
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os.Setenv("FOOD", "apple")
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os.Setenv("FOO_NAME", "crunk")
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assert.Equal(t, "13", Get("id"))
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assert.Equal(t, "apple", Get("f"))
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assert.Equal(t, "Cake", Get("name"))
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AutomaticEnv()
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assert.Equal(t, "crunk", Get("name"))
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}
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func TestAutoEnv(t *testing.T) {
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Reset()
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AutomaticEnv()
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os.Setenv("FOO_BAR", "13")
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assert.Equal(t, "13", Get("foo_bar"))
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}
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func TestAutoEnvWithPrefix(t *testing.T) {
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Reset()
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AutomaticEnv()
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SetEnvPrefix("Baz")
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os.Setenv("BAZ_BAR", "13")
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assert.Equal(t, "13", Get("bar"))
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}
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func TestSetEnvReplacer(t *testing.T) {
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Reset()
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AutomaticEnv()
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os.Setenv("REFRESH_INTERVAL", "30s")
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replacer := strings.NewReplacer("-", "_")
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SetEnvKeyReplacer(replacer)
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assert.Equal(t, "30s", Get("refresh-interval"))
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}
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func TestAllKeys(t *testing.T) {
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initConfigs()
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ks := sort.StringSlice{"title", "newkey", "owner", "name", "beard", "ppu", "batters", "hobbies", "clothing", "age", "hacker", "id", "type", "eyes", "p_id", "p_ppu", "p_batters.batter.type", "p_type", "p_name", "foos"}
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dob, _ := time.Parse(time.RFC3339, "1979-05-27T07:32:00Z")
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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[interface{}]interface{}{"trousers": "denim", "jacket": "leather", "pants": map[interface{}]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.batter.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}}}}}
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var allkeys sort.StringSlice
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allkeys = AllKeys()
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allkeys.Sort()
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ks.Sort()
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assert.Equal(t, ks, allkeys)
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assert.Equal(t, all, AllSettings())
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}
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func TestCaseInSensitive(t *testing.T) {
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assert.Equal(t, true, Get("hacker"))
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Set("Title", "Checking Case")
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assert.Equal(t, "Checking Case", Get("tItle"))
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}
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func TestAliasesOfAliases(t *testing.T) {
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RegisterAlias("Foo", "Bar")
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RegisterAlias("Bar", "Title")
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assert.Equal(t, "Checking Case", Get("FOO"))
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}
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func TestRecursiveAliases(t *testing.T) {
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RegisterAlias("Baz", "Roo")
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RegisterAlias("Roo", "baz")
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}
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func TestUnmarshal(t *testing.T) {
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SetDefault("port", 1313)
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Set("name", "Steve")
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type config struct {
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Port int
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Name string
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}
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var C config
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err := Unmarshal(&C)
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if err != nil {
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t.Fatalf("unable to decode into struct, %v", err)
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}
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assert.Equal(t, &C, &config{Name: "Steve", Port: 1313})
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Set("port", 1234)
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err = Unmarshal(&C)
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if err != nil {
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t.Fatalf("unable to decode into struct, %v", err)
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}
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assert.Equal(t, &C, &config{Name: "Steve", Port: 1234})
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}
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func TestBindPFlags(t *testing.T) {
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flagSet := pflag.NewFlagSet("test", pflag.ContinueOnError)
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var testValues = map[string]*string{
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"host": nil,
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"port": nil,
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"endpoint": nil,
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}
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var mutatedTestValues = map[string]string{
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"host": "localhost",
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"port": "6060",
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"endpoint": "/public",
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}
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for name, _ := range testValues {
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testValues[name] = flagSet.String(name, "", "test")
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}
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err := BindPFlags(flagSet)
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if err != nil {
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t.Fatalf("error binding flag set, %v", err)
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}
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flagSet.VisitAll(func(flag *pflag.Flag) {
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flag.Value.Set(mutatedTestValues[flag.Name])
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flag.Changed = true
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})
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for name, expected := range mutatedTestValues {
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assert.Equal(t, Get(name), expected)
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}
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}
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func TestBindPFlag(t *testing.T) {
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var testString = "testing"
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var testValue = newStringValue(testString, &testString)
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flag := &pflag.Flag{
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Name: "testflag",
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Value: testValue,
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Changed: false,
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}
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BindPFlag("testvalue", flag)
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assert.Equal(t, testString, Get("testvalue"))
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flag.Value.Set("testing_mutate")
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flag.Changed = true //hack for pflag usage
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assert.Equal(t, "testing_mutate", Get("testvalue"))
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}
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func TestBoundCaseSensitivity(t *testing.T) {
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assert.Equal(t, "brown", Get("eyes"))
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BindEnv("eYEs", "TURTLE_EYES")
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os.Setenv("TURTLE_EYES", "blue")
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assert.Equal(t, "blue", Get("eyes"))
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var testString = "green"
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var testValue = newStringValue(testString, &testString)
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flag := &pflag.Flag{
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Name: "eyeballs",
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Value: testValue,
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Changed: true,
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}
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BindPFlag("eYEs", flag)
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assert.Equal(t, "green", Get("eyes"))
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|
|
|
}
|
|
|
|
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[interface{}]interface{}{
|
|
"jacket": "leather",
|
|
"trousers": "denim",
|
|
"pants": map[interface{}]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[interface{}]interface{}{"jacket": "leather", "trousers": "denim", "pants": map[interface{}]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 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, subv, (*Viper)(nil))
|
|
}
|
|
|
|
var yamlMergeExampleTgt = []byte(`
|
|
hello:
|
|
pop: 37890
|
|
world:
|
|
- us
|
|
- uk
|
|
- fr
|
|
- de
|
|
`)
|
|
|
|
var yamlMergeExampleSrc = []byte(`
|
|
hello:
|
|
pop: 45000
|
|
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 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 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 TestUnmarshalingWithAliases(t *testing.T) {
|
|
SetDefault("Id", 1)
|
|
Set("name", "Steve")
|
|
Set("lastname", "Owen")
|
|
|
|
RegisterAlias("UserID", "Id")
|
|
RegisterAlias("Firstname", "name")
|
|
RegisterAlias("Surname", "lastname")
|
|
|
|
type config struct {
|
|
Id int
|
|
FirstName string
|
|
Surname string
|
|
}
|
|
|
|
var C config
|
|
|
|
err := Unmarshal(&C)
|
|
if err != nil {
|
|
t.Fatalf("unable to decode into struct, %v", err)
|
|
}
|
|
|
|
assert.Equal(t, &C, &config{Id: 1, FirstName: "Steve", Surname: "Owen"})
|
|
}
|