ini/struct_test.go at v1.63.1 · go-ini/ini

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// Licensed under the Apache License, Version 2.0 (the "License"): you may

// not use this file except in compliance with the License. You may obtain

// a copy of the License at

// http://www.apache.org/licenses/LICENSE-2.0

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the

// License for the specific language governing permissions and limitations

// under the License.

package ini_test

import (

"bytes"

"fmt"

"strings"

"testing"

"time"

"github.com/stretchr/testify/assert"

"github.com/stretchr/testify/require"

"gopkg.in/ini.v1"

)

type testNested struct {

Cities []string `delim:"|"`

Visits []time.Time

Years []int

Numbers []int64

Ages []uint

Populations []uint64

Coordinates []float64

Flags []bool

Note string

Unused int `ini:"-"`

}

type TestEmbeded struct {

GPA float64

}

type testStruct struct {

Name string `ini:"NAME"`

Age int

Male bool

Money float64

Born time.Time

Time time.Duration `ini:"Duration"`

OldVersionTime time.Duration

Others testNested

OthersPtr *testNested

NilPtr *testNested

*TestEmbeded `ini:"grade"`

Unused int `ini:"-"`

Unsigned uint

Omitted bool `ini:"omitthis,omitempty"`

Shadows []string `ini:",allowshadow"`

ShadowInts []int `ini:"Shadows,allowshadow"`

BoolPtr *bool

BoolPtrNil *bool

FloatPtr *float64

FloatPtrNil *float64

IntPtr *int

IntPtrNil *int

UintPtr *uint

UintPtrNil *uint

StringPtr *string

StringPtrNil *string

TimePtr *time.Time

TimePtrNil *time.Time

DurationPtr *time.Duration

DurationPtrNil *time.Duration

}

type testInterface struct {

Address string

ListenPort int

PrivateKey string

}

type testPeer struct {

PublicKey string

PresharedKey string

AllowedIPs []string `delim:","`

}

type testNonUniqueSectionsStruct struct {

Interface testInterface

Peer []testPeer `ini:",nonunique"`

}

type BaseStruct struct {

Base bool

}

type testExtend struct {

BaseStruct `ini:",extends"`

Extend bool

}

const confDataStruct = `

NAME = Unknwon

Age = 21

Male = true

Money = 1.25

Born = 1993-10-07T20:17:05Z

Duration = 2h45m

OldVersionTime = 30

Unsigned = 3

omitthis = true

Shadows = 1, 2

Shadows = 3, 4

BoolPtr = false

FloatPtr = 0

IntPtr = 0

UintPtr = 0

StringPtr = ""

TimePtr = 0001-01-01T00:00:00Z

DurationPtr = 0s

[Others]

Cities = HangZhou|Boston

Visits = 1993-10-07T20:17:05Z, 1993-10-07T20:17:05Z

Years = 1993,1994

Numbers = 10010,10086

Ages = 18,19

Populations = 12345678,98765432

Coordinates = 192.168,10.11

Flags = true,false

Note = Hello world!

[OthersPtr]

Cities = HangZhou|Boston

Visits = 1993-10-07T20:17:05Z, 1993-10-07T20:17:05Z

Years = 1993,1994

Numbers = 10010,10086

Ages = 18,19

Populations = 12345678,98765432

Coordinates = 192.168,10.11

Flags = true,false

Note = Hello world!

[grade]

GPA = 2.8

[foo.bar]

Here = there

When = then

[extended]

Base = true

Extend = true

const confNonUniqueSectionDataStruct = `[Interface]

Address = 10.2.0.1/24

ListenPort = 34777

PrivateKey = privServerKey

[Peer]

PublicKey = pubClientKey

PresharedKey = psKey

AllowedIPs = 10.2.0.2/32,fd00:2::2/128

[Peer]

PublicKey = pubClientKey2

PresharedKey = psKey2

AllowedIPs = 10.2.0.3/32,fd00:2::3/128

type unsupport struct {

Byte byte

}

type unsupport2 struct {

Others struct {

Cities byte

}

type Unsupport3 struct {

Cities byte

}

type unsupport4 struct {

*Unsupport3 `ini:"Others"`

}

type defaultValue struct {

Name string

Age int

Male bool

Optional *bool

Money float64

Born time.Time

Cities []string

}

type fooBar struct {

Here, When string

}

const invalidDataConfStruct = `

Name =

Age = age

Male = 123

Money = money

Born = nil

Cities =

func Test_MapToStruct(t *testing.T) {

t.Run("map to struct", func(t *testing.T) {

t.Run("map file to struct", func(t *testing.T) {

ts := new(testStruct)

assert.NoError(t, ini.MapTo(ts, []byte(confDataStruct)))

assert.Equal(t, "Unknwon", ts.Name)

assert.Equal(t, 21, ts.Age)

assert.True(t, ts.Male)

assert.Equal(t, 1.25, ts.Money)

assert.Equal(t, uint(3), ts.Unsigned)

ti, err := time.Parse(time.RFC3339, "1993-10-07T20:17:05Z")

require.NoError(t, err)

assert.Equal(t, ti.String(), ts.Born.String())

dur, err := time.ParseDuration("2h45m")

require.NoError(t, err)

assert.Equal(t, dur.Seconds(), ts.Time.Seconds())

assert.Equal(t, 30*time.Second, ts.OldVersionTime*time.Second)

assert.Equal(t, "HangZhou,Boston", strings.Join(ts.Others.Cities, ","))

assert.Equal(t, ti.String(), ts.Others.Visits[0].String())

assert.Equal(t, "[1993 1994]", fmt.Sprint(ts.Others.Years))

assert.Equal(t, "[10010 10086]", fmt.Sprint(ts.Others.Numbers))

assert.Equal(t, "[18 19]", fmt.Sprint(ts.Others.Ages))

assert.Equal(t, "[12345678 98765432]", fmt.Sprint(ts.Others.Populations))

assert.Equal(t, "[192.168 10.11]", fmt.Sprint(ts.Others.Coordinates))

assert.Equal(t, "[true false]", fmt.Sprint(ts.Others.Flags))

assert.Equal(t, "Hello world!", ts.Others.Note)

assert.Equal(t, 2.8, ts.TestEmbeded.GPA)

assert.Equal(t, "HangZhou,Boston", strings.Join(ts.OthersPtr.Cities, ","))

assert.Equal(t, ti.String(), ts.OthersPtr.Visits[0].String())

assert.Equal(t, "[1993 1994]", fmt.Sprint(ts.OthersPtr.Years))

assert.Equal(t, "[10010 10086]", fmt.Sprint(ts.OthersPtr.Numbers))

assert.Equal(t, "[18 19]", fmt.Sprint(ts.OthersPtr.Ages))

assert.Equal(t, "[12345678 98765432]", fmt.Sprint(ts.OthersPtr.Populations))

assert.Equal(t, "[192.168 10.11]", fmt.Sprint(ts.OthersPtr.Coordinates))

assert.Equal(t, "[true false]", fmt.Sprint(ts.OthersPtr.Flags))

assert.Equal(t, "Hello world!", ts.OthersPtr.Note)

assert.Nil(t, ts.NilPtr)

assert.Equal(t, false, *ts.BoolPtr)

assert.Nil(t, ts.BoolPtrNil)

assert.Equal(t, float64(0), *ts.FloatPtr)

assert.Nil(t, ts.FloatPtrNil)

assert.Equal(t, 0, *ts.IntPtr)

assert.Nil(t, ts.IntPtrNil)

assert.Equal(t, uint(0), *ts.UintPtr)

assert.Nil(t, ts.UintPtrNil)

assert.Equal(t, "", *ts.StringPtr)

assert.Nil(t, ts.StringPtrNil)

assert.NotNil(t, *ts.TimePtr)

assert.Nil(t, ts.TimePtrNil)

assert.Equal(t, time.Duration(0), *ts.DurationPtr)

assert.Nil(t, ts.DurationPtrNil)

})

t.Run("map section to struct", func(t *testing.T) {

foobar := new(fooBar)

f, err := ini.Load([]byte(confDataStruct))

require.NoError(t, err)

assert.NoError(t, f.Section("foo.bar").MapTo(foobar))

assert.Equal(t, "there", foobar.Here)

assert.Equal(t, "then", foobar.When)

})

t.Run("map to non-pointer struct", func(t *testing.T) {

f, err := ini.Load([]byte(confDataStruct))

require.NoError(t, err)

require.NotNil(t, f)

assert.Error(t, f.MapTo(testStruct{}))

})

t.Run("map to unsupported type", func(t *testing.T) {

f, err := ini.Load([]byte(confDataStruct))

require.NoError(t, err)

require.NotNil(t, f)

f.NameMapper = func(raw string) string {

if raw == "Byte" {

return "NAME"

}

return raw

}

assert.Error(t, f.MapTo(&unsupport{}))

assert.Error(t, f.MapTo(&unsupport2{}))

assert.Error(t, f.MapTo(&unsupport4{}))

})

t.Run("map to omitempty field", func(t *testing.T) {

ts := new(testStruct)

assert.NoError(t, ini.MapTo(ts, []byte(confDataStruct)))

assert.Equal(t, true, ts.Omitted)

})

t.Run("map with shadows", func(t *testing.T) {

f, err := ini.LoadSources(ini.LoadOptions{AllowShadows: true}, []byte(confDataStruct))

require.NoError(t, err)

ts := new(testStruct)

assert.NoError(t, f.MapTo(ts))

assert.Equal(t, "1 2 3 4", strings.Join(ts.Shadows, " "))

assert.Equal(t, "[1 2 3 4]", fmt.Sprintf("%v", ts.ShadowInts))

})

t.Run("map from invalid data source", func(t *testing.T) {

assert.Error(t, ini.MapTo(&testStruct{}, "hi"))

})

t.Run("map to wrong types and gain default values", func(t *testing.T) {

f, err := ini.Load([]byte(invalidDataConfStruct))

require.NoError(t, err)

ti, err := time.Parse(time.RFC3339, "1993-10-07T20:17:05Z")

require.NoError(t, err)

dv := &defaultValue{"Joe", 10, true, nil, 1.25, ti, []string{"HangZhou", "Boston"}}

assert.NoError(t, f.MapTo(dv))

assert.Equal(t, "Joe", dv.Name)

assert.Equal(t, 10, dv.Age)

assert.True(t, dv.Male)

assert.Equal(t, 1.25, dv.Money)

assert.Equal(t, ti.String(), dv.Born.String())

assert.Equal(t, "HangZhou,Boston", strings.Join(dv.Cities, ","))

})

t.Run("map to extended base", func(t *testing.T) {

f, err := ini.Load([]byte(confDataStruct))

require.NoError(t, err)

require.NotNil(t, f)

te := testExtend{}

assert.NoError(t, f.Section("extended").MapTo(&te))

assert.True(t, te.Base)

assert.True(t, te.Extend)

})

t.Run("map to struct in strict mode", func(t *testing.T) {

f, err := ini.Load([]byte(`

name=bruce

age=a30`))

require.NoError(t, err)

type Strict struct {

Name string `ini:"name"`

Age int `ini:"age"`

}

s := new(Strict)

assert.Error(t, f.Section("").StrictMapTo(s))

})

t.Run("map slice in strict mode", func(t *testing.T) {

f, err := ini.Load([]byte(`

names=alice, bruce`))

require.NoError(t, err)

type Strict struct {

Names []string `ini:"names"`

}

s := new(Strict)

assert.NoError(t, f.Section("").StrictMapTo(s))

assert.Equal(t, "[alice bruce]", fmt.Sprint(s.Names))

})

}

func Test_MapToStructNonUniqueSections(t *testing.T) {

t.Run("map to struct non unique", func(t *testing.T) {

t.Run("map file to struct non unique", func(t *testing.T) {

f, err := ini.LoadSources(ini.LoadOptions{AllowNonUniqueSections: true}, []byte(confNonUniqueSectionDataStruct))

require.NoError(t, err)

ts := new(testNonUniqueSectionsStruct)

assert.NoError(t, f.MapTo(ts))

assert.Equal(t, "10.2.0.1/24", ts.Interface.Address)

assert.Equal(t, 34777, ts.Interface.ListenPort)

assert.Equal(t, "privServerKey", ts.Interface.PrivateKey)

assert.Equal(t, "pubClientKey", ts.Peer[0].PublicKey)

assert.Equal(t, "psKey", ts.Peer[0].PresharedKey)

assert.Equal(t, "10.2.0.2/32", ts.Peer[0].AllowedIPs[0])

assert.Equal(t, "fd00:2::2/128", ts.Peer[0].AllowedIPs[1])

assert.Equal(t, "pubClientKey2", ts.Peer[1].PublicKey)

assert.Equal(t, "psKey2", ts.Peer[1].PresharedKey)

assert.Equal(t, "10.2.0.3/32", ts.Peer[1].AllowedIPs[0])

assert.Equal(t, "fd00:2::3/128", ts.Peer[1].AllowedIPs[1])

})

t.Run("map non unique section to struct", func(t *testing.T) {

newPeer := new(testPeer)

newPeerSlice := make([]testPeer, 0)

f, err := ini.LoadSources(ini.LoadOptions{AllowNonUniqueSections: true}, []byte(confNonUniqueSectionDataStruct))

require.NoError(t, err)

// try only first one

assert.NoError(t, f.Section("Peer").MapTo(newPeer))

assert.Equal(t, "pubClientKey", newPeer.PublicKey)

assert.Equal(t, "psKey", newPeer.PresharedKey)

assert.Equal(t, "10.2.0.2/32", newPeer.AllowedIPs[0])

assert.Equal(t, "fd00:2::2/128", newPeer.AllowedIPs[1])

// try all

assert.NoError(t, f.Section("Peer").MapTo(&newPeerSlice))

assert.Equal(t, "pubClientKey", newPeerSlice[0].PublicKey)

assert.Equal(t, "psKey", newPeerSlice[0].PresharedKey)

assert.Equal(t, "10.2.0.2/32", newPeerSlice[0].AllowedIPs[0])

assert.Equal(t, "fd00:2::2/128", newPeerSlice[0].AllowedIPs[1])

assert.Equal(t, "pubClientKey2", newPeerSlice[1].PublicKey)

assert.Equal(t, "psKey2", newPeerSlice[1].PresharedKey)

assert.Equal(t, "10.2.0.3/32", newPeerSlice[1].AllowedIPs[0])

assert.Equal(t, "fd00:2::3/128", newPeerSlice[1].AllowedIPs[1])

})

t.Run("map non unique sections with subsections to struct", func(t *testing.T) {

iniFile, err := ini.LoadSources(ini.LoadOptions{AllowNonUniqueSections: true}, strings.NewReader(`

[Section]

FieldInSubSection = 1

FieldInSubSection2 = 2

FieldInSection = 3

[Section]

FieldInSubSection = 4

FieldInSubSection2 = 5

FieldInSection = 6

`))

require.NoError(t, err)

type SubSection struct {

FieldInSubSection string `ini:"FieldInSubSection"`

}

type SubSection2 struct {

FieldInSubSection2 string `ini:"FieldInSubSection2"`

}

type Section struct {

SubSection `ini:"Section"`

SubSection2 `ini:"Section"`

FieldInSection string `ini:"FieldInSection"`

}

type File struct {

Sections []Section `ini:"Section,nonunique"`

}

f := new(File)

err = iniFile.MapTo(f)

require.NoError(t, err)

assert.Equal(t, "1", f.Sections[0].FieldInSubSection)

assert.Equal(t, "2", f.Sections[0].FieldInSubSection2)

assert.Equal(t, "3", f.Sections[0].FieldInSection)

assert.Equal(t, "4", f.Sections[1].FieldInSubSection)

assert.Equal(t, "5", f.Sections[1].FieldInSubSection2)

assert.Equal(t, "6", f.Sections[1].FieldInSection)

})

}

func Test_ReflectFromStruct(t *testing.T) {

t.Run("reflect from struct", func(t *testing.T) {

type Embeded struct {

Dates []time.Time `delim:"|" comment:"Time data"`

Places []string

Years []int

Numbers []int64

Ages []uint

Populations []uint64

Coordinates []float64

Flags []bool

None []int

}

type Author struct {

Name string `ini:"NAME"`

Male bool

Optional *bool

Age int `comment:"Author's age"`

Height uint

GPA float64

Date time.Time

NeverMind string `ini:"-"`

ignored string

*Embeded `ini:"infos" comment:"Embeded section"`

}

ti, err := time.Parse(time.RFC3339, "1993-10-07T20:17:05Z")

require.NoError(t, err)

a := &Author{"Unknwon", true, nil, 21, 100, 2.8, ti, "", "ignored",

&Embeded{

[]time.Time{ti, ti},

[]string{"HangZhou", "Boston"},

[]int{1993, 1994},

[]int64{10010, 10086},

[]uint{18, 19},

[]uint64{12345678, 98765432},

[]float64{192.168, 10.11},

[]bool{true, false},

[]int{},

}}

cfg := ini.Empty()

assert.NoError(t, ini.ReflectFrom(cfg, a))

var buf bytes.Buffer

_, err = cfg.WriteTo(&buf)

require.NoError(t, err)

assert.Equal(t, `NAME = Unknwon

Male = true

Optional =

; Author's age

Age = 21

Height = 100

GPA = 2.8

Date = 1993-10-07T20:17:05Z

; Embeded section

[infos]

; Time data

Dates = 1993-10-07T20:17:05Z|1993-10-07T20:17:05Z

Places = HangZhou,Boston

Years = 1993,1994

Numbers = 10010,10086

Ages = 18,19

Populations = 12345678,98765432

Coordinates = 192.168,10.11

Flags = true,false

None =

buf.String(),

)

t.Run("reflect from non-point struct", func(t *testing.T) {

assert.Error(t, ini.ReflectFrom(cfg, Author{}))

})

t.Run("reflect from struct with omitempty", func(t *testing.T) {

cfg := ini.Empty()

type SpecialStruct struct {

FirstName string `ini:"first_name"`

LastName string `ini:"last_name,omitempty"`

JustOmitMe string `ini:"omitempty"`

LastLogin time.Time `ini:"last_login,omitempty"`

LastLogin2 time.Time `ini:",omitempty"`

NotEmpty int `ini:"omitempty"`

Number int64 `ini:",omitempty"`

Ages uint `ini:",omitempty"`

Population uint64 `ini:",omitempty"`

Coordinate float64 `ini:",omitempty"`

Flag bool `ini:",omitempty"`

Note *string `ini:",omitempty"`

}

special := &SpecialStruct{

FirstName: "John",

LastName: "Doe",

NotEmpty: 9,

}

assert.NoError(t, ini.ReflectFrom(cfg, special))

var buf bytes.Buffer

_, err = cfg.WriteTo(&buf)

assert.Equal(t, `first_name = John

last_name = Doe

omitempty = 9

buf.String(),

)

})

t.Run("reflect from struct with non-anonymous structure pointer", func(t *testing.T) {

cfg := ini.Empty()

type Rpc struct {

Enable bool `ini:"enable"`

Type string `ini:"type"`

Address string `ini:"addr"`

Name string `ini:"name"`

}

type Cfg struct {

Rpc *Rpc `ini:"rpc"`

}

config := &Cfg{

Rpc: &Rpc{

Enable: true,

Type: "type",

Address: "address",

Name: "name",

}

assert.NoError(t, cfg.ReflectFrom(config))

var buf bytes.Buffer

_, err = cfg.WriteTo(&buf)

assert.Equal(t, `[rpc]

enable = true

type = type

addr = address

name = name

buf.String(),

)

})

}

func Test_ReflectFromStructNonUniqueSections(t *testing.T) {

t.Run("reflect from struct with non unique sections", func(t *testing.T) {

nonUnique := &testNonUniqueSectionsStruct{

Interface: testInterface{

Address: "10.2.0.1/24",

ListenPort: 34777,

PrivateKey: "privServerKey",

Peer: []testPeer{

{

PublicKey: "pubClientKey",

PresharedKey: "psKey",

AllowedIPs: []string{"10.2.0.2/32,fd00:2::2/128"},

{

PublicKey: "pubClientKey2",

PresharedKey: "psKey2",

AllowedIPs: []string{"10.2.0.3/32,fd00:2::3/128"},

}

cfg := ini.Empty(ini.LoadOptions{

AllowNonUniqueSections: true,

})

assert.NoError(t, ini.ReflectFrom(cfg, nonUnique))

var buf bytes.Buffer

_, err := cfg.WriteTo(&buf)

require.NoError(t, err)

assert.Equal(t, confNonUniqueSectionDataStruct, buf.String())

// note: using ReflectFrom from should overwrite the existing sections

err = cfg.Section("Peer").ReflectFrom([]*testPeer{

{

PublicKey: "pubClientKey3",

PresharedKey: "psKey3",

AllowedIPs: []string{"10.2.0.4/32,fd00:2::4/128"},

{

PublicKey: "pubClientKey4",

PresharedKey: "psKey4",

AllowedIPs: []string{"10.2.0.5/32,fd00:2::5/128"},

})

require.NoError(t, err)

buf = bytes.Buffer{}

_, err = cfg.WriteTo(&buf)

require.NoError(t, err)

assert.Equal(t, `[Interface]

Address = 10.2.0.1/24

ListenPort = 34777

PrivateKey = privServerKey

[Peer]

PublicKey = pubClientKey3

PresharedKey = psKey3

AllowedIPs = 10.2.0.4/32,fd00:2::4/128

[Peer]

PublicKey = pubClientKey4

PresharedKey = psKey4

AllowedIPs = 10.2.0.5/32,fd00:2::5/128

buf.String(),

)

// note: using ReflectFrom from should overwrite the existing sections

err = cfg.Section("Peer").ReflectFrom(&testPeer{

PublicKey: "pubClientKey5",

PresharedKey: "psKey5",

AllowedIPs: []string{"10.2.0.6/32,fd00:2::6/128"},

})

require.NoError(t, err)

buf = bytes.Buffer{}

_, err = cfg.WriteTo(&buf)

require.NoError(t, err)

assert.Equal(t, `[Interface]

Address = 10.2.0.1/24

ListenPort = 34777

PrivateKey = privServerKey

[Peer]

PublicKey = pubClientKey5

PresharedKey = psKey5

AllowedIPs = 10.2.0.6/32,fd00:2::6/128

buf.String(),

)

})

}

// Inspired by https://github.com/go-ini/ini/issues/196

func TestMapToAndReflectFromStructWithShadows(t *testing.T) {

t.Run("map to struct and then reflect with shadows should generate original config content", func(t *testing.T) {

type include struct {

Paths []string `ini:"path,omitempty,allowshadow"`

}

cfg, err := ini.LoadSources(ini.LoadOptions{

AllowShadows: true,

}, []byte(`

[include]

path = /tmp/gpm-profiles/test5.profile

path = /tmp/gpm-profiles/test1.profile`))

require.NoError(t, err)

sec := cfg.Section("include")

inc := new(include)

err = sec.MapTo(inc)

require.NoError(t, err)

err = sec.ReflectFrom(inc)

require.NoError(t, err)

var buf bytes.Buffer

_, err = cfg.WriteTo(&buf)

require.NoError(t, err)

assert.Equal(t, `[include]

path = /tmp/gpm-profiles/test5.profile

path = /tmp/gpm-profiles/test1.profile

buf.String(),

)

t.Run("reflect from struct with shadows", func(t *testing.T) {

cfg := ini.Empty(ini.LoadOptions{

AllowShadows: true,

})

type ShadowStruct struct {

StringArray []string `ini:"sa,allowshadow"`

EmptyStringArrat []string `ini:"empty,omitempty,allowshadow"`

Allowshadow []string `ini:"allowshadow,allowshadow"`

Dates []time.Time `ini:",allowshadow"`

Places []string `ini:",allowshadow"`

Years []int `ini:",allowshadow"`

Numbers []int64 `ini:",allowshadow"`

Ages []uint `ini:",allowshadow"`

Populations []uint64 `ini:",allowshadow"`

Coordinates []float64 `ini:",allowshadow"`

Flags []bool `ini:",allowshadow"`

None []int `ini:",allowshadow"`

}

shadow := &ShadowStruct{

StringArray: []string{"s1", "s2"},

Allowshadow: []string{"s3", "s4"},

Dates: []time.Time{time.Date(2020, 9, 12, 00, 00, 00, 651387237, time.UTC),

time.Date(2020, 9, 12, 00, 00, 00, 651387237, time.UTC)},

Places: []string{"HangZhou", "Boston"},

Years: []int{1993, 1994},

Numbers: []int64{10010, 10086},

Ages: []uint{18, 19},

Populations: []uint64{12345678, 98765432},

Coordinates: []float64{192.168, 10.11},

Flags: []bool{true, false},

None: []int{},

}

assert.NoError(t, ini.ReflectFrom(cfg, shadow))

var buf bytes.Buffer

_, err := cfg.WriteTo(&buf)

require.NoError(t, err)

assert.Equal(t, `sa = s1

sa = s2

allowshadow = s3

allowshadow = s4

Dates = 2020-09-12T00:00:00Z

Places = HangZhou

Places = Boston

Years = 1993

Years = 1994

Numbers = 10010

Numbers = 10086

Ages = 18

Ages = 19

Populations = 12345678

Populations = 98765432

Coordinates = 192.168

Coordinates = 10.11

Flags = true

Flags = false

None =

buf.String(),

)

})

}

type testMapper struct {

PackageName string

}

func Test_NameGetter(t *testing.T) {

t.Run("test name mappers", func(t *testing.T) {

assert.NoError(t, ini.MapToWithMapper(&testMapper{}, ini.TitleUnderscore, []byte("packag_name=ini")))

cfg, err := ini.Load([]byte("PACKAGE_NAME=ini"))

require.NoError(t, err)

require.NotNil(t, cfg)

cfg.NameMapper = ini.SnackCase

tg := new(testMapper)

assert.NoError(t, cfg.MapTo(tg))

assert.Equal(t, "ini", tg.PackageName)

})

}

type testDurationStruct struct {

Duration time.Duration `ini:"Duration"`

}

func Test_Duration(t *testing.T) {

t.Run("duration less than 16m50s", func(t *testing.T) {

ds := new(testDurationStruct)

assert.NoError(t, ini.MapTo(ds, []byte("Duration=16m49s")))

dur, err := time.ParseDuration("16m49s")

require.NoError(t, err)

assert.Equal(t, dur.Seconds(), ds.Duration.Seconds())

})

}

type Employer struct {

Name string

Title string

}

type Employers []*Employer

func (es Employers) ReflectINIStruct(f *ini.File) error {

for _, e := range es {

f.Section(e.Name).Key("Title").SetValue(e.Title)

}

return nil

}

// Inspired by https://github.com/go-ini/ini/issues/199

func Test_StructReflector(t *testing.T) {

t.Run("reflect with StructReflector interface", func(t *testing.T) {

p := &struct {

FirstName string

Employer Employers

}{

FirstName: "Andrew",

Employer: []*Employer{

{

Name: `Employer "VMware"`,

Title: "Staff II Engineer",

{

Name: `Employer "EMC"`,

Title: "Consultant Engineer",

}

f := ini.Empty()

assert.NoError(t, f.ReflectFrom(p))

var buf bytes.Buffer

_, err := f.WriteTo(&buf)

require.NoError(t, err)

assert.Equal(t, `FirstName = Andrew

[Employer "VMware"]

Title = Staff II Engineer

[Employer "EMC"]

Title = Consultant Engineer

buf.String(),

)

})

}

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