be47d6ecef
From-SVN: r200974
1024 lines
25 KiB
Go
1024 lines
25 KiB
Go
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package xml
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import (
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"bytes"
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"errors"
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"fmt"
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"io"
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"reflect"
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"strconv"
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"strings"
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"testing"
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"time"
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)
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type DriveType int
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const (
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HyperDrive DriveType = iota
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ImprobabilityDrive
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)
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type Passenger struct {
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Name []string `xml:"name"`
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Weight float32 `xml:"weight"`
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}
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type Ship struct {
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XMLName struct{} `xml:"spaceship"`
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Name string `xml:"name,attr"`
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Pilot string `xml:"pilot,attr"`
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Drive DriveType `xml:"drive"`
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Age uint `xml:"age"`
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Passenger []*Passenger `xml:"passenger"`
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secret string
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}
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type NamedType string
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type Port struct {
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XMLName struct{} `xml:"port"`
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Type string `xml:"type,attr,omitempty"`
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Comment string `xml:",comment"`
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Number string `xml:",chardata"`
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}
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type Domain struct {
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XMLName struct{} `xml:"domain"`
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Country string `xml:",attr,omitempty"`
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Name []byte `xml:",chardata"`
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Comment []byte `xml:",comment"`
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}
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type Book struct {
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XMLName struct{} `xml:"book"`
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Title string `xml:",chardata"`
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}
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type Event struct {
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XMLName struct{} `xml:"event"`
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Year int `xml:",chardata"`
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}
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type Movie struct {
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XMLName struct{} `xml:"movie"`
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Length uint `xml:",chardata"`
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}
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type Pi struct {
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XMLName struct{} `xml:"pi"`
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Approximation float32 `xml:",chardata"`
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}
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type Universe struct {
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XMLName struct{} `xml:"universe"`
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Visible float64 `xml:",chardata"`
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}
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type Particle struct {
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XMLName struct{} `xml:"particle"`
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HasMass bool `xml:",chardata"`
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}
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type Departure struct {
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XMLName struct{} `xml:"departure"`
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When time.Time `xml:",chardata"`
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}
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type SecretAgent struct {
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XMLName struct{} `xml:"agent"`
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Handle string `xml:"handle,attr"`
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Identity string
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Obfuscate string `xml:",innerxml"`
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}
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type NestedItems struct {
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XMLName struct{} `xml:"result"`
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Items []string `xml:">item"`
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Item1 []string `xml:"Items>item1"`
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}
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type NestedOrder struct {
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XMLName struct{} `xml:"result"`
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Field1 string `xml:"parent>c"`
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Field2 string `xml:"parent>b"`
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Field3 string `xml:"parent>a"`
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}
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type MixedNested struct {
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XMLName struct{} `xml:"result"`
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A string `xml:"parent1>a"`
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B string `xml:"b"`
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C string `xml:"parent1>parent2>c"`
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D string `xml:"parent1>d"`
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}
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type NilTest struct {
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A interface{} `xml:"parent1>parent2>a"`
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B interface{} `xml:"parent1>b"`
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C interface{} `xml:"parent1>parent2>c"`
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}
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type Service struct {
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XMLName struct{} `xml:"service"`
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Domain *Domain `xml:"host>domain"`
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Port *Port `xml:"host>port"`
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Extra1 interface{}
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Extra2 interface{} `xml:"host>extra2"`
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}
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var nilStruct *Ship
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type EmbedA struct {
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EmbedC
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EmbedB EmbedB
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FieldA string
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}
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type EmbedB struct {
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FieldB string
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*EmbedC
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}
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type EmbedC struct {
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FieldA1 string `xml:"FieldA>A1"`
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FieldA2 string `xml:"FieldA>A2"`
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FieldB string
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FieldC string
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}
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type NameCasing struct {
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XMLName struct{} `xml:"casing"`
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Xy string
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XY string
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XyA string `xml:"Xy,attr"`
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XYA string `xml:"XY,attr"`
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}
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type NamePrecedence struct {
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XMLName Name `xml:"Parent"`
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FromTag XMLNameWithoutTag `xml:"InTag"`
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FromNameVal XMLNameWithoutTag
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FromNameTag XMLNameWithTag
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InFieldName string
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}
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type XMLNameWithTag struct {
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XMLName Name `xml:"InXMLNameTag"`
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Value string `xml:",chardata"`
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}
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type XMLNameWithoutTag struct {
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XMLName Name
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Value string `xml:",chardata"`
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}
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type NameInField struct {
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Foo Name `xml:"ns foo"`
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}
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type AttrTest struct {
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Int int `xml:",attr"`
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Named int `xml:"int,attr"`
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Float float64 `xml:",attr"`
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Uint8 uint8 `xml:",attr"`
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Bool bool `xml:",attr"`
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Str string `xml:",attr"`
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Bytes []byte `xml:",attr"`
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}
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type OmitAttrTest struct {
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Int int `xml:",attr,omitempty"`
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Named int `xml:"int,attr,omitempty"`
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Float float64 `xml:",attr,omitempty"`
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Uint8 uint8 `xml:",attr,omitempty"`
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Bool bool `xml:",attr,omitempty"`
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Str string `xml:",attr,omitempty"`
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Bytes []byte `xml:",attr,omitempty"`
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}
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type OmitFieldTest struct {
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Int int `xml:",omitempty"`
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Named int `xml:"int,omitempty"`
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Float float64 `xml:",omitempty"`
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Uint8 uint8 `xml:",omitempty"`
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Bool bool `xml:",omitempty"`
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Str string `xml:",omitempty"`
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Bytes []byte `xml:",omitempty"`
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Ptr *PresenceTest `xml:",omitempty"`
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}
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type AnyTest struct {
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XMLName struct{} `xml:"a"`
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Nested string `xml:"nested>value"`
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AnyField AnyHolder `xml:",any"`
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}
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type AnyOmitTest struct {
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XMLName struct{} `xml:"a"`
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Nested string `xml:"nested>value"`
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AnyField *AnyHolder `xml:",any,omitempty"`
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}
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type AnySliceTest struct {
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XMLName struct{} `xml:"a"`
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Nested string `xml:"nested>value"`
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AnyField []AnyHolder `xml:",any"`
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}
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type AnyHolder struct {
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XMLName Name
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XML string `xml:",innerxml"`
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}
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type RecurseA struct {
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A string
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B *RecurseB
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}
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type RecurseB struct {
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A *RecurseA
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B string
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}
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type PresenceTest struct {
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Exists *struct{}
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}
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type IgnoreTest struct {
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PublicSecret string `xml:"-"`
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}
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type MyBytes []byte
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type Data struct {
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Bytes []byte
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Attr []byte `xml:",attr"`
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Custom MyBytes
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}
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type Plain struct {
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V interface{}
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}
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type MyInt int
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type EmbedInt struct {
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MyInt
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}
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type Strings struct {
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X []string `xml:"A>B,omitempty"`
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}
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// Unless explicitly stated as such (or *Plain), all of the
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// tests below are two-way tests. When introducing new tests,
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// please try to make them two-way as well to ensure that
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// marshalling and unmarshalling are as symmetrical as feasible.
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var marshalTests = []struct {
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Value interface{}
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ExpectXML string
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MarshalOnly bool
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UnmarshalOnly bool
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}{
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// Test nil marshals to nothing
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{Value: nil, ExpectXML: ``, MarshalOnly: true},
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{Value: nilStruct, ExpectXML: ``, MarshalOnly: true},
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// Test value types
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{Value: &Plain{true}, ExpectXML: `<Plain><V>true</V></Plain>`},
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{Value: &Plain{false}, ExpectXML: `<Plain><V>false</V></Plain>`},
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{Value: &Plain{int(42)}, ExpectXML: `<Plain><V>42</V></Plain>`},
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{Value: &Plain{int8(42)}, ExpectXML: `<Plain><V>42</V></Plain>`},
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{Value: &Plain{int16(42)}, ExpectXML: `<Plain><V>42</V></Plain>`},
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{Value: &Plain{int32(42)}, ExpectXML: `<Plain><V>42</V></Plain>`},
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{Value: &Plain{uint(42)}, ExpectXML: `<Plain><V>42</V></Plain>`},
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{Value: &Plain{uint8(42)}, ExpectXML: `<Plain><V>42</V></Plain>`},
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{Value: &Plain{uint16(42)}, ExpectXML: `<Plain><V>42</V></Plain>`},
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{Value: &Plain{uint32(42)}, ExpectXML: `<Plain><V>42</V></Plain>`},
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{Value: &Plain{float32(1.25)}, ExpectXML: `<Plain><V>1.25</V></Plain>`},
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{Value: &Plain{float64(1.25)}, ExpectXML: `<Plain><V>1.25</V></Plain>`},
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{Value: &Plain{uintptr(0xFFDD)}, ExpectXML: `<Plain><V>65501</V></Plain>`},
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{Value: &Plain{"gopher"}, ExpectXML: `<Plain><V>gopher</V></Plain>`},
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{Value: &Plain{[]byte("gopher")}, ExpectXML: `<Plain><V>gopher</V></Plain>`},
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{Value: &Plain{"</>"}, ExpectXML: `<Plain><V></></V></Plain>`},
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{Value: &Plain{[]byte("</>")}, ExpectXML: `<Plain><V></></V></Plain>`},
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{Value: &Plain{[3]byte{'<', '/', '>'}}, ExpectXML: `<Plain><V></></V></Plain>`},
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{Value: &Plain{NamedType("potato")}, ExpectXML: `<Plain><V>potato</V></Plain>`},
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{Value: &Plain{[]int{1, 2, 3}}, ExpectXML: `<Plain><V>1</V><V>2</V><V>3</V></Plain>`},
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{Value: &Plain{[3]int{1, 2, 3}}, ExpectXML: `<Plain><V>1</V><V>2</V><V>3</V></Plain>`},
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// Test time.
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{
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Value: &Plain{time.Unix(1e9, 123456789).UTC()},
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ExpectXML: `<Plain><V>2001-09-09T01:46:40.123456789Z</V></Plain>`,
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},
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// A pointer to struct{} may be used to test for an element's presence.
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{
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Value: &PresenceTest{new(struct{})},
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ExpectXML: `<PresenceTest><Exists></Exists></PresenceTest>`,
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},
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{
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Value: &PresenceTest{},
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ExpectXML: `<PresenceTest></PresenceTest>`,
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},
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// A pointer to struct{} may be used to test for an element's presence.
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{
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Value: &PresenceTest{new(struct{})},
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ExpectXML: `<PresenceTest><Exists></Exists></PresenceTest>`,
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},
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{
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Value: &PresenceTest{},
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ExpectXML: `<PresenceTest></PresenceTest>`,
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},
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// A []byte field is only nil if the element was not found.
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{
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Value: &Data{},
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ExpectXML: `<Data></Data>`,
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UnmarshalOnly: true,
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},
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{
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Value: &Data{Bytes: []byte{}, Custom: MyBytes{}, Attr: []byte{}},
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ExpectXML: `<Data Attr=""><Bytes></Bytes><Custom></Custom></Data>`,
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UnmarshalOnly: true,
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},
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// Check that []byte works, including named []byte types.
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{
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Value: &Data{Bytes: []byte("ab"), Custom: MyBytes("cd"), Attr: []byte{'v'}},
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ExpectXML: `<Data Attr="v"><Bytes>ab</Bytes><Custom>cd</Custom></Data>`,
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},
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// Test innerxml
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{
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Value: &SecretAgent{
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Handle: "007",
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Identity: "James Bond",
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Obfuscate: "<redacted/>",
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},
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ExpectXML: `<agent handle="007"><Identity>James Bond</Identity><redacted/></agent>`,
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MarshalOnly: true,
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},
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{
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Value: &SecretAgent{
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Handle: "007",
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Identity: "James Bond",
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Obfuscate: "<Identity>James Bond</Identity><redacted/>",
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},
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ExpectXML: `<agent handle="007"><Identity>James Bond</Identity><redacted/></agent>`,
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UnmarshalOnly: true,
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},
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// Test structs
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{Value: &Port{Type: "ssl", Number: "443"}, ExpectXML: `<port type="ssl">443</port>`},
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{Value: &Port{Number: "443"}, ExpectXML: `<port>443</port>`},
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{Value: &Port{Type: "<unix>"}, ExpectXML: `<port type="<unix>"></port>`},
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{Value: &Port{Number: "443", Comment: "https"}, ExpectXML: `<port><!--https-->443</port>`},
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{Value: &Port{Number: "443", Comment: "add space-"}, ExpectXML: `<port><!--add space- -->443</port>`, MarshalOnly: true},
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{Value: &Domain{Name: []byte("google.com&friends")}, ExpectXML: `<domain>google.com&friends</domain>`},
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{Value: &Domain{Name: []byte("google.com"), Comment: []byte(" &friends ")}, ExpectXML: `<domain>google.com<!-- &friends --></domain>`},
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{Value: &Book{Title: "Pride & Prejudice"}, ExpectXML: `<book>Pride & Prejudice</book>`},
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{Value: &Event{Year: -3114}, ExpectXML: `<event>-3114</event>`},
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{Value: &Movie{Length: 13440}, ExpectXML: `<movie>13440</movie>`},
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{Value: &Pi{Approximation: 3.14159265}, ExpectXML: `<pi>3.1415927</pi>`},
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{Value: &Universe{Visible: 9.3e13}, ExpectXML: `<universe>9.3e+13</universe>`},
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{Value: &Particle{HasMass: true}, ExpectXML: `<particle>true</particle>`},
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{Value: &Departure{When: ParseTime("2013-01-09T00:15:00-09:00")}, ExpectXML: `<departure>2013-01-09T00:15:00-09:00</departure>`},
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{Value: atomValue, ExpectXML: atomXml},
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{
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Value: &Ship{
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Name: "Heart of Gold",
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Pilot: "Computer",
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Age: 1,
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Drive: ImprobabilityDrive,
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Passenger: []*Passenger{
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{
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Name: []string{"Zaphod", "Beeblebrox"},
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Weight: 7.25,
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},
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{
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Name: []string{"Trisha", "McMillen"},
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Weight: 5.5,
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},
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{
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Name: []string{"Ford", "Prefect"},
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Weight: 7,
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},
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{
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Name: []string{"Arthur", "Dent"},
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Weight: 6.75,
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},
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},
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},
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ExpectXML: `<spaceship name="Heart of Gold" pilot="Computer">` +
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`<drive>` + strconv.Itoa(int(ImprobabilityDrive)) + `</drive>` +
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`<age>1</age>` +
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`<passenger>` +
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`<name>Zaphod</name>` +
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`<name>Beeblebrox</name>` +
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`<weight>7.25</weight>` +
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`</passenger>` +
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`<passenger>` +
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`<name>Trisha</name>` +
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`<name>McMillen</name>` +
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`<weight>5.5</weight>` +
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`</passenger>` +
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`<passenger>` +
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`<name>Ford</name>` +
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`<name>Prefect</name>` +
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`<weight>7</weight>` +
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`</passenger>` +
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`<passenger>` +
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`<name>Arthur</name>` +
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`<name>Dent</name>` +
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`<weight>6.75</weight>` +
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`</passenger>` +
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`</spaceship>`,
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},
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// Test a>b
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{
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Value: &NestedItems{Items: nil, Item1: nil},
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ExpectXML: `<result>` +
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`<Items>` +
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`</Items>` +
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`</result>`,
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},
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{
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Value: &NestedItems{Items: []string{}, Item1: []string{}},
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ExpectXML: `<result>` +
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`<Items>` +
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`</Items>` +
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`</result>`,
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MarshalOnly: true,
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},
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{
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Value: &NestedItems{Items: nil, Item1: []string{"A"}},
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ExpectXML: `<result>` +
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`<Items>` +
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`<item1>A</item1>` +
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`</Items>` +
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`</result>`,
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},
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{
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Value: &NestedItems{Items: []string{"A", "B"}, Item1: nil},
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ExpectXML: `<result>` +
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`<Items>` +
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`<item>A</item>` +
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`<item>B</item>` +
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`</Items>` +
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`</result>`,
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},
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{
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Value: &NestedItems{Items: []string{"A", "B"}, Item1: []string{"C"}},
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ExpectXML: `<result>` +
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`<Items>` +
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`<item>A</item>` +
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`<item>B</item>` +
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`<item1>C</item1>` +
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`</Items>` +
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`</result>`,
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},
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{
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Value: &NestedOrder{Field1: "C", Field2: "B", Field3: "A"},
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ExpectXML: `<result>` +
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`<parent>` +
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`<c>C</c>` +
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`<b>B</b>` +
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`<a>A</a>` +
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`</parent>` +
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`</result>`,
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},
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{
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Value: &NilTest{A: "A", B: nil, C: "C"},
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ExpectXML: `<NilTest>` +
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`<parent1>` +
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`<parent2><a>A</a></parent2>` +
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`<parent2><c>C</c></parent2>` +
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`</parent1>` +
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`</NilTest>`,
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MarshalOnly: true, // Uses interface{}
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},
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{
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Value: &MixedNested{A: "A", B: "B", C: "C", D: "D"},
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ExpectXML: `<result>` +
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`<parent1><a>A</a></parent1>` +
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`<b>B</b>` +
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`<parent1>` +
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`<parent2><c>C</c></parent2>` +
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`<d>D</d>` +
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`</parent1>` +
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`</result>`,
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},
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{
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Value: &Service{Port: &Port{Number: "80"}},
|
|
ExpectXML: `<service><host><port>80</port></host></service>`,
|
|
},
|
|
{
|
|
Value: &Service{},
|
|
ExpectXML: `<service></service>`,
|
|
},
|
|
{
|
|
Value: &Service{Port: &Port{Number: "80"}, Extra1: "A", Extra2: "B"},
|
|
ExpectXML: `<service>` +
|
|
`<host><port>80</port></host>` +
|
|
`<Extra1>A</Extra1>` +
|
|
`<host><extra2>B</extra2></host>` +
|
|
`</service>`,
|
|
MarshalOnly: true,
|
|
},
|
|
{
|
|
Value: &Service{Port: &Port{Number: "80"}, Extra2: "example"},
|
|
ExpectXML: `<service>` +
|
|
`<host><port>80</port></host>` +
|
|
`<host><extra2>example</extra2></host>` +
|
|
`</service>`,
|
|
MarshalOnly: true,
|
|
},
|
|
|
|
// Test struct embedding
|
|
{
|
|
Value: &EmbedA{
|
|
EmbedC: EmbedC{
|
|
FieldA1: "", // Shadowed by A.A
|
|
FieldA2: "", // Shadowed by A.A
|
|
FieldB: "A.C.B",
|
|
FieldC: "A.C.C",
|
|
},
|
|
EmbedB: EmbedB{
|
|
FieldB: "A.B.B",
|
|
EmbedC: &EmbedC{
|
|
FieldA1: "A.B.C.A1",
|
|
FieldA2: "A.B.C.A2",
|
|
FieldB: "", // Shadowed by A.B.B
|
|
FieldC: "A.B.C.C",
|
|
},
|
|
},
|
|
FieldA: "A.A",
|
|
},
|
|
ExpectXML: `<EmbedA>` +
|
|
`<FieldB>A.C.B</FieldB>` +
|
|
`<FieldC>A.C.C</FieldC>` +
|
|
`<EmbedB>` +
|
|
`<FieldB>A.B.B</FieldB>` +
|
|
`<FieldA>` +
|
|
`<A1>A.B.C.A1</A1>` +
|
|
`<A2>A.B.C.A2</A2>` +
|
|
`</FieldA>` +
|
|
`<FieldC>A.B.C.C</FieldC>` +
|
|
`</EmbedB>` +
|
|
`<FieldA>A.A</FieldA>` +
|
|
`</EmbedA>`,
|
|
},
|
|
|
|
// Test that name casing matters
|
|
{
|
|
Value: &NameCasing{Xy: "mixed", XY: "upper", XyA: "mixedA", XYA: "upperA"},
|
|
ExpectXML: `<casing Xy="mixedA" XY="upperA"><Xy>mixed</Xy><XY>upper</XY></casing>`,
|
|
},
|
|
|
|
// Test the order in which the XML element name is chosen
|
|
{
|
|
Value: &NamePrecedence{
|
|
FromTag: XMLNameWithoutTag{Value: "A"},
|
|
FromNameVal: XMLNameWithoutTag{XMLName: Name{Local: "InXMLName"}, Value: "B"},
|
|
FromNameTag: XMLNameWithTag{Value: "C"},
|
|
InFieldName: "D",
|
|
},
|
|
ExpectXML: `<Parent>` +
|
|
`<InTag>A</InTag>` +
|
|
`<InXMLName>B</InXMLName>` +
|
|
`<InXMLNameTag>C</InXMLNameTag>` +
|
|
`<InFieldName>D</InFieldName>` +
|
|
`</Parent>`,
|
|
MarshalOnly: true,
|
|
},
|
|
{
|
|
Value: &NamePrecedence{
|
|
XMLName: Name{Local: "Parent"},
|
|
FromTag: XMLNameWithoutTag{XMLName: Name{Local: "InTag"}, Value: "A"},
|
|
FromNameVal: XMLNameWithoutTag{XMLName: Name{Local: "FromNameVal"}, Value: "B"},
|
|
FromNameTag: XMLNameWithTag{XMLName: Name{Local: "InXMLNameTag"}, Value: "C"},
|
|
InFieldName: "D",
|
|
},
|
|
ExpectXML: `<Parent>` +
|
|
`<InTag>A</InTag>` +
|
|
`<FromNameVal>B</FromNameVal>` +
|
|
`<InXMLNameTag>C</InXMLNameTag>` +
|
|
`<InFieldName>D</InFieldName>` +
|
|
`</Parent>`,
|
|
UnmarshalOnly: true,
|
|
},
|
|
|
|
// xml.Name works in a plain field as well.
|
|
{
|
|
Value: &NameInField{Name{Space: "ns", Local: "foo"}},
|
|
ExpectXML: `<NameInField><foo xmlns="ns"></foo></NameInField>`,
|
|
},
|
|
{
|
|
Value: &NameInField{Name{Space: "ns", Local: "foo"}},
|
|
ExpectXML: `<NameInField><foo xmlns="ns"><ignore></ignore></foo></NameInField>`,
|
|
UnmarshalOnly: true,
|
|
},
|
|
|
|
// Marshaling zero xml.Name uses the tag or field name.
|
|
{
|
|
Value: &NameInField{},
|
|
ExpectXML: `<NameInField><foo xmlns="ns"></foo></NameInField>`,
|
|
MarshalOnly: true,
|
|
},
|
|
|
|
// Test attributes
|
|
{
|
|
Value: &AttrTest{
|
|
Int: 8,
|
|
Named: 9,
|
|
Float: 23.5,
|
|
Uint8: 255,
|
|
Bool: true,
|
|
Str: "str",
|
|
Bytes: []byte("byt"),
|
|
},
|
|
ExpectXML: `<AttrTest Int="8" int="9" Float="23.5" Uint8="255"` +
|
|
` Bool="true" Str="str" Bytes="byt"></AttrTest>`,
|
|
},
|
|
{
|
|
Value: &AttrTest{Bytes: []byte{}},
|
|
ExpectXML: `<AttrTest Int="0" int="0" Float="0" Uint8="0"` +
|
|
` Bool="false" Str="" Bytes=""></AttrTest>`,
|
|
},
|
|
{
|
|
Value: &OmitAttrTest{
|
|
Int: 8,
|
|
Named: 9,
|
|
Float: 23.5,
|
|
Uint8: 255,
|
|
Bool: true,
|
|
Str: "str",
|
|
Bytes: []byte("byt"),
|
|
},
|
|
ExpectXML: `<OmitAttrTest Int="8" int="9" Float="23.5" Uint8="255"` +
|
|
` Bool="true" Str="str" Bytes="byt"></OmitAttrTest>`,
|
|
},
|
|
{
|
|
Value: &OmitAttrTest{},
|
|
ExpectXML: `<OmitAttrTest></OmitAttrTest>`,
|
|
},
|
|
|
|
// omitempty on fields
|
|
{
|
|
Value: &OmitFieldTest{
|
|
Int: 8,
|
|
Named: 9,
|
|
Float: 23.5,
|
|
Uint8: 255,
|
|
Bool: true,
|
|
Str: "str",
|
|
Bytes: []byte("byt"),
|
|
Ptr: &PresenceTest{},
|
|
},
|
|
ExpectXML: `<OmitFieldTest>` +
|
|
`<Int>8</Int>` +
|
|
`<int>9</int>` +
|
|
`<Float>23.5</Float>` +
|
|
`<Uint8>255</Uint8>` +
|
|
`<Bool>true</Bool>` +
|
|
`<Str>str</Str>` +
|
|
`<Bytes>byt</Bytes>` +
|
|
`<Ptr></Ptr>` +
|
|
`</OmitFieldTest>`,
|
|
},
|
|
{
|
|
Value: &OmitFieldTest{},
|
|
ExpectXML: `<OmitFieldTest></OmitFieldTest>`,
|
|
},
|
|
|
|
// Test ",any"
|
|
{
|
|
ExpectXML: `<a><nested><value>known</value></nested><other><sub>unknown</sub></other></a>`,
|
|
Value: &AnyTest{
|
|
Nested: "known",
|
|
AnyField: AnyHolder{
|
|
XMLName: Name{Local: "other"},
|
|
XML: "<sub>unknown</sub>",
|
|
},
|
|
},
|
|
},
|
|
{
|
|
Value: &AnyTest{Nested: "known",
|
|
AnyField: AnyHolder{
|
|
XML: "<unknown/>",
|
|
XMLName: Name{Local: "AnyField"},
|
|
},
|
|
},
|
|
ExpectXML: `<a><nested><value>known</value></nested><AnyField><unknown/></AnyField></a>`,
|
|
},
|
|
{
|
|
ExpectXML: `<a><nested><value>b</value></nested></a>`,
|
|
Value: &AnyOmitTest{
|
|
Nested: "b",
|
|
},
|
|
},
|
|
{
|
|
ExpectXML: `<a><nested><value>b</value></nested><c><d>e</d></c><g xmlns="f"><h>i</h></g></a>`,
|
|
Value: &AnySliceTest{
|
|
Nested: "b",
|
|
AnyField: []AnyHolder{
|
|
{
|
|
XMLName: Name{Local: "c"},
|
|
XML: "<d>e</d>",
|
|
},
|
|
{
|
|
XMLName: Name{Space: "f", Local: "g"},
|
|
XML: "<h>i</h>",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
ExpectXML: `<a><nested><value>b</value></nested></a>`,
|
|
Value: &AnySliceTest{
|
|
Nested: "b",
|
|
},
|
|
},
|
|
|
|
// Test recursive types.
|
|
{
|
|
Value: &RecurseA{
|
|
A: "a1",
|
|
B: &RecurseB{
|
|
A: &RecurseA{"a2", nil},
|
|
B: "b1",
|
|
},
|
|
},
|
|
ExpectXML: `<RecurseA><A>a1</A><B><A><A>a2</A></A><B>b1</B></B></RecurseA>`,
|
|
},
|
|
|
|
// Test ignoring fields via "-" tag
|
|
{
|
|
ExpectXML: `<IgnoreTest></IgnoreTest>`,
|
|
Value: &IgnoreTest{},
|
|
},
|
|
{
|
|
ExpectXML: `<IgnoreTest></IgnoreTest>`,
|
|
Value: &IgnoreTest{PublicSecret: "can't tell"},
|
|
MarshalOnly: true,
|
|
},
|
|
{
|
|
ExpectXML: `<IgnoreTest><PublicSecret>ignore me</PublicSecret></IgnoreTest>`,
|
|
Value: &IgnoreTest{},
|
|
UnmarshalOnly: true,
|
|
},
|
|
|
|
// Test escaping.
|
|
{
|
|
ExpectXML: `<a><nested><value>dquote: "; squote: '; ampersand: &; less: <; greater: >;</value></nested><empty></empty></a>`,
|
|
Value: &AnyTest{
|
|
Nested: `dquote: "; squote: '; ampersand: &; less: <; greater: >;`,
|
|
AnyField: AnyHolder{XMLName: Name{Local: "empty"}},
|
|
},
|
|
},
|
|
{
|
|
ExpectXML: `<a><nested><value>newline: 
; cr: 
; tab: 	;</value></nested><AnyField></AnyField></a>`,
|
|
Value: &AnyTest{
|
|
Nested: "newline: \n; cr: \r; tab: \t;",
|
|
AnyField: AnyHolder{XMLName: Name{Local: "AnyField"}},
|
|
},
|
|
},
|
|
{
|
|
ExpectXML: "<a><nested><value>1\r2\r\n3\n\r4\n5</value></nested></a>",
|
|
Value: &AnyTest{
|
|
Nested: "1\n2\n3\n\n4\n5",
|
|
},
|
|
UnmarshalOnly: true,
|
|
},
|
|
{
|
|
ExpectXML: `<EmbedInt><MyInt>42</MyInt></EmbedInt>`,
|
|
Value: &EmbedInt{
|
|
MyInt: 42,
|
|
},
|
|
},
|
|
// Test omitempty with parent chain; see golang.org/issue/4168.
|
|
{
|
|
ExpectXML: `<Strings><A></A></Strings>`,
|
|
Value: &Strings{},
|
|
},
|
|
}
|
|
|
|
func TestMarshal(t *testing.T) {
|
|
for idx, test := range marshalTests {
|
|
if test.UnmarshalOnly {
|
|
continue
|
|
}
|
|
data, err := Marshal(test.Value)
|
|
if err != nil {
|
|
t.Errorf("#%d: Error: %s", idx, err)
|
|
continue
|
|
}
|
|
if got, want := string(data), test.ExpectXML; got != want {
|
|
if strings.Contains(want, "\n") {
|
|
t.Errorf("#%d: marshal(%#v):\nHAVE:\n%s\nWANT:\n%s", idx, test.Value, got, want)
|
|
} else {
|
|
t.Errorf("#%d: marshal(%#v):\nhave %#q\nwant %#q", idx, test.Value, got, want)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
type AttrParent struct {
|
|
X string `xml:"X>Y,attr"`
|
|
}
|
|
|
|
var marshalErrorTests = []struct {
|
|
Value interface{}
|
|
Err string
|
|
Kind reflect.Kind
|
|
}{
|
|
{
|
|
Value: make(chan bool),
|
|
Err: "xml: unsupported type: chan bool",
|
|
Kind: reflect.Chan,
|
|
},
|
|
{
|
|
Value: map[string]string{
|
|
"question": "What do you get when you multiply six by nine?",
|
|
"answer": "42",
|
|
},
|
|
Err: "xml: unsupported type: map[string]string",
|
|
Kind: reflect.Map,
|
|
},
|
|
{
|
|
Value: map[*Ship]bool{nil: false},
|
|
Err: "xml: unsupported type: map[*xml.Ship]bool",
|
|
Kind: reflect.Map,
|
|
},
|
|
{
|
|
Value: &Domain{Comment: []byte("f--bar")},
|
|
Err: `xml: comments must not contain "--"`,
|
|
},
|
|
// Reject parent chain with attr, never worked; see golang.org/issue/5033.
|
|
{
|
|
Value: &AttrParent{},
|
|
Err: `xml: X>Y chain not valid with attr flag`,
|
|
},
|
|
}
|
|
|
|
var marshalIndentTests = []struct {
|
|
Value interface{}
|
|
Prefix string
|
|
Indent string
|
|
ExpectXML string
|
|
}{
|
|
{
|
|
Value: &SecretAgent{
|
|
Handle: "007",
|
|
Identity: "James Bond",
|
|
Obfuscate: "<redacted/>",
|
|
},
|
|
Prefix: "",
|
|
Indent: "\t",
|
|
ExpectXML: fmt.Sprintf("<agent handle=\"007\">\n\t<Identity>James Bond</Identity><redacted/>\n</agent>"),
|
|
},
|
|
}
|
|
|
|
func TestMarshalErrors(t *testing.T) {
|
|
for idx, test := range marshalErrorTests {
|
|
data, err := Marshal(test.Value)
|
|
if err == nil {
|
|
t.Errorf("#%d: marshal(%#v) = [success] %q, want error %v", idx, test.Value, data, test.Err)
|
|
continue
|
|
}
|
|
if err.Error() != test.Err {
|
|
t.Errorf("#%d: marshal(%#v) = [error] %v, want %v", idx, test.Value, err, test.Err)
|
|
}
|
|
if test.Kind != reflect.Invalid {
|
|
if kind := err.(*UnsupportedTypeError).Type.Kind(); kind != test.Kind {
|
|
t.Errorf("#%d: marshal(%#v) = [error kind] %s, want %s", idx, test.Value, kind, test.Kind)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Do invertibility testing on the various structures that we test
|
|
func TestUnmarshal(t *testing.T) {
|
|
for i, test := range marshalTests {
|
|
if test.MarshalOnly {
|
|
continue
|
|
}
|
|
if _, ok := test.Value.(*Plain); ok {
|
|
continue
|
|
}
|
|
|
|
vt := reflect.TypeOf(test.Value)
|
|
dest := reflect.New(vt.Elem()).Interface()
|
|
err := Unmarshal([]byte(test.ExpectXML), dest)
|
|
|
|
switch fix := dest.(type) {
|
|
case *Feed:
|
|
fix.Author.InnerXML = ""
|
|
for i := range fix.Entry {
|
|
fix.Entry[i].Author.InnerXML = ""
|
|
}
|
|
}
|
|
|
|
if err != nil {
|
|
t.Errorf("#%d: unexpected error: %#v", i, err)
|
|
} else if got, want := dest, test.Value; !reflect.DeepEqual(got, want) {
|
|
t.Errorf("#%d: unmarshal(%q):\nhave %#v\nwant %#v", i, test.ExpectXML, got, want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestMarshalIndent(t *testing.T) {
|
|
for i, test := range marshalIndentTests {
|
|
data, err := MarshalIndent(test.Value, test.Prefix, test.Indent)
|
|
if err != nil {
|
|
t.Errorf("#%d: Error: %s", i, err)
|
|
continue
|
|
}
|
|
if got, want := string(data), test.ExpectXML; got != want {
|
|
t.Errorf("#%d: MarshalIndent:\nGot:%s\nWant:\n%s", i, got, want)
|
|
}
|
|
}
|
|
}
|
|
|
|
type limitedBytesWriter struct {
|
|
w io.Writer
|
|
remain int // until writes fail
|
|
}
|
|
|
|
func (lw *limitedBytesWriter) Write(p []byte) (n int, err error) {
|
|
if lw.remain <= 0 {
|
|
println("error")
|
|
return 0, errors.New("write limit hit")
|
|
}
|
|
if len(p) > lw.remain {
|
|
p = p[:lw.remain]
|
|
n, _ = lw.w.Write(p)
|
|
lw.remain = 0
|
|
return n, errors.New("write limit hit")
|
|
}
|
|
n, err = lw.w.Write(p)
|
|
lw.remain -= n
|
|
return n, err
|
|
}
|
|
|
|
func TestMarshalWriteErrors(t *testing.T) {
|
|
var buf bytes.Buffer
|
|
const writeCap = 1024
|
|
w := &limitedBytesWriter{&buf, writeCap}
|
|
enc := NewEncoder(w)
|
|
var err error
|
|
var i int
|
|
const n = 4000
|
|
for i = 1; i <= n; i++ {
|
|
err = enc.Encode(&Passenger{
|
|
Name: []string{"Alice", "Bob"},
|
|
Weight: 5,
|
|
})
|
|
if err != nil {
|
|
break
|
|
}
|
|
}
|
|
if err == nil {
|
|
t.Error("expected an error")
|
|
}
|
|
if i == n {
|
|
t.Errorf("expected to fail before the end")
|
|
}
|
|
if buf.Len() != writeCap {
|
|
t.Errorf("buf.Len() = %d; want %d", buf.Len(), writeCap)
|
|
}
|
|
}
|
|
|
|
func TestMarshalWriteIOErrors(t *testing.T) {
|
|
enc := NewEncoder(errWriter{})
|
|
|
|
expectErr := "unwritable"
|
|
err := enc.Encode(&Passenger{})
|
|
if err == nil || err.Error() != expectErr {
|
|
t.Errorf("EscapeTest = [error] %v, want %v", err, expectErr)
|
|
}
|
|
}
|
|
|
|
func BenchmarkMarshal(b *testing.B) {
|
|
for i := 0; i < b.N; i++ {
|
|
Marshal(atomValue)
|
|
}
|
|
}
|
|
|
|
func BenchmarkUnmarshal(b *testing.B) {
|
|
xml := []byte(atomXml)
|
|
for i := 0; i < b.N; i++ {
|
|
Unmarshal(xml, &Feed{})
|
|
}
|
|
}
|