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// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// https://github.com/golang/protobuf
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package proto_test
import (
"fmt"
"math"
"testing"
. "github.com/golang/protobuf/proto"
proto3pb "github.com/golang/protobuf/proto/proto3_proto"
. "github.com/golang/protobuf/proto/test_proto"
)
type UnmarshalTextTest struct {
in string
err string // if "", no error expected
out *MyMessage
}
func buildExtStructTest(text string) UnmarshalTextTest {
msg := &MyMessage{
Count: Int32(42),
}
SetExtension(msg, E_Ext_More, &Ext{
Data: String("Hello, world!"),
})
return UnmarshalTextTest{in: text, out: msg}
}
func buildExtDataTest(text string) UnmarshalTextTest {
msg := &MyMessage{
Count: Int32(42),
}
SetExtension(msg, E_Ext_Text, String("Hello, world!"))
SetExtension(msg, E_Ext_Number, Int32(1729))
return UnmarshalTextTest{in: text, out: msg}
}
func buildExtRepStringTest(text string) UnmarshalTextTest {
msg := &MyMessage{
Count: Int32(42),
}
if err := SetExtension(msg, E_Greeting, []string{"bula", "hola"}); err != nil {
panic(err)
}
return UnmarshalTextTest{in: text, out: msg}
}
var unMarshalTextTests = []UnmarshalTextTest{
// Basic
{
in: " count:42\n name:\"Dave\" ",
out: &MyMessage{
Count: Int32(42),
Name: String("Dave"),
},
},
// Empty quoted string
{
in: `count:42 name:""`,
out: &MyMessage{
Count: Int32(42),
Name: String(""),
},
},
// Quoted string concatenation with double quotes
{
in: `count:42 name: "My name is "` + "\n" + `"elsewhere"`,
out: &MyMessage{
Count: Int32(42),
Name: String("My name is elsewhere"),
},
},
// Quoted string concatenation with single quotes
{
in: "count:42 name: 'My name is '\n'elsewhere'",
out: &MyMessage{
Count: Int32(42),
Name: String("My name is elsewhere"),
},
},
// Quoted string concatenations with mixed quotes
{
in: "count:42 name: 'My name is '\n\"elsewhere\"",
out: &MyMessage{
Count: Int32(42),
Name: String("My name is elsewhere"),
},
},
{
in: "count:42 name: \"My name is \"\n'elsewhere'",
out: &MyMessage{
Count: Int32(42),
Name: String("My name is elsewhere"),
},
},
// Quoted string with escaped apostrophe
{
in: `count:42 name: "HOLIDAY - New Year\'s Day"`,
out: &MyMessage{
Count: Int32(42),
Name: String("HOLIDAY - New Year's Day"),
},
},
// Quoted string with single quote
{
in: `count:42 name: 'Roger "The Ramster" Ramjet'`,
out: &MyMessage{
Count: Int32(42),
Name: String(`Roger "The Ramster" Ramjet`),
},
},
// Quoted string with all the accepted special characters from the C++ test
{
in: `count:42 name: ` + "\"\\\"A string with \\' characters \\n and \\r newlines and \\t tabs and \\001 slashes \\\\ and multiple spaces\"",
out: &MyMessage{
Count: Int32(42),
Name: String("\"A string with ' characters \n and \r newlines and \t tabs and \001 slashes \\ and multiple spaces"),
},
},
// Quoted string with quoted backslash
{
in: `count:42 name: "\\'xyz"`,
out: &MyMessage{
Count: Int32(42),
Name: String(`\'xyz`),
},
},
// Quoted string with UTF-8 bytes.
{
in: "count:42 name: '\303\277\302\201\x00\xAB\xCD\xEF'",
out: &MyMessage{
Count: Int32(42),
Name: String("\303\277\302\201\x00\xAB\xCD\xEF"),
},
},
// Quoted string with unicode escapes.
{
in: `count: 42 name: "\u0047\U00000047\uffff\U0010ffff"`,
out: &MyMessage{
Count: Int32(42),
Name: String("GG\uffff\U0010ffff"),
},
},
// Bad quoted string
{
in: `inner: < host: "\0" >` + "\n",
err: `line 1.15: invalid quoted string "\0": \0 requires 2 following digits`,
},
// Bad \u escape
{
in: `count: 42 name: "\u000"`,
err: `line 1.16: invalid quoted string "\u000": \u requires 4 following digits`,
},
// Bad \U escape
{
in: `count: 42 name: "\U0000000"`,
err: `line 1.16: invalid quoted string "\U0000000": \U requires 8 following digits`,
},
// Bad \U escape
{
in: `count: 42 name: "\xxx"`,
err: `line 1.16: invalid quoted string "\xxx": \xxx contains non-hexadecimal digits`,
},
// Number too large for int64
{
in: "count: 1 others { key: 123456789012345678901 }",
err: "line 1.23: invalid int64: 123456789012345678901",
},
// Number too large for int32
{
in: "count: 1234567890123",
err: "line 1.7: invalid int32: 1234567890123",
},
// Number in hexadecimal
{
in: "count: 0x2beef",
out: &MyMessage{
Count: Int32(0x2beef),
},
},
// Number in octal
{
in: "count: 024601",
out: &MyMessage{
Count: Int32(024601),
},
},
// Floating point number with "f" suffix
{
in: "count: 4 others:< weight: 17.0f >",
out: &MyMessage{
Count: Int32(4),
Others: []*OtherMessage{
{
Weight: Float32(17),
},
},
},
},
// Floating point positive infinity
{
in: "count: 4 bigfloat: inf",
out: &MyMessage{
Count: Int32(4),
Bigfloat: Float64(math.Inf(1)),
},
},
// Floating point negative infinity
{
in: "count: 4 bigfloat: -inf",
out: &MyMessage{
Count: Int32(4),
Bigfloat: Float64(math.Inf(-1)),
},
},
// Number too large for float32
{
in: "others:< weight: 12345678901234567890123456789012345678901234567890 >",
err: "line 1.17: invalid float32: 12345678901234567890123456789012345678901234567890",
},
// Number posing as a quoted string
{
in: `inner: < host: 12 >` + "\n",
err: `line 1.15: invalid string: 12`,
},
// Quoted string posing as int32
{
in: `count: "12"`,
err: `line 1.7: invalid int32: "12"`,
},
// Quoted string posing a float32
{
in: `others:< weight: "17.4" >`,
err: `line 1.17: invalid float32: "17.4"`,
},
// unclosed bracket doesn't cause infinite loop
{
in: `[`,
err: `line 1.0: unclosed type_url or extension name`,
},
// Enum
{
in: `count:42 bikeshed: BLUE`,
out: &MyMessage{
Count: Int32(42),
Bikeshed: MyMessage_BLUE.Enum(),
},
},
// Repeated field
{
in: `count:42 pet: "horsey" pet:"bunny"`,
out: &MyMessage{
Count: Int32(42),
Pet: []string{"horsey", "bunny"},
},
},
// Repeated field with list notation
{
in: `count:42 pet: ["horsey", "bunny"]`,
out: &MyMessage{
Count: Int32(42),
Pet: []string{"horsey", "bunny"},
},
},
// Repeated message with/without colon and <>/{}
{
in: `count:42 others:{} others{} others:<> others:{}`,
out: &MyMessage{
Count: Int32(42),
Others: []*OtherMessage{
{},
{},
{},
{},
},
},
},
// Missing colon for inner message
{
in: `count:42 inner < host: "cauchy.syd" >`,
out: &MyMessage{
Count: Int32(42),
Inner: &InnerMessage{
Host: String("cauchy.syd"),
},
},
},
// Missing colon for string field
{
in: `name "Dave"`,
err: `line 1.5: expected ':', found "\"Dave\""`,
},
// Missing colon for int32 field
{
in: `count 42`,
err: `line 1.6: expected ':', found "42"`,
},
// Missing required field
{
in: `name: "Pawel"`,
err: fmt.Sprintf(`proto: required field "%T.count" not set`, MyMessage{}),
out: &MyMessage{
Name: String("Pawel"),
},
},
// Missing required field in a required submessage
{
in: `count: 42 we_must_go_deeper < leo_finally_won_an_oscar <> >`,
err: fmt.Sprintf(`proto: required field "%T.host" not set`, InnerMessage{}),
out: &MyMessage{
Count: Int32(42),
WeMustGoDeeper: &RequiredInnerMessage{LeoFinallyWonAnOscar: &InnerMessage{}},
},
},
// Repeated non-repeated field
{
in: `name: "Rob" name: "Russ"`,
err: `line 1.12: non-repeated field "name" was repeated`,
},
// Group
{
in: `count: 17 SomeGroup { group_field: 12 }`,
out: &MyMessage{
Count: Int32(17),
Somegroup: &MyMessage_SomeGroup{
GroupField: Int32(12),
},
},
},
// Semicolon between fields
{
in: `count:3;name:"Calvin"`,
out: &MyMessage{
Count: Int32(3),
Name: String("Calvin"),
},
},
// Comma between fields
{
in: `count:4,name:"Ezekiel"`,
out: &MyMessage{
Count: Int32(4),
Name: String("Ezekiel"),
},
},
// Boolean false
{
in: `count:42 inner { host: "example.com" connected: false }`,
out: &MyMessage{
Count: Int32(42),
Inner: &InnerMessage{
Host: String("example.com"),
Connected: Bool(false),
},
},
},
// Boolean true
{
in: `count:42 inner { host: "example.com" connected: true }`,
out: &MyMessage{
Count: Int32(42),
Inner: &InnerMessage{
Host: String("example.com"),
Connected: Bool(true),
},
},
},
// Boolean 0
{
in: `count:42 inner { host: "example.com" connected: 0 }`,
out: &MyMessage{
Count: Int32(42),
Inner: &InnerMessage{
Host: String("example.com"),
Connected: Bool(false),
},
},
},
// Boolean 1
{
in: `count:42 inner { host: "example.com" connected: 1 }`,
out: &MyMessage{
Count: Int32(42),
Inner: &InnerMessage{
Host: String("example.com"),
Connected: Bool(true),
},
},
},
// Boolean f
{
in: `count:42 inner { host: "example.com" connected: f }`,
out: &MyMessage{
Count: Int32(42),
Inner: &InnerMessage{
Host: String("example.com"),
Connected: Bool(false),
},
},
},
// Boolean t
{
in: `count:42 inner { host: "example.com" connected: t }`,
out: &MyMessage{
Count: Int32(42),
Inner: &InnerMessage{
Host: String("example.com"),
Connected: Bool(true),
},
},
},
// Boolean False
{
in: `count:42 inner { host: "example.com" connected: False }`,
out: &MyMessage{
Count: Int32(42),
Inner: &InnerMessage{
Host: String("example.com"),
Connected: Bool(false),
},
},
},
// Boolean True
{
in: `count:42 inner { host: "example.com" connected: True }`,
out: &MyMessage{
Count: Int32(42),
Inner: &InnerMessage{
Host: String("example.com"),
Connected: Bool(true),
},
},
},
// Extension
buildExtStructTest(`count: 42 [test_proto.Ext.more]:<data:"Hello, world!" >`),
buildExtStructTest(`count: 42 [test_proto.Ext.more] {data:"Hello, world!"}`),
buildExtDataTest(`count: 42 [test_proto.Ext.text]:"Hello, world!" [test_proto.Ext.number]:1729`),
buildExtRepStringTest(`count: 42 [test_proto.greeting]:"bula" [test_proto.greeting]:"hola"`),
// Big all-in-one
{
in: "count:42 # Meaning\n" +
`name:"Dave" ` +
`quote:"\"I didn't want to go.\"" ` +
`pet:"bunny" ` +
`pet:"kitty" ` +
`pet:"horsey" ` +
`inner:<` +
` host:"footrest.syd" ` +
` port:7001 ` +
` connected:true ` +
`> ` +
`others:<` +
` key:3735928559 ` +
` value:"\x01A\a\f" ` +
`> ` +
`others:<` +
" weight:58.9 # Atomic weight of Co\n" +
` inner:<` +
` host:"lesha.mtv" ` +
` port:8002 ` +
` >` +
`>`,
out: &MyMessage{
Count: Int32(42),
Name: String("Dave"),
Quote: String(`"I didn't want to go."`),
Pet: []string{"bunny", "kitty", "horsey"},
Inner: &InnerMessage{
Host: String("footrest.syd"),
Port: Int32(7001),
Connected: Bool(true),
},
Others: []*OtherMessage{
{
Key: Int64(3735928559),
Value: []byte{0x1, 'A', '\a', '\f'},
},
{
Weight: Float32(58.9),
Inner: &InnerMessage{
Host: String("lesha.mtv"),
Port: Int32(8002),
},
},
},
},
},
}
func TestUnmarshalText(t *testing.T) {
for i, test := range unMarshalTextTests {
pb := new(MyMessage)
err := UnmarshalText(test.in, pb)
if test.err == "" {
// We don't expect failure.
if err != nil {
t.Errorf("Test %d: Unexpected error: %v", i, err)
} else if !Equal(pb, test.out) {
t.Errorf("Test %d: Incorrect populated \nHave: %v\nWant: %v",
i, pb, test.out)
}
} else {
// We do expect failure.
if err == nil {
t.Errorf("Test %d: Didn't get expected error: %v", i, test.err)
} else if err.Error() != test.err {
t.Errorf("Test %d: Incorrect error.\nHave: %v\nWant: %v",
i, err.Error(), test.err)
} else if _, ok := err.(*RequiredNotSetError); ok && test.out != nil && !Equal(pb, test.out) {
t.Errorf("Test %d: Incorrect populated \nHave: %v\nWant: %v",
i, pb, test.out)
}
}
}
}
func TestUnmarshalTextCustomMessage(t *testing.T) {
msg := &textMessage{}
if err := UnmarshalText("custom", msg); err != nil {
t.Errorf("Unexpected error from custom unmarshal: %v", err)
}
if UnmarshalText("not custom", msg) == nil {
t.Errorf("Didn't get expected error from custom unmarshal")
}
}
// Regression test; this caused a panic.
func TestRepeatedEnum(t *testing.T) {
pb := new(RepeatedEnum)
if err := UnmarshalText("color: RED", pb); err != nil {
t.Fatal(err)
}
exp := &RepeatedEnum{
Color: []RepeatedEnum_Color{RepeatedEnum_RED},
}
if !Equal(pb, exp) {
t.Errorf("Incorrect populated \nHave: %v\nWant: %v", pb, exp)
}
}
func TestProto3TextParsing(t *testing.T) {
m := new(proto3pb.Message)
const in = `name: "Wallace" true_scotsman: true`
want := &proto3pb.Message{
Name: "Wallace",
TrueScotsman: true,
}
if err := UnmarshalText(in, m); err != nil {
t.Fatal(err)
}
if !Equal(m, want) {
t.Errorf("\n got %v\nwant %v", m, want)
}
}
func TestMapParsing(t *testing.T) {
m := new(MessageWithMap)
const in = `name_mapping:<key:1234 value:"Feist"> name_mapping:<key:1 value:"Beatles">` +
`msg_mapping:<key:-4, value:<f: 2.0>,>` + // separating commas are okay
`msg_mapping<key:-2 value<f: 4.0>>` + // no colon after "value"
`msg_mapping:<value:<f: 5.0>>` + // omitted key
`msg_mapping:<key:1>` + // omitted value
`byte_mapping:<key:true value:"so be it">` +
`byte_mapping:<>` // omitted key and value
want := &MessageWithMap{
NameMapping: map[int32]string{
1: "Beatles",
1234: "Feist",
},
MsgMapping: map[int64]*FloatingPoint{
-4: {F: Float64(2.0)},
-2: {F: Float64(4.0)},
0: {F: Float64(5.0)},
1: nil,
},
ByteMapping: map[bool][]byte{
false: nil,
true: []byte("so be it"),
},
}
if err := UnmarshalText(in, m); err != nil {
t.Fatal(err)
}
if !Equal(m, want) {
t.Errorf("\n got %v\nwant %v", m, want)
}
}
func TestOneofParsing(t *testing.T) {
const in = `name:"Shrek"`
m := new(Communique)
want := &Communique{Union: &Communique_Name{"Shrek"}}
if err := UnmarshalText(in, m); err != nil {
t.Fatal(err)
}
if !Equal(m, want) {
t.Errorf("\n got %v\nwant %v", m, want)
}
const inOverwrite = `name:"Shrek" number:42`
m = new(Communique)
testErr := "line 1.13: field 'number' would overwrite already parsed oneof 'Union'"
if err := UnmarshalText(inOverwrite, m); err == nil {
t.Errorf("TestOneofParsing: Didn't get expected error: %v", testErr)
} else if err.Error() != testErr {
t.Errorf("TestOneofParsing: Incorrect error.\nHave: %v\nWant: %v",
err.Error(), testErr)
}
}
var benchInput string
func init() {
benchInput = "count: 4\n"
for i := 0; i < 1000; i++ {
benchInput += "pet: \"fido\"\n"
}
// Check it is valid input.
pb := new(MyMessage)
err := UnmarshalText(benchInput, pb)
if err != nil {
panic("Bad benchmark input: " + err.Error())
}
}
func BenchmarkUnmarshalText(b *testing.B) {
pb := new(MyMessage)
for i := 0; i < b.N; i++ {
UnmarshalText(benchInput, pb)
}
b.SetBytes(int64(len(benchInput)))
}