mirror of
https://github.com/ceph/ceph-csi.git
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301 lines
8.6 KiB
Go
301 lines
8.6 KiB
Go
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// Go support for Protocol Buffers - Google's data interchange format
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//
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// Copyright 2016 The Go Authors. All rights reserved.
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// https://github.com/golang/protobuf
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package proto_test
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import (
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"strings"
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"testing"
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"github.com/golang/protobuf/proto"
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pb "github.com/golang/protobuf/proto/proto3_proto"
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testpb "github.com/golang/protobuf/proto/testdata"
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anypb "github.com/golang/protobuf/ptypes/any"
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)
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var (
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expandedMarshaler = proto.TextMarshaler{ExpandAny: true}
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expandedCompactMarshaler = proto.TextMarshaler{Compact: true, ExpandAny: true}
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)
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// anyEqual reports whether two messages which may be google.protobuf.Any or may
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// contain google.protobuf.Any fields are equal. We can't use proto.Equal for
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// comparison, because semantically equivalent messages may be marshaled to
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// binary in different tag order. Instead, trust that TextMarshaler with
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// ExpandAny option works and compare the text marshaling results.
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func anyEqual(got, want proto.Message) bool {
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// if messages are proto.Equal, no need to marshal.
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if proto.Equal(got, want) {
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return true
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}
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g := expandedMarshaler.Text(got)
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w := expandedMarshaler.Text(want)
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return g == w
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}
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type golden struct {
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m proto.Message
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t, c string
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}
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var goldenMessages = makeGolden()
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func makeGolden() []golden {
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nested := &pb.Nested{Bunny: "Monty"}
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nb, err := proto.Marshal(nested)
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if err != nil {
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panic(err)
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}
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m1 := &pb.Message{
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Name: "David",
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ResultCount: 47,
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Anything: &anypb.Any{TypeUrl: "type.googleapis.com/" + proto.MessageName(nested), Value: nb},
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}
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m2 := &pb.Message{
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Name: "David",
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ResultCount: 47,
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Anything: &anypb.Any{TypeUrl: "http://[::1]/type.googleapis.com/" + proto.MessageName(nested), Value: nb},
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}
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m3 := &pb.Message{
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Name: "David",
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ResultCount: 47,
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Anything: &anypb.Any{TypeUrl: `type.googleapis.com/"/` + proto.MessageName(nested), Value: nb},
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}
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m4 := &pb.Message{
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Name: "David",
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ResultCount: 47,
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Anything: &anypb.Any{TypeUrl: "type.googleapis.com/a/path/" + proto.MessageName(nested), Value: nb},
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}
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m5 := &anypb.Any{TypeUrl: "type.googleapis.com/" + proto.MessageName(nested), Value: nb}
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any1 := &testpb.MyMessage{Count: proto.Int32(47), Name: proto.String("David")}
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proto.SetExtension(any1, testpb.E_Ext_More, &testpb.Ext{Data: proto.String("foo")})
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proto.SetExtension(any1, testpb.E_Ext_Text, proto.String("bar"))
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any1b, err := proto.Marshal(any1)
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if err != nil {
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panic(err)
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}
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any2 := &testpb.MyMessage{Count: proto.Int32(42), Bikeshed: testpb.MyMessage_GREEN.Enum(), RepBytes: [][]byte{[]byte("roboto")}}
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proto.SetExtension(any2, testpb.E_Ext_More, &testpb.Ext{Data: proto.String("baz")})
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any2b, err := proto.Marshal(any2)
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if err != nil {
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panic(err)
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}
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m6 := &pb.Message{
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Name: "David",
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ResultCount: 47,
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Anything: &anypb.Any{TypeUrl: "type.googleapis.com/" + proto.MessageName(any1), Value: any1b},
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ManyThings: []*anypb.Any{
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&anypb.Any{TypeUrl: "type.googleapis.com/" + proto.MessageName(any2), Value: any2b},
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&anypb.Any{TypeUrl: "type.googleapis.com/" + proto.MessageName(any1), Value: any1b},
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},
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}
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const (
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m1Golden = `
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name: "David"
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result_count: 47
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anything: <
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[type.googleapis.com/proto3_proto.Nested]: <
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bunny: "Monty"
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>
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>
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`
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m2Golden = `
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name: "David"
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result_count: 47
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anything: <
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["http://[::1]/type.googleapis.com/proto3_proto.Nested"]: <
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bunny: "Monty"
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>
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>
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`
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m3Golden = `
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name: "David"
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result_count: 47
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anything: <
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["type.googleapis.com/\"/proto3_proto.Nested"]: <
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bunny: "Monty"
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>
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>
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`
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m4Golden = `
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name: "David"
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result_count: 47
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anything: <
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[type.googleapis.com/a/path/proto3_proto.Nested]: <
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bunny: "Monty"
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>
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>
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`
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m5Golden = `
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[type.googleapis.com/proto3_proto.Nested]: <
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bunny: "Monty"
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>
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`
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m6Golden = `
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name: "David"
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result_count: 47
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anything: <
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[type.googleapis.com/testdata.MyMessage]: <
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count: 47
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name: "David"
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[testdata.Ext.more]: <
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data: "foo"
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>
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[testdata.Ext.text]: "bar"
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>
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>
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many_things: <
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[type.googleapis.com/testdata.MyMessage]: <
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count: 42
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bikeshed: GREEN
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rep_bytes: "roboto"
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[testdata.Ext.more]: <
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data: "baz"
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>
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>
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>
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many_things: <
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[type.googleapis.com/testdata.MyMessage]: <
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count: 47
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name: "David"
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[testdata.Ext.more]: <
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data: "foo"
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>
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[testdata.Ext.text]: "bar"
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>
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>
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`
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)
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return []golden{
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{m1, strings.TrimSpace(m1Golden) + "\n", strings.TrimSpace(compact(m1Golden)) + " "},
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{m2, strings.TrimSpace(m2Golden) + "\n", strings.TrimSpace(compact(m2Golden)) + " "},
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{m3, strings.TrimSpace(m3Golden) + "\n", strings.TrimSpace(compact(m3Golden)) + " "},
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{m4, strings.TrimSpace(m4Golden) + "\n", strings.TrimSpace(compact(m4Golden)) + " "},
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{m5, strings.TrimSpace(m5Golden) + "\n", strings.TrimSpace(compact(m5Golden)) + " "},
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{m6, strings.TrimSpace(m6Golden) + "\n", strings.TrimSpace(compact(m6Golden)) + " "},
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}
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}
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func TestMarshalGolden(t *testing.T) {
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for _, tt := range goldenMessages {
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if got, want := expandedMarshaler.Text(tt.m), tt.t; got != want {
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t.Errorf("message %v: got:\n%s\nwant:\n%s", tt.m, got, want)
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}
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if got, want := expandedCompactMarshaler.Text(tt.m), tt.c; got != want {
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t.Errorf("message %v: got:\n`%s`\nwant:\n`%s`", tt.m, got, want)
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}
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}
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}
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func TestUnmarshalGolden(t *testing.T) {
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for _, tt := range goldenMessages {
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want := tt.m
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got := proto.Clone(tt.m)
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got.Reset()
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if err := proto.UnmarshalText(tt.t, got); err != nil {
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t.Errorf("failed to unmarshal\n%s\nerror: %v", tt.t, err)
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}
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if !anyEqual(got, want) {
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t.Errorf("message:\n%s\ngot:\n%s\nwant:\n%s", tt.t, got, want)
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}
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got.Reset()
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if err := proto.UnmarshalText(tt.c, got); err != nil {
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t.Errorf("failed to unmarshal\n%s\nerror: %v", tt.c, err)
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}
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if !anyEqual(got, want) {
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t.Errorf("message:\n%s\ngot:\n%s\nwant:\n%s", tt.c, got, want)
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}
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}
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}
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func TestMarshalUnknownAny(t *testing.T) {
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m := &pb.Message{
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Anything: &anypb.Any{
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TypeUrl: "foo",
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Value: []byte("bar"),
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},
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}
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want := `anything: <
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type_url: "foo"
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value: "bar"
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>
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`
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got := expandedMarshaler.Text(m)
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if got != want {
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t.Errorf("got\n`%s`\nwant\n`%s`", got, want)
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}
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}
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func TestAmbiguousAny(t *testing.T) {
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pb := &anypb.Any{}
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err := proto.UnmarshalText(`
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type_url: "ttt/proto3_proto.Nested"
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value: "\n\x05Monty"
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`, pb)
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t.Logf("result: %v (error: %v)", expandedMarshaler.Text(pb), err)
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if err != nil {
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t.Errorf("failed to parse ambiguous Any message: %v", err)
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}
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}
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func TestUnmarshalOverwriteAny(t *testing.T) {
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pb := &anypb.Any{}
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err := proto.UnmarshalText(`
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[type.googleapis.com/a/path/proto3_proto.Nested]: <
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bunny: "Monty"
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>
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[type.googleapis.com/a/path/proto3_proto.Nested]: <
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bunny: "Rabbit of Caerbannog"
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>
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`, pb)
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want := `line 7: Any message unpacked multiple times, or "type_url" already set`
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if err.Error() != want {
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t.Errorf("incorrect error.\nHave: %v\nWant: %v", err.Error(), want)
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}
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}
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func TestUnmarshalAnyMixAndMatch(t *testing.T) {
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pb := &anypb.Any{}
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err := proto.UnmarshalText(`
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value: "\n\x05Monty"
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[type.googleapis.com/a/path/proto3_proto.Nested]: <
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bunny: "Rabbit of Caerbannog"
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>
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`, pb)
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want := `line 5: Any message unpacked multiple times, or "value" already set`
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if err.Error() != want {
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t.Errorf("incorrect error.\nHave: %v\nWant: %v", err.Error(), want)
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}
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}
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