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hasher_test.go
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hasher_test.go
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package protoreflecthash
import (
_ "embed"
"encoding/json"
"fmt"
"log"
"math"
"testing"
"github.com/benlaurie/objecthash/go/objecthash"
"github.com/google/go-cmp/cmp"
"google.golang.org/protobuf/encoding/protojson"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/reflect/protodesc"
"google.golang.org/protobuf/reflect/protoreflect"
"google.golang.org/protobuf/reflect/protoregistry"
"google.golang.org/protobuf/types/descriptorpb"
"google.golang.org/protobuf/types/dynamicpb"
"google.golang.org/protobuf/types/known/durationpb"
"google.golang.org/protobuf/types/known/structpb"
"google.golang.org/protobuf/types/known/timestamppb"
"google.golang.org/protobuf/types/known/wrapperspb"
pb2_latest "github.com/stackb/protoreflecthash/test_protos/generated/latest/proto2"
pb3_latest "github.com/stackb/protoreflecthash/test_protos/generated/latest/proto3"
)
//go:embed testdata/protoset.pb
var testProtoset []byte
func TestHashNil(t *testing.T) {
for name, tc := range map[string]struct {
value interface{}
want string
}{
"nil": {
want: "1b16b1df538ba12dc3f97edbb85caa7050d46c148134290feba80f8236c83db9",
},
} {
t.Run(name, func(t *testing.T) {
h := hasher{}
got := getHash(t, func() ([]byte, error) {
return h.hashNil()
})
if diff := cmp.Diff(tc.want, got); diff != "" {
t.Errorf("protohash (-want +got):\n%s", diff)
}
if diff := cmp.Diff(tc.want, objectHash(t, tc.value)); diff != "" {
t.Errorf("objecthash (-want +got):\n%s", diff)
}
})
}
}
func TestHashBool(t *testing.T) {
for name, tc := range map[string]struct {
value bool
want string
}{
"false": {
value: false,
want: "c02c0b965e023abee808f2b548d8d5193a8b5229be6f3121a6f16e2d41a449b3",
},
"true": {
value: true,
want: "7dc96f776c8423e57a2785489a3f9c43fb6e756876d6ad9a9cac4aa4e72ec193",
},
} {
t.Run(name, func(t *testing.T) {
h := hasher{}
got := getHash(t, func() ([]byte, error) {
return h.hashBool(tc.value)
})
if diff := cmp.Diff(tc.want, got); diff != "" {
t.Errorf("protohash (-want +got):\n%s", diff)
}
if diff := cmp.Diff(tc.want, objectHash(t, tc.value)); diff != "" {
t.Errorf("objecthash (-want +got):\n%s", diff)
}
})
}
}
func TestHashInt(t *testing.T) {
for name, tc := range map[string]struct {
value int64
want string
}{
"zero": {
value: 0,
want: "a4e167a76a05add8a8654c169b07b0447a916035aef602df103e8ae0fe2ff390",
},
"positive": {
value: 1,
want: "4cd9b7672d7fbee8fb51fb1e049f690342035f543a8efe734b7b5ffb0c154a45",
},
"min": {
value: math.MinInt,
want: "2df43a3eaece5bb912a43ce16ebdf392e1dd9ce14c16255783ca1f5456d7d04f",
},
"max": {
value: math.MaxInt,
want: "eda7a99bc44462f5181f63a88e2ab9d8d318d68c2c2bf9ff70d9e4ecc2a99df3",
},
} {
t.Run(name, func(t *testing.T) {
h := hasher{}
got := getHash(t, func() ([]byte, error) {
return h.hashInt(tc.value)
})
if diff := cmp.Diff(tc.want, got); diff != "" {
t.Errorf("protohash (-want +got):\n%s", diff)
}
if diff := cmp.Diff(tc.want, objectHash(t, tc.value)); diff != "" {
t.Errorf("objecthash (-want +got):\n%s", diff)
}
})
}
}
func TestHashUint(t *testing.T) {
for name, tc := range map[string]struct {
value uint64
want string
}{
"zero": {
value: 0,
want: "a4e167a76a05add8a8654c169b07b0447a916035aef602df103e8ae0fe2ff390",
},
"positive": {
value: 1,
want: "4cd9b7672d7fbee8fb51fb1e049f690342035f543a8efe734b7b5ffb0c154a45",
},
"max": {
value: math.MaxUint,
want: "5b50a7751238c21772625d9807fc62e2d25ae5bd092d2018f0834d871c5db302",
},
} {
t.Run(name, func(t *testing.T) {
h := hasher{}
got := getHash(t, func() ([]byte, error) {
return h.hashUint(tc.value)
})
if diff := cmp.Diff(tc.want, got); diff != "" {
t.Errorf("protohash (-want +got):\n%s", diff)
}
if diff := cmp.Diff(tc.want, objectHash(t, tc.value)); diff != "" {
t.Errorf("objecthash (-want +got):\n%s", diff)
}
})
}
}
func TestHashFloat(t *testing.T) {
for name, tc := range map[string]struct {
value float64
want string
}{
"zero": {
value: 0,
want: "60101d8c9cb988411468e38909571f357daa67bff5a7b0a3f9ae295cd4aba33d",
},
"neg": {
value: -1.0,
want: "f706daa44d7e40e21ea202c36119057924bb28a49949d8ddaa9c8c3c9367e602",
},
"pos": {
value: +1.0,
want: "f01adc732390ab024d64080e0b173f0ee3a1610efbdd4ce2a13bbf8d9b26c639",
},
} {
t.Run(name, func(t *testing.T) {
h := hasher{}
got := getHash(t, func() ([]byte, error) {
return h.hashFloat(tc.value)
})
if diff := cmp.Diff(tc.want, got); diff != "" {
t.Errorf("protohash (-want +got):\n%s", diff)
}
if diff := cmp.Diff(tc.want, objectHash(t, tc.value)); diff != "" {
t.Errorf("objecthash (-want +got):\n%s", diff)
}
})
}
}
func TestHashString(t *testing.T) {
for name, tc := range map[string]struct {
value string
want string
}{
"zero": {
value: "",
want: "0bfe935e70c321c7ca3afc75ce0d0ca2f98b5422e008bb31c00c6d7f1f1c0ad6",
},
"ascii": {
value: "bob",
want: "5ef421eb52293e5e3919d3c6f08413b873129dd859f4d0ff8273e13a494b9e9e",
},
"unicode": {
value: "你好",
want: "462b68f5e3d75aed5f02841b4ffee068d4cf33ce1b155105b71a9e5f358026df",
},
} {
t.Run(name, func(t *testing.T) {
h := hasher{}
got := getHash(t, func() ([]byte, error) {
return h.hashString(tc.value)
})
if diff := cmp.Diff(tc.want, got); diff != "" {
t.Errorf("protohash (-want +got):\n%s", diff)
}
if diff := cmp.Diff(tc.want, objectHash(t, tc.value)); diff != "" {
t.Errorf("objecthash (-want +got):\n%s", diff)
}
})
}
}
func TestHashBytes(t *testing.T) {
for name, tc := range map[string]struct {
value []byte
want string
}{
"zero": {
value: []byte{},
want: "454349e422f05297191ead13e21d3db520e5abef52055e4964b82fb213f593a1",
},
"ascii": {
value: []byte("bob"),
want: "aa75ac53926e8b0711ee730b4c0d8b232b167180f843da40d6e75871cd0785a5",
},
"unicode": {
value: []byte("你好"),
want: "39fafdc74a5ee3ff86bd0b982304e58f4685767e87f5176307df9c9e1cf50925",
},
} {
t.Run(name, func(t *testing.T) {
h := hasher{}
got := getHash(t, func() ([]byte, error) {
return h.hashBytes(tc.value)
})
if diff := cmp.Diff(tc.want, got); diff != "" {
t.Errorf("protohash (-want +got):\n%s", diff)
}
if diff := cmp.Diff(tc.want, objectHash(t, tc.value)); diff != "" {
t.Errorf("objecthash (-want +got):\n%s", diff)
}
})
}
}
func TestHashList(t *testing.T) {
for name, tc := range map[string]struct {
kind protoreflect.Kind
value protoreflect.List
want string
}{
"zero": {
kind: protoreflect.StringKind,
value: stringList{},
want: "acac86c0e609ca906f632b0e2dacccb2b77d22b0621f20ebece1a4835b93f6f0",
},
"foobar": {
kind: protoreflect.StringKind,
value: stringList{"foo", "bar"},
want: "32ae896c413cfdc79eec68be9139c86ded8b279238467c216cf2bec4d5f1e4a2",
},
} {
t.Run(name, func(t *testing.T) {
h := hasher{}
got := getHash(t, func() ([]byte, error) {
return h.hashList(tc.kind, tc.value)
})
if diff := cmp.Diff(tc.want, got); diff != "" {
t.Errorf("protohash (-want +got):\n%s", diff)
}
if diff := cmp.Diff(tc.want, objectHash(t, tc.value)); diff != "" {
t.Errorf("objecthash (-want +got):\n%s", diff)
}
})
}
}
func TestHashMap(t *testing.T) {
for name, tc := range map[string]struct {
value proto.Message
mapFieldName string
obj interface{}
json string
want string
}{
"IntMaps.int_to_string": {
value: &pb3_latest.IntMaps{IntToString: map[int64]string{0: "ZERO"}},
mapFieldName: "int_to_string",
obj: map[int64]string{0: "ZERO"},
// json: `{0:"ZERO"}`, // can't use json representation in this case
want: "8cda73a524d09ce6fa10b071cacd4c725521b660ee4a546b6ebdbf139370e9b9",
},
"StringMaps.string_to_bool": {
value: &pb3_latest.StringMaps{StringToBool: map[string]bool{"true": true}},
mapFieldName: "string_to_bool",
obj: map[string]bool{"true": true},
json: `{"true":true}`,
want: "d84d7d0593f90628672ccc4fbc89e31c51a847f45f39d98b95ea032c8de25e64",
},
"StringMaps.string_to_string": {
value: &pb3_latest.StringMaps{StringToString: map[string]string{"foo": "bar"}},
mapFieldName: "string_to_string",
obj: map[string]string{"foo": "bar"},
json: `{"foo":"bar"}`,
want: "7ef5237c3027d6c58100afadf37796b3d351025cf28038280147d42fdc53b960",
},
"StringMaps.string_to_string_k123": {
value: &pb3_latest.StringMaps{StringToString: map[string]string{"k1": "v1", "k2": "v2", "k3": "v3"}},
mapFieldName: "string_to_string",
obj: map[string]string{"k1": "v1", "k2": "v2", "k3": "v3"},
json: `{"k1":"v1","k2":"v2","k3":"v3"}`,
want: "ddd65f1f7568269a30df7cafc26044537dc2f02a1a0d830da61762fc3e687057",
},
"StringMaps.string_to_string_k213": {
value: &pb3_latest.StringMaps{StringToString: map[string]string{"k2": "v2", "k1": "v1", "k3": "v3"}},
mapFieldName: "string_to_string",
obj: map[string]string{"k2": "v2", "k1": "v1", "k3": "v3"},
json: `{"k1":"v1","k2":"v2","k3":"v3"}`,
want: "ddd65f1f7568269a30df7cafc26044537dc2f02a1a0d830da61762fc3e687057",
},
//
} {
t.Run(name, func(t *testing.T) {
h := hasher{}
msg := tc.value.ProtoReflect()
fd := msg.Descriptor().Fields().ByName(protoreflect.Name(tc.mapFieldName))
got := getHash(t, func() ([]byte, error) {
return h.hashMap(fd.MapKey(), fd.MapValue(), msg.Get(fd).Map())
})
if diff := cmp.Diff(tc.want, got); diff != "" {
t.Errorf("protohash (-want +got):\n%s", diff)
}
if tc.json != "" {
if diff := cmp.Diff(tc.want, jsonHash(t, tc.json)); diff != "" {
t.Errorf("jsonhash (-want +got):\n%s", diff)
}
}
if tc.obj != nil {
if diff := cmp.Diff(tc.want, objectHash(t, tc.obj)); diff != "" {
t.Errorf("objecthash (-want +got):\n%s", diff)
}
if tc.json != "" {
if diff := cmp.Diff(tc.json, jsonString(t, tc.obj)); diff != "" {
t.Errorf("jsonstring (-want +got):\n%s", diff)
}
}
}
})
}
}
func TestHashEnum(t *testing.T) {
for name, tc := range map[string]struct {
value protoreflect.EnumNumber
want string
}{
"zero": {
value: 0,
want: "a4e167a76a05add8a8654c169b07b0447a916035aef602df103e8ae0fe2ff390",
},
"earth": {
value: pb3_latest.PlanetV1_EARTH_V1.Number(),
want: "9a83c6cb1126d93de4a30715b28f1f4b26b983c57fb39e6d826d7e893ae4ee74",
},
} {
t.Run(name, func(t *testing.T) {
h := hasher{}
got := getHash(t, func() ([]byte, error) {
return h.hashEnum(tc.value)
})
if diff := cmp.Diff(tc.want, got); diff != "" {
t.Errorf("protohash (-want +got):\n%s", diff)
}
if diff := cmp.Diff(tc.want, objectHash(t, tc.value)); diff != "" {
t.Errorf("objecthash (-want +got):\n%s", diff)
}
})
}
}
func TestHashEmpty(t *testing.T) {
emptyHash := "18ac3e7343f016890c510e93f935261169d9e3f565436429830faf0934f4f8e4"
emptyJson := "{}"
if diff := cmp.Diff(emptyHash, jsonHash(t, emptyJson)); diff != "" {
t.Errorf("jsonhash (-want +got):\n%s", diff)
}
for _, tc := range []struct {
msg proto.Message
}{
{&pb2_latest.Empty{}},
{&pb3_latest.Empty{}},
// Empty repeated fields are ignored.
{&pb2_latest.Repetitive{StringField: []string{}}},
{&pb3_latest.Repetitive{StringField: []string{}}},
// Empty map fields are ignored.
{&pb2_latest.StringMaps{StringToString: map[string]string{}}},
{&pb3_latest.StringMaps{StringToString: map[string]string{}}},
// Proto3 scalar fields set to their default values are considered empty.
{&pb3_latest.Simple{BoolField: false}},
{&pb3_latest.Simple{BytesField: []byte{}}},
{&pb3_latest.Simple{DoubleField: 0}},
{&pb3_latest.Simple{DoubleField: 0.0}},
{&pb3_latest.Simple{Fixed32Field: 0}},
{&pb3_latest.Simple{Fixed64Field: 0}},
{&pb3_latest.Simple{FloatField: 0}},
{&pb3_latest.Simple{FloatField: 0.0}},
{&pb3_latest.Simple{Int32Field: 0}},
{&pb3_latest.Simple{Int64Field: 0}},
{&pb3_latest.Simple{Sfixed32Field: 0}},
{&pb3_latest.Simple{Sfixed64Field: 0}},
{&pb3_latest.Simple{Sint32Field: 0}},
{&pb3_latest.Simple{Sint64Field: 0}},
{&pb3_latest.Simple{StringField: ""}},
{&pb3_latest.Simple{Uint32Field: 0}},
{&pb3_latest.Simple{Uint64Field: 0}},
} {
t.Run(fmt.Sprintf("%+v", tc.msg), func(t *testing.T) {
h := hasher{}
got := getHash(t, func() ([]byte, error) {
return h.hashMessage(tc.msg.ProtoReflect())
})
if diff := cmp.Diff(emptyHash, got); diff != "" {
t.Errorf("protohash (-want +got):\n%s", diff)
}
})
}
}
func TestHashIntegerFields(t *testing.T) {
for name, tc := range map[string]hashTestCase{
"equivalence": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.Fixed32Message{Values: []uint32{0, 1, 2}},
&pb2_latest.Fixed64Message{Values: []uint64{0, 1, 2}},
&pb2_latest.Int32Message{Values: []int32{0, 1, 2}},
&pb2_latest.Int64Message{Values: []int64{0, 1, 2}},
&pb2_latest.Sfixed32Message{Values: []int32{0, 1, 2}},
&pb2_latest.Sfixed64Message{Values: []int64{0, 1, 2}},
&pb2_latest.Sint32Message{Values: []int32{0, 1, 2}},
&pb2_latest.Sint64Message{Values: []int64{0, 1, 2}},
&pb2_latest.Uint32Message{Values: []uint32{0, 1, 2}},
&pb2_latest.Uint64Message{Values: []uint64{0, 1, 2}},
&pb3_latest.Fixed32Message{Values: []uint32{0, 1, 2}},
&pb3_latest.Fixed64Message{Values: []uint64{0, 1, 2}},
&pb3_latest.Int32Message{Values: []int32{0, 1, 2}},
&pb3_latest.Int64Message{Values: []int64{0, 1, 2}},
&pb3_latest.Sfixed32Message{Values: []int32{0, 1, 2}},
&pb3_latest.Sfixed64Message{Values: []int64{0, 1, 2}},
&pb3_latest.Sint32Message{Values: []int32{0, 1, 2}},
&pb3_latest.Sint64Message{Values: []int64{0, 1, 2}},
&pb3_latest.Uint32Message{Values: []uint32{0, 1, 2}},
&pb3_latest.Uint64Message{Values: []uint64{0, 1, 2}},
},
obj: map[string][]int32{"values": {0, 1, 2}},
// No equivalent JSON: JSON does not have an "integer" type. All numbers are floats.
want: "42794fb0e73c2b5f427aa76486555d07589359054848396ddf173e9e0b4ab931",
},
"equivalence (with negatives)": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{},
obj: map[string][]int32{"values": {-2, -1, 0, 1, 2}},
// No equivalent JSON: JSON does not have an "integer" type. All numbers are floats.
want: "6cb613a53b6086b88dbda40b30e902adb41288b0b1f7a627905beaa764ee49cb",
},
} {
tc.Check(name, t)
}
}
func TestHashFloatFields(t *testing.T) {
for name, tc := range map[string]hashTestCase{
"float fields (hashing key field numbers)": {
protos: []proto.Message{
&pb2_latest.DoubleMessage{Values: []float64{-2, -1, 0, 1, 2}},
&pb3_latest.DoubleMessage{Values: []float64{-2, -1, 0, 1, 2}},
&pb2_latest.FloatMessage{Values: []float32{-2, -1, 0, 1, 2}},
&pb3_latest.FloatMessage{Values: []float32{-2, -1, 0, 1, 2}},
},
// obj: map[string][]float64{"values": {-2, -1, 0, 1, 2}},
// json: `{2: [-2, -1, 0, 1, 2]}`, skipping json as this is invalid json
want: "08775d05cd028265e4956a95aef6c050a45652e9c59462da636a8460c5ed52f3",
},
"float fields (hashing key field strings)": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.DoubleMessage{Values: []float64{-2, -1, 0, 1, 2}},
&pb3_latest.DoubleMessage{Values: []float64{-2, -1, 0, 1, 2}},
&pb2_latest.FloatMessage{Values: []float32{-2, -1, 0, 1, 2}},
&pb3_latest.FloatMessage{Values: []float32{-2, -1, 0, 1, 2}},
},
obj: map[string][]float64{"values": {-2, -1, 0, 1, 2}},
json: `{"values": [-2, -1, 0, 1, 2]}`,
want: "586202dddb0e98bb8ce0b7289e29a9f7397b9b1996f3f8fe788f4cfb230b7ee8",
},
"float fields (fractions 32)": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.DoubleMessage{Values: []float64{0.0078125, 7.888609052210118e-31}},
&pb3_latest.DoubleMessage{Values: []float64{0.0078125, 7.888609052210118e-31}},
&pb2_latest.FloatMessage{Values: []float32{0.0078125, 7.888609052210118e-31}},
&pb3_latest.FloatMessage{Values: []float32{0.0078125, 7.888609052210118e-31}},
},
obj: map[string][]float64{"values": {0.0078125, 7.888609052210118e-31}},
json: `{"values": [0.0078125, 7.888609052210118e-31]}`,
want: "7b7cba0ed312bc6611f0523e7c46ce9a2ed9ecb798eb80e1cdf93c95faf503c7",
},
"float fields (fractions 64)": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.DoubleMessage{Values: []float64{-1.0, 1.5, 1000.000244140625, 1267650600228229401496703205376, 32.0, 13.0009765625}},
&pb3_latest.DoubleMessage{Values: []float64{-1.0, 1.5, 1000.000244140625, 1267650600228229401496703205376, 32.0, 13.0009765625}},
&pb2_latest.FloatMessage{Values: []float32{-1.0, 1.5, 1000.000244140625, 1267650600228229401496703205376, 32.0, 13.0009765625}},
&pb3_latest.FloatMessage{Values: []float32{-1.0, 1.5, 1000.000244140625, 1267650600228229401496703205376, 32.0, 13.0009765625}},
},
json: `{"values": [-1.0, 1.5, 1000.000244140625, 1267650600228229401496703205376, 32.0, 13.0009765625]}`,
want: "ac261ff3d8b933998e3fea278539eb40b15811dd835d224e0150dce4794168b7",
},
"float fields (Non-equivalence of Floats using different representations)": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.FloatMessage{Value: proto.Float32(0.1)},
&pb3_latest.FloatMessage{Value: 0.1},
// A float64 "0.1" is not equal to a float32 "0.1".
// However, float32 "0.1" is equal to float64 "1.0000000149011612e-1".
&pb2_latest.DoubleMessage{Value: proto.Float64(1.0000000149011612e-1)},
&pb3_latest.DoubleMessage{Value: 1.0000000149011612e-1},
},
obj: map[string]float32{"value": 0.1},
json: `{"value": 1.0000000149011612e-1}`,
want: "7081ed6a1e7ad8e7f981a2894a3bd6d3b0b0033b69c03cce84b61dd063f4efaa",
},
"float fields (There's no float32 number that is equivalent to a float64 '0.1'.)": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.DoubleMessage{Value: proto.Float64(0.1)},
&pb3_latest.DoubleMessage{Value: 0.1},
},
obj: map[string]float64{"value": 0.1},
json: `{"value": 0.1}`,
want: "e175fbe785bae88b598d3ecaad8a64d2a998e9f673173a226868f2ef312a5225",
},
"float fields (Non-equivalence of Floats using different representations - decimal)": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.FloatMessage{Value: proto.Float32(1.2163543e+25)},
&pb3_latest.FloatMessage{Value: 1.2163543e+25},
// The decimal representation of the equivalent 64-bit float is different.
&pb2_latest.DoubleMessage{Value: proto.Float64(1.2163543234531120e+25)},
&pb3_latest.DoubleMessage{Value: 1.2163543234531120e+25},
},
obj: map[string]float32{"value": 1.2163543e+25},
json: `{"value": 1.2163543234531120e+25}`,
want: "bbb17cf7312f2ba5b0002d781f16d1ab50c3d25dc044ed3428750826a1c68653",
},
"float fields (no float32 number that is equivalent to a float64 '1e+25')": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.DoubleMessage{Value: proto.Float64(1e+25)},
&pb3_latest.DoubleMessage{Value: 1e+25},
},
obj: map[string]float64{"value": 1e+25},
json: `{"value": 1e+25}`,
want: "874beabbede24974a9f3f74e3448670e0c42c0aaba082f18b963b72253649362",
},
"float fields (proto2 unset)": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.DoubleMessage{Value: proto.Float64(0)},
&pb2_latest.FloatMessage{Value: proto.Float32(0)},
},
obj: map[string]float64{"value": 0},
json: `{"value":0}`,
want: "94136b0850db069dfd7bee090fc7ede48aa7da53ae3cc8514140a493818c3b91",
},
"float fields (special NaN)": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.DoubleMessage{Value: proto.Float64(math.NaN())},
&pb3_latest.DoubleMessage{Value: math.NaN()},
&pb2_latest.FloatMessage{Value: proto.Float32(float32(math.NaN()))},
&pb3_latest.FloatMessage{Value: float32(math.NaN())},
},
obj: map[string]float64{"value": math.NaN()},
// No equivalent JSON: JSON does not support special float values.
// See: https://tools.ietf.org/html/rfc4627#section-2.4
// json: `{"value": NaN}`,
want: "16614de29b0823c41cabc993fa6c45da87e4e74c5d836edbcddcfaaf06ffafd1",
},
"float fields (special Inf(+))": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.DoubleMessage{Value: proto.Float64(math.Inf(1))},
&pb3_latest.DoubleMessage{Value: math.Inf(1)},
&pb2_latest.FloatMessage{Value: proto.Float32(float32(math.Inf(1)))},
&pb3_latest.FloatMessage{Value: float32(math.Inf(1))},
},
obj: map[string]float64{"value": math.Inf(1)},
// No equivalent JSON: JSON does not support special float values.
// See: https://tools.ietf.org/html/rfc4627#section-2.4
// json: `{"value": Inf}`,
want: "c58cd512e86204e99cb6c11d83bb3daaccdd946e66383004cb9b7f87f762935c",
},
"float fields (special Inf(-))": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.DoubleMessage{Value: proto.Float64(math.Inf(-1))},
&pb3_latest.DoubleMessage{Value: math.Inf(-1)},
&pb2_latest.FloatMessage{Value: proto.Float32(float32(math.Inf(-1)))},
&pb3_latest.FloatMessage{Value: float32(math.Inf(-1))},
},
obj: map[string]float64{"value": math.Inf(-1)},
// No equivalent JSON: JSON does not support special float values.
// See: https://tools.ietf.org/html/rfc4627#section-2.4
// json: `{"value": Inf}`,
want: "1a4ffd7e9dc1f915c5b3b821d9194ac7d6d2bdec947aa8c3b3b1e9017c651331",
},
} {
tc.Check(name, t)
}
}
func TestHashStringFields(t *testing.T) {
for name, tc := range map[string]hashTestCase{
"unicode": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.Simple{StringField: proto.String("你好")},
&pb3_latest.Simple{StringField: "你好"},
},
obj: map[string]string{"string_field": "你好"},
json: "{\"string_field\":\"你好\"}",
want: "de0086ad683b5f8affffbbcbe57d09e5377aa47cb32f6f0b1bdecd2e54b9137d",
},
"esc": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.Simple{StringField: proto.String("\u03d3")},
&pb3_latest.Simple{StringField: "\u03d3"},
},
obj: map[string]string{"string_field": "\u03d3"},
json: "{\"string_field\":\"\u03d3\"}",
want: "12441188aebffcc3a1e625d825391678d8417c77e645fc992d1ab5b549c659a7",
},
"normalization": {
// Note that this is the same character as above, but hashes differently
// unless unicode normalisation is applied.
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.Simple{StringField: proto.String("\u03d2\u0301")},
&pb3_latest.Simple{StringField: "\u03d2\u0301"},
},
obj: map[string]string{"string_field": "\u03d2\u0301"},
json: "{\"string_field\":\"\u03d2\u0301\"}",
want: "1f33a91552e7a527fdf2de0d25f815590f1a3e2dc8340507d20d4ee42462d0a2",
},
"repeated empty": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.Repetitive{StringField: []string{""}},
&pb3_latest.Repetitive{StringField: []string{""}},
},
obj: map[string][]string{"string_field": {""}},
json: "{\"string_field\":[\"\"]}",
want: "63e64f0ed286e0d8f30735e6646ea9ef48174c23ba09a05288b4233c6e6a9419",
},
"repeated unicode": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.Repetitive{StringField: []string{"", "Test", "你好", "\u03d3"}},
&pb3_latest.Repetitive{StringField: []string{"", "Test", "你好", "\u03d3"}},
},
obj: map[string][]string{"string_field": {"", "Test", "你好", "\u03d3"}},
json: "{\"string_field\":[\"\",\"Test\",\"你好\",\"\u03d3\"]}",
want: "f76ae15a2685a5ec0e45f9ad7d75e492e6a17d31811480fbaf00af451fb4e98e",
},
} {
tc.Check(name, t)
}
}
// TestHashProto2DefaultFields checks that proto2 default field values are properly hashed.
func TestHashProto2DefaultFields(t *testing.T) {
for name, tc := range map[string]hashTestCase{
"simple bool": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.Simple{BoolField: proto.Bool(false)},
},
obj: map[string]bool{"bool_field": false},
json: "{\"bool_field\":false}",
want: "1ab5ecdbe4176473024f7efd080593b740d22d076d06ea6edd8762992b484a12",
},
"simple bytes": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.Simple{BytesField: []byte{}},
},
obj: map[string][]byte{"bytes_field": {}},
// json: skipped - JSON does not have 'bytes' representation
want: "10a0dbbfa097b731c7a505246ffa96a82f997b8c25892d76d3b8b1355e529e05",
},
"simple string": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.Simple{StringField: proto.String("")},
},
obj: map[string]string{"string_field": ""},
json: "{\"string_field\":\"\"}",
want: "2d60c2941830ef4bb14424e47c6cd010f2b95e5e34291f429998288a60ac8c22",
},
"ints": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.Fixed32Message{Value: proto.Uint32(0)},
&pb2_latest.Fixed64Message{Value: proto.Uint64(0)},
&pb2_latest.Int32Message{Value: proto.Int32(0)},
&pb2_latest.Int64Message{Value: proto.Int64(0)},
&pb2_latest.Sfixed32Message{Value: proto.Int32(0)},
&pb2_latest.Sfixed64Message{Value: proto.Int64(0)},
&pb2_latest.Sint32Message{Value: proto.Int32(0)},
&pb2_latest.Sint64Message{Value: proto.Int64(0)},
&pb2_latest.Uint32Message{Value: proto.Uint32(0)},
&pb2_latest.Uint64Message{Value: proto.Uint64(0)},
},
obj: map[string]int64{"value": 0},
want: "49f031b73dad26859ffeea8a2bb170aaf7358d2277b00c7fc7ea8edcd37e53a1",
},
"floats": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.DoubleMessage{Value: proto.Float64(0.0)},
&pb2_latest.FloatMessage{Value: proto.Float32(0.0)},
},
obj: map[string]float64{"value": 0.0},
json: "{\"value\":0.0}",
want: "94136b0850db069dfd7bee090fc7ede48aa7da53ae3cc8514140a493818c3b91",
},
} {
tc.Check(name, t)
}
}
func TestHashOneofFields(t *testing.T) {
for name, tc := range map[string]hashTestCase{
"empty": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.Singleton{},
&pb3_latest.Singleton{},
&pb2_latest.Empty{},
&pb3_latest.Empty{},
},
obj: map[int64]string{},
json: `{}`,
want: "18ac3e7343f016890c510e93f935261169d9e3f565436429830faf0934f4f8e4",
},
"one selected but empty": {
protos: []proto.Message{
// Only proto2 has empty values.
&pb2_latest.Simple{BoolField: proto.Bool(false)},
&pb2_latest.Singleton{Singleton: &pb2_latest.Singleton_TheBool{}},
&pb3_latest.Singleton{Singleton: &pb3_latest.Singleton_TheBool{}},
&pb2_latest.Singleton{Singleton: &pb2_latest.Singleton_TheBool{TheBool: false}},
&pb3_latest.Singleton{Singleton: &pb3_latest.Singleton_TheBool{TheBool: false}},
},
obj: map[int64]bool{1: false},
want: "8a956cfa8e9b45b738cb8dc8a3dc7126dab3cbd2c07c80fa1ec312a1a31ed709",
},
"One of the options selected with content (empty string)": {
protos: []proto.Message{
// Only proto2 has empty values.
&pb2_latest.Simple{StringField: proto.String("")},
&pb2_latest.Singleton{Singleton: &pb2_latest.Singleton_TheString{}},
&pb3_latest.Singleton{Singleton: &pb3_latest.Singleton_TheString{}},
&pb2_latest.Singleton{Singleton: &pb2_latest.Singleton_TheString{TheString: ""}},
&pb3_latest.Singleton{Singleton: &pb3_latest.Singleton_TheString{TheString: ""}},
},
obj: map[int64]string{25: ""},
want: "79cff9d2d0ee6c6071c82b58d1a2fcf056b58c4501606862489e5731644c755a",
},
"One of the options selected with content (ints)": {
protos: []proto.Message{
// Only proto2 has empty values.
&pb2_latest.Simple{Int32Field: proto.Int32(0)},
&pb2_latest.Singleton{Singleton: &pb2_latest.Singleton_TheInt32{}},
&pb3_latest.Singleton{Singleton: &pb3_latest.Singleton_TheInt32{}},
&pb2_latest.Singleton{Singleton: &pb2_latest.Singleton_TheInt32{TheInt32: 0}},
&pb3_latest.Singleton{Singleton: &pb3_latest.Singleton_TheInt32{TheInt32: 0}},
},
obj: map[int64]int32{13: 0},
want: "bafd42680c987c47a76f72e08ed975877162efdb550d2c564c758dc7d988468f",
},
"One of the options selected with content (strings)": {
protos: []proto.Message{
&pb2_latest.Simple{StringField: proto.String("TEST!")},
&pb3_latest.Simple{StringField: "TEST!"},
//
// For protobufs, it is legal (and backwards-compatible) to update a message by wrapping
// an existing field within a oneof rule. Therefore, both objects (using old schem and
// the new schema) should result in the same objecthash.
//
// Example:
//
// # Old schema: | # New schema:
// message Simple { | message Singleton {
// string string_field = 25; | oneof singleton {
// } | string the_string = 25;
// | }
// | }
//
// The following examples demonstrate this equivalence.
&pb2_latest.Singleton{Singleton: &pb2_latest.Singleton_TheString{TheString: "TEST!"}},
&pb3_latest.Singleton{Singleton: &pb3_latest.Singleton_TheString{TheString: "TEST!"}},
},
obj: map[int64]string{25: "TEST!"},
want: "336cdbca99fd46157bc47bcc456f0ac7f1ef3be7a79acf3535f671434b53944f",
},
"One of the options selected with content (equiv case ints)": {
protos: []proto.Message{
&pb2_latest.Simple{Int32Field: proto.Int32(99)},
&pb3_latest.Simple{Int32Field: 99},
&pb2_latest.Singleton{Singleton: &pb2_latest.Singleton_TheInt32{TheInt32: 99}},
&pb3_latest.Singleton{Singleton: &pb3_latest.Singleton_TheInt32{TheInt32: 99}},
},
obj: map[int64]int32{13: 99},
want: "65517521bc278528d25caf1643da0f094fd88dad50205c9743e3c984a7c53b7d",
},
"One of the options selected with content (nested)": {
protos: []proto.Message{
&pb2_latest.Simple{SingletonField: &pb2_latest.Singleton{}},
&pb3_latest.Simple{SingletonField: &pb3_latest.Singleton{}},
&pb2_latest.Singleton{Singleton: &pb2_latest.Singleton_TheSingleton{TheSingleton: &pb2_latest.Singleton{}}},
&pb3_latest.Singleton{Singleton: &pb3_latest.Singleton_TheSingleton{TheSingleton: &pb3_latest.Singleton{}}},
},
obj: map[int64]map[int64]int64{35: {}},
want: "4967c72525c764229f9fbf1294764c9aedc0d4f9f4c52e04a19c7f35ca65f517",
},
"One of the options selected with content (double nested)": {
protos: []proto.Message{
&pb2_latest.Simple{SingletonField: &pb2_latest.Singleton{Singleton: &pb2_latest.Singleton_TheSingleton{TheSingleton: &pb2_latest.Singleton{}}}},
&pb3_latest.Simple{SingletonField: &pb3_latest.Singleton{Singleton: &pb3_latest.Singleton_TheSingleton{TheSingleton: &pb3_latest.Singleton{}}}},
&pb2_latest.Singleton{Singleton: &pb2_latest.Singleton_TheSingleton{TheSingleton: &pb2_latest.Singleton{Singleton: &pb2_latest.Singleton_TheSingleton{TheSingleton: &pb2_latest.Singleton{}}}}},
&pb3_latest.Singleton{Singleton: &pb3_latest.Singleton_TheSingleton{TheSingleton: &pb3_latest.Singleton{Singleton: &pb3_latest.Singleton_TheSingleton{TheSingleton: &pb3_latest.Singleton{}}}}},
},
obj: map[int64]map[int64]map[int64]int64{35: {35: {}}},
want: "8ea95bbda0f42073a61f46f9f375f48d5a7cb034fce56b44f958470fda5236d0",
},
} {
tc.Check(name, t)
}
}
func TestHashMapFields(t *testing.T) {
for name, tc := range map[string]hashTestCase{
"boolean maps": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.BoolMaps{BoolToString: map[bool]string{true: "NOT FALSE", false: "NOT TRUE"}},
&pb3_latest.BoolMaps{BoolToString: map[bool]string{true: "NOT FALSE", false: "NOT TRUE"}},
},
obj: map[string]map[bool]string{"bool_to_string": {true: "NOT FALSE", false: "NOT TRUE"}},
// No equivalent JSON: JSON does not have an "integer" type. All numbers are floats.
want: "d89d053bf7b37b4784832c72445661db99538fe1d490988575409a9040084f18",
},
"integer maps": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.IntMaps{IntToString: map[int64]string{0: "ZERO"}},
&pb3_latest.IntMaps{IntToString: map[int64]string{0: "ZERO"}},
},
obj: map[string]map[int64]string{"int_to_string": {0: "ZERO"}},
// No equivalent JSON object because JSON map keys must be strings.
want: "53892192fb69cbd93ceb0552ca571b8505887f25d6f12822025341f16983a6af",
},
"string maps": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.StringMaps{StringToString: map[string]string{"foo": "bar"}},
&pb3_latest.StringMaps{StringToString: map[string]string{"foo": "bar"}},
},
obj: map[string]map[string]string{"string_to_string": {"foo": "bar"}},
json: `{"string_to_string": {"foo": "bar"}}`,
want: "cadfe560995647c63c20234a6409d2b1b8cf8dcf7d8e420ca33f23ff9ca9abfa",
},
"string maps (unicode)": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.StringMaps{StringToString: map[string]string{
"": "你好", "你好": "\u03d3", "\u03d3": "\u03d2\u0301"}},
&pb3_latest.StringMaps{StringToString: map[string]string{
"": "你好", "你好": "\u03d3", "\u03d3": "\u03d2\u0301"}},
},
obj: map[string]map[string]string{"string_to_string": {"": "你好", "你好": "\u03d3", "\u03d3": "\u03d2\u0301"}},
json: `{"string_to_string": {"": "你好", "你好": "\u03d3", "\u03d3": "\u03d2\u0301"}}`,
want: "be8b5ae6d5986cde37ab8b395c66045fbb69a8b3b534fa34df7c19a640f4cd66",
},
"message maps": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.StringMaps{StringToSimple: map[string]*pb2_latest.Simple{"foo": {}}},
&pb3_latest.StringMaps{StringToSimple: map[string]*pb3_latest.Simple{"foo": {}}},
},
obj: map[string]map[string]map[string]string{"string_to_simple": {"foo": {}}},
json: `{"string_to_simple": {"foo": {}}}`,
want: "58057927bb1a123452a2d75071b55b08e426490ca42c3dd14e3be59183ac4751",
},
} {
tc.Check(name, t)
}
}
// TestHashOtherTypes performs tests on types that do not have their own test file.
func TestHashOtherTypes(t *testing.T) {
for name, tc := range map[string]hashTestCase{
"nil": {
protos: []proto.Message{
nil,
},
json: "null",
obj: nil,
want: "1b16b1df538ba12dc3f97edbb85caa7050d46c148134290feba80f8236c83db9",
},
"booleans (true)": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.Simple{BoolField: proto.Bool(true)},
&pb3_latest.Simple{BoolField: true},
},
json: `{"bool_field": true}`,
obj: map[string]bool{"bool_field": true},
want: "7b2ac6048e6c8797205505ea486539a5589583be43154da88785a5121e2d6899",
},
"booleans (false)": {
options: []Option{FieldNamesAsKeys()},
protos: []proto.Message{
&pb2_latest.Simple{BoolField: proto.Bool(false)},
// proto3 scalar fields set to their default value are considered empty.
},
json: `{"bool_field": false}`,
obj: map[string]bool{"bool_field": false},
want: "1ab5ecdbe4176473024f7efd080593b740d22d076d06ea6edd8762992b484a12",