forked from googleapis/google-cloud-go
/
protoconversion_test.go
539 lines (513 loc) · 19.2 KB
/
protoconversion_test.go
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// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package adapt
import (
"encoding/json"
"reflect"
"testing"
"cloud.google.com/go/bigquery/storage/managedwriter/testdata"
"github.com/google/go-cmp/cmp"
storagepb "google.golang.org/genproto/googleapis/cloud/bigquery/storage/v1beta2"
"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/testing/protocmp"
"google.golang.org/protobuf/types/descriptorpb"
"google.golang.org/protobuf/types/dynamicpb"
)
func TestSchemaToProtoConversion(t *testing.T) {
testCases := []struct {
description string
bq *storagepb.TableSchema
wantProto2 *descriptorpb.DescriptorProto
wantProto3 *descriptorpb.DescriptorProto
}{
{
description: "basic",
bq: &storagepb.TableSchema{
Fields: []*storagepb.TableFieldSchema{
{Name: "foo", Type: storagepb.TableFieldSchema_STRING, Mode: storagepb.TableFieldSchema_NULLABLE},
{Name: "bar", Type: storagepb.TableFieldSchema_INT64, Mode: storagepb.TableFieldSchema_REQUIRED},
{Name: "baz", Type: storagepb.TableFieldSchema_BYTES, Mode: storagepb.TableFieldSchema_REPEATED},
}},
wantProto2: &descriptorpb.DescriptorProto{
Name: proto.String("root"),
Field: []*descriptorpb.FieldDescriptorProto{
{
Name: proto.String("foo"),
Number: proto.Int32(1),
Type: descriptorpb.FieldDescriptorProto_TYPE_STRING.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum()},
{Name: proto.String("bar"), Number: proto.Int32(2), Type: descriptorpb.FieldDescriptorProto_TYPE_INT64.Enum(), Label: descriptorpb.FieldDescriptorProto_LABEL_REQUIRED.Enum()},
{Name: proto.String("baz"), Number: proto.Int32(3), Type: descriptorpb.FieldDescriptorProto_TYPE_BYTES.Enum(), Label: descriptorpb.FieldDescriptorProto_LABEL_REPEATED.Enum()},
},
},
wantProto3: &descriptorpb.DescriptorProto{
Name: proto.String("root"),
Field: []*descriptorpb.FieldDescriptorProto{
{
Name: proto.String("foo"),
Number: proto.Int32(1),
Type: descriptorpb.FieldDescriptorProto_TYPE_MESSAGE.Enum(),
TypeName: proto.String(".google.protobuf.StringValue"),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum()},
{Name: proto.String("bar"), Number: proto.Int32(2), Type: descriptorpb.FieldDescriptorProto_TYPE_INT64.Enum(), Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum()},
{Name: proto.String("baz"), Number: proto.Int32(3), Type: descriptorpb.FieldDescriptorProto_TYPE_BYTES.Enum(), Label: descriptorpb.FieldDescriptorProto_LABEL_REPEATED.Enum()},
},
},
},
{
// exercise construct of a submessage
description: "nested",
bq: &storagepb.TableSchema{
Fields: []*storagepb.TableFieldSchema{
{Name: "curdate", Type: storagepb.TableFieldSchema_DATE, Mode: storagepb.TableFieldSchema_NULLABLE},
{
Name: "rec",
Type: storagepb.TableFieldSchema_STRUCT,
Mode: storagepb.TableFieldSchema_NULLABLE,
Fields: []*storagepb.TableFieldSchema{
{Name: "userid", Type: storagepb.TableFieldSchema_STRING, Mode: storagepb.TableFieldSchema_REQUIRED},
{Name: "location", Type: storagepb.TableFieldSchema_GEOGRAPHY, Mode: storagepb.TableFieldSchema_NULLABLE},
},
},
},
},
wantProto2: &descriptorpb.DescriptorProto{
Name: proto.String("root"),
Field: []*descriptorpb.FieldDescriptorProto{
{
Name: proto.String("curdate"),
Number: proto.Int32(1),
Type: descriptorpb.FieldDescriptorProto_TYPE_INT32.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
{
Name: proto.String("rec"),
Number: proto.Int32(2),
Type: descriptorpb.FieldDescriptorProto_TYPE_MESSAGE.Enum(),
TypeName: proto.String(".root__rec"),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
},
},
wantProto3: &descriptorpb.DescriptorProto{
Name: proto.String("root"),
Field: []*descriptorpb.FieldDescriptorProto{
{
Name: proto.String("curdate"),
Number: proto.Int32(1),
Type: descriptorpb.FieldDescriptorProto_TYPE_MESSAGE.Enum(),
TypeName: proto.String(".google.protobuf.Int32Value"),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
{
Name: proto.String("rec"),
Number: proto.Int32(2),
Type: descriptorpb.FieldDescriptorProto_TYPE_MESSAGE.Enum(),
TypeName: proto.String(".root__rec"),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
},
},
},
{
// We expect to re-use the submessage twice, as the schema contains two identical structs.
description: "nested w/duplicate submessage",
bq: &storagepb.TableSchema{
Fields: []*storagepb.TableFieldSchema{
{Name: "curdate", Type: storagepb.TableFieldSchema_DATE, Mode: storagepb.TableFieldSchema_NULLABLE},
{
Name: "rec1",
Type: storagepb.TableFieldSchema_STRUCT,
Mode: storagepb.TableFieldSchema_NULLABLE,
Fields: []*storagepb.TableFieldSchema{
{Name: "userid", Type: storagepb.TableFieldSchema_STRING, Mode: storagepb.TableFieldSchema_REQUIRED},
{Name: "location", Type: storagepb.TableFieldSchema_GEOGRAPHY, Mode: storagepb.TableFieldSchema_NULLABLE},
},
},
{
Name: "rec2",
Type: storagepb.TableFieldSchema_STRUCT,
Mode: storagepb.TableFieldSchema_NULLABLE,
Fields: []*storagepb.TableFieldSchema{
{Name: "userid", Type: storagepb.TableFieldSchema_STRING, Mode: storagepb.TableFieldSchema_REQUIRED},
{Name: "location", Type: storagepb.TableFieldSchema_GEOGRAPHY, Mode: storagepb.TableFieldSchema_NULLABLE},
},
},
},
},
wantProto2: &descriptorpb.DescriptorProto{
Name: proto.String("root"),
Field: []*descriptorpb.FieldDescriptorProto{
{
Name: proto.String("curdate"),
Number: proto.Int32(1),
Type: descriptorpb.FieldDescriptorProto_TYPE_INT32.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
{
Name: proto.String("rec1"),
Number: proto.Int32(2),
Type: descriptorpb.FieldDescriptorProto_TYPE_MESSAGE.Enum(),
TypeName: proto.String(".root__rec1"),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
{
Name: proto.String("rec2"),
Number: proto.Int32(3),
Type: descriptorpb.FieldDescriptorProto_TYPE_MESSAGE.Enum(),
TypeName: proto.String(".root__rec1"),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
},
},
wantProto3: &descriptorpb.DescriptorProto{
Name: proto.String("root"),
Field: []*descriptorpb.FieldDescriptorProto{
{
Name: proto.String("curdate"),
Number: proto.Int32(1),
Type: descriptorpb.FieldDescriptorProto_TYPE_MESSAGE.Enum(),
TypeName: proto.String(".google.protobuf.Int32Value"),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
{
Name: proto.String("rec1"),
Number: proto.Int32(2),
Type: descriptorpb.FieldDescriptorProto_TYPE_MESSAGE.Enum(),
TypeName: proto.String(".root__rec1"),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
{
Name: proto.String("rec2"),
Number: proto.Int32(3),
Type: descriptorpb.FieldDescriptorProto_TYPE_MESSAGE.Enum(),
TypeName: proto.String(".root__rec1"),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
},
},
},
}
for _, tc := range testCases {
p2d, err := StorageSchemaToProto2Descriptor(tc.bq, "root")
if err != nil {
t.Errorf("case (%s) failed proto2 conversion: %v", tc.description, err)
}
// convert it to DP form
mDesc, ok := p2d.(protoreflect.MessageDescriptor)
if !ok {
t.Errorf("%s: couldn't convert proto2 to messagedescriptor", tc.description)
}
gotDP := protodesc.ToDescriptorProto(mDesc)
if diff := cmp.Diff(gotDP, tc.wantProto2, protocmp.Transform()); diff != "" {
t.Errorf("%s proto2: -got, +want:\n%s", tc.description, diff)
}
p3d, err := StorageSchemaToProto3Descriptor(tc.bq, "root")
if err != nil {
t.Fatalf("case (%s) failed proto3 conversion: %v", tc.description, err)
}
mDesc, ok = p3d.(protoreflect.MessageDescriptor)
if !ok {
t.Errorf("%s: couldn't convert proto3 to messagedescriptor", tc.description)
}
gotDP = protodesc.ToDescriptorProto(mDesc)
if diff := cmp.Diff(gotDP, tc.wantProto3, protocmp.Transform()); diff != "" {
t.Errorf("%s proto3: -got, +want:\n%s", tc.description, diff)
}
}
}
func TestProtoJSONSerialization(t *testing.T) {
sourceSchema := &storagepb.TableSchema{
Fields: []*storagepb.TableFieldSchema{
{Name: "record_id", Type: storagepb.TableFieldSchema_INT64, Mode: storagepb.TableFieldSchema_NULLABLE},
{
Name: "details",
Type: storagepb.TableFieldSchema_STRUCT,
Mode: storagepb.TableFieldSchema_REPEATED,
Fields: []*storagepb.TableFieldSchema{
{Name: "key", Type: storagepb.TableFieldSchema_STRING, Mode: storagepb.TableFieldSchema_REQUIRED},
{Name: "value", Type: storagepb.TableFieldSchema_STRING, Mode: storagepb.TableFieldSchema_NULLABLE},
},
},
},
}
descriptor, err := StorageSchemaToProto2Descriptor(sourceSchema, "root")
if err != nil {
t.Fatalf("failed to construct descriptor")
}
sampleRecord := []byte(`{"record_id":"12345","details":[{"key":"name","value":"jimmy"},{"key":"title","value":"clown"}]}`)
messageDescriptor, ok := descriptor.(protoreflect.MessageDescriptor)
if !ok {
t.Fatalf("StorageSchemaToDescriptor didn't yield a valid message descriptor, got %T", descriptor)
}
// First, ensure we got the expected descriptors. Check both outer and inner messages.
gotOuterDP := protodesc.ToDescriptorProto(messageDescriptor)
innerField := messageDescriptor.Fields().ByName("details")
if innerField == nil {
t.Fatalf("couldn't get inner descriptor for details")
}
gotInnerDP := protodesc.ToDescriptorProto(innerField.Message())
wantOuterDP := &descriptorpb.DescriptorProto{
Name: proto.String("root"),
Field: []*descriptorpb.FieldDescriptorProto{
{
Name: proto.String("record_id"),
Number: proto.Int32(1),
Type: descriptorpb.FieldDescriptorProto_TYPE_INT64.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
{
Name: proto.String("details"),
Number: proto.Int32(2),
Type: descriptorpb.FieldDescriptorProto_TYPE_MESSAGE.Enum(),
TypeName: proto.String(".root__details"),
Label: descriptorpb.FieldDescriptorProto_LABEL_REPEATED.Enum(),
},
},
}
wantInnerDP := &descriptorpb.DescriptorProto{
Name: proto.String("root__details"),
Field: []*descriptorpb.FieldDescriptorProto{
{
Name: proto.String("key"),
Number: proto.Int32(1),
Type: descriptorpb.FieldDescriptorProto_TYPE_STRING.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_REQUIRED.Enum(),
},
{
Name: proto.String("value"),
Number: proto.Int32(2),
Type: descriptorpb.FieldDescriptorProto_TYPE_STRING.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
},
}
if outerDiff := cmp.Diff(gotOuterDP, wantOuterDP, protocmp.Transform()); outerDiff != "" {
t.Fatalf("DescriptorProto for outer message differs.\n-got, +want:\n%s", outerDiff)
}
if innerDiff := cmp.Diff(gotInnerDP, wantInnerDP, protocmp.Transform()); innerDiff != "" {
t.Fatalf("DescriptorProto for inner message differs.\n-got, +want:\n%s", innerDiff)
}
message := dynamicpb.NewMessage(messageDescriptor)
// Attempt to serialize json record into proto message.
err = protojson.Unmarshal(sampleRecord, message)
if err != nil {
t.Fatalf("failed to Unmarshal json message: %v", err)
}
// Serialize message back to json bytes. We must use options for idempotency, otherwise
// we'll serialize using the Go name rather than the proto name (recordId vs record_id).
options := protojson.MarshalOptions{
UseProtoNames: true,
}
gotBytes, err := options.Marshal(message)
if err != nil {
t.Fatalf("failed to marshal message: %v", err)
}
var got, want interface{}
if err := json.Unmarshal(gotBytes, &got); err != nil {
t.Fatalf("couldn't marshal gotBytes: %v", err)
}
if err := json.Unmarshal(sampleRecord, &want); err != nil {
t.Fatalf("couldn't marshal sampleRecord: %v", err)
}
if !reflect.DeepEqual(got, want) {
t.Fatalf("mismatched json: got\n%q\nwant\n%q", gotBytes, sampleRecord)
}
}
func TestNormalizeDescriptor(t *testing.T) {
testCases := []struct {
description string
in protoreflect.MessageDescriptor
wantErr bool
want *descriptorpb.DescriptorProto
}{
{
description: "nil",
in: nil,
wantErr: true,
},
{
description: "AllSupportedTypes",
in: (&testdata.AllSupportedTypes{}).ProtoReflect().Descriptor(),
want: &descriptorpb.DescriptorProto{
Name: proto.String("testdata_AllSupportedTypes"),
Field: []*descriptorpb.FieldDescriptorProto{
{
Name: proto.String("int32_value"),
JsonName: proto.String("int32Value"),
Number: proto.Int32(1),
Type: descriptorpb.FieldDescriptorProto_TYPE_INT32.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
{
Name: proto.String("int64_value"),
JsonName: proto.String("int64Value"),
Number: proto.Int32(2),
Type: descriptorpb.FieldDescriptorProto_TYPE_INT64.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
{
Name: proto.String("uint32_value"),
JsonName: proto.String("uint32Value"),
Number: proto.Int32(3),
Type: descriptorpb.FieldDescriptorProto_TYPE_UINT32.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
{
Name: proto.String("uint64_value"),
JsonName: proto.String("uint64Value"),
Number: proto.Int32(4),
Type: descriptorpb.FieldDescriptorProto_TYPE_UINT64.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
{
Name: proto.String("float_value"),
JsonName: proto.String("floatValue"),
Number: proto.Int32(5),
Type: descriptorpb.FieldDescriptorProto_TYPE_FLOAT.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
{
Name: proto.String("double_value"),
JsonName: proto.String("doubleValue"),
Number: proto.Int32(6),
Type: descriptorpb.FieldDescriptorProto_TYPE_DOUBLE.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
{
Name: proto.String("bool_value"),
JsonName: proto.String("boolValue"),
Number: proto.Int32(7),
Type: descriptorpb.FieldDescriptorProto_TYPE_BOOL.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
{
Name: proto.String("enum_value"),
JsonName: proto.String("enumValue"),
TypeName: proto.String("testdata_TestEnum_E.TestEnum"),
Number: proto.Int32(8),
Type: descriptorpb.FieldDescriptorProto_TYPE_ENUM.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
{
Name: proto.String("string_value"),
JsonName: proto.String("stringValue"),
Number: proto.Int32(9),
Type: descriptorpb.FieldDescriptorProto_TYPE_STRING.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_REQUIRED.Enum(),
},
},
NestedType: []*descriptorpb.DescriptorProto{
{
Name: proto.String("testdata_TestEnum_E"),
EnumType: []*descriptorpb.EnumDescriptorProto{
{
Name: proto.String("TestEnum"),
Value: []*descriptorpb.EnumValueDescriptorProto{
{
Name: proto.String("TestEnum0"),
Number: proto.Int32(0),
},
{
Name: proto.String("TestEnum1"),
Number: proto.Int32(1),
},
},
},
},
},
},
},
},
{
description: "ContainsRecursive",
in: (&testdata.ContainsRecursive{}).ProtoReflect().Descriptor(),
wantErr: true,
},
{
description: "RecursiveTypeTopMessage",
in: (&testdata.RecursiveTypeTopMessage{}).ProtoReflect().Descriptor(),
wantErr: true,
},
{
description: "ComplexType",
in: (&testdata.ComplexType{}).ProtoReflect().Descriptor(),
want: &descriptorpb.DescriptorProto{
Name: proto.String("testdata_ComplexType"),
Field: []*descriptorpb.FieldDescriptorProto{
{
Name: proto.String("nested_repeated_type"),
JsonName: proto.String("nestedRepeatedType"),
Number: proto.Int32(1),
TypeName: proto.String("testdata_NestedType"),
Type: descriptorpb.FieldDescriptorProto_TYPE_MESSAGE.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_REPEATED.Enum(),
},
{
Name: proto.String("inner_type"),
JsonName: proto.String("innerType"),
Number: proto.Int32(2),
TypeName: proto.String("testdata_InnerType"),
Type: descriptorpb.FieldDescriptorProto_TYPE_MESSAGE.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_OPTIONAL.Enum(),
},
},
NestedType: []*descriptorpb.DescriptorProto{
{
Name: proto.String("testdata_InnerType"),
Field: []*descriptorpb.FieldDescriptorProto{
{
Name: proto.String("value"),
JsonName: proto.String("value"),
Number: proto.Int32(1),
Type: descriptorpb.FieldDescriptorProto_TYPE_STRING.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_REPEATED.Enum(),
},
},
},
{
Name: proto.String("testdata_NestedType"),
Field: []*descriptorpb.FieldDescriptorProto{
{
Name: proto.String("inner_type"),
JsonName: proto.String("innerType"),
Number: proto.Int32(1),
TypeName: proto.String("testdata_InnerType"),
Type: descriptorpb.FieldDescriptorProto_TYPE_MESSAGE.Enum(),
Label: descriptorpb.FieldDescriptorProto_LABEL_REPEATED.Enum(),
},
},
},
},
},
},
}
for _, tc := range testCases {
gotDP, err := NormalizeDescriptor(tc.in)
if tc.wantErr && err == nil {
t.Errorf("%s: wanted err but got success", tc.description)
continue
}
if !tc.wantErr && err != nil {
t.Errorf("%s: wanted success, got err: %v", tc.description, err)
continue
}
if diff := cmp.Diff(gotDP, tc.want, protocmp.Transform()); diff != "" {
t.Errorf("%s: -got, +want:\n%s", tc.description, diff)
}
}
}