757 lines
16 KiB
Go
757 lines
16 KiB
Go
// Copyright 2016 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package datastore
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import (
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"reflect"
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"testing"
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"cloud.google.com/go/internal/testutil"
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pb "google.golang.org/genproto/googleapis/datastore/v1"
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)
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type Simple struct {
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I int64
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}
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type SimpleWithTag struct {
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I int64 `datastore:"II"`
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}
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type NestedSimpleWithTag struct {
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A SimpleWithTag `datastore:"AA"`
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}
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type NestedSliceOfSimple struct {
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A []Simple
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}
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type SimpleTwoFields struct {
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S string
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SS string
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}
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type NestedSimpleAnonymous struct {
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Simple
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X string
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}
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type NestedSimple struct {
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A Simple
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I int
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}
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type NestedSimple1 struct {
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A Simple
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X string
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}
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type NestedSimple2X struct {
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AA NestedSimple
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A SimpleTwoFields
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S string
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}
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type BDotB struct {
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B string `datastore:"B.B"`
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}
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type ABDotB struct {
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A BDotB
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}
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type MultiAnonymous struct {
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Simple
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SimpleTwoFields
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X string
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}
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func TestLoadEntityNestedLegacy(t *testing.T) {
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testCases := []struct {
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desc string
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src *pb.Entity
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want interface{}
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}{
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{
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desc: "nested",
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src: &pb.Entity{
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Key: keyToProto(testKey0),
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Properties: map[string]*pb.Value{
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"X": {ValueType: &pb.Value_StringValue{StringValue: "two"}},
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"A.I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 2}},
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},
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},
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want: &NestedSimple1{
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A: Simple{I: 2},
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X: "two",
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},
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},
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{
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desc: "nested with tag",
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src: &pb.Entity{
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Key: keyToProto(testKey0),
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Properties: map[string]*pb.Value{
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"AA.II": {ValueType: &pb.Value_IntegerValue{IntegerValue: 2}},
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},
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},
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want: &NestedSimpleWithTag{
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A: SimpleWithTag{I: 2},
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},
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},
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{
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desc: "nested with anonymous struct field",
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src: &pb.Entity{
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Key: keyToProto(testKey0),
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Properties: map[string]*pb.Value{
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"X": {ValueType: &pb.Value_StringValue{StringValue: "two"}},
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"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 2}},
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},
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},
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want: &NestedSimpleAnonymous{
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Simple: Simple{I: 2},
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X: "two",
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},
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},
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{
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desc: "nested with dotted field tag",
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src: &pb.Entity{
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Key: keyToProto(testKey0),
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Properties: map[string]*pb.Value{
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"A.B.B": {ValueType: &pb.Value_StringValue{StringValue: "bb"}},
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},
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},
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want: &ABDotB{
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A: BDotB{
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B: "bb",
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},
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},
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},
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{
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desc: "nested with multiple anonymous fields",
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src: &pb.Entity{
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Key: keyToProto(testKey0),
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Properties: map[string]*pb.Value{
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"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 3}},
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"S": {ValueType: &pb.Value_StringValue{StringValue: "S"}},
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"SS": {ValueType: &pb.Value_StringValue{StringValue: "s"}},
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"X": {ValueType: &pb.Value_StringValue{StringValue: "s"}},
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},
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},
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want: &MultiAnonymous{
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Simple: Simple{I: 3},
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SimpleTwoFields: SimpleTwoFields{S: "S", SS: "s"},
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X: "s",
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},
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},
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}
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for _, tc := range testCases {
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dst := reflect.New(reflect.TypeOf(tc.want).Elem()).Interface()
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err := loadEntityProto(dst, tc.src)
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if err != nil {
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t.Errorf("loadEntityProto: %s: %v", tc.desc, err)
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continue
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}
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if !testutil.Equal(tc.want, dst) {
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t.Errorf("%s: compare:\ngot: %#v\nwant: %#v", tc.desc, dst, tc.want)
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}
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}
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}
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type WithKey struct {
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X string
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I int
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K *Key `datastore:"__key__"`
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}
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type NestedWithKey struct {
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Y string
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N WithKey
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}
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var (
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incompleteKey = newKey("", nil)
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invalidKey = newKey("s", incompleteKey)
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)
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func TestLoadEntityNested(t *testing.T) {
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testCases := []struct {
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desc string
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src *pb.Entity
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want interface{}
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}{
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{
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desc: "nested basic",
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src: &pb.Entity{
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Properties: map[string]*pb.Value{
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"A": {ValueType: &pb.Value_EntityValue{
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EntityValue: &pb.Entity{
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Properties: map[string]*pb.Value{
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"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 3}},
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},
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},
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}},
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"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 10}},
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},
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},
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want: &NestedSimple{
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A: Simple{I: 3},
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I: 10,
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},
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},
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{
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desc: "nested with struct tags",
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src: &pb.Entity{
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Properties: map[string]*pb.Value{
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"AA": {ValueType: &pb.Value_EntityValue{
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EntityValue: &pb.Entity{
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Properties: map[string]*pb.Value{
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"II": {ValueType: &pb.Value_IntegerValue{IntegerValue: 1}},
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},
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},
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}},
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},
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},
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want: &NestedSimpleWithTag{
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A: SimpleWithTag{I: 1},
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},
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},
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{
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desc: "nested 2x",
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src: &pb.Entity{
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Properties: map[string]*pb.Value{
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"AA": {ValueType: &pb.Value_EntityValue{
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EntityValue: &pb.Entity{
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Properties: map[string]*pb.Value{
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"A": {ValueType: &pb.Value_EntityValue{
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EntityValue: &pb.Entity{
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Properties: map[string]*pb.Value{
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"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 3}},
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},
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},
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}},
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"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 1}},
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},
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},
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}},
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"A": {ValueType: &pb.Value_EntityValue{
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EntityValue: &pb.Entity{
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Properties: map[string]*pb.Value{
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"S": {ValueType: &pb.Value_StringValue{StringValue: "S"}},
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"SS": {ValueType: &pb.Value_StringValue{StringValue: "s"}},
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},
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},
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}},
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"S": {ValueType: &pb.Value_StringValue{StringValue: "SS"}},
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},
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},
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want: &NestedSimple2X{
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AA: NestedSimple{
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A: Simple{I: 3},
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I: 1,
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},
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A: SimpleTwoFields{S: "S", SS: "s"},
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S: "SS",
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},
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},
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{
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desc: "nested anonymous",
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src: &pb.Entity{
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Properties: map[string]*pb.Value{
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"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 3}},
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"X": {ValueType: &pb.Value_StringValue{StringValue: "SomeX"}},
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},
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},
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want: &NestedSimpleAnonymous{
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Simple: Simple{I: 3},
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X: "SomeX",
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},
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},
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{
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desc: "nested simple with slice",
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src: &pb.Entity{
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Properties: map[string]*pb.Value{
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"A": {ValueType: &pb.Value_ArrayValue{
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ArrayValue: &pb.ArrayValue{
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Values: []*pb.Value{
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{ValueType: &pb.Value_EntityValue{
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EntityValue: &pb.Entity{
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Properties: map[string]*pb.Value{
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"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 3}},
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},
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},
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}},
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{ValueType: &pb.Value_EntityValue{
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EntityValue: &pb.Entity{
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Properties: map[string]*pb.Value{
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"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 4}},
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},
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},
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}},
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},
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},
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}},
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},
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},
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want: &NestedSliceOfSimple{
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A: []Simple{Simple{I: 3}, Simple{I: 4}},
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},
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},
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{
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desc: "nested with multiple anonymous fields",
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src: &pb.Entity{
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Properties: map[string]*pb.Value{
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"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 3}},
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"S": {ValueType: &pb.Value_StringValue{StringValue: "S"}},
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"SS": {ValueType: &pb.Value_StringValue{StringValue: "s"}},
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"X": {ValueType: &pb.Value_StringValue{StringValue: "ss"}},
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},
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},
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want: &MultiAnonymous{
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Simple: Simple{I: 3},
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SimpleTwoFields: SimpleTwoFields{S: "S", SS: "s"},
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X: "ss",
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},
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},
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{
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desc: "nested with dotted field tag",
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src: &pb.Entity{
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Properties: map[string]*pb.Value{
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"A": {ValueType: &pb.Value_EntityValue{
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EntityValue: &pb.Entity{
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Properties: map[string]*pb.Value{
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"B.B": {ValueType: &pb.Value_StringValue{StringValue: "bb"}},
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},
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},
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}},
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},
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},
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want: &ABDotB{
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A: BDotB{
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B: "bb",
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},
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},
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},
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{
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desc: "nested entity with key",
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src: &pb.Entity{
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Key: keyToProto(testKey0),
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Properties: map[string]*pb.Value{
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"Y": {ValueType: &pb.Value_StringValue{StringValue: "yyy"}},
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"N": {ValueType: &pb.Value_EntityValue{
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EntityValue: &pb.Entity{
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Key: keyToProto(testKey1a),
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Properties: map[string]*pb.Value{
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"X": {ValueType: &pb.Value_StringValue{StringValue: "two"}},
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"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 2}},
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},
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},
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}},
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},
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},
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want: &NestedWithKey{
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Y: "yyy",
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N: WithKey{
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X: "two",
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I: 2,
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K: testKey1a,
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},
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},
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},
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{
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desc: "nested entity with invalid key",
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src: &pb.Entity{
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Key: keyToProto(testKey0),
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Properties: map[string]*pb.Value{
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"Y": {ValueType: &pb.Value_StringValue{StringValue: "yyy"}},
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"N": {ValueType: &pb.Value_EntityValue{
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EntityValue: &pb.Entity{
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Key: keyToProto(invalidKey),
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Properties: map[string]*pb.Value{
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"X": {ValueType: &pb.Value_StringValue{StringValue: "two"}},
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"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 2}},
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},
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},
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}},
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},
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},
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want: &NestedWithKey{
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Y: "yyy",
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N: WithKey{
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X: "two",
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I: 2,
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K: invalidKey,
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},
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},
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},
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}
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for _, tc := range testCases {
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dst := reflect.New(reflect.TypeOf(tc.want).Elem()).Interface()
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err := loadEntityProto(dst, tc.src)
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if err != nil {
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t.Errorf("loadEntityProto: %s: %v", tc.desc, err)
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continue
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}
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if !testutil.Equal(tc.want, dst) {
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t.Errorf("%s: compare:\ngot: %#v\nwant: %#v", tc.desc, dst, tc.want)
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}
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}
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}
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type NestedStructPtrs struct {
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*SimpleTwoFields
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Nest *SimpleTwoFields
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TwiceNest *NestedSimple2
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I int
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}
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type NestedSimple2 struct {
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A *Simple
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I int
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}
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func TestAlreadyPopulatedDst(t *testing.T) {
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testCases := []struct {
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desc string
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src *pb.Entity
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dst interface{}
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want interface{}
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}{
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{
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desc: "simple already populated, nil properties",
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src: &pb.Entity{
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Key: keyToProto(testKey0),
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Properties: map[string]*pb.Value{
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"I": {ValueType: &pb.Value_NullValue{}},
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},
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},
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dst: &Simple{
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I: 12,
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},
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want: &Simple{},
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},
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{
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desc: "nested structs already populated",
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src: &pb.Entity{
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Key: keyToProto(testKey0),
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Properties: map[string]*pb.Value{
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"SS": {ValueType: &pb.Value_StringValue{StringValue: "world"}},
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},
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},
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dst: &SimpleTwoFields{S: "hello" /* SS: "" */},
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want: &SimpleTwoFields{S: "hello", SS: "world"},
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},
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{
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desc: "nested structs already populated, pValues nil",
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src: &pb.Entity{
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Key: keyToProto(testKey0),
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Properties: map[string]*pb.Value{
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"S": {ValueType: &pb.Value_NullValue{}},
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"SS": {ValueType: &pb.Value_StringValue{StringValue: "ss hello"}},
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"Nest": {ValueType: &pb.Value_NullValue{}},
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"TwiceNest": {ValueType: &pb.Value_EntityValue{
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EntityValue: &pb.Entity{
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Properties: map[string]*pb.Value{
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"A": {ValueType: &pb.Value_NullValue{}},
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"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 2}},
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},
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},
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}},
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"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 5}},
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},
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},
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dst: &NestedStructPtrs{
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&SimpleTwoFields{S: "hello" /* SS: "" */},
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&SimpleTwoFields{ /* S: "" */ SS: "twice hello"},
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&NestedSimple2{
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A: &Simple{I: 2},
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/* I: 0 */
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},
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0,
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},
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want: &NestedStructPtrs{
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&SimpleTwoFields{ /* S: "" */ SS: "ss hello"},
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nil,
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&NestedSimple2{
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/* A: nil, */
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I: 2,
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},
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5,
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},
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},
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}
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for _, tc := range testCases {
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err := loadEntityProto(tc.dst, tc.src)
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if err != nil {
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t.Errorf("loadEntityProto: %s: %v", tc.desc, err)
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continue
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}
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if !testutil.Equal(tc.want, tc.dst) {
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t.Errorf("%s: compare:\ngot: %#v\nwant: %#v", tc.desc, tc.dst, tc.want)
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}
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}
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}
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type PLS0 struct {
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A string
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}
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func (p *PLS0) Load(props []Property) error {
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for _, pp := range props {
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if pp.Name == "A" {
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p.A = pp.Value.(string)
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}
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}
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return nil
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}
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func (p *PLS0) Save() (props []Property, err error) {
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return []Property{{Name: "A", Value: p.A}}, nil
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}
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type KeyLoader1 struct {
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A string
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K *Key
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}
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func (kl *KeyLoader1) Load(props []Property) error {
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for _, pp := range props {
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if pp.Name == "A" {
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kl.A = pp.Value.(string)
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}
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}
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return nil
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}
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func (kl *KeyLoader1) Save() (props []Property, err error) {
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return []Property{{Name: "A", Value: kl.A}}, nil
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}
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|
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func (kl *KeyLoader1) LoadKey(k *Key) error {
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kl.K = k
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return nil
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}
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|
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type KeyLoader2 struct {
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B int
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Key *Key
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}
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|
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func (kl *KeyLoader2) Load(props []Property) error {
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for _, pp := range props {
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if pp.Name == "B" {
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kl.B = int(pp.Value.(int64))
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}
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}
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return nil
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}
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|
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func (kl *KeyLoader2) Save() (props []Property, err error) {
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return []Property{{Name: "B", Value: int64(kl.B)}}, nil
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}
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|
|
func (kl *KeyLoader2) LoadKey(k *Key) error {
|
|
kl.Key = k
|
|
return nil
|
|
}
|
|
|
|
type KeyLoader3 struct {
|
|
C bool
|
|
K *Key
|
|
}
|
|
|
|
func (kl *KeyLoader3) Load(props []Property) error {
|
|
for _, pp := range props {
|
|
if pp.Name == "C" {
|
|
kl.C = pp.Value.(bool)
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (kl *KeyLoader3) Save() (props []Property, err error) {
|
|
return []Property{{Name: "C", Value: kl.C}}, nil
|
|
}
|
|
|
|
func (kl *KeyLoader3) LoadKey(k *Key) error {
|
|
kl.K = k
|
|
return nil
|
|
}
|
|
|
|
type KeyLoader4 struct {
|
|
PLS0
|
|
K *Key
|
|
}
|
|
|
|
func (kl *KeyLoader4) LoadKey(k *Key) error {
|
|
kl.K = k
|
|
return nil
|
|
}
|
|
|
|
type NotKeyLoader struct {
|
|
A string
|
|
K *Key
|
|
}
|
|
|
|
func (p *NotKeyLoader) Load(props []Property) error {
|
|
for _, pp := range props {
|
|
if pp.Name == "A" {
|
|
p.A = pp.Value.(string)
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (p *NotKeyLoader) Save() (props []Property, err error) {
|
|
return []Property{{Name: "A", Value: p.A}}, nil
|
|
}
|
|
|
|
type NestedKeyLoaders struct {
|
|
Two *KeyLoader2
|
|
Three []*KeyLoader3
|
|
Four *KeyLoader4
|
|
PLS *NotKeyLoader
|
|
}
|
|
|
|
func TestKeyLoader(t *testing.T) {
|
|
testCases := []struct {
|
|
desc string
|
|
src *pb.Entity
|
|
dst interface{}
|
|
want interface{}
|
|
}{
|
|
{
|
|
desc: "simple key loader",
|
|
src: &pb.Entity{
|
|
Key: keyToProto(testKey0),
|
|
Properties: map[string]*pb.Value{
|
|
"A": {ValueType: &pb.Value_StringValue{StringValue: "hello"}},
|
|
},
|
|
},
|
|
dst: &KeyLoader1{},
|
|
want: &KeyLoader1{
|
|
A: "hello",
|
|
K: testKey0,
|
|
},
|
|
},
|
|
{
|
|
desc: "embedded PLS key loader",
|
|
src: &pb.Entity{
|
|
Key: keyToProto(testKey0),
|
|
Properties: map[string]*pb.Value{
|
|
"A": {ValueType: &pb.Value_StringValue{StringValue: "hello"}},
|
|
},
|
|
},
|
|
dst: &KeyLoader4{},
|
|
want: &KeyLoader4{
|
|
PLS0: PLS0{A: "hello"},
|
|
K: testKey0,
|
|
},
|
|
},
|
|
{
|
|
desc: "nested key loaders",
|
|
src: &pb.Entity{
|
|
Key: keyToProto(testKey0),
|
|
Properties: map[string]*pb.Value{
|
|
"Two": {ValueType: &pb.Value_EntityValue{
|
|
EntityValue: &pb.Entity{
|
|
Properties: map[string]*pb.Value{
|
|
"B": {ValueType: &pb.Value_IntegerValue{IntegerValue: 12}},
|
|
},
|
|
Key: keyToProto(testKey1a),
|
|
},
|
|
}},
|
|
"Three": {ValueType: &pb.Value_ArrayValue{
|
|
ArrayValue: &pb.ArrayValue{
|
|
Values: []*pb.Value{
|
|
{ValueType: &pb.Value_EntityValue{
|
|
EntityValue: &pb.Entity{
|
|
Properties: map[string]*pb.Value{
|
|
"C": {ValueType: &pb.Value_BooleanValue{BooleanValue: true}},
|
|
},
|
|
Key: keyToProto(testKey1b),
|
|
},
|
|
}},
|
|
{ValueType: &pb.Value_EntityValue{
|
|
EntityValue: &pb.Entity{
|
|
Properties: map[string]*pb.Value{
|
|
"C": {ValueType: &pb.Value_BooleanValue{BooleanValue: false}},
|
|
},
|
|
Key: keyToProto(testKey0),
|
|
},
|
|
}},
|
|
},
|
|
},
|
|
}},
|
|
"Four": {ValueType: &pb.Value_EntityValue{
|
|
EntityValue: &pb.Entity{
|
|
Properties: map[string]*pb.Value{
|
|
"A": {ValueType: &pb.Value_StringValue{StringValue: "testing"}},
|
|
},
|
|
Key: keyToProto(testKey2a),
|
|
},
|
|
}},
|
|
"PLS": {ValueType: &pb.Value_EntityValue{
|
|
EntityValue: &pb.Entity{
|
|
Properties: map[string]*pb.Value{
|
|
"A": {ValueType: &pb.Value_StringValue{StringValue: "something"}},
|
|
},
|
|
|
|
Key: keyToProto(testKey1a),
|
|
},
|
|
}},
|
|
},
|
|
},
|
|
dst: &NestedKeyLoaders{},
|
|
want: &NestedKeyLoaders{
|
|
Two: &KeyLoader2{B: 12, Key: testKey1a},
|
|
Three: []*KeyLoader3{
|
|
{
|
|
C: true,
|
|
K: testKey1b,
|
|
},
|
|
{
|
|
C: false,
|
|
K: testKey0,
|
|
},
|
|
},
|
|
Four: &KeyLoader4{
|
|
PLS0: PLS0{A: "testing"},
|
|
K: testKey2a,
|
|
},
|
|
PLS: &NotKeyLoader{A: "something"},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
err := loadEntityProto(tc.dst, tc.src)
|
|
if err != nil {
|
|
t.Errorf("loadEntityProto: %s: %v", tc.desc, err)
|
|
continue
|
|
}
|
|
|
|
if !testutil.Equal(tc.want, tc.dst) {
|
|
t.Errorf("%s: compare:\ngot: %+v\nwant: %+v", tc.desc, tc.dst, tc.want)
|
|
}
|
|
}
|
|
}
|