| // Copyright 2016 Google Inc. All Rights Reserved. |
| // |
| // 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 |
| // |
| // http://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 datastore |
| |
| import ( |
| "reflect" |
| "testing" |
| |
| "cloud.google.com/go/internal/testutil" |
| |
| pb "google.golang.org/genproto/googleapis/datastore/v1" |
| ) |
| |
| type Simple struct { |
| I int64 |
| } |
| |
| type SimpleWithTag struct { |
| I int64 `datastore:"II"` |
| } |
| |
| type NestedSimpleWithTag struct { |
| A SimpleWithTag `datastore:"AA"` |
| } |
| |
| type NestedSliceOfSimple struct { |
| A []Simple |
| } |
| |
| type SimpleTwoFields struct { |
| S string |
| SS string |
| } |
| |
| type NestedSimpleAnonymous struct { |
| Simple |
| X string |
| } |
| |
| type NestedSimple struct { |
| A Simple |
| I int |
| } |
| |
| type NestedSimple1 struct { |
| A Simple |
| X string |
| } |
| |
| type NestedSimple2X struct { |
| AA NestedSimple |
| A SimpleTwoFields |
| S string |
| } |
| |
| type BDotB struct { |
| B string `datastore:"B.B"` |
| } |
| |
| type ABDotB struct { |
| A BDotB |
| } |
| |
| type MultiAnonymous struct { |
| Simple |
| SimpleTwoFields |
| X string |
| } |
| |
| func TestLoadEntityNestedLegacy(t *testing.T) { |
| testCases := []struct { |
| desc string |
| src *pb.Entity |
| want interface{} |
| }{ |
| { |
| desc: "nested", |
| src: &pb.Entity{ |
| Key: keyToProto(testKey0), |
| Properties: map[string]*pb.Value{ |
| "X": {ValueType: &pb.Value_StringValue{StringValue: "two"}}, |
| "A.I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 2}}, |
| }, |
| }, |
| want: &NestedSimple1{ |
| A: Simple{I: 2}, |
| X: "two", |
| }, |
| }, |
| { |
| desc: "nested with tag", |
| src: &pb.Entity{ |
| Key: keyToProto(testKey0), |
| Properties: map[string]*pb.Value{ |
| "AA.II": {ValueType: &pb.Value_IntegerValue{IntegerValue: 2}}, |
| }, |
| }, |
| want: &NestedSimpleWithTag{ |
| A: SimpleWithTag{I: 2}, |
| }, |
| }, |
| { |
| desc: "nested with anonymous struct field", |
| src: &pb.Entity{ |
| Key: keyToProto(testKey0), |
| Properties: map[string]*pb.Value{ |
| "X": {ValueType: &pb.Value_StringValue{StringValue: "two"}}, |
| "I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 2}}, |
| }, |
| }, |
| want: &NestedSimpleAnonymous{ |
| Simple: Simple{I: 2}, |
| X: "two", |
| }, |
| }, |
| { |
| desc: "nested with dotted field tag", |
| src: &pb.Entity{ |
| Key: keyToProto(testKey0), |
| Properties: map[string]*pb.Value{ |
| "A.B.B": {ValueType: &pb.Value_StringValue{StringValue: "bb"}}, |
| }, |
| }, |
| want: &ABDotB{ |
| A: BDotB{ |
| B: "bb", |
| }, |
| }, |
| }, |
| { |
| desc: "nested with multiple anonymous fields", |
| src: &pb.Entity{ |
| Key: keyToProto(testKey0), |
| Properties: map[string]*pb.Value{ |
| "I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 3}}, |
| "S": {ValueType: &pb.Value_StringValue{StringValue: "S"}}, |
| "SS": {ValueType: &pb.Value_StringValue{StringValue: "s"}}, |
| "X": {ValueType: &pb.Value_StringValue{StringValue: "s"}}, |
| }, |
| }, |
| want: &MultiAnonymous{ |
| Simple: Simple{I: 3}, |
| SimpleTwoFields: SimpleTwoFields{S: "S", SS: "s"}, |
| X: "s", |
| }, |
| }, |
| } |
| |
| for _, tc := range testCases { |
| dst := reflect.New(reflect.TypeOf(tc.want).Elem()).Interface() |
| err := loadEntityProto(dst, tc.src) |
| if err != nil { |
| t.Errorf("loadEntityProto: %s: %v", tc.desc, err) |
| continue |
| } |
| |
| if !testutil.Equal(tc.want, dst) { |
| t.Errorf("%s: compare:\ngot: %#v\nwant: %#v", tc.desc, dst, tc.want) |
| } |
| } |
| } |
| |
| type WithKey struct { |
| X string |
| I int |
| K *Key `datastore:"__key__"` |
| } |
| |
| type NestedWithKey struct { |
| Y string |
| N WithKey |
| } |
| |
| var ( |
| incompleteKey = newKey("", nil) |
| invalidKey = newKey("s", incompleteKey) |
| ) |
| |
| func TestLoadEntityNested(t *testing.T) { |
| testCases := []struct { |
| desc string |
| src *pb.Entity |
| want interface{} |
| }{ |
| { |
| desc: "nested basic", |
| src: &pb.Entity{ |
| Properties: map[string]*pb.Value{ |
| "A": {ValueType: &pb.Value_EntityValue{ |
| EntityValue: &pb.Entity{ |
| Properties: map[string]*pb.Value{ |
| "I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 3}}, |
| }, |
| }, |
| }}, |
| "I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 10}}, |
| }, |
| }, |
| want: &NestedSimple{ |
| A: Simple{I: 3}, |
| I: 10, |
| }, |
| }, |
| { |
| desc: "nested with struct tags", |
| src: &pb.Entity{ |
| Properties: map[string]*pb.Value{ |
| "AA": {ValueType: &pb.Value_EntityValue{ |
| EntityValue: &pb.Entity{ |
| Properties: map[string]*pb.Value{ |
| "II": {ValueType: &pb.Value_IntegerValue{IntegerValue: 1}}, |
| }, |
| }, |
| }}, |
| }, |
| }, |
| want: &NestedSimpleWithTag{ |
| A: SimpleWithTag{I: 1}, |
| }, |
| }, |
| { |
| desc: "nested 2x", |
| src: &pb.Entity{ |
| Properties: map[string]*pb.Value{ |
| "AA": {ValueType: &pb.Value_EntityValue{ |
| EntityValue: &pb.Entity{ |
| Properties: map[string]*pb.Value{ |
| "A": {ValueType: &pb.Value_EntityValue{ |
| EntityValue: &pb.Entity{ |
| Properties: map[string]*pb.Value{ |
| "I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 3}}, |
| }, |
| }, |
| }}, |
| "I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 1}}, |
| }, |
| }, |
| }}, |
| "A": {ValueType: &pb.Value_EntityValue{ |
| EntityValue: &pb.Entity{ |
| Properties: map[string]*pb.Value{ |
| "S": {ValueType: &pb.Value_StringValue{StringValue: "S"}}, |
| "SS": {ValueType: &pb.Value_StringValue{StringValue: "s"}}, |
| }, |
| }, |
| }}, |
| "S": {ValueType: &pb.Value_StringValue{StringValue: "SS"}}, |
| }, |
| }, |
| want: &NestedSimple2X{ |
| AA: NestedSimple{ |
| A: Simple{I: 3}, |
| I: 1, |
| }, |
| A: SimpleTwoFields{S: "S", SS: "s"}, |
| S: "SS", |
| }, |
| }, |
| { |
| desc: "nested anonymous", |
| src: &pb.Entity{ |
| Properties: map[string]*pb.Value{ |
| "I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 3}}, |
| "X": {ValueType: &pb.Value_StringValue{StringValue: "SomeX"}}, |
| }, |
| }, |
| want: &NestedSimpleAnonymous{ |
| Simple: Simple{I: 3}, |
| X: "SomeX", |
| }, |
| }, |
| { |
| desc: "nested simple with slice", |
| src: &pb.Entity{ |
| Properties: map[string]*pb.Value{ |
| "A": {ValueType: &pb.Value_ArrayValue{ |
| ArrayValue: &pb.ArrayValue{ |
| Values: []*pb.Value{ |
| {ValueType: &pb.Value_EntityValue{ |
| EntityValue: &pb.Entity{ |
| Properties: map[string]*pb.Value{ |
| "I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 3}}, |
| }, |
| }, |
| }}, |
| {ValueType: &pb.Value_EntityValue{ |
| EntityValue: &pb.Entity{ |
| Properties: map[string]*pb.Value{ |
| "I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 4}}, |
| }, |
| }, |
| }}, |
| }, |
| }, |
| }}, |
| }, |
| }, |
| |
| want: &NestedSliceOfSimple{ |
| A: []Simple{Simple{I: 3}, Simple{I: 4}}, |
| }, |
| }, |
| { |
| desc: "nested with multiple anonymous fields", |
| src: &pb.Entity{ |
| Properties: map[string]*pb.Value{ |
| "I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 3}}, |
| "S": {ValueType: &pb.Value_StringValue{StringValue: "S"}}, |
| "SS": {ValueType: &pb.Value_StringValue{StringValue: "s"}}, |
| "X": {ValueType: &pb.Value_StringValue{StringValue: "ss"}}, |
| }, |
| }, |
| want: &MultiAnonymous{ |
| Simple: Simple{I: 3}, |
| SimpleTwoFields: SimpleTwoFields{S: "S", SS: "s"}, |
| X: "ss", |
| }, |
| }, |
| { |
| desc: "nested with dotted field tag", |
| src: &pb.Entity{ |
| Properties: map[string]*pb.Value{ |
| "A": {ValueType: &pb.Value_EntityValue{ |
| EntityValue: &pb.Entity{ |
| Properties: map[string]*pb.Value{ |
| "B.B": {ValueType: &pb.Value_StringValue{StringValue: "bb"}}, |
| }, |
| }, |
| }}, |
| }, |
| }, |
| want: &ABDotB{ |
| A: BDotB{ |
| B: "bb", |
| }, |
| }, |
| }, |
| { |
| desc: "nested entity with key", |
| src: &pb.Entity{ |
| Key: keyToProto(testKey0), |
| Properties: map[string]*pb.Value{ |
| "Y": {ValueType: &pb.Value_StringValue{StringValue: "yyy"}}, |
| "N": {ValueType: &pb.Value_EntityValue{ |
| EntityValue: &pb.Entity{ |
| Key: keyToProto(testKey1a), |
| Properties: map[string]*pb.Value{ |
| "X": {ValueType: &pb.Value_StringValue{StringValue: "two"}}, |
| "I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 2}}, |
| }, |
| }, |
| }}, |
| }, |
| }, |
| want: &NestedWithKey{ |
| Y: "yyy", |
| N: WithKey{ |
| X: "two", |
| I: 2, |
| K: testKey1a, |
| }, |
| }, |
| }, |
| { |
| desc: "nested entity with invalid key", |
| src: &pb.Entity{ |
| Key: keyToProto(testKey0), |
| Properties: map[string]*pb.Value{ |
| "Y": {ValueType: &pb.Value_StringValue{StringValue: "yyy"}}, |
| "N": {ValueType: &pb.Value_EntityValue{ |
| EntityValue: &pb.Entity{ |
| Key: keyToProto(invalidKey), |
| Properties: map[string]*pb.Value{ |
| "X": {ValueType: &pb.Value_StringValue{StringValue: "two"}}, |
| "I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 2}}, |
| }, |
| }, |
| }}, |
| }, |
| }, |
| want: &NestedWithKey{ |
| Y: "yyy", |
| N: WithKey{ |
| X: "two", |
| I: 2, |
| K: invalidKey, |
| }, |
| }, |
| }, |
| } |
| |
| for _, tc := range testCases { |
| dst := reflect.New(reflect.TypeOf(tc.want).Elem()).Interface() |
| err := loadEntityProto(dst, tc.src) |
| if err != nil { |
| t.Errorf("loadEntityProto: %s: %v", tc.desc, err) |
| continue |
| } |
| |
| if !testutil.Equal(tc.want, dst) { |
| t.Errorf("%s: compare:\ngot: %#v\nwant: %#v", tc.desc, dst, tc.want) |
| } |
| } |
| } |
| |
| type NestedStructPtrs struct { |
| *SimpleTwoFields |
| Nest *SimpleTwoFields |
| TwiceNest *NestedSimple2 |
| I int |
| } |
| |
| type NestedSimple2 struct { |
| A *Simple |
| I int |
| } |
| |
| func TestAlreadyPopulatedDst(t *testing.T) { |
| testCases := []struct { |
| desc string |
| src *pb.Entity |
| dst interface{} |
| want interface{} |
| }{ |
| { |
| desc: "simple already populated, nil properties", |
| src: &pb.Entity{ |
| Key: keyToProto(testKey0), |
| Properties: map[string]*pb.Value{ |
| "I": {ValueType: &pb.Value_NullValue{}}, |
| }, |
| }, |
| dst: &Simple{ |
| I: 12, |
| }, |
| want: &Simple{}, |
| }, |
| { |
| desc: "nested structs already populated", |
| src: &pb.Entity{ |
| Key: keyToProto(testKey0), |
| Properties: map[string]*pb.Value{ |
| "SS": {ValueType: &pb.Value_StringValue{StringValue: "world"}}, |
| }, |
| }, |
| dst: &SimpleTwoFields{S: "hello" /* SS: "" */}, |
| want: &SimpleTwoFields{S: "hello", SS: "world"}, |
| }, |
| { |
| desc: "nested structs already populated, pValues nil", |
| src: &pb.Entity{ |
| Key: keyToProto(testKey0), |
| Properties: map[string]*pb.Value{ |
| "S": {ValueType: &pb.Value_NullValue{}}, |
| "SS": {ValueType: &pb.Value_StringValue{StringValue: "ss hello"}}, |
| "Nest": {ValueType: &pb.Value_NullValue{}}, |
| "TwiceNest": {ValueType: &pb.Value_EntityValue{ |
| EntityValue: &pb.Entity{ |
| Properties: map[string]*pb.Value{ |
| "A": {ValueType: &pb.Value_NullValue{}}, |
| "I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 2}}, |
| }, |
| }, |
| }}, |
| "I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 5}}, |
| }, |
| }, |
| dst: &NestedStructPtrs{ |
| &SimpleTwoFields{S: "hello" /* SS: "" */}, |
| &SimpleTwoFields{ /* S: "" */ SS: "twice hello"}, |
| &NestedSimple2{ |
| A: &Simple{I: 2}, |
| /* I: 0 */ |
| }, |
| 0, |
| }, |
| want: &NestedStructPtrs{ |
| &SimpleTwoFields{ /* S: "" */ SS: "ss hello"}, |
| nil, |
| &NestedSimple2{ |
| /* A: nil, */ |
| I: 2, |
| }, |
| 5, |
| }, |
| }, |
| } |
| |
| 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) |
| } |
| } |
| } |
| |
| type PLS0 struct { |
| A string |
| } |
| |
| func (p *PLS0) Load(props []Property) error { |
| for _, pp := range props { |
| if pp.Name == "A" { |
| p.A = pp.Value.(string) |
| } |
| } |
| return nil |
| } |
| |
| func (p *PLS0) Save() (props []Property, err error) { |
| return []Property{{Name: "A", Value: p.A}}, nil |
| } |
| |
| type KeyLoader1 struct { |
| A string |
| K *Key |
| } |
| |
| func (kl *KeyLoader1) Load(props []Property) error { |
| for _, pp := range props { |
| if pp.Name == "A" { |
| kl.A = pp.Value.(string) |
| } |
| } |
| return nil |
| } |
| |
| func (kl *KeyLoader1) Save() (props []Property, err error) { |
| return []Property{{Name: "A", Value: kl.A}}, nil |
| } |
| |
| func (kl *KeyLoader1) LoadKey(k *Key) error { |
| kl.K = k |
| return nil |
| } |
| |
| type KeyLoader2 struct { |
| B int |
| Key *Key |
| } |
| |
| func (kl *KeyLoader2) Load(props []Property) error { |
| for _, pp := range props { |
| if pp.Name == "B" { |
| kl.B = int(pp.Value.(int64)) |
| } |
| } |
| return nil |
| } |
| |
| func (kl *KeyLoader2) Save() (props []Property, err error) { |
| return []Property{{Name: "B", Value: int64(kl.B)}}, nil |
| } |
| |
| 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) |
| } |
| } |
| } |