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restic/vendor/cloud.google.com/go/datastore/datastore_test.go
Alexander Neumann 8ca6a9a240 Vendor dependencies for GCS
2017-08-06 21:47:56 +02:00

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// Copyright 2014 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 (
"encoding/json"
"errors"
"fmt"
"reflect"
"sort"
"strings"
"testing"
"time"
"github.com/golang/protobuf/proto"
"golang.org/x/net/context"
pb "google.golang.org/genproto/googleapis/datastore/v1"
"google.golang.org/grpc"
)
type (
myBlob []byte
myByte byte
myString string
)
func makeMyByteSlice(n int) []myByte {
b := make([]myByte, n)
for i := range b {
b[i] = myByte(i)
}
return b
}
func makeInt8Slice(n int) []int8 {
b := make([]int8, n)
for i := range b {
b[i] = int8(i)
}
return b
}
func makeUint8Slice(n int) []uint8 {
b := make([]uint8, n)
for i := range b {
b[i] = uint8(i)
}
return b
}
func newKey(stringID string, parent *Key) *Key {
return NameKey("kind", stringID, parent)
}
var (
testKey0 = newKey("name0", nil)
testKey1a = newKey("name1", nil)
testKey1b = newKey("name1", nil)
testKey2a = newKey("name2", testKey0)
testKey2b = newKey("name2", testKey0)
testGeoPt0 = GeoPoint{Lat: 1.2, Lng: 3.4}
testGeoPt1 = GeoPoint{Lat: 5, Lng: 10}
testBadGeoPt = GeoPoint{Lat: 1000, Lng: 34}
ts = time.Unix(1e9, 0).UTC()
)
type B0 struct {
B []byte `datastore:",noindex"`
}
type B1 struct {
B []int8
}
type B2 struct {
B myBlob `datastore:",noindex"`
}
type B3 struct {
B []myByte `datastore:",noindex"`
}
type B4 struct {
B [][]byte
}
type C0 struct {
I int
C chan int
}
type C1 struct {
I int
C *chan int
}
type C2 struct {
I int
C []chan int
}
type C3 struct {
C string
}
type c4 struct {
C string
}
type E struct{}
type G0 struct {
G GeoPoint
}
type G1 struct {
G []GeoPoint
}
type K0 struct {
K *Key
}
type K1 struct {
K []*Key
}
type S struct {
St string
}
type NoOmit struct {
A string
B int `datastore:"Bb"`
C bool `datastore:",noindex"`
}
type OmitAll struct {
A string `datastore:",omitempty"`
B int `datastore:"Bb,omitempty"`
C bool `datastore:",omitempty,noindex"`
F []int `datastore:",omitempty"`
}
type Omit struct {
A string `datastore:",omitempty"`
B int `datastore:"Bb,omitempty"`
C bool `datastore:",omitempty,noindex"`
F []int `datastore:",omitempty"`
S `datastore:",omitempty"`
}
type NoOmits struct {
No []NoOmit `datastore:",omitempty"`
S `datastore:",omitempty"`
Ss S `datastore:",omitempty"`
}
type N0 struct {
X0
Nonymous X0
Ignore string `datastore:"-"`
Other string
}
type N1 struct {
X0
Nonymous []X0
Ignore string `datastore:"-"`
Other string
}
type N2 struct {
N1 `datastore:"red"`
Green N1 `datastore:"green"`
Blue N1
White N1 `datastore:"-"`
}
type N3 struct {
C3 `datastore:"red"`
}
type N4 struct {
c4
}
type N5 struct {
c4 `datastore:"red"`
}
type O0 struct {
I int64
}
type O1 struct {
I int32
}
type U0 struct {
U uint
}
type U1 struct {
U string
}
type T struct {
T time.Time
}
type X0 struct {
S string
I int
i int
}
type X1 struct {
S myString
I int32
J int64
}
type X2 struct {
Z string
i int
}
type X3 struct {
S bool
I int
}
type Y0 struct {
B bool
F []float64
G []float64
}
type Y1 struct {
B bool
F float64
}
type Y2 struct {
B bool
F []int64
}
type Tagged struct {
A int `datastore:"a,noindex"`
B []int `datastore:"b"`
C int `datastore:",noindex"`
D int `datastore:""`
E int
I int `datastore:"-"`
J int `datastore:",noindex" json:"j"`
Y0 `datastore:"-"`
Z chan int `datastore:"-"`
}
type InvalidTagged1 struct {
I int `datastore:"\t"`
}
type InvalidTagged2 struct {
I int
J int `datastore:"I"`
}
type InvalidTagged3 struct {
X string `datastore:"-,noindex"`
}
type InvalidTagged4 struct {
X string `datastore:",garbage"`
}
type Inner1 struct {
W int32
X string
}
type Inner2 struct {
Y float64
}
type Inner3 struct {
Z bool
}
type Inner5 struct {
WW int
}
type Inner4 struct {
X Inner5
}
type Outer struct {
A int16
I []Inner1
J Inner2
Inner3
}
type OuterFlatten struct {
A int16
I []Inner1 `datastore:",flatten"`
J Inner2 `datastore:",flatten,noindex"`
Inner3 `datastore:",flatten"`
K Inner4 `datastore:",flatten"`
}
type OuterEquivalent struct {
A int16
IDotW []int32 `datastore:"I.W"`
IDotX []string `datastore:"I.X"`
JDotY float64 `datastore:"J.Y"`
Z bool
}
type Dotted struct {
A DottedA `datastore:"A0.A1.A2"`
}
type DottedA struct {
B DottedB `datastore:"B3"`
}
type DottedB struct {
C int `datastore:"C4.C5"`
}
type SliceOfSlices struct {
I int
S []struct {
J int
F []float64
} `datastore:",flatten"`
}
type Recursive struct {
I int
R []Recursive
}
type MutuallyRecursive0 struct {
I int
R []MutuallyRecursive1
}
type MutuallyRecursive1 struct {
I int
R []MutuallyRecursive0
}
type EntityWithKey struct {
I int
S string
K *Key `datastore:"__key__"`
}
type EntityWithKey2 EntityWithKey
type WithNestedEntityWithKey struct {
N EntityWithKey
}
type WithNonKeyField struct {
I int
K string `datastore:"__key__"`
}
type NestedWithNonKeyField struct {
N WithNonKeyField
}
type Basic struct {
A string
}
type PtrToStructField struct {
B *Basic
C *Basic `datastore:"c,noindex"`
*Basic
D []*Basic
}
var two int = 2
type PtrToInt struct {
I *int
}
type EmbeddedTime struct {
time.Time
}
type SpecialTime struct {
MyTime EmbeddedTime
}
type Doubler struct {
S string
I int64
B bool
}
type Repeat struct {
Key string
Value []byte
}
type Repeated struct {
Repeats []Repeat
}
func (d *Doubler) Load(props []Property) error {
return LoadStruct(d, props)
}
func (d *Doubler) Save() ([]Property, error) {
// Save the default Property slice to an in-memory buffer (a PropertyList).
props, err := SaveStruct(d)
if err != nil {
return nil, err
}
var list PropertyList
if err := list.Load(props); err != nil {
return nil, err
}
// Edit that PropertyList, and send it on.
for i := range list {
switch v := list[i].Value.(type) {
case string:
// + means string concatenation.
list[i].Value = v + v
case int64:
// + means integer addition.
list[i].Value = v + v
}
}
return list.Save()
}
var _ PropertyLoadSaver = (*Doubler)(nil)
type Deriver struct {
S, Derived, Ignored string
}
func (e *Deriver) Load(props []Property) error {
for _, p := range props {
if p.Name != "S" {
continue
}
e.S = p.Value.(string)
e.Derived = "derived+" + e.S
}
return nil
}
func (e *Deriver) Save() ([]Property, error) {
return []Property{
{
Name: "S",
Value: e.S,
},
}, nil
}
var _ PropertyLoadSaver = (*Deriver)(nil)
type BadMultiPropEntity struct{}
func (e *BadMultiPropEntity) Load(props []Property) error {
return errors.New("unimplemented")
}
func (e *BadMultiPropEntity) Save() ([]Property, error) {
// Write multiple properties with the same name "I".
var props []Property
for i := 0; i < 3; i++ {
props = append(props, Property{
Name: "I",
Value: int64(i),
})
}
return props, nil
}
var _ PropertyLoadSaver = (*BadMultiPropEntity)(nil)
type testCase struct {
desc string
src interface{}
want interface{}
putErr string
getErr string
}
var testCases = []testCase{
{
"chan save fails",
&C0{I: -1},
&E{},
"unsupported struct field",
"",
},
{
"*chan save fails",
&C1{I: -1},
&E{},
"unsupported struct field",
"",
},
{
"[]chan save fails",
&C2{I: -1, C: make([]chan int, 8)},
&E{},
"unsupported struct field",
"",
},
{
"chan load fails",
&C3{C: "not a chan"},
&C0{},
"",
"type mismatch",
},
{
"*chan load fails",
&C3{C: "not a *chan"},
&C1{},
"",
"type mismatch",
},
{
"[]chan load fails",
&C3{C: "not a []chan"},
&C2{},
"",
"type mismatch",
},
{
"empty struct",
&E{},
&E{},
"",
"",
},
{
"geopoint",
&G0{G: testGeoPt0},
&G0{G: testGeoPt0},
"",
"",
},
{
"geopoint invalid",
&G0{G: testBadGeoPt},
&G0{},
"invalid GeoPoint value",
"",
},
{
"geopoint as props",
&G0{G: testGeoPt0},
&PropertyList{
Property{Name: "G", Value: testGeoPt0, NoIndex: false},
},
"",
"",
},
{
"geopoint slice",
&G1{G: []GeoPoint{testGeoPt0, testGeoPt1}},
&G1{G: []GeoPoint{testGeoPt0, testGeoPt1}},
"",
"",
},
{
"omit empty, all",
&OmitAll{},
new(PropertyList),
"",
"",
},
{
"omit empty",
&Omit{},
&PropertyList{
Property{Name: "St", Value: "", NoIndex: false},
},
"",
"",
},
{
"omit empty, fields populated",
&Omit{
A: "a",
B: 10,
C: true,
F: []int{11},
},
&PropertyList{
Property{Name: "A", Value: "a", NoIndex: false},
Property{Name: "Bb", Value: int64(10), NoIndex: false},
Property{Name: "C", Value: true, NoIndex: true},
Property{Name: "F", Value: []interface{}{int64(11)}, NoIndex: false},
Property{Name: "St", Value: "", NoIndex: false},
},
"",
"",
},
{
"omit empty, fields populated",
&Omit{
A: "a",
B: 10,
C: true,
F: []int{11},
S: S{St: "string"},
},
&PropertyList{
Property{Name: "A", Value: "a", NoIndex: false},
Property{Name: "Bb", Value: int64(10), NoIndex: false},
Property{Name: "C", Value: true, NoIndex: true},
Property{Name: "F", Value: []interface{}{int64(11)}, NoIndex: false},
Property{Name: "St", Value: "string", NoIndex: false},
},
"",
"",
},
{
"omit empty does not propagate",
&NoOmits{
No: []NoOmit{
NoOmit{},
},
S: S{},
Ss: S{},
},
&PropertyList{
Property{Name: "No", Value: []interface{}{
&Entity{
Properties: []Property{
Property{Name: "A", Value: "", NoIndex: false},
Property{Name: "Bb", Value: int64(0), NoIndex: false},
Property{Name: "C", Value: false, NoIndex: true},
},
},
}, NoIndex: false},
Property{Name: "Ss", Value: &Entity{
Properties: []Property{
Property{Name: "St", Value: "", NoIndex: false},
},
}, NoIndex: false},
Property{Name: "St", Value: "", NoIndex: false},
},
"",
"",
},
{
"key",
&K0{K: testKey1a},
&K0{K: testKey1b},
"",
"",
},
{
"key with parent",
&K0{K: testKey2a},
&K0{K: testKey2b},
"",
"",
},
{
"nil key",
&K0{},
&K0{},
"",
"",
},
{
"all nil keys in slice",
&K1{[]*Key{nil, nil}},
&K1{[]*Key{nil, nil}},
"",
"",
},
{
"some nil keys in slice",
&K1{[]*Key{testKey1a, nil, testKey2a}},
&K1{[]*Key{testKey1b, nil, testKey2b}},
"",
"",
},
{
"overflow",
&O0{I: 1 << 48},
&O1{},
"",
"overflow",
},
{
"time",
&T{T: time.Unix(1e9, 0)},
&T{T: time.Unix(1e9, 0)},
"",
"",
},
{
"time as props",
&T{T: time.Unix(1e9, 0)},
&PropertyList{
Property{Name: "T", Value: time.Unix(1e9, 0), NoIndex: false},
},
"",
"",
},
{
"uint save",
&U0{U: 1},
&U0{},
"unsupported struct field",
"",
},
{
"uint load",
&U1{U: "not a uint"},
&U0{},
"",
"type mismatch",
},
{
"zero",
&X0{},
&X0{},
"",
"",
},
{
"basic",
&X0{S: "one", I: 2, i: 3},
&X0{S: "one", I: 2},
"",
"",
},
{
"save string/int load myString/int32",
&X0{S: "one", I: 2, i: 3},
&X1{S: "one", I: 2},
"",
"",
},
{
"missing fields",
&X0{S: "one", I: 2, i: 3},
&X2{},
"",
"no such struct field",
},
{
"save string load bool",
&X0{S: "one", I: 2, i: 3},
&X3{I: 2},
"",
"type mismatch",
},
{
"basic slice",
&Y0{B: true, F: []float64{7, 8, 9}},
&Y0{B: true, F: []float64{7, 8, 9}},
"",
"",
},
{
"save []float64 load float64",
&Y0{B: true, F: []float64{7, 8, 9}},
&Y1{B: true},
"",
"requires a slice",
},
{
"save []float64 load []int64",
&Y0{B: true, F: []float64{7, 8, 9}},
&Y2{B: true},
"",
"type mismatch",
},
{
"single slice is too long",
&Y0{F: make([]float64, maxIndexedProperties+1)},
&Y0{},
"too many indexed properties",
"",
},
{
"two slices are too long",
&Y0{F: make([]float64, maxIndexedProperties), G: make([]float64, maxIndexedProperties)},
&Y0{},
"too many indexed properties",
"",
},
{
"one slice and one scalar are too long",
&Y0{F: make([]float64, maxIndexedProperties), B: true},
&Y0{},
"too many indexed properties",
"",
},
{
"slice of slices of bytes",
&Repeated{
Repeats: []Repeat{
{
Key: "key 1",
Value: []byte("value 1"),
},
{
Key: "key 2",
Value: []byte("value 2"),
},
},
},
&Repeated{
Repeats: []Repeat{
{
Key: "key 1",
Value: []byte("value 1"),
},
{
Key: "key 2",
Value: []byte("value 2"),
},
},
},
"",
"",
},
{
"long blob",
&B0{B: makeUint8Slice(maxIndexedProperties + 1)},
&B0{B: makeUint8Slice(maxIndexedProperties + 1)},
"",
"",
},
{
"long []int8 is too long",
&B1{B: makeInt8Slice(maxIndexedProperties + 1)},
&B1{},
"too many indexed properties",
"",
},
{
"short []int8",
&B1{B: makeInt8Slice(3)},
&B1{B: makeInt8Slice(3)},
"",
"",
},
{
"long myBlob",
&B2{B: makeUint8Slice(maxIndexedProperties + 1)},
&B2{B: makeUint8Slice(maxIndexedProperties + 1)},
"",
"",
},
{
"short myBlob",
&B2{B: makeUint8Slice(3)},
&B2{B: makeUint8Slice(3)},
"",
"",
},
{
"long []myByte",
&B3{B: makeMyByteSlice(maxIndexedProperties + 1)},
&B3{B: makeMyByteSlice(maxIndexedProperties + 1)},
"",
"",
},
{
"short []myByte",
&B3{B: makeMyByteSlice(3)},
&B3{B: makeMyByteSlice(3)},
"",
"",
},
{
"slice of blobs",
&B4{B: [][]byte{
makeUint8Slice(3),
makeUint8Slice(4),
makeUint8Slice(5),
}},
&B4{B: [][]byte{
makeUint8Slice(3),
makeUint8Slice(4),
makeUint8Slice(5),
}},
"",
"",
},
{
"[]byte must be noindex",
&PropertyList{
Property{Name: "B", Value: makeUint8Slice(1501), NoIndex: false},
},
nil,
"[]byte property too long to index",
"",
},
{
"string must be noindex",
&PropertyList{
Property{Name: "B", Value: strings.Repeat("x", 1501), NoIndex: false},
},
nil,
"string property too long to index",
"",
},
{
"slice of []byte must be noindex",
&PropertyList{
Property{Name: "B", Value: []interface{}{
[]byte("short"),
makeUint8Slice(1501),
}, NoIndex: false},
},
nil,
"[]byte property too long to index",
"",
},
{
"slice of string must be noindex",
&PropertyList{
Property{Name: "B", Value: []interface{}{
"short",
strings.Repeat("x", 1501),
}, NoIndex: false},
},
nil,
"string property too long to index",
"",
},
{
"save tagged load props",
&Tagged{A: 1, B: []int{21, 22, 23}, C: 3, D: 4, E: 5, I: 6, J: 7},
&PropertyList{
// A and B are renamed to a and b; A and C are noindex, I is ignored.
// Order is sorted as per byName.
Property{Name: "C", Value: int64(3), NoIndex: true},
Property{Name: "D", Value: int64(4), NoIndex: false},
Property{Name: "E", Value: int64(5), NoIndex: false},
Property{Name: "J", Value: int64(7), NoIndex: true},
Property{Name: "a", Value: int64(1), NoIndex: true},
Property{Name: "b", Value: []interface{}{int64(21), int64(22), int64(23)}, NoIndex: false},
},
"",
"",
},
{
"save tagged load tagged",
&Tagged{A: 1, B: []int{21, 22, 23}, C: 3, D: 4, E: 5, I: 6, J: 7},
&Tagged{A: 1, B: []int{21, 22, 23}, C: 3, D: 4, E: 5, J: 7},
"",
"",
},
{
"invalid tagged1",
&InvalidTagged1{I: 1},
&InvalidTagged1{},
"struct tag has invalid property name",
"",
},
{
"invalid tagged2",
&InvalidTagged2{I: 1, J: 2},
&InvalidTagged2{J: 2},
"",
"",
},
{
"invalid tagged3",
&InvalidTagged3{X: "hello"},
&InvalidTagged3{},
"struct tag has invalid property name: \"-\"",
"",
},
{
"invalid tagged4",
&InvalidTagged4{X: "hello"},
&InvalidTagged4{},
"struct tag has invalid option: \"garbage\"",
"",
},
{
"doubler",
&Doubler{S: "s", I: 1, B: true},
&Doubler{S: "ss", I: 2, B: true},
"",
"",
},
{
"save struct load props",
&X0{S: "s", I: 1},
&PropertyList{
Property{Name: "I", Value: int64(1), NoIndex: false},
Property{Name: "S", Value: "s", NoIndex: false},
},
"",
"",
},
{
"save props load struct",
&PropertyList{
Property{Name: "I", Value: int64(1), NoIndex: false},
Property{Name: "S", Value: "s", NoIndex: false},
},
&X0{S: "s", I: 1},
"",
"",
},
{
"nil-value props",
&PropertyList{
Property{Name: "I", Value: nil, NoIndex: false},
Property{Name: "B", Value: nil, NoIndex: false},
Property{Name: "S", Value: nil, NoIndex: false},
Property{Name: "F", Value: nil, NoIndex: false},
Property{Name: "K", Value: nil, NoIndex: false},
Property{Name: "T", Value: nil, NoIndex: false},
Property{Name: "J", Value: []interface{}{nil, int64(7), nil}, NoIndex: false},
},
&struct {
I int64
B bool
S string
F float64
K *Key
T time.Time
J []int64
}{
J: []int64{0, 7, 0},
},
"",
"",
},
{
"save outer load props flatten",
&OuterFlatten{
A: 1,
I: []Inner1{
{10, "ten"},
{20, "twenty"},
{30, "thirty"},
},
J: Inner2{
Y: 3.14,
},
Inner3: Inner3{
Z: true,
},
K: Inner4{
X: Inner5{
WW: 12,
},
},
},
&PropertyList{
Property{Name: "A", Value: int64(1), NoIndex: false},
Property{Name: "I.W", Value: []interface{}{int64(10), int64(20), int64(30)}, NoIndex: false},
Property{Name: "I.X", Value: []interface{}{"ten", "twenty", "thirty"}, NoIndex: false},
Property{Name: "J.Y", Value: float64(3.14), NoIndex: true},
Property{Name: "K.X.WW", Value: int64(12), NoIndex: false},
Property{Name: "Z", Value: true, NoIndex: false},
},
"",
"",
},
{
"load outer props flatten",
&PropertyList{
Property{Name: "A", Value: int64(1), NoIndex: false},
Property{Name: "I.W", Value: []interface{}{int64(10), int64(20), int64(30)}, NoIndex: false},
Property{Name: "I.X", Value: []interface{}{"ten", "twenty", "thirty"}, NoIndex: false},
Property{Name: "J.Y", Value: float64(3.14), NoIndex: true},
Property{Name: "Z", Value: true, NoIndex: false},
},
&OuterFlatten{
A: 1,
I: []Inner1{
{10, "ten"},
{20, "twenty"},
{30, "thirty"},
},
J: Inner2{
Y: 3.14,
},
Inner3: Inner3{
Z: true,
},
},
"",
"",
},
{
"save outer load props",
&Outer{
A: 1,
I: []Inner1{
{10, "ten"},
{20, "twenty"},
{30, "thirty"},
},
J: Inner2{
Y: 3.14,
},
Inner3: Inner3{
Z: true,
},
},
&PropertyList{
Property{Name: "A", Value: int64(1), NoIndex: false},
Property{Name: "I", Value: []interface{}{
&Entity{
Properties: []Property{
Property{Name: "W", Value: int64(10), NoIndex: false},
Property{Name: "X", Value: "ten", NoIndex: false},
},
},
&Entity{
Properties: []Property{
Property{Name: "W", Value: int64(20), NoIndex: false},
Property{Name: "X", Value: "twenty", NoIndex: false},
},
},
&Entity{
Properties: []Property{
Property{Name: "W", Value: int64(30), NoIndex: false},
Property{Name: "X", Value: "thirty", NoIndex: false},
},
},
}, NoIndex: false},
Property{Name: "J", Value: &Entity{
Properties: []Property{
Property{Name: "Y", Value: float64(3.14), NoIndex: false},
},
}, NoIndex: false},
Property{Name: "Z", Value: true, NoIndex: false},
},
"",
"",
},
{
"save props load outer-equivalent",
&PropertyList{
Property{Name: "A", Value: int64(1), NoIndex: false},
Property{Name: "I.W", Value: []interface{}{int64(10), int64(20), int64(30)}, NoIndex: false},
Property{Name: "I.X", Value: []interface{}{"ten", "twenty", "thirty"}, NoIndex: false},
Property{Name: "J.Y", Value: float64(3.14), NoIndex: false},
Property{Name: "Z", Value: true, NoIndex: false},
},
&OuterEquivalent{
A: 1,
IDotW: []int32{10, 20, 30},
IDotX: []string{"ten", "twenty", "thirty"},
JDotY: 3.14,
Z: true,
},
"",
"",
},
{
"dotted names save",
&Dotted{A: DottedA{B: DottedB{C: 88}}},
&PropertyList{
Property{Name: "A0.A1.A2", Value: &Entity{
Properties: []Property{
Property{Name: "B3", Value: &Entity{
Properties: []Property{
Property{Name: "C4.C5", Value: int64(88), NoIndex: false},
},
}, NoIndex: false},
},
}, NoIndex: false},
},
"",
"",
},
{
"dotted names load",
&PropertyList{
Property{Name: "A0.A1.A2", Value: &Entity{
Properties: []Property{
Property{Name: "B3", Value: &Entity{
Properties: []Property{
Property{Name: "C4.C5", Value: 99, NoIndex: false},
},
}, NoIndex: false},
},
}, NoIndex: false},
},
&Dotted{A: DottedA{B: DottedB{C: 99}}},
"",
"",
},
{
"save struct load deriver",
&X0{S: "s", I: 1},
&Deriver{S: "s", Derived: "derived+s"},
"",
"",
},
{
"save deriver load struct",
&Deriver{S: "s", Derived: "derived+s", Ignored: "ignored"},
&X0{S: "s"},
"",
"",
},
{
"zero time.Time",
&T{T: time.Time{}},
&T{T: time.Time{}},
"",
"",
},
{
"time.Time near Unix zero time",
&T{T: time.Unix(0, 4e3)},
&T{T: time.Unix(0, 4e3)},
"",
"",
},
{
"time.Time, far in the future",
&T{T: time.Date(99999, 1, 1, 0, 0, 0, 0, time.UTC)},
&T{T: time.Date(99999, 1, 1, 0, 0, 0, 0, time.UTC)},
"",
"",
},
{
"time.Time, very far in the past",
&T{T: time.Date(-300000, 1, 1, 0, 0, 0, 0, time.UTC)},
&T{},
"time value out of range",
"",
},
{
"time.Time, very far in the future",
&T{T: time.Date(294248, 1, 1, 0, 0, 0, 0, time.UTC)},
&T{},
"time value out of range",
"",
},
{
"structs",
&N0{
X0: X0{S: "one", I: 2, i: 3},
Nonymous: X0{S: "four", I: 5, i: 6},
Ignore: "ignore",
Other: "other",
},
&N0{
X0: X0{S: "one", I: 2},
Nonymous: X0{S: "four", I: 5},
Other: "other",
},
"",
"",
},
{
"slice of structs",
&N1{
X0: X0{S: "one", I: 2, i: 3},
Nonymous: []X0{
{S: "four", I: 5, i: 6},
{S: "seven", I: 8, i: 9},
{S: "ten", I: 11, i: 12},
{S: "thirteen", I: 14, i: 15},
},
Ignore: "ignore",
Other: "other",
},
&N1{
X0: X0{S: "one", I: 2},
Nonymous: []X0{
{S: "four", I: 5},
{S: "seven", I: 8},
{S: "ten", I: 11},
{S: "thirteen", I: 14},
},
Other: "other",
},
"",
"",
},
{
"structs with slices of structs",
&N2{
N1: N1{
X0: X0{S: "rouge"},
Nonymous: []X0{
{S: "rosso0"},
{S: "rosso1"},
},
},
Green: N1{
X0: X0{S: "vert"},
Nonymous: []X0{
{S: "verde0"},
{S: "verde1"},
{S: "verde2"},
},
},
Blue: N1{
X0: X0{S: "bleu"},
Nonymous: []X0{
{S: "blu0"},
{S: "blu1"},
{S: "blu2"},
{S: "blu3"},
},
},
},
&N2{
N1: N1{
X0: X0{S: "rouge"},
Nonymous: []X0{
{S: "rosso0"},
{S: "rosso1"},
},
},
Green: N1{
X0: X0{S: "vert"},
Nonymous: []X0{
{S: "verde0"},
{S: "verde1"},
{S: "verde2"},
},
},
Blue: N1{
X0: X0{S: "bleu"},
Nonymous: []X0{
{S: "blu0"},
{S: "blu1"},
{S: "blu2"},
{S: "blu3"},
},
},
},
"",
"",
},
{
"save structs load props",
&N2{
N1: N1{
X0: X0{S: "rouge"},
Nonymous: []X0{
{S: "rosso0"},
{S: "rosso1"},
},
},
Green: N1{
X0: X0{S: "vert"},
Nonymous: []X0{
{S: "verde0"},
{S: "verde1"},
{S: "verde2"},
},
},
Blue: N1{
X0: X0{S: "bleu"},
Nonymous: []X0{
{S: "blu0"},
{S: "blu1"},
{S: "blu2"},
{S: "blu3"},
},
},
},
&PropertyList{
Property{Name: "Blue", Value: &Entity{
Properties: []Property{
Property{Name: "I", Value: int64(0), NoIndex: false},
Property{Name: "Nonymous", Value: []interface{}{
&Entity{
Properties: []Property{
Property{Name: "I", Value: int64(0), NoIndex: false},
Property{Name: "S", Value: "blu0", NoIndex: false},
},
},
&Entity{
Properties: []Property{
Property{Name: "I", Value: int64(0), NoIndex: false},
Property{Name: "S", Value: "blu1", NoIndex: false},
},
},
&Entity{
Properties: []Property{
Property{Name: "I", Value: int64(0), NoIndex: false},
Property{Name: "S", Value: "blu2", NoIndex: false},
},
},
&Entity{
Properties: []Property{
Property{Name: "I", Value: int64(0), NoIndex: false},
Property{Name: "S", Value: "blu3", NoIndex: false},
},
},
}, NoIndex: false},
Property{Name: "Other", Value: "", NoIndex: false},
Property{Name: "S", Value: "bleu", NoIndex: false},
},
}, NoIndex: false},
Property{Name: "green", Value: &Entity{
Properties: []Property{
Property{Name: "I", Value: int64(0), NoIndex: false},
Property{Name: "Nonymous", Value: []interface{}{
&Entity{
Properties: []Property{
Property{Name: "I", Value: int64(0), NoIndex: false},
Property{Name: "S", Value: "verde0", NoIndex: false},
},
},
&Entity{
Properties: []Property{
Property{Name: "I", Value: int64(0), NoIndex: false},
Property{Name: "S", Value: "verde1", NoIndex: false},
},
},
&Entity{
Properties: []Property{
Property{Name: "I", Value: int64(0), NoIndex: false},
Property{Name: "S", Value: "verde2", NoIndex: false},
},
},
}, NoIndex: false},
Property{Name: "Other", Value: "", NoIndex: false},
Property{Name: "S", Value: "vert", NoIndex: false},
},
}, NoIndex: false},
Property{Name: "red", Value: &Entity{
Properties: []Property{
Property{Name: "I", Value: int64(0), NoIndex: false},
Property{Name: "Nonymous", Value: []interface{}{
&Entity{
Properties: []Property{
Property{Name: "I", Value: int64(0), NoIndex: false},
Property{Name: "S", Value: "rosso0", NoIndex: false},
},
},
&Entity{
Properties: []Property{
Property{Name: "I", Value: int64(0), NoIndex: false},
Property{Name: "S", Value: "rosso1", NoIndex: false},
},
},
}, NoIndex: false},
Property{Name: "Other", Value: "", NoIndex: false},
Property{Name: "S", Value: "rouge", NoIndex: false},
},
}, NoIndex: false},
},
"",
"",
},
{
"nested entity with key",
&WithNestedEntityWithKey{
N: EntityWithKey{
I: 12,
S: "abcd",
K: testKey0,
},
},
&WithNestedEntityWithKey{
N: EntityWithKey{
I: 12,
S: "abcd",
K: testKey0,
},
},
"",
"",
},
{
"entity with key at top level",
&EntityWithKey{
I: 12,
S: "abc",
K: testKey0,
},
&EntityWithKey{
I: 12,
S: "abc",
K: testKey0,
},
"",
"",
},
{
"entity with key at top level (key is populated on load)",
&EntityWithKey{
I: 12,
S: "abc",
},
&EntityWithKey{
I: 12,
S: "abc",
K: testKey0,
},
"",
"",
},
{
"__key__ field not a *Key",
&NestedWithNonKeyField{
N: WithNonKeyField{
I: 12,
K: "abcd",
},
},
&NestedWithNonKeyField{
N: WithNonKeyField{
I: 12,
K: "abcd",
},
},
"datastore: __key__ field on struct datastore.WithNonKeyField is not a *datastore.Key",
"",
},
{
"save struct with ptr to struct fields",
&PtrToStructField{
&Basic{
A: "b",
},
&Basic{
A: "c",
},
&Basic{
A: "anon",
},
[]*Basic{
&Basic{
A: "slice0",
},
&Basic{
A: "slice1",
},
},
},
&PropertyList{
Property{Name: "A", Value: "anon", NoIndex: false},
Property{Name: "B", Value: &Entity{
Properties: []Property{
Property{Name: "A", Value: "b", NoIndex: false},
},
}},
Property{Name: "D", Value: []interface{}{
&Entity{
Properties: []Property{
Property{Name: "A", Value: "slice0", NoIndex: false},
},
},
&Entity{
Properties: []Property{
Property{Name: "A", Value: "slice1", NoIndex: false},
},
},
}, NoIndex: false},
Property{Name: "c", Value: &Entity{
Properties: []Property{
Property{Name: "A", Value: "c", NoIndex: true},
},
}, NoIndex: true},
},
"",
"",
},
{
"save and load struct with ptr to struct fields",
&PtrToStructField{
&Basic{
A: "b",
},
&Basic{
A: "c",
},
&Basic{
A: "anon",
},
[]*Basic{
&Basic{
A: "slice0",
},
&Basic{
A: "slice1",
},
},
},
&PtrToStructField{
&Basic{
A: "b",
},
&Basic{
A: "c",
},
&Basic{
A: "anon",
},
[]*Basic{
&Basic{
A: "slice0",
},
&Basic{
A: "slice1",
},
},
},
"",
"",
},
{
"save struct with pointer to int field",
&PtrToInt{
I: &two,
},
&PtrToInt{},
"unsupported struct field",
"",
},
{
"struct with nil ptr to struct fields",
&PtrToStructField{
nil,
nil,
nil,
nil,
},
new(PropertyList),
"",
"",
},
{
"nested load entity with key",
&WithNestedEntityWithKey{
N: EntityWithKey{
I: 12,
S: "abcd",
K: testKey0,
},
},
&PropertyList{
Property{Name: "N", Value: &Entity{
Key: testKey0,
Properties: []Property{
Property{Name: "I", Value: int64(12), NoIndex: false},
Property{Name: "S", Value: "abcd", NoIndex: false},
},
},
NoIndex: false},
},
"",
"",
},
{
"nested save entity with key",
&PropertyList{
Property{Name: "N", Value: &Entity{
Key: testKey0,
Properties: []Property{
Property{Name: "I", Value: int64(12), NoIndex: false},
Property{Name: "S", Value: "abcd", NoIndex: false},
},
}, NoIndex: false},
},
&WithNestedEntityWithKey{
N: EntityWithKey{
I: 12,
S: "abcd",
K: testKey0,
},
},
"",
"",
},
{
"anonymous field with tag",
&N3{
C3: C3{C: "s"},
},
&PropertyList{
Property{Name: "red", Value: &Entity{
Properties: []Property{
Property{Name: "C", Value: "s", NoIndex: false},
},
}, NoIndex: false},
},
"",
"",
},
{
"unexported anonymous field",
&N4{
c4: c4{C: "s"},
},
&PropertyList{
Property{Name: "C", Value: "s", NoIndex: false},
},
"",
"",
},
{
"unexported anonymous field with tag",
&N5{
c4: c4{C: "s"},
},
new(PropertyList),
"",
"",
},
{
"save props load structs with ragged fields",
&PropertyList{
Property{Name: "red.S", Value: "rot", NoIndex: false},
Property{Name: "green.Nonymous.I", Value: []interface{}{int64(10), int64(11), int64(12), int64(13)}, NoIndex: false},
Property{Name: "Blue.Nonymous.I", Value: []interface{}{int64(20), int64(21)}, NoIndex: false},
Property{Name: "Blue.Nonymous.S", Value: []interface{}{"blau0", "blau1", "blau2"}, NoIndex: false},
},
&N2{
N1: N1{
X0: X0{S: "rot"},
},
Green: N1{
Nonymous: []X0{
{I: 10},
{I: 11},
{I: 12},
{I: 13},
},
},
Blue: N1{
Nonymous: []X0{
{S: "blau0", I: 20},
{S: "blau1", I: 21},
{S: "blau2"},
},
},
},
"",
"",
},
{
"save structs with noindex tags",
&struct {
A struct {
X string `datastore:",noindex"`
Y string
} `datastore:",noindex"`
B struct {
X string `datastore:",noindex"`
Y string
}
}{},
&PropertyList{
Property{Name: "A", Value: &Entity{
Properties: []Property{
Property{Name: "X", Value: "", NoIndex: true},
Property{Name: "Y", Value: "", NoIndex: true},
},
}, NoIndex: true},
Property{Name: "B", Value: &Entity{
Properties: []Property{
Property{Name: "X", Value: "", NoIndex: true},
Property{Name: "Y", Value: "", NoIndex: false},
},
}, NoIndex: false},
},
"",
"",
},
{
"embedded struct with name override",
&struct {
Inner1 `datastore:"foo"`
}{},
&PropertyList{
Property{Name: "foo", Value: &Entity{
Properties: []Property{
Property{Name: "W", Value: int64(0), NoIndex: false},
Property{Name: "X", Value: "", NoIndex: false},
},
}, NoIndex: false},
},
"",
"",
},
{
"slice of slices",
&SliceOfSlices{},
nil,
"flattening nested structs leads to a slice of slices",
"",
},
{
"recursive struct",
&Recursive{},
&Recursive{},
"",
"",
},
{
"mutually recursive struct",
&MutuallyRecursive0{},
&MutuallyRecursive0{},
"",
"",
},
{
"non-exported struct fields",
&struct {
i, J int64
}{i: 1, J: 2},
&PropertyList{
Property{Name: "J", Value: int64(2), NoIndex: false},
},
"",
"",
},
{
"json.RawMessage",
&struct {
J json.RawMessage
}{
J: json.RawMessage("rawr"),
},
&PropertyList{
Property{Name: "J", Value: []byte("rawr"), NoIndex: false},
},
"",
"",
},
{
"json.RawMessage to myBlob",
&struct {
B json.RawMessage
}{
B: json.RawMessage("rawr"),
},
&B2{B: myBlob("rawr")},
"",
"",
},
{
"repeated property names",
&PropertyList{
Property{Name: "A", Value: ""},
Property{Name: "A", Value: ""},
},
nil,
"duplicate Property",
"",
},
{
"embedded time field",
&SpecialTime{MyTime: EmbeddedTime{ts}},
&SpecialTime{MyTime: EmbeddedTime{ts}},
"",
"",
},
{
"embedded time load",
&PropertyList{
Property{Name: "MyTime.Time", Value: ts},
},
&SpecialTime{MyTime: EmbeddedTime{ts}},
"",
"",
},
}
// checkErr returns the empty string if either both want and err are zero,
// or if want is a non-empty substring of err's string representation.
func checkErr(want string, err error) string {
if err != nil {
got := err.Error()
if want == "" || strings.Index(got, want) == -1 {
return got
}
} else if want != "" {
return fmt.Sprintf("want error %q", want)
}
return ""
}
func TestRoundTrip(t *testing.T) {
for _, tc := range testCases {
p, err := saveEntity(testKey0, tc.src)
if s := checkErr(tc.putErr, err); s != "" {
t.Errorf("%s: save: %s", tc.desc, s)
continue
}
if p == nil {
continue
}
var got interface{}
if _, ok := tc.want.(*PropertyList); ok {
got = new(PropertyList)
} else {
got = reflect.New(reflect.TypeOf(tc.want).Elem()).Interface()
}
err = loadEntityProto(got, p)
if s := checkErr(tc.getErr, err); s != "" {
t.Errorf("%s: load: %s", tc.desc, s)
continue
}
if pl, ok := got.(*PropertyList); ok {
// Sort by name to make sure we have a deterministic order.
sortPL(*pl)
}
equal := false
switch v := got.(type) {
// Round tripping a time.Time can result in a different time.Location: Local instead of UTC.
// We therefore test equality explicitly, instead of relying on reflect.DeepEqual.
case *T:
equal = v.T.Equal(tc.want.(*T).T)
case *SpecialTime:
equal = v.MyTime.Equal(tc.want.(*SpecialTime).MyTime.Time)
default:
equal = reflect.DeepEqual(got, tc.want)
}
if !equal {
t.Errorf("%s: compare:\ngot: %+#v\nwant: %+#v", tc.desc, got, tc.want)
continue
}
}
}
type aPtrPLS struct {
Count int
}
func (pls *aPtrPLS) Load([]Property) error {
pls.Count += 1
return nil
}
func (pls *aPtrPLS) Save() ([]Property, error) {
return []Property{{Name: "Count", Value: 4}}, nil
}
type aValuePLS struct {
Count int
}
func (pls aValuePLS) Load([]Property) error {
pls.Count += 2
return nil
}
func (pls aValuePLS) Save() ([]Property, error) {
return []Property{{Name: "Count", Value: 8}}, nil
}
type aValuePtrPLS struct {
Count int
}
func (pls *aValuePtrPLS) Load([]Property) error {
pls.Count = 11
return nil
}
func (pls *aValuePtrPLS) Save() ([]Property, error) {
return []Property{{Name: "Count", Value: 12}}, nil
}
type aNotPLS struct {
Count int
}
type plsString string
func (s *plsString) Load([]Property) error {
*s = "LOADED"
return nil
}
func (s *plsString) Save() ([]Property, error) {
return []Property{{Name: "SS", Value: "SAVED"}}, nil
}
func ptrToplsString(s string) *plsString {
plsStr := plsString(s)
return &plsStr
}
type aSubPLS struct {
Foo string
Bar *aPtrPLS
Baz aValuePtrPLS
S plsString
}
type aSubNotPLS struct {
Foo string
Bar *aNotPLS
}
type aSubPLSErr struct {
Foo string
Bar aValuePLS
}
type aSubPLSNoErr struct {
Foo string
Bar aPtrPLS
}
type GrandparentFlatten struct {
Parent Parent `datastore:",flatten"`
}
type GrandparentOfPtrFlatten struct {
Parent ParentOfPtr `datastore:",flatten"`
}
type GrandparentOfSlice struct {
Parent ParentOfSlice
}
type GrandparentOfSlicePtrs struct {
Parent ParentOfSlicePtrs
}
type GrandparentOfSliceFlatten struct {
Parent ParentOfSlice `datastore:",flatten"`
}
type GrandparentOfSlicePtrsFlatten struct {
Parent ParentOfSlicePtrs `datastore:",flatten"`
}
type Grandparent struct {
Parent Parent
}
type Parent struct {
Child Child
String plsString
}
type ParentOfPtr struct {
Child *Child
String *plsString
}
type ParentOfSlice struct {
Children []Child
Strings []plsString
}
type ParentOfSlicePtrs struct {
Children []*Child
Strings []*plsString
}
type Child struct {
I int
Grandchild Grandchild
}
type Grandchild struct {
S string
}
func (c *Child) Load(props []Property) error {
for _, p := range props {
if p.Name == "I" {
c.I += 1
} else if p.Name == "Grandchild.S" {
c.Grandchild.S = "grandchild loaded"
}
}
return nil
}
func (c *Child) Save() ([]Property, error) {
v := c.I + 1
return []Property{
{Name: "I", Value: v},
{Name: "Grandchild.S", Value: fmt.Sprintf("grandchild saved %d", v)},
}, nil
}
func TestLoadSavePLS(t *testing.T) {
type testCase struct {
desc string
src interface{}
wantSave *pb.Entity
wantLoad interface{}
saveErr string
loadErr string
}
testCases := []testCase{
{
desc: "non-struct implements PLS (top-level)",
src: ptrToplsString("hello"),
wantSave: &pb.Entity{
Key: keyToProto(testKey0),
Properties: map[string]*pb.Value{
"SS": {ValueType: &pb.Value_StringValue{StringValue: "SAVED"}},
},
},
wantLoad: ptrToplsString("LOADED"),
},
{
desc: "substructs do implement PLS",
src: &aSubPLS{Foo: "foo", Bar: &aPtrPLS{Count: 2}, Baz: aValuePtrPLS{Count: 15}, S: "something"},
wantSave: &pb.Entity{
Key: keyToProto(testKey0),
Properties: map[string]*pb.Value{
"Foo": {ValueType: &pb.Value_StringValue{StringValue: "foo"}},
"Bar": {ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"Count": {ValueType: &pb.Value_IntegerValue{IntegerValue: 4}},
},
},
}},
"Baz": {ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"Count": {ValueType: &pb.Value_IntegerValue{IntegerValue: 12}},
},
},
}},
"S": {ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"SS": {ValueType: &pb.Value_StringValue{StringValue: "SAVED"}},
},
},
}},
},
},
wantLoad: &aSubPLS{Foo: "foo", Bar: &aPtrPLS{Count: 1}, Baz: aValuePtrPLS{Count: 11}, S: "LOADED"},
},
{
desc: "substruct (ptr) does implement PLS, nil valued substruct",
src: &aSubPLS{Foo: "foo", S: "something"},
wantSave: &pb.Entity{
Key: keyToProto(testKey0),
Properties: map[string]*pb.Value{
"Foo": {ValueType: &pb.Value_StringValue{StringValue: "foo"}},
"Baz": {ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"Count": {ValueType: &pb.Value_IntegerValue{IntegerValue: 12}},
},
},
}},
"S": {ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"SS": {ValueType: &pb.Value_StringValue{StringValue: "SAVED"}},
},
},
}},
},
},
wantLoad: &aSubPLS{Foo: "foo", Baz: aValuePtrPLS{Count: 11}, S: "LOADED"},
},
{
desc: "substruct (ptr) does not implement PLS",
src: &aSubNotPLS{Foo: "foo", Bar: &aNotPLS{Count: 2}},
wantSave: &pb.Entity{
Key: keyToProto(testKey0),
Properties: map[string]*pb.Value{
"Foo": {ValueType: &pb.Value_StringValue{StringValue: "foo"}},
"Bar": {ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"Count": {ValueType: &pb.Value_IntegerValue{IntegerValue: 2}},
},
},
}},
},
},
wantLoad: &aSubNotPLS{Foo: "foo", Bar: &aNotPLS{Count: 2}},
},
{
desc: "substruct (value) does implement PLS, error on save",
src: &aSubPLSErr{Foo: "foo", Bar: aValuePLS{Count: 2}},
wantSave: (*pb.Entity)(nil),
wantLoad: &aSubPLSErr{},
saveErr: "PropertyLoadSaver methods must be implemented on a pointer",
},
{
desc: "substruct (value) does implement PLS, error on load",
src: &aSubPLSNoErr{Foo: "foo", Bar: aPtrPLS{Count: 2}},
wantSave: &pb.Entity{
Key: keyToProto(testKey0),
Properties: map[string]*pb.Value{
"Foo": {ValueType: &pb.Value_StringValue{StringValue: "foo"}},
"Bar": {ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"Count": {ValueType: &pb.Value_IntegerValue{IntegerValue: 4}},
},
},
}},
},
},
wantLoad: &aSubPLSErr{},
loadErr: "PropertyLoadSaver methods must be implemented on a pointer",
},
{
desc: "parent does not have flatten option, child impl PLS",
src: &Grandparent{
Parent: Parent{
Child: Child{
I: 9,
Grandchild: Grandchild{
S: "BAD",
},
},
String: plsString("something"),
},
},
wantSave: &pb.Entity{
Key: keyToProto(testKey0),
Properties: map[string]*pb.Value{
"Parent": {ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"Child": {ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 10}},
"Grandchild.S": {ValueType: &pb.Value_StringValue{StringValue: "grandchild saved 10"}},
},
},
}},
"String": {ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"SS": {ValueType: &pb.Value_StringValue{StringValue: "SAVED"}},
},
},
}},
},
},
}},
},
},
wantLoad: &Grandparent{
Parent: Parent{
Child: Child{
I: 1,
Grandchild: Grandchild{
S: "grandchild loaded",
},
},
String: "LOADED",
},
},
},
{
desc: "parent has flatten option enabled, child impl PLS",
src: &GrandparentFlatten{
Parent: Parent{
Child: Child{
I: 7,
Grandchild: Grandchild{
S: "BAD",
},
},
String: plsString("something"),
},
},
wantSave: &pb.Entity{
Key: keyToProto(testKey0),
Properties: map[string]*pb.Value{
"Parent.Child.I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 8}},
"Parent.Child.Grandchild.S": {ValueType: &pb.Value_StringValue{StringValue: "grandchild saved 8"}},
"Parent.String.SS": {ValueType: &pb.Value_StringValue{StringValue: "SAVED"}},
},
},
wantLoad: &GrandparentFlatten{
Parent: Parent{
Child: Child{
I: 1,
Grandchild: Grandchild{
S: "grandchild loaded",
},
},
String: "LOADED",
},
},
},
{
desc: "parent has flatten option enabled, child (ptr to) impl PLS",
src: &GrandparentOfPtrFlatten{
Parent: ParentOfPtr{
Child: &Child{
I: 7,
Grandchild: Grandchild{
S: "BAD",
},
},
String: ptrToplsString("something"),
},
},
wantSave: &pb.Entity{
Key: keyToProto(testKey0),
Properties: map[string]*pb.Value{
"Parent.Child.I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 8}},
"Parent.Child.Grandchild.S": {ValueType: &pb.Value_StringValue{StringValue: "grandchild saved 8"}},
"Parent.String.SS": {ValueType: &pb.Value_StringValue{StringValue: "SAVED"}},
},
},
wantLoad: &GrandparentOfPtrFlatten{
Parent: ParentOfPtr{
Child: &Child{
I: 1,
Grandchild: Grandchild{
S: "grandchild loaded",
},
},
String: ptrToplsString("LOADED"),
},
},
},
{
desc: "children (slice of) impl PLS",
src: &GrandparentOfSlice{
Parent: ParentOfSlice{
Children: []Child{
{
I: 7,
Grandchild: Grandchild{
S: "BAD",
},
},
{
I: 9,
Grandchild: Grandchild{
S: "BAD2",
},
},
},
Strings: []plsString{
"something1",
"something2",
},
},
},
wantSave: &pb.Entity{
Key: keyToProto(testKey0),
Properties: map[string]*pb.Value{
"Parent": {ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"Children": {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: 8}},
"Grandchild.S": {ValueType: &pb.Value_StringValue{StringValue: "grandchild saved 8"}},
},
},
}},
{ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 10}},
"Grandchild.S": {ValueType: &pb.Value_StringValue{StringValue: "grandchild saved 10"}},
},
},
}},
}},
}},
"Strings": {ValueType: &pb.Value_ArrayValue{
ArrayValue: &pb.ArrayValue{Values: []*pb.Value{
{ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"SS": {ValueType: &pb.Value_StringValue{StringValue: "SAVED"}},
},
},
}},
{ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"SS": {ValueType: &pb.Value_StringValue{StringValue: "SAVED"}},
},
},
}},
}},
}},
},
},
}},
},
},
wantLoad: &GrandparentOfSlice{
Parent: ParentOfSlice{
Children: []Child{
{
I: 1,
Grandchild: Grandchild{
S: "grandchild loaded",
},
},
{
I: 1,
Grandchild: Grandchild{
S: "grandchild loaded",
},
},
},
Strings: []plsString{
"LOADED",
"LOADED",
},
},
},
},
{
desc: "children (slice of ptrs) impl PLS",
src: &GrandparentOfSlicePtrs{
Parent: ParentOfSlicePtrs{
Children: []*Child{
{
I: 7,
Grandchild: Grandchild{
S: "BAD",
},
},
{
I: 9,
Grandchild: Grandchild{
S: "BAD2",
},
},
},
Strings: []*plsString{
ptrToplsString("something1"),
ptrToplsString("something2"),
},
},
},
wantSave: &pb.Entity{
Key: keyToProto(testKey0),
Properties: map[string]*pb.Value{
"Parent": {ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"Children": {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: 8}},
"Grandchild.S": {ValueType: &pb.Value_StringValue{StringValue: "grandchild saved 8"}},
},
},
}},
{ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"I": {ValueType: &pb.Value_IntegerValue{IntegerValue: 10}},
"Grandchild.S": {ValueType: &pb.Value_StringValue{StringValue: "grandchild saved 10"}},
},
},
}},
}},
}},
"Strings": {ValueType: &pb.Value_ArrayValue{
ArrayValue: &pb.ArrayValue{Values: []*pb.Value{
{ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"SS": {ValueType: &pb.Value_StringValue{StringValue: "SAVED"}},
},
},
}},
{ValueType: &pb.Value_EntityValue{
EntityValue: &pb.Entity{
Properties: map[string]*pb.Value{
"SS": {ValueType: &pb.Value_StringValue{StringValue: "SAVED"}},
},
},
}},
}},
}},
},
},
}},
},
},
wantLoad: &GrandparentOfSlicePtrs{
Parent: ParentOfSlicePtrs{
Children: []*Child{
{
I: 1,
Grandchild: Grandchild{
S: "grandchild loaded",
},
},
{
I: 1,
Grandchild: Grandchild{
S: "grandchild loaded",
},
},
},
Strings: []*plsString{
ptrToplsString("LOADED"),
ptrToplsString("LOADED"),
},
},
},
},
{
desc: "parent has flatten option, children (slice of) impl PLS",
src: &GrandparentOfSliceFlatten{
Parent: ParentOfSlice{
Children: []Child{
{
I: 7,
Grandchild: Grandchild{
S: "BAD",
},
},
{
I: 9,
Grandchild: Grandchild{
S: "BAD2",
},
},
},
Strings: []plsString{
"something1",
"something2",
},
},
},
wantSave: &pb.Entity{
Key: keyToProto(testKey0),
Properties: map[string]*pb.Value{
"Parent.Children.I": {ValueType: &pb.Value_ArrayValue{ArrayValue: &pb.ArrayValue{
Values: []*pb.Value{
{ValueType: &pb.Value_IntegerValue{IntegerValue: 8}},
{ValueType: &pb.Value_IntegerValue{IntegerValue: 10}},
},
},
}},
"Parent.Children.Grandchild.S": {ValueType: &pb.Value_ArrayValue{ArrayValue: &pb.ArrayValue{
Values: []*pb.Value{
{ValueType: &pb.Value_StringValue{StringValue: "grandchild saved 8"}},
{ValueType: &pb.Value_StringValue{StringValue: "grandchild saved 10"}},
},
},
}},
"Parent.Strings.SS": {ValueType: &pb.Value_ArrayValue{ArrayValue: &pb.ArrayValue{
Values: []*pb.Value{
{ValueType: &pb.Value_StringValue{StringValue: "SAVED"}},
{ValueType: &pb.Value_StringValue{StringValue: "SAVED"}},
},
},
}},
},
},
wantLoad: &GrandparentOfSliceFlatten{
Parent: ParentOfSlice{
Children: []Child{
{
I: 1,
Grandchild: Grandchild{
S: "grandchild loaded",
},
},
{
I: 1,
Grandchild: Grandchild{
S: "grandchild loaded",
},
},
},
Strings: []plsString{
"LOADED",
"LOADED",
},
},
},
},
{
desc: "parent has flatten option, children (slice of ptrs) impl PLS",
src: &GrandparentOfSlicePtrsFlatten{
Parent: ParentOfSlicePtrs{
Children: []*Child{
{
I: 7,
Grandchild: Grandchild{
S: "BAD",
},
},
{
I: 9,
Grandchild: Grandchild{
S: "BAD2",
},
},
},
Strings: []*plsString{
ptrToplsString("something1"),
ptrToplsString("something1"),
},
},
},
wantSave: &pb.Entity{
Key: keyToProto(testKey0),
Properties: map[string]*pb.Value{
"Parent.Children.I": {ValueType: &pb.Value_ArrayValue{ArrayValue: &pb.ArrayValue{
Values: []*pb.Value{
{ValueType: &pb.Value_IntegerValue{IntegerValue: 8}},
{ValueType: &pb.Value_IntegerValue{IntegerValue: 10}},
},
},
}},
"Parent.Children.Grandchild.S": {ValueType: &pb.Value_ArrayValue{ArrayValue: &pb.ArrayValue{
Values: []*pb.Value{
{ValueType: &pb.Value_StringValue{StringValue: "grandchild saved 8"}},
{ValueType: &pb.Value_StringValue{StringValue: "grandchild saved 10"}},
},
},
}},
"Parent.Strings.SS": {ValueType: &pb.Value_ArrayValue{ArrayValue: &pb.ArrayValue{
Values: []*pb.Value{
{ValueType: &pb.Value_StringValue{StringValue: "SAVED"}},
{ValueType: &pb.Value_StringValue{StringValue: "SAVED"}},
},
},
}},
},
},
wantLoad: &GrandparentOfSlicePtrsFlatten{
Parent: ParentOfSlicePtrs{
Children: []*Child{
{
I: 1,
Grandchild: Grandchild{
S: "grandchild loaded",
},
},
{
I: 1,
Grandchild: Grandchild{
S: "grandchild loaded",
},
},
},
Strings: []*plsString{
ptrToplsString("LOADED"),
ptrToplsString("LOADED"),
},
},
},
},
}
for _, tc := range testCases {
e, err := saveEntity(testKey0, tc.src)
if tc.saveErr == "" { // Want no error.
if err != nil {
t.Errorf("%s: save: %v", tc.desc, err)
continue
}
if !reflect.DeepEqual(e, tc.wantSave) {
t.Errorf("%s: save: \ngot: %+v\nwant: %+v", tc.desc, e, tc.wantSave)
continue
}
} else { // Want error.
if err == nil {
t.Errorf("%s: save: want err", tc.desc)
continue
}
if !strings.Contains(err.Error(), tc.saveErr) {
t.Errorf("%s: save: \ngot err '%s'\nwant err '%s'", tc.desc, err.Error(), tc.saveErr)
}
continue
}
gota := reflect.New(reflect.TypeOf(tc.wantLoad).Elem()).Interface()
err = loadEntityProto(gota, e)
if tc.loadErr == "" { // Want no error.
if err != nil {
t.Errorf("%s: load: %v", tc.desc, err)
continue
}
if !reflect.DeepEqual(gota, tc.wantLoad) {
t.Errorf("%s: load: \ngot: %+v\nwant: %+v", tc.desc, gota, tc.wantLoad)
continue
}
} else { // Want error.
if err == nil {
t.Errorf("%s: load: want err", tc.desc)
continue
}
if !strings.Contains(err.Error(), tc.loadErr) {
t.Errorf("%s: load: \ngot err '%s'\nwant err '%s'", tc.desc, err.Error(), tc.loadErr)
}
}
}
}
func TestQueryConstruction(t *testing.T) {
tests := []struct {
q, exp *Query
err string
}{
{
q: NewQuery("Foo"),
exp: &Query{
kind: "Foo",
limit: -1,
},
},
{
// Regular filtered query with standard spacing.
q: NewQuery("Foo").Filter("foo >", 7),
exp: &Query{
kind: "Foo",
filter: []filter{
{
FieldName: "foo",
Op: greaterThan,
Value: 7,
},
},
limit: -1,
},
},
{
// Filtered query with no spacing.
q: NewQuery("Foo").Filter("foo=", 6),
exp: &Query{
kind: "Foo",
filter: []filter{
{
FieldName: "foo",
Op: equal,
Value: 6,
},
},
limit: -1,
},
},
{
// Filtered query with funky spacing.
q: NewQuery("Foo").Filter(" foo< ", 8),
exp: &Query{
kind: "Foo",
filter: []filter{
{
FieldName: "foo",
Op: lessThan,
Value: 8,
},
},
limit: -1,
},
},
{
// Filtered query with multicharacter op.
q: NewQuery("Foo").Filter("foo >=", 9),
exp: &Query{
kind: "Foo",
filter: []filter{
{
FieldName: "foo",
Op: greaterEq,
Value: 9,
},
},
limit: -1,
},
},
{
// Query with ordering.
q: NewQuery("Foo").Order("bar"),
exp: &Query{
kind: "Foo",
order: []order{
{
FieldName: "bar",
Direction: ascending,
},
},
limit: -1,
},
},
{
// Query with reverse ordering, and funky spacing.
q: NewQuery("Foo").Order(" - bar"),
exp: &Query{
kind: "Foo",
order: []order{
{
FieldName: "bar",
Direction: descending,
},
},
limit: -1,
},
},
{
// Query with an empty ordering.
q: NewQuery("Foo").Order(""),
err: "empty order",
},
{
// Query with a + ordering.
q: NewQuery("Foo").Order("+bar"),
err: "invalid order",
},
}
for i, test := range tests {
if test.q.err != nil {
got := test.q.err.Error()
if !strings.Contains(got, test.err) {
t.Errorf("%d: error mismatch: got %q want something containing %q", i, got, test.err)
}
continue
}
if !reflect.DeepEqual(test.q, test.exp) {
t.Errorf("%d: mismatch: got %v want %v", i, test.q, test.exp)
}
}
}
func TestPutMultiTypes(t *testing.T) {
ctx := context.Background()
type S struct {
A int
B string
}
testCases := []struct {
desc string
src interface{}
wantErr bool
}{
// Test cases to check each of the valid input types for src.
// Each case has the same elements.
{
desc: "type []struct",
src: []S{
{1, "one"}, {2, "two"},
},
},
{
desc: "type []*struct",
src: []*S{
{1, "one"}, {2, "two"},
},
},
{
desc: "type []interface{} with PLS elems",
src: []interface{}{
&PropertyList{Property{Name: "A", Value: 1}, Property{Name: "B", Value: "one"}},
&PropertyList{Property{Name: "A", Value: 2}, Property{Name: "B", Value: "two"}},
},
},
{
desc: "type []interface{} with struct ptr elems",
src: []interface{}{
&S{1, "one"}, &S{2, "two"},
},
},
{
desc: "type []PropertyLoadSaver{}",
src: []PropertyLoadSaver{
&PropertyList{Property{Name: "A", Value: 1}, Property{Name: "B", Value: "one"}},
&PropertyList{Property{Name: "A", Value: 2}, Property{Name: "B", Value: "two"}},
},
},
{
desc: "type []P (non-pointer, *P implements PropertyLoadSaver)",
src: []PropertyList{
{Property{Name: "A", Value: 1}, Property{Name: "B", Value: "one"}},
{Property{Name: "A", Value: 2}, Property{Name: "B", Value: "two"}},
},
},
// Test some invalid cases.
{
desc: "type []interface{} with struct elems",
src: []interface{}{
S{1, "one"}, S{2, "two"},
},
wantErr: true,
},
{
desc: "PropertyList",
src: PropertyList{
Property{Name: "A", Value: 1},
Property{Name: "B", Value: "one"},
},
wantErr: true,
},
{
desc: "type []int",
src: []int{1, 2},
wantErr: true,
},
{
desc: "not a slice",
src: S{1, "one"},
wantErr: true,
},
}
// Use the same keys and expected entities for all tests.
keys := []*Key{
NameKey("testKind", "first", nil),
NameKey("testKind", "second", nil),
}
want := []*pb.Mutation{
{Operation: &pb.Mutation_Upsert{
Upsert: &pb.Entity{
Key: keyToProto(keys[0]),
Properties: map[string]*pb.Value{
"A": {ValueType: &pb.Value_IntegerValue{IntegerValue: 1}},
"B": {ValueType: &pb.Value_StringValue{StringValue: "one"}},
},
}}},
{Operation: &pb.Mutation_Upsert{
Upsert: &pb.Entity{
Key: keyToProto(keys[1]),
Properties: map[string]*pb.Value{
"A": {ValueType: &pb.Value_IntegerValue{IntegerValue: 2}},
"B": {ValueType: &pb.Value_StringValue{StringValue: "two"}},
},
}}},
}
for _, tt := range testCases {
// Set up a fake client which captures upserts.
var got []*pb.Mutation
client := &Client{
client: &fakeClient{
commitFn: func(req *pb.CommitRequest) (*pb.CommitResponse, error) {
got = req.Mutations
return &pb.CommitResponse{}, nil
},
},
}
_, err := client.PutMulti(ctx, keys, tt.src)
if err != nil {
if !tt.wantErr {
t.Errorf("%s: error %v", tt.desc, err)
}
continue
}
if tt.wantErr {
t.Errorf("%s: wanted error, but none returned", tt.desc)
continue
}
if len(got) != len(want) {
t.Errorf("%s: got %d entities, want %d", tt.desc, len(got), len(want))
continue
}
for i, e := range got {
if !proto.Equal(e, want[i]) {
t.Logf("%s: entity %d doesn't match\ngot: %v\nwant: %v", tt.desc, i, e, want[i])
}
}
}
}
func TestNoIndexOnSliceProperties(t *testing.T) {
// Check that ExcludeFromIndexes is set on the inner elements,
// rather than the top-level ArrayValue value.
pl := PropertyList{
Property{
Name: "repeated",
Value: []interface{}{
123,
false,
"short",
strings.Repeat("a", 1503),
},
NoIndex: true,
},
}
key := NameKey("dummy", "dummy", nil)
entity, err := saveEntity(key, &pl)
if err != nil {
t.Fatalf("saveEntity: %v", err)
}
want := &pb.Value{
ValueType: &pb.Value_ArrayValue{ArrayValue: &pb.ArrayValue{Values: []*pb.Value{
{ValueType: &pb.Value_IntegerValue{IntegerValue: 123}, ExcludeFromIndexes: true},
{ValueType: &pb.Value_BooleanValue{BooleanValue: false}, ExcludeFromIndexes: true},
{ValueType: &pb.Value_StringValue{StringValue: "short"}, ExcludeFromIndexes: true},
{ValueType: &pb.Value_StringValue{StringValue: strings.Repeat("a", 1503)}, ExcludeFromIndexes: true},
}}},
}
if got := entity.Properties["repeated"]; !proto.Equal(got, want) {
t.Errorf("Entity proto differs\ngot: %v\nwant: %v", got, want)
}
}
type byName PropertyList
func (s byName) Len() int { return len(s) }
func (s byName) Less(i, j int) bool { return s[i].Name < s[j].Name }
func (s byName) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
// sortPL sorts the property list by property name, and
// recursively sorts any nested property lists, or nested slices of
// property lists.
func sortPL(pl PropertyList) {
sort.Stable(byName(pl))
for _, p := range pl {
switch p.Value.(type) {
case *Entity:
sortPL(p.Value.(*Entity).Properties)
case []interface{}:
for _, p2 := range p.Value.([]interface{}) {
if nent, ok := p2.(*Entity); ok {
sortPL(nent.Properties)
}
}
}
}
}
func TestValidGeoPoint(t *testing.T) {
testCases := []struct {
desc string
pt GeoPoint
want bool
}{
{
"valid",
GeoPoint{67.21, 13.37},
true,
},
{
"high lat",
GeoPoint{-90.01, 13.37},
false,
},
{
"low lat",
GeoPoint{90.01, 13.37},
false,
},
{
"high lng",
GeoPoint{67.21, 182},
false,
},
{
"low lng",
GeoPoint{67.21, -181},
false,
},
}
for _, tc := range testCases {
if got := tc.pt.Valid(); got != tc.want {
t.Errorf("%s: got %v, want %v", tc.desc, got, tc.want)
}
}
}
func TestPutInvalidEntity(t *testing.T) {
// Test that trying to put an invalid entity always returns the correct error
// type.
// Fake client that can pretend to start a transaction.
fakeClient := &fakeDatastoreClient{
beginTransaction: func(*pb.BeginTransactionRequest) (*pb.BeginTransactionResponse, error) {
return &pb.BeginTransactionResponse{
Transaction: []byte("deadbeef"),
}, nil
},
}
client := &Client{
client: fakeClient,
}
ctx := context.Background()
key := IncompleteKey("kind", nil)
_, err := client.Put(ctx, key, "invalid entity")
if err != ErrInvalidEntityType {
t.Errorf("client.Put returned err %v, want %v", err, ErrInvalidEntityType)
}
_, err = client.PutMulti(ctx, []*Key{key}, []interface{}{"invalid entity"})
if me, ok := err.(MultiError); !ok {
t.Errorf("client.PutMulti returned err %v, want MultiError type", err)
} else if len(me) != 1 || me[0] != ErrInvalidEntityType {
t.Errorf("client.PutMulti returned err %v, want MulitError{ErrInvalidEntityType}", err)
}
client.RunInTransaction(ctx, func(tx *Transaction) error {
_, err := tx.Put(key, "invalid entity")
if err != ErrInvalidEntityType {
t.Errorf("tx.Put returned err %v, want %v", err, ErrInvalidEntityType)
}
_, err = tx.PutMulti([]*Key{key}, []interface{}{"invalid entity"})
if me, ok := err.(MultiError); !ok {
t.Errorf("tx.PutMulti returned err %v, want MultiError type", err)
} else if len(me) != 1 || me[0] != ErrInvalidEntityType {
t.Errorf("tx.PutMulti returned err %v, want MulitError{ErrInvalidEntityType}", err)
}
return errors.New("bang!") // Return error: we don't actually want to commit.
})
}
func TestDeferred(t *testing.T) {
type Ent struct {
A int
B string
}
keys := []*Key{
NameKey("testKind", "first", nil),
NameKey("testKind", "second", nil),
}
entity1 := &pb.Entity{
Key: keyToProto(keys[0]),
Properties: map[string]*pb.Value{
"A": {ValueType: &pb.Value_IntegerValue{IntegerValue: 1}},
"B": {ValueType: &pb.Value_StringValue{StringValue: "one"}},
},
}
entity2 := &pb.Entity{
Key: keyToProto(keys[1]),
Properties: map[string]*pb.Value{
"A": {ValueType: &pb.Value_IntegerValue{IntegerValue: 2}},
"B": {ValueType: &pb.Value_StringValue{StringValue: "two"}},
},
}
// count keeps track of the number of times fakeClient.lookup has been
// called.
var count int
// Fake client that will return Deferred keys in resp on the first call.
fakeClient := &fakeDatastoreClient{
lookup: func(*pb.LookupRequest) (*pb.LookupResponse, error) {
count++
// On the first call, we return deferred keys.
if count == 1 {
return &pb.LookupResponse{
Found: []*pb.EntityResult{
{
Entity: entity1,
Version: 1,
},
},
Deferred: []*pb.Key{
keyToProto(keys[1]),
},
}, nil
}
// On the second call, we do not return any more deferred keys.
return &pb.LookupResponse{
Found: []*pb.EntityResult{
{
Entity: entity2,
Version: 1,
},
},
}, nil
},
}
client := &Client{
client: fakeClient,
}
ctx := context.Background()
dst := make([]Ent, len(keys))
err := client.GetMulti(ctx, keys, dst)
if err != nil {
t.Fatalf("client.Get: %v", err)
}
if count != 2 {
t.Fatalf("expected client.lookup to be called 2 times. Got %d", count)
}
if len(dst) != 2 {
t.Fatalf("expected 2 entities returned, got %d", len(dst))
}
for _, e := range dst {
if e.A == 1 {
if e.B != "one" {
t.Fatalf("unexpected entity %+v", e)
}
} else if e.A == 2 {
if e.B != "two" {
t.Fatalf("unexpected entity %+v", e)
}
} else {
t.Fatalf("unexpected entity %+v", e)
}
}
}
type KeyLoaderEnt struct {
A int
K *Key
}
func (e *KeyLoaderEnt) Load(p []Property) error {
e.A = 2
return nil
}
func (e *KeyLoaderEnt) LoadKey(k *Key) error {
e.K = k
return nil
}
func (e *KeyLoaderEnt) Save() ([]Property, error) {
return []Property{{Name: "A", Value: int64(3)}}, nil
}
func TestKeyLoaderEndToEnd(t *testing.T) {
keys := []*Key{
NameKey("testKind", "first", nil),
NameKey("testKind", "second", nil),
}
entity1 := &pb.Entity{
Key: keyToProto(keys[0]),
Properties: map[string]*pb.Value{
"A": {ValueType: &pb.Value_IntegerValue{IntegerValue: 1}},
"B": {ValueType: &pb.Value_StringValue{StringValue: "one"}},
},
}
entity2 := &pb.Entity{
Key: keyToProto(keys[1]),
Properties: map[string]*pb.Value{
"A": {ValueType: &pb.Value_IntegerValue{IntegerValue: 2}},
"B": {ValueType: &pb.Value_StringValue{StringValue: "two"}},
},
}
fakeClient := &fakeDatastoreClient{
lookup: func(*pb.LookupRequest) (*pb.LookupResponse, error) {
return &pb.LookupResponse{
Found: []*pb.EntityResult{
{
Entity: entity1,
Version: 1,
},
{
Entity: entity2,
Version: 1,
},
},
}, nil
},
}
client := &Client{
client: fakeClient,
}
ctx := context.Background()
dst := make([]*KeyLoaderEnt, len(keys))
err := client.GetMulti(ctx, keys, dst)
if err != nil {
t.Fatalf("client.Get: %v", err)
}
for i := range dst {
if !reflect.DeepEqual(dst[i].K, keys[i]) {
t.Fatalf("unexpected entity %d to have key %+v, got %+v", i, keys[i], dst[i].K)
}
}
}
func TestDeferredMissing(t *testing.T) {
type Ent struct {
A int
B string
}
keys := []*Key{
NameKey("testKind", "first", nil),
NameKey("testKind", "second", nil),
}
entity1 := &pb.Entity{
Key: keyToProto(keys[0]),
}
entity2 := &pb.Entity{
Key: keyToProto(keys[1]),
}
var count int
fakeClient := &fakeDatastoreClient{
lookup: func(*pb.LookupRequest) (*pb.LookupResponse, error) {
count++
if count == 1 {
return &pb.LookupResponse{
Missing: []*pb.EntityResult{
{
Entity: entity1,
Version: 1,
},
},
Deferred: []*pb.Key{
keyToProto(keys[1]),
},
}, nil
}
return &pb.LookupResponse{
Missing: []*pb.EntityResult{
{
Entity: entity2,
Version: 1,
},
},
}, nil
},
}
client := &Client{
client: fakeClient,
}
ctx := context.Background()
dst := make([]Ent, len(keys))
err := client.GetMulti(ctx, keys, dst)
errs, ok := err.(MultiError)
if !ok {
t.Fatalf("expected error returns to be MultiError; got %v", err)
}
if len(errs) != 2 {
t.Fatalf("expected 2 errors returns, got %d", len(errs))
}
if errs[0] != ErrNoSuchEntity {
t.Fatalf("expected error to be ErrNoSuchEntity; got %v", errs[0])
}
if errs[1] != ErrNoSuchEntity {
t.Fatalf("expected error to be ErrNoSuchEntity; got %v", errs[1])
}
if count != 2 {
t.Fatalf("expected client.lookup to be called 2 times. Got %d", count)
}
if len(dst) != 2 {
t.Fatalf("expected 2 entities returned, got %d", len(dst))
}
for _, e := range dst {
if e.A != 0 || e.B != "" {
t.Fatalf("unexpected entity %+v", e)
}
}
}
type fakeDatastoreClient struct {
pb.DatastoreClient
// Optional handlers for the datastore methods.
// Any handlers left undefined will return an error.
lookup func(*pb.LookupRequest) (*pb.LookupResponse, error)
runQuery func(*pb.RunQueryRequest) (*pb.RunQueryResponse, error)
beginTransaction func(*pb.BeginTransactionRequest) (*pb.BeginTransactionResponse, error)
commit func(*pb.CommitRequest) (*pb.CommitResponse, error)
rollback func(*pb.RollbackRequest) (*pb.RollbackResponse, error)
allocateIds func(*pb.AllocateIdsRequest) (*pb.AllocateIdsResponse, error)
}
func (c *fakeDatastoreClient) Lookup(ctx context.Context, in *pb.LookupRequest, opts ...grpc.CallOption) (*pb.LookupResponse, error) {
if c.lookup == nil {
return nil, errors.New("no lookup handler defined")
}
return c.lookup(in)
}
func (c *fakeDatastoreClient) RunQuery(ctx context.Context, in *pb.RunQueryRequest, opts ...grpc.CallOption) (*pb.RunQueryResponse, error) {
if c.runQuery == nil {
return nil, errors.New("no runQuery handler defined")
}
return c.runQuery(in)
}
func (c *fakeDatastoreClient) BeginTransaction(ctx context.Context, in *pb.BeginTransactionRequest, opts ...grpc.CallOption) (*pb.BeginTransactionResponse, error) {
if c.beginTransaction == nil {
return nil, errors.New("no beginTransaction handler defined")
}
return c.beginTransaction(in)
}
func (c *fakeDatastoreClient) Commit(ctx context.Context, in *pb.CommitRequest, opts ...grpc.CallOption) (*pb.CommitResponse, error) {
if c.commit == nil {
return nil, errors.New("no commit handler defined")
}
return c.commit(in)
}
func (c *fakeDatastoreClient) Rollback(ctx context.Context, in *pb.RollbackRequest, opts ...grpc.CallOption) (*pb.RollbackResponse, error) {
if c.rollback == nil {
return nil, errors.New("no rollback handler defined")
}
return c.rollback(in)
}
func (c *fakeDatastoreClient) AllocateIds(ctx context.Context, in *pb.AllocateIdsRequest, opts ...grpc.CallOption) (*pb.AllocateIdsResponse, error) {
if c.allocateIds == nil {
return nil, errors.New("no allocateIds handler defined")
}
return c.allocateIds(in)
}
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