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nginx-sso/vendor/google.golang.org/appengine/datastore/prop_test.go
Knut Ahlers 9b3c895c04
Update dependencies 
Signed-off-by: Knut Ahlers <knut@ahlers.me>
2019-04-22 06:44:07 +02:00

672 lines
14 KiB
Go
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// Copyright 2011 Google Inc. All Rights Reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package datastore
import (
"reflect"
"sort"
"testing"
"time"
"google.golang.org/appengine"
)
func TestValidPropertyName(t *testing.T) {
testCases := []struct {
name string
want bool
}{
// Invalid names.
{"", false},
{"'", false},
{".", false},
{"..", false},
{".foo", false},
{"0", false},
{"00", false},
{"X.X.4.X.X", false},
{"\n", false},
{"\x00", false},
{"abc\xffz", false},
{"foo.", false},
{"foo..", false},
{"foo..bar", false},
{"☃", false},
{`"`, false},
// Valid names.
{"AB", true},
{"Abc", true},
{"X.X.X.X.X", true},
{"_", true},
{"_0", true},
{"a", true},
{"a_B", true},
{"f00", true},
{"f0o", true},
{"fo0", true},
{"foo", true},
{"foo.bar", true},
{"foo.bar.baz", true},
{"世界", true},
}
for _, tc := range testCases {
got := validPropertyName(tc.name)
if got != tc.want {
t.Errorf("%q: got %v, want %v", tc.name, got, tc.want)
}
}
}
func TestStructCodec(t *testing.T) {
type oStruct struct {
O int
}
type pStruct struct {
P int
Q int
}
type rStruct struct {
R int
S pStruct
T oStruct
oStruct
}
type uStruct struct {
U int
v int
}
type vStruct struct {
V string `datastore:",noindex"`
}
oStructCodec := &structCodec{
fields: map[string]fieldCodec{
"O": {path: []int{0}},
},
complete: true,
}
pStructCodec := &structCodec{
fields: map[string]fieldCodec{
"P": {path: []int{0}},
"Q": {path: []int{1}},
},
complete: true,
}
rStructCodec := &structCodec{
fields: map[string]fieldCodec{
"R": {path: []int{0}},
"S": {path: []int{1}, structCodec: pStructCodec},
"T": {path: []int{2}, structCodec: oStructCodec},
"O": {path: []int{3, 0}},
},
complete: true,
}
uStructCodec := &structCodec{
fields: map[string]fieldCodec{
"U": {path: []int{0}},
},
complete: true,
}
vStructCodec := &structCodec{
fields: map[string]fieldCodec{
"V": {path: []int{0}, noIndex: true},
},
complete: true,
}
testCases := []struct {
desc string
structValue interface{}
want *structCodec
}{
{
"oStruct",
oStruct{},
oStructCodec,
},
{
"pStruct",
pStruct{},
pStructCodec,
},
{
"rStruct",
rStruct{},
rStructCodec,
},
{
"uStruct",
uStruct{},
uStructCodec,
},
{
"non-basic fields",
struct {
B appengine.BlobKey
K *Key
T time.Time
}{},
&structCodec{
fields: map[string]fieldCodec{
"B": {path: []int{0}},
"K": {path: []int{1}},
"T": {path: []int{2}},
},
complete: true,
},
},
{
"struct tags with ignored embed",
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"`
oStruct `datastore:"-"`
}{},
&structCodec{
fields: map[string]fieldCodec{
"a": {path: []int{0}, noIndex: true},
"b": {path: []int{1}},
"C": {path: []int{2}, noIndex: true},
"D": {path: []int{3}},
"E": {path: []int{4}},
"J": {path: []int{6}, noIndex: true},
},
complete: true,
},
},
{
"unexported fields",
struct {
A int
b int
C int `datastore:"x"`
d int `datastore:"Y"`
}{},
&structCodec{
fields: map[string]fieldCodec{
"A": {path: []int{0}},
"x": {path: []int{2}},
},
complete: true,
},
},
{
"nested and embedded structs",
struct {
A int
B int
CC oStruct
DDD rStruct
oStruct
}{},
&structCodec{
fields: map[string]fieldCodec{
"A": {path: []int{0}},
"B": {path: []int{1}},
"CC": {path: []int{2}, structCodec: oStructCodec},
"DDD": {path: []int{3}, structCodec: rStructCodec},
"O": {path: []int{4, 0}},
},
complete: true,
},
},
{
"struct tags with nested and embedded structs",
struct {
A int `datastore:"-"`
B int `datastore:"w"`
C oStruct `datastore:"xx"`
D rStruct `datastore:"y"`
oStruct `datastore:"z"`
}{},
&structCodec{
fields: map[string]fieldCodec{
"w": {path: []int{1}},
"xx": {path: []int{2}, structCodec: oStructCodec},
"y": {path: []int{3}, structCodec: rStructCodec},
"z.O": {path: []int{4, 0}},
},
complete: true,
},
},
{
"unexported nested and embedded structs",
struct {
a int
B int
c uStruct
D uStruct
uStruct
}{},
&structCodec{
fields: map[string]fieldCodec{
"B": {path: []int{1}},
"D": {path: []int{3}, structCodec: uStructCodec},
"U": {path: []int{4, 0}},
},
complete: true,
},
},
{
"noindex nested struct",
struct {
A oStruct `datastore:",noindex"`
}{},
&structCodec{
fields: map[string]fieldCodec{
"A": {path: []int{0}, structCodec: oStructCodec, noIndex: true},
},
complete: true,
},
},
{
"noindex slice",
struct {
A []string `datastore:",noindex"`
}{},
&structCodec{
fields: map[string]fieldCodec{
"A": {path: []int{0}, noIndex: true},
},
hasSlice: true,
complete: true,
},
},
{
"noindex embedded struct slice",
struct {
// vStruct has a single field, V, also with noindex.
A []vStruct `datastore:",noindex"`
}{},
&structCodec{
fields: map[string]fieldCodec{
"A": {path: []int{0}, structCodec: vStructCodec, noIndex: true},
},
hasSlice: true,
complete: true,
},
},
}
for _, tc := range testCases {
got, err := getStructCodec(reflect.TypeOf(tc.structValue))
if err != nil {
t.Errorf("%s: getStructCodec: %v", tc.desc, err)
continue
}
// can't reflect.DeepEqual b/c element order in fields map may differ
if !isEqualStructCodec(got, tc.want) {
t.Errorf("%s\ngot %+v\nwant %+v\n", tc.desc, got, tc.want)
}
}
}
func isEqualStructCodec(got, want *structCodec) bool {
if got.complete != want.complete {
return false
}
if got.hasSlice != want.hasSlice {
return false
}
if len(got.fields) != len(want.fields) {
return false
}
for name, wantF := range want.fields {
gotF := got.fields[name]
if !reflect.DeepEqual(wantF.path, gotF.path) {
return false
}
if wantF.noIndex != gotF.noIndex {
return false
}
if wantF.structCodec != nil {
if gotF.structCodec == nil {
return false
}
if !isEqualStructCodec(gotF.structCodec, wantF.structCodec) {
return false
}
}
}
return true
}
func TestRepeatedPropertyName(t *testing.T) {
good := []interface{}{
struct {
A int `datastore:"-"`
}{},
struct {
A int `datastore:"b"`
B int
}{},
struct {
A int
B int `datastore:"B"`
}{},
struct {
A int `datastore:"B"`
B int `datastore:"-"`
}{},
struct {
A int `datastore:"-"`
B int `datastore:"A"`
}{},
struct {
A int `datastore:"B"`
B int `datastore:"A"`
}{},
struct {
A int `datastore:"B"`
B int `datastore:"C"`
C int `datastore:"A"`
}{},
struct {
A int `datastore:"B"`
B int `datastore:"C"`
C int `datastore:"D"`
}{},
}
bad := []interface{}{
struct {
A int `datastore:"B"`
B int
}{},
struct {
A int
B int `datastore:"A"`
}{},
struct {
A int `datastore:"C"`
B int `datastore:"C"`
}{},
struct {
A int `datastore:"B"`
B int `datastore:"C"`
C int `datastore:"B"`
}{},
}
testGetStructCodec(t, good, bad)
}
func TestFlatteningNestedStructs(t *testing.T) {
type DeepGood struct {
A struct {
B []struct {
C struct {
D int
}
}
}
}
type DeepBad struct {
A struct {
B []struct {
C struct {
D []int
}
}
}
}
type ISay struct {
Tomato int
}
type YouSay struct {
Tomato int
}
type Tweedledee struct {
Dee int `datastore:"D"`
}
type Tweedledum struct {
Dum int `datastore:"D"`
}
good := []interface{}{
struct {
X []struct {
Y string
}
}{},
struct {
X []struct {
Y []byte
}
}{},
struct {
P []int
X struct {
Y []int
}
}{},
struct {
X struct {
Y []int
}
Q []int
}{},
struct {
P []int
X struct {
Y []int
}
Q []int
}{},
struct {
DeepGood
}{},
struct {
DG DeepGood
}{},
struct {
Foo struct {
Z int
} `datastore:"A"`
Bar struct {
Z int
} `datastore:"B"`
}{},
}
bad := []interface{}{
struct {
X []struct {
Y []string
}
}{},
struct {
X []struct {
Y []int
}
}{},
struct {
DeepBad
}{},
struct {
DB DeepBad
}{},
struct {
ISay
YouSay
}{},
struct {
Tweedledee
Tweedledum
}{},
struct {
Foo struct {
Z int
} `datastore:"A"`
Bar struct {
Z int
} `datastore:"A"`
}{},
}
testGetStructCodec(t, good, bad)
}
func testGetStructCodec(t *testing.T, good []interface{}, bad []interface{}) {
for _, x := range good {
if _, err := getStructCodec(reflect.TypeOf(x)); err != nil {
t.Errorf("type %T: got non-nil error (%s), want nil", x, err)
}
}
for _, x := range bad {
if _, err := getStructCodec(reflect.TypeOf(x)); err == nil {
t.Errorf("type %T: got nil error, want non-nil", x)
}
}
}
func TestNilKeyIsStored(t *testing.T) {
x := struct {
K *Key
I int
}{}
p := PropertyList{}
// Save x as properties.
p1, _ := SaveStruct(&x)
p.Load(p1)
// Set x's fields to non-zero.
x.K = &Key{}
x.I = 2
// Load x from properties.
p2, _ := p.Save()
LoadStruct(&x, p2)
// Check that x's fields were set to zero.
if x.K != nil {
t.Errorf("K field was not zero")
}
if x.I != 0 {
t.Errorf("I field was not zero")
}
}
func TestSaveStructOmitEmpty(t *testing.T) {
// Expected props names are sorted alphabetically
expectedPropNamesForSingles := []string{"EmptyValue", "NonEmptyValue", "OmitEmptyWithValue"}
expectedPropNamesForSlices := []string{"NonEmptyValue", "NonEmptyValue", "OmitEmptyWithValue", "OmitEmptyWithValue"}
testOmitted := func(expectedPropNames []string, src interface{}) {
// t.Helper() - this is available from Go version 1.9, but we also support Go versions 1.6, 1.7, 1.8
if props, err := SaveStruct(src); err != nil {
t.Fatal(err)
} else {
// Collect names for reporting if diffs from expected and for easier sorting
actualPropNames := make([]string, len(props))
for i := range props {
actualPropNames[i] = props[i].Name
}
// Sort actuals for comparing with already sorted expected names
sort.Sort(sort.StringSlice(actualPropNames))
if !reflect.DeepEqual(actualPropNames, expectedPropNames) {
t.Errorf("Expected this properties: %v, got: %v", expectedPropNames, actualPropNames)
}
}
}
testOmitted(expectedPropNamesForSingles, &struct {
EmptyValue int
NonEmptyValue int
OmitEmptyNoValue int `datastore:",omitempty"`
OmitEmptyWithValue int `datastore:",omitempty"`
}{
NonEmptyValue: 1,
OmitEmptyWithValue: 2,
})
testOmitted(expectedPropNamesForSlices, &struct {
EmptyValue []int
NonEmptyValue []int
OmitEmptyNoValue []int `datastore:",omitempty"`
OmitEmptyWithValue []int `datastore:",omitempty"`
}{
NonEmptyValue: []int{1, 2},
OmitEmptyWithValue: []int{3, 4},
})
testOmitted(expectedPropNamesForSingles, &struct {
EmptyValue bool
NonEmptyValue bool
OmitEmptyNoValue bool `datastore:",omitempty"`
OmitEmptyWithValue bool `datastore:",omitempty"`
}{
NonEmptyValue: true,
OmitEmptyWithValue: true,
})
testOmitted(expectedPropNamesForSlices, &struct {
EmptyValue []bool
NonEmptyValue []bool
OmitEmptyNoValue []bool `datastore:",omitempty"`
OmitEmptyWithValue []bool `datastore:",omitempty"`
}{
NonEmptyValue: []bool{true, true},
OmitEmptyWithValue: []bool{true, true},
})
testOmitted(expectedPropNamesForSingles, &struct {
EmptyValue string
NonEmptyValue string
OmitEmptyNoValue string `datastore:",omitempty"`
OmitEmptyWithValue string `datastore:",omitempty"`
}{
NonEmptyValue: "s",
OmitEmptyWithValue: "s",
})
testOmitted(expectedPropNamesForSlices, &struct {
EmptyValue []string
NonEmptyValue []string
OmitEmptyNoValue []string `datastore:",omitempty"`
OmitEmptyWithValue []string `datastore:",omitempty"`
}{
NonEmptyValue: []string{"s1", "s2"},
OmitEmptyWithValue: []string{"s3", "s4"},
})
testOmitted(expectedPropNamesForSingles, &struct {
EmptyValue float32
NonEmptyValue float32
OmitEmptyNoValue float32 `datastore:",omitempty"`
OmitEmptyWithValue float32 `datastore:",omitempty"`
}{
NonEmptyValue: 1.1,
OmitEmptyWithValue: 1.2,
})
testOmitted(expectedPropNamesForSlices, &struct {
EmptyValue []float32
NonEmptyValue []float32
OmitEmptyNoValue []float32 `datastore:",omitempty"`
OmitEmptyWithValue []float32 `datastore:",omitempty"`
}{
NonEmptyValue: []float32{1.1, 2.2},
OmitEmptyWithValue: []float32{3.3, 4.4},
})
testOmitted(expectedPropNamesForSingles, &struct {
EmptyValue time.Time
NonEmptyValue time.Time
OmitEmptyNoValue time.Time `datastore:",omitempty"`
OmitEmptyWithValue time.Time `datastore:",omitempty"`
}{
NonEmptyValue: now,
OmitEmptyWithValue: now,
})
testOmitted(expectedPropNamesForSlices, &struct {
EmptyValue []time.Time
NonEmptyValue []time.Time
OmitEmptyNoValue []time.Time `datastore:",omitempty"`
OmitEmptyWithValue []time.Time `datastore:",omitempty"`
}{
NonEmptyValue: []time.Time{now, now},
OmitEmptyWithValue: []time.Time{now, now},
})
}
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