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value_test.go
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/*
Copyright 2017 Google LLC
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
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 spanner
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"math"
"math/big"
"reflect"
"strconv"
"testing"
"time"
"cloud.google.com/go/civil"
"cloud.google.com/go/internal/testutil"
sppb "cloud.google.com/go/spanner/apiv1/spannerpb"
pb "cloud.google.com/go/spanner/testdata/protos"
"github.com/google/go-cmp/cmp"
"google.golang.org/protobuf/encoding/prototext"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/testing/protocmp"
proto3 "google.golang.org/protobuf/types/known/structpb"
structpb "google.golang.org/protobuf/types/known/structpb"
)
var (
t1 = mustParseTime("2016-11-15T15:04:05.999999999Z")
// Boundaries
t2 = mustParseTime("0001-01-01T00:00:00.000000000Z")
t3 = mustParseTime("9999-12-31T23:59:59.999999999Z")
// Local timezone
t4 = time.Now()
d1 = mustParseDate("2016-11-15")
d2 = mustParseDate("1678-01-01")
)
func mustParseTime(s string) time.Time {
t, err := time.Parse(time.RFC3339Nano, s)
if err != nil {
panic(err)
}
return t
}
func mustParseDate(s string) civil.Date {
d, err := civil.ParseDate(s)
if err != nil {
panic(err)
}
return d
}
type customStructToString struct {
A string
B string
}
// Convert the customStructToString
func (c customStructToString) EncodeSpanner() (interface{}, error) {
return "A-B", nil
}
// Convert to customStructToString
func (c *customStructToString) DecodeSpanner(val interface{}) (err error) {
c.A = "A"
c.B = "B"
return nil
}
type customStructToInt struct {
A int64
B int64
}
// Convert the customStructToInt
func (c customStructToInt) EncodeSpanner() (interface{}, error) {
return 123, nil
}
// Convert to customStructToInt
func (c *customStructToInt) DecodeSpanner(val interface{}) (err error) {
c.A = 1
c.B = 23
return nil
}
type customStructToFloat struct {
A float64
B float64
}
// Convert the customStructToFloat
func (c customStructToFloat) EncodeSpanner() (interface{}, error) {
return 123.123, nil
}
// Convert to customStructToFloat
func (c *customStructToFloat) DecodeSpanner(val interface{}) (err error) {
c.A = 1.23
c.B = 12.3
return nil
}
type customStructToBool struct {
A bool
B bool
}
// Convert the customStructToBool
func (c customStructToBool) EncodeSpanner() (interface{}, error) {
return true, nil
}
// Convert to customStructToBool
func (c *customStructToBool) DecodeSpanner(val interface{}) (err error) {
c.A = true
c.B = false
return nil
}
type customStructToBytes struct {
A []byte
B []byte
}
// Convert the customStructToBytes
func (c customStructToBytes) EncodeSpanner() (interface{}, error) {
return []byte("AB"), nil
}
// Convert to customStructToBytes
func (c *customStructToBytes) DecodeSpanner(val interface{}) (err error) {
c.A = []byte("A")
c.B = []byte("B")
return nil
}
type customStructToTime struct {
A string
B string
}
// Convert the customStructToTime
func (c customStructToTime) EncodeSpanner() (interface{}, error) {
return t1, nil
}
// Convert to customStructToTime
func (c *customStructToTime) DecodeSpanner(val interface{}) (err error) {
c.A = "A"
c.B = "B"
return nil
}
type customStructToDate struct {
A string
B string
}
// Convert the customStructToDate
func (c customStructToDate) EncodeSpanner() (interface{}, error) {
return d1, nil
}
// Convert to customStructToDate
func (c *customStructToDate) DecodeSpanner(val interface{}) (err error) {
c.A = "A"
c.B = "B"
return nil
}
type customStructToNull struct {
val interface{}
}
func (c customStructToNull) EncodeSpanner() (interface{}, error) {
return c.val, nil
}
func (c *customStructToNull) DecodeSpanner(val interface{}) (err error) {
if reflect.ValueOf(val).IsNil() {
return nil
}
return fmt.Errorf("val mismatch: expected nil, got %v", val)
}
// e.g. a clock face time HH:MM
type customArray [4]uint8
// Convert to customArray from structpb.ListValue<structpb.StringValue>
func (c *customArray) DecodeSpanner(val interface{}) error {
listVal, ok := val.(*structpb.ListValue)
if !ok {
return fmt.Errorf("failed to decode customArray: unexpected type of %v", val)
}
asSlice := listVal.AsSlice()
if len(asSlice) != 4 {
return errors.New("failed to decode customArray: expected array of length 4")
}
for i, vI := range asSlice {
vStr, ok := vI.(string)
if !ok {
return fmt.Errorf("failed to decode customArray: got non string value: %v", vI)
}
vInt, _ := strconv.Atoi(vStr)
c[i] = uint8(vInt)
}
return nil
}
// Test encoding Values.
func TestEncodeValue(t *testing.T) {
type CustomString string
type CustomBytes []byte
type CustomInt64 int64
type CustomBool bool
type CustomFloat64 float64
type CustomTime time.Time
type CustomDate civil.Date
type CustomNumeric big.Rat
type CustomPGNumeric PGNumeric
type CustomPGJSONB PGJsonB
type CustomNullString NullString
type CustomNullInt64 NullInt64
type CustomNullBool NullBool
type CustomNullFloat64 NullFloat64
type CustomNullTime NullTime
type CustomNullDate NullDate
type CustomNullNumeric NullNumeric
type CustomNullJSON NullJSON
type Message struct {
Name string
Body string
Time int64
}
msg := Message{"Alice", "Hello", 1294706395881547000}
jsonStr := `{"Name":"Alice","Body":"Hello","Time":1294706395881547000}`
emptyArrayJSONStr := `[]`
type PtrMessage struct {
Key *string
}
ptrMsg := PtrMessage{}
nullValueJSONStr := `{"Key":null}`
sValue := "abc"
var sNilPtr *string
iValue := int64(7)
var iNilPtr *int64
bValue := true
var bNilPtr *bool
fValue := 3.14
var fNilPtr *float64
f32Value := float32(3.14)
var f32NilPtr *float32
tValue := t1
var tNilPtr *time.Time
dValue := d1
var dNilPtr *civil.Date
numValuePtr := big.NewRat(12345, 1e3)
var numNilPtr *big.Rat
num2ValuePtr := big.NewRat(12345, 1e4)
maxNumValuePtr, _ := (&big.Rat{}).SetString("99999999999999999999999999999.999999999")
minNumValuePtr, _ := (&big.Rat{}).SetString("-99999999999999999999999999999.999999999")
singer1ProtoEnum := pb.Genre_ROCK
singer1ProtoMsg := &pb.SingerInfo{
SingerId: proto.Int64(1),
BirthDate: proto.String("January"),
Nationality: proto.String("Country1"),
Genre: &singer1ProtoEnum,
}
singer2ProtoEnum := pb.Genre_FOLK
singer2ProtoMsg := &pb.SingerInfo{
SingerId: proto.Int64(2),
BirthDate: proto.String("February"),
Nationality: proto.String("Country2"),
Genre: &singer2ProtoEnum,
}
protoMessagefqn := "examples.spanner.music.SingerInfo"
protoEnumfqn := "examples.spanner.music.Genre"
var (
tString = stringType()
tInt = intType()
tBool = boolType()
tFloat = floatType()
tFloat32 = float32Type()
tBytes = bytesType()
tTime = timeType()
tDate = dateType()
tNumeric = numericType()
tJSON = jsonType()
tPGNumeric = pgNumericType()
tPGJsonb = pgJsonbType()
tProtoMessage = protoMessageType(protoMessagefqn)
tProtoEnum = protoEnumType(protoEnumfqn)
)
for i, test := range []struct {
in interface{}
want *proto3.Value
wantType *sppb.Type
name string
}{
// STRING / STRING ARRAY:
{"abc", stringProto("abc"), tString, "string"},
{NullString{"abc", true}, stringProto("abc"), tString, "NullString with value"},
{NullString{"abc", false}, nullProto(), tString, "NullString with null"},
{&sValue, stringProto("abc"), tString, "*string with value"},
{sNilPtr, nullProto(), tString, "*string with null"},
{[]string(nil), nullProto(), listType(tString), "null []string"},
{[]string{"abc", "bcd"}, listProto(stringProto("abc"), stringProto("bcd")), listType(tString), "[]string"},
{[]NullString{{"abcd", true}, {"xyz", false}}, listProto(stringProto("abcd"), nullProto()), listType(tString), "[]NullString"},
{[]*string{&sValue, sNilPtr}, listProto(stringProto("abc"), nullProto()), listType(tString), "[]*string"},
// BYTES / BYTES ARRAY
{[]byte("foo"), bytesProto([]byte("foo")), tBytes, "[]byte with value"},
{[]byte(nil), nullProto(), tBytes, "null []byte"},
{[][]byte{nil, []byte("ab")}, listProto(nullProto(), bytesProto([]byte("ab"))), listType(tBytes), "[][]byte"},
{[][]byte(nil), nullProto(), listType(tBytes), "null [][]byte"},
// INT64 / INT64 ARRAY
{7, intProto(7), tInt, "int"},
{[]int(nil), nullProto(), listType(tInt), "null []int"},
{[]int{31, 127}, listProto(intProto(31), intProto(127)), listType(tInt), "[]int"},
{int64(81), intProto(81), tInt, "int64"},
{[]int64(nil), nullProto(), listType(tInt), "null []int64"},
{[]int64{33, 129}, listProto(intProto(33), intProto(129)), listType(tInt), "[]int64"},
{NullInt64{11, true}, intProto(11), tInt, "NullInt64 with value"},
{NullInt64{11, false}, nullProto(), tInt, "NullInt64 with null"},
{&iValue, intProto(7), tInt, "*int64 with value"},
{iNilPtr, nullProto(), tInt, "*int64 with null"},
{[]NullInt64{{35, true}, {131, false}}, listProto(intProto(35), nullProto()), listType(tInt), "[]NullInt64"},
{[]*int64{&iValue, iNilPtr}, listProto(intProto(7), nullProto()), listType(tInt), "[]*int64"},
// BOOL / BOOL ARRAY
{true, boolProto(true), tBool, "bool"},
{NullBool{true, true}, boolProto(true), tBool, "NullBool with value"},
{NullBool{true, false}, nullProto(), tBool, "NullBool with null"},
{&bValue, boolProto(true), tBool, "*bool with value"},
{bNilPtr, nullProto(), tBool, "*bool with null"},
{[]bool{true, false}, listProto(boolProto(true), boolProto(false)), listType(tBool), "[]bool"},
{[]NullBool{{true, true}, {true, false}}, listProto(boolProto(true), nullProto()), listType(tBool), "[]NullBool"},
{[]*bool{&bValue, bNilPtr}, listProto(boolProto(true), nullProto()), listType(tBool), "[]*bool"},
// FLOAT64 / FLOAT64 ARRAY
{3.14, floatProto(3.14), tFloat, "float"},
{NullFloat64{3.1415, true}, floatProto(3.1415), tFloat, "NullFloat64 with value"},
{NullFloat64{math.Inf(1), true}, floatProto(math.Inf(1)), tFloat, "NullFloat64 with infinity"},
{NullFloat64{3.14159, false}, nullProto(), tFloat, "NullFloat64 with null"},
{&fValue, floatProto(3.14), tFloat, "*float64 with value"},
{fNilPtr, nullProto(), tFloat, "*float64 with null"},
{[]float64(nil), nullProto(), listType(tFloat), "null []float64"},
{[]float64{3.141, 0.618, math.Inf(-1)}, listProto(floatProto(3.141), floatProto(0.618), floatProto(math.Inf(-1))), listType(tFloat), "[]float64"},
{[]NullFloat64{{3.141, true}, {0.618, false}}, listProto(floatProto(3.141), nullProto()), listType(tFloat), "[]NullFloat64"},
{[]*float64{&fValue, fNilPtr}, listProto(floatProto(3.14), nullProto()), listType(tFloat), "[]NullFloat64"},
// FLOAT32 / FLOAT32 ARRAY
{float32(3.14), float32Proto(3.14), tFloat32, "float32"},
{NullFloat32{3.14, true}, float32Proto(3.14), tFloat32, "NullFloat32 with value"},
{NullFloat32{float32(math.Inf(1)), true}, float32Proto(float32(math.Inf(1))), tFloat32, "NullFloat32 with infinity"},
{NullFloat32{3.14, false}, nullProto(), tFloat32, "NullFloat32 with null"},
{&f32Value, float32Proto(3.14), tFloat32, "*float32 with value"},
{f32NilPtr, nullProto(), tFloat32, "*float32 with null"},
{[]float32(nil), nullProto(), listType(tFloat32), "null []float32"},
{[]float32{3.14, 0.618, float32(math.Inf(-1))}, listProto(float32Proto(3.14), float32Proto(0.618), float32Proto(float32(math.Inf(-1)))), listType(tFloat32), "[]float32"},
{[]NullFloat32{{3.14, true}, {0.618, false}}, listProto(float32Proto(3.14), nullProto()), listType(tFloat32), "[]NullFloat"},
{[]*float32{&f32Value, f32NilPtr}, listProto(float32Proto(3.14), nullProto()), listType(tFloat32), "[]NullFloat32"},
// NUMERIC / NUMERIC ARRAY
{*numValuePtr, numericProto(numValuePtr), tNumeric, "big.Rat"},
{numValuePtr, numericProto(numValuePtr), tNumeric, "*big.Rat"},
{maxNumValuePtr, numericProto(maxNumValuePtr), tNumeric, "max numeric"},
{minNumValuePtr, numericProto(minNumValuePtr), tNumeric, "min numeric"},
{numNilPtr, nullProto(), tNumeric, "*big.Rat with null"},
{NullNumeric{*numValuePtr, true}, numericProto(numValuePtr), tNumeric, "NullNumeric with value"},
{NullNumeric{*numValuePtr, false}, nullProto(), tNumeric, "NullNumeric with null"},
{[]big.Rat(nil), nullProto(), listType(tNumeric), "null []big.Rat"},
{[]big.Rat{*numValuePtr, *num2ValuePtr}, listProto(numericProto(numValuePtr), numericProto(num2ValuePtr)), listType(tNumeric), "[]big.Rat"},
{[]NullNumeric{{*numValuePtr, true}, {*numValuePtr, false}}, listProto(numericProto(numValuePtr), nullProto()), listType(tNumeric), "[]NullNumeric"},
{[]*big.Rat{nil, numValuePtr}, listProto(nullProto(), numericProto(numValuePtr)), listType(tNumeric), "[]*big.Rat"},
{[]*big.Rat(nil), nullProto(), listType(tNumeric), "null []*big.Rat"},
// JSON
{NullJSON{msg, true}, stringProto(jsonStr), tJSON, "NullJSON with value"},
{NullJSON{msg, false}, nullProto(), tJSON, "NullJSON with null"},
{[]NullJSON(nil), nullProto(), listType(tJSON), "null []NullJSON"},
{[]NullJSON{{msg, true}, {msg, false}}, listProto(stringProto(jsonStr), nullProto()), listType(tJSON), "[]NullJSON"},
{NullJSON{[]Message{}, true}, stringProto(emptyArrayJSONStr), tJSON, "a json string with empty array to NullJSON"},
{NullJSON{ptrMsg, true}, stringProto(nullValueJSONStr), tJSON, "a json string with null value to NullJSON"},
// PG JSONB
{PGJsonB{Value: msg, Valid: true}, stringProto(jsonStr), tPGJsonb, "PGJsonB with value"},
{PGJsonB{Value: msg, Valid: false}, nullProto(), tPGJsonb, "PGJsonB with null"},
{[]PGJsonB(nil), nullProto(), listType(tPGJsonb), "null []PGJsonB"},
{[]PGJsonB{{Value: msg, Valid: true}, {Value: msg, Valid: false}}, listProto(stringProto(jsonStr), nullProto()), listType(tPGJsonb), "[]PGJsonB"},
{PGJsonB{Value: []Message{}, Valid: true}, stringProto(emptyArrayJSONStr), tPGJsonb, "a json string with empty array to PGJsonB"},
{PGJsonB{Value: ptrMsg, Valid: true}, stringProto(nullValueJSONStr), tPGJsonb, "a json string with null value to PGJsonB"},
// PG NUMERIC
{PGNumeric{"123.456", true}, stringProto("123.456"), tPGNumeric, "PG Numeric"},
{PGNumeric{Valid: false}, nullProto(), tPGNumeric, "PG Numeric with a null value"},
{[]PGNumeric(nil), nullProto(), listType(tPGNumeric), "null []PGNumeric"},
{[]PGNumeric{{"123.456", true}, {Valid: false}}, listProto(stringProto("123.456"), nullProto()), listType(tPGNumeric), "[]PGNumeric"},
// TIMESTAMP / TIMESTAMP ARRAY
{t1, timeProto(t1), tTime, "time"},
{NullTime{t1, true}, timeProto(t1), tTime, "NullTime with value"},
{NullTime{t1, false}, nullProto(), tTime, "NullTime with null"},
{&tValue, timeProto(t1), tTime, "*time.Time with value"},
{tNilPtr, nullProto(), tTime, "*time.Time with null"},
{[]time.Time(nil), nullProto(), listType(tTime), "null []time"},
{[]time.Time{t1, t2, t3, t4}, listProto(timeProto(t1), timeProto(t2), timeProto(t3), timeProto(t4)), listType(tTime), "[]time"},
{[]NullTime{{t1, true}, {t1, false}}, listProto(timeProto(t1), nullProto()), listType(tTime), "[]NullTime"},
{[]*time.Time{&tValue, tNilPtr}, listProto(timeProto(t1), nullProto()), listType(tTime), "[]*time.Time"},
// DATE / DATE ARRAY
{d1, dateProto(d1), tDate, "date"},
{NullDate{d1, true}, dateProto(d1), tDate, "NullDate with value"},
{NullDate{civil.Date{}, false}, nullProto(), tDate, "NullDate with null"},
{&dValue, dateProto(d1), tDate, "*civil.Date with value"},
{dNilPtr, nullProto(), tDate, "*civil.Date with null"},
{[]civil.Date(nil), nullProto(), listType(tDate), "null []date"},
{[]civil.Date{d1, d2}, listProto(dateProto(d1), dateProto(d2)), listType(tDate), "[]date"},
{[]NullDate{{d1, true}, {civil.Date{}, false}}, listProto(dateProto(d1), nullProto()), listType(tDate), "[]NullDate"},
{[]*civil.Date{&dValue, dNilPtr}, listProto(dateProto(d1), nullProto()), listType(tDate), "[]*civil.Date"},
// GenericColumnValue
{GenericColumnValue{tString, stringProto("abc")}, stringProto("abc"), tString, "GenericColumnValue with value"},
{GenericColumnValue{tString, nullProto()}, nullProto(), tString, "GenericColumnValue with null"},
// not actually valid (stringProto inside int list), but demonstrates pass-through.
{
GenericColumnValue{
Type: listType(tInt),
Value: listProto(intProto(5), nullProto(), stringProto("bcd")),
},
listProto(intProto(5), nullProto(), stringProto("bcd")),
listType(tInt),
"pass-through",
},
// placeholder
{CommitTimestamp, stringProto(commitTimestampPlaceholderString), tTime, "CommitTimestampPlaceholder"},
// CUSTOM STRING / CUSTOM STRING ARRAY
{CustomString("abc"), stringProto("abc"), tString, "CustomString"},
{CustomNullString{"abc", true}, stringProto("abc"), tString, "CustomNullString with value"},
{CustomNullString{"abc", false}, nullProto(), tString, "CustomNullString with null"},
{[]CustomString(nil), nullProto(), listType(tString), "null []CustomString"},
{[]CustomString{"abc", "bcd"}, listProto(stringProto("abc"), stringProto("bcd")), listType(tString), "[]CustomString"},
{[]CustomNullString(nil), nullProto(), listType(tString), "null []NullCustomString"},
{[]CustomNullString{{"abcd", true}, {"xyz", false}}, listProto(stringProto("abcd"), nullProto()), listType(tString), "[]NullCustomString"},
// CUSTOM BYTES / CUSTOM BYTES ARRAY
{CustomBytes("foo"), bytesProto([]byte("foo")), tBytes, "CustomBytes with value"},
{CustomBytes(nil), nullProto(), tBytes, "null CustomBytes"},
{[]CustomBytes{nil, CustomBytes("ab")}, listProto(nullProto(), bytesProto([]byte("ab"))), listType(tBytes), "[]CustomBytes"},
{[]CustomBytes(nil), nullProto(), listType(tBytes), "null []CustomBytes"},
// CUSTOM INT64 / CUSTOM INT64 ARRAY
{CustomInt64(81), intProto(81), tInt, "CustomInt64"},
{[]CustomInt64(nil), nullProto(), listType(tInt), "null []CustomInt64"},
{[]CustomInt64{33, 129}, listProto(intProto(33), intProto(129)), listType(tInt), "[]CustomInt64"},
{CustomNullInt64{11, true}, intProto(11), tInt, "CustomNullInt64 with value"},
{CustomNullInt64{11, false}, nullProto(), tInt, "CustomNullInt64 with null"},
{[]CustomNullInt64(nil), nullProto(), listType(tInt), "null []CustomNullInt64"},
{[]CustomNullInt64{{35, true}, {131, false}}, listProto(intProto(35), nullProto()), listType(tInt), "[]CustomNullInt64"},
// CUSTOM BOOL / CUSTOM BOOL ARRAY
{CustomBool(true), boolProto(true), tBool, "CustomBool"},
{CustomNullBool{true, true}, boolProto(true), tBool, "CustomNullBool with value"},
{CustomNullBool{true, false}, nullProto(), tBool, "CustomNullBool with null"},
{[]CustomBool{true, false}, listProto(boolProto(true), boolProto(false)), listType(tBool), "[]CustomBool"},
{[]CustomNullBool{{true, true}, {true, false}}, listProto(boolProto(true), nullProto()), listType(tBool), "[]CustomNullBool"},
// FLOAT64 / FLOAT64 ARRAY
{CustomFloat64(3.14), floatProto(3.14), tFloat, "CustomFloat64"},
{CustomNullFloat64{3.1415, true}, floatProto(3.1415), tFloat, "CustomNullFloat64 with value"},
{CustomNullFloat64{math.Inf(1), true}, floatProto(math.Inf(1)), tFloat, "CustomNullFloat64 with infinity"},
{CustomNullFloat64{3.14159, false}, nullProto(), tFloat, "CustomNullFloat64 with null"},
{[]CustomFloat64(nil), nullProto(), listType(tFloat), "null []CustomFloat64"},
{[]CustomFloat64{3.141, 0.618, CustomFloat64(math.Inf(-1))}, listProto(floatProto(3.141), floatProto(0.618), floatProto(math.Inf(-1))), listType(tFloat), "[]CustomFloat64"},
{[]CustomNullFloat64(nil), nullProto(), listType(tFloat), "null []CustomNullFloat64"},
{[]CustomNullFloat64{{3.141, true}, {0.618, false}}, listProto(floatProto(3.141), nullProto()), listType(tFloat), "[]CustomNullFloat64"},
// CUSTOM TIMESTAMP / CUSTOM TIMESTAMP ARRAY
{CustomTime(t1), timeProto(t1), tTime, "CustomTime"},
{CustomNullTime{t1, true}, timeProto(t1), tTime, "CustomNullTime with value"},
{CustomNullTime{t1, false}, nullProto(), tTime, "CustomNullTime with null"},
{[]CustomTime(nil), nullProto(), listType(tTime), "null []CustomTime"},
{[]CustomTime{CustomTime(t1), CustomTime(t2), CustomTime(t3), CustomTime(t4)}, listProto(timeProto(t1), timeProto(t2), timeProto(t3), timeProto(t4)), listType(tTime), "[]CustomTime"},
{[]CustomNullTime(nil), nullProto(), listType(tTime), "null []CustomNullTime"},
{[]CustomNullTime{{t1, true}, {t1, false}}, listProto(timeProto(t1), nullProto()), listType(tTime), "[]CustomNullTime"},
// CUSTOM DATE / CUSTOM DATE ARRAY
{CustomDate(d1), dateProto(d1), tDate, "CustomDate"},
{CustomNullDate{d1, true}, dateProto(d1), tDate, "CustomNullDate with value"},
{CustomNullDate{civil.Date{}, false}, nullProto(), tDate, "CustomNullDate with null"},
{[]CustomDate(nil), nullProto(), listType(tDate), "null []CustomDate"},
{[]CustomDate{CustomDate(d1), CustomDate(d2)}, listProto(dateProto(d1), dateProto(d2)), listType(tDate), "[]CustomDate"},
{[]CustomNullDate(nil), nullProto(), listType(tDate), "null []CustomNullDate"},
{[]CustomNullDate{{d1, true}, {civil.Date{}, false}}, listProto(dateProto(d1), nullProto()), listType(tDate), "[]NullDate"},
// CUSTOM STRUCT
{customStructToString{"A", "B"}, stringProto("A-B"), tString, "a struct to string"},
{customStructToInt{1, 23}, intProto(123), tInt, "a struct to int"},
{customStructToFloat{1.23, 12.3}, floatProto(123.123), tFloat, "a struct to float"},
{customStructToBool{true, false}, boolProto(true), tBool, "a struct to bool"},
{customStructToBytes{[]byte("A"), []byte("B")}, bytesProto([]byte("AB")), tBytes, "a struct to bytes"},
{customStructToTime{"A", "B"}, timeProto(tValue), tTime, "a struct to time"},
{customStructToDate{"A", "B"}, dateProto(dValue), tDate, "a struct to date"},
{customStructToNull{val: bNilPtr}, nullProto(), tBool, "a struct to null bool"},
{customStructToNull{val: []byte(nil)}, nullProto(), tBytes, "a struct to null bytes"},
{customStructToNull{val: sNilPtr}, nullProto(), tString, "a struct to null string"},
{customStructToNull{val: iNilPtr}, nullProto(), tInt, "a struct to null int"},
{customStructToNull{val: fNilPtr}, nullProto(), tFloat, "a struct to null float"},
{customStructToNull{val: numNilPtr}, nullProto(), tNumeric, "a struct to null numeric"},
{customStructToNull{val: dNilPtr}, nullProto(), tDate, "a struct to null date"},
{customStructToNull{val: tNilPtr}, nullProto(), tTime, "a struct to null timestamp"},
// CUSTOM NUMERIC / CUSTOM NUMERIC ARRAY
{CustomNumeric(*numValuePtr), numericProto(numValuePtr), tNumeric, "CustomNumeric"},
{CustomNullNumeric{*numValuePtr, true}, numericProto(numValuePtr), tNumeric, "CustomNullNumeric with value"},
{CustomNullNumeric{*numValuePtr, false}, nullProto(), tNumeric, "CustomNullNumeric with null"},
{[]CustomNumeric(nil), nullProto(), listType(tNumeric), "null []CustomNumeric"},
{[]CustomNumeric{CustomNumeric(*numValuePtr), CustomNumeric(*num2ValuePtr)}, listProto(numericProto(numValuePtr), numericProto(num2ValuePtr)), listType(tNumeric), "[]CustomNumeric"},
{[]CustomNullNumeric(nil), nullProto(), listType(tNumeric), "null []CustomNullNumeric"},
{[]CustomNullNumeric{{*numValuePtr, true}, {*num2ValuePtr, false}}, listProto(numericProto(numValuePtr), nullProto()), listType(tNumeric), "[]CustomNullNumeric"},
// CUSTOM JSON
{CustomNullJSON{msg, true}, stringProto(jsonStr), tJSON, "CustomNullJSON with value"},
{CustomNullJSON{msg, false}, nullProto(), tJSON, "CustomNullJSON with null"},
{[]CustomNullJSON(nil), nullProto(), listType(tJSON), "null []CustomNullJSON"},
{[]CustomNullJSON{{msg, true}, {msg, false}}, listProto(stringProto(jsonStr), nullProto()), listType(tJSON), "[]CustomNullJSON"},
// CUSTOM PG NUMERIC
{CustomPGNumeric{"123.456", true}, stringProto("123.456"), tPGNumeric, "PG Numeric"},
{CustomPGNumeric{Valid: false}, nullProto(), tPGNumeric, "PG Numeric with a null value"},
{[]CustomPGNumeric(nil), nullProto(), listType(tPGNumeric), "null []PGNumeric"},
{[]CustomPGNumeric{{"123.456", true}, {Valid: false}}, listProto(stringProto("123.456"), nullProto()), listType(tPGNumeric), "[]PGNumeric"},
// CUSTOM PG JSONB
{CustomPGJSONB{Value: msg, Valid: true}, stringProto(jsonStr), tPGJsonb, "CustomPGJSONB with value"},
{CustomPGJSONB{Value: msg, Valid: false}, nullProto(), tPGJsonb, "CustomPGJSONB with null"},
{[]CustomPGJSONB(nil), nullProto(), listType(tPGJsonb), "null []CustomPGJSONB"},
{[]CustomPGJSONB{{Value: msg, Valid: true}, {Value: msg, Valid: false}}, listProto(stringProto(jsonStr), nullProto()), listType(tPGJsonb), "[]CustomPGJSONB"},
// PROTO MESSAGE AND PROTO ENUM
{singer1ProtoMsg, protoMessageProto(singer1ProtoMsg), tProtoMessage, "Proto Message"},
{singer1ProtoEnum, protoEnumProto(singer1ProtoEnum), tProtoEnum, "Proto Enum"},
{(*pb.SingerInfo)(nil), nullProto(), tProtoMessage, "Proto Message with nil"},
{(*pb.Genre)(nil), nullProto(), tProtoEnum, "Proto Enum with nil"},
{NullProtoMessage{singer1ProtoMsg, true}, protoMessageProto(singer1ProtoMsg), tProtoMessage, "NullProto with value"},
{NullProtoEnum{singer1ProtoEnum, true}, protoEnumProto(singer1ProtoEnum), tProtoEnum, "NullEnum with value"},
{NullProtoMessage{(*pb.SingerInfo)(nil), true}, nullProto(), tProtoMessage, "NullProto with value nil"},
{NullProtoEnum{(*pb.Genre)(nil), true}, nullProto(), tProtoEnum, "NullEnum with value nil"},
// ARRAY OF PROTO MESSAGES AND PROTO ENUM
{[]*pb.SingerInfo{singer1ProtoMsg, singer2ProtoMsg}, listProto(protoMessageProto(singer1ProtoMsg), protoMessageProto(singer2ProtoMsg)), listType(tProtoMessage), "Array of Proto Message"},
{[]*pb.SingerInfo{singer1ProtoMsg, singer2ProtoMsg, nil, (*pb.SingerInfo)(nil)}, listProto(protoMessageProto(singer1ProtoMsg), protoMessageProto(singer2ProtoMsg), nullProto(), nullProto()), listType(tProtoMessage), "Array of Proto Message with nil values"},
{[]*pb.Genre{&singer1ProtoEnum, &singer2ProtoEnum}, listProto(protoEnumProto(singer1ProtoEnum), protoEnumProto(singer2ProtoEnum)), listType(tProtoEnum), "Array of Proto Enum 1"},
{[]pb.Genre{singer1ProtoEnum, singer2ProtoEnum}, listProto(protoEnumProto(singer1ProtoEnum), protoEnumProto(singer2ProtoEnum)), listType(tProtoEnum), "Array of Proto Enum 2"},
{[]*pb.Genre{&singer1ProtoEnum, &singer2ProtoEnum, nil, (*pb.Genre)(nil)}, listProto(protoEnumProto(singer1ProtoEnum), protoEnumProto(singer2ProtoEnum), nullProto(), nullProto()), listType(tProtoEnum), "Array of Proto Enum with nil values"},
{[]*pb.SingerInfo{}, listProto(), listType(tProtoMessage), "Empty Array of Proto Message"},
{[]*pb.SingerInfo(nil), nullProto(), listType(tProtoMessage), "Nil array of Proto Message"},
{[]*pb.Genre{}, listProto(), listType(tProtoEnum), "Empty Array of Proto Enum 1"},
{[]*pb.Genre(nil), nullProto(), listType(tProtoEnum), "Nil Array of Proto Enum 1"},
{[]pb.Genre{}, listProto(), listType(tProtoEnum), "Empty Array of Proto Enum 2"},
{[]pb.Genre(nil), nullProto(), listType(tProtoEnum), "Nil Array of Proto Enum 2"},
// Null elements in ARRAY OF PROTO MESSAGES AND PROTO ENUM
{[]*pb.SingerInfo{nil, (*pb.SingerInfo)(nil)}, listProto(nullProto(), nullProto()), listType(tProtoMessage), "Array of Proto Message with nil values"},
{[]*pb.Genre{nil, (*pb.Genre)(nil)}, listProto(nullProto(), nullProto()), listType(tProtoEnum), "Array of Proto Enum with nil values"},
{[]*pb.SingerInfo{singer1ProtoMsg, singer2ProtoMsg, nil, (*pb.SingerInfo)(nil)}, listProto(protoMessageProto(singer1ProtoMsg), protoMessageProto(singer2ProtoMsg), nullProto(), nullProto()), listType(tProtoMessage), "Array of Proto Message with non-nil and nil values"},
{[]*pb.Genre{&singer1ProtoEnum, &singer2ProtoEnum, nil, (*pb.Genre)(nil)}, listProto(protoEnumProto(singer1ProtoEnum), protoEnumProto(singer2ProtoEnum), nullProto(), nullProto()), listType(tProtoEnum), "Array of Proto Enum with non-nil and nil values"},
// PROTO MESSAGE AND ENUM WITH CUSTOM ENCODER
{&pb.CustomSingerInfo{SingerName: &sValue}, stringProto("abc"), tString, "Proto message with encoder interface to string"},
{pb.CustomGenre_CUSTOM_ROCK, stringProto("CUSTOM_ROCK"), tString, "Proto Enum with encoder interface to string"},
} {
got, gotType, err := encodeValue(test.in)
if err != nil {
t.Fatalf("#%d (%s): got error during encoding: %v, want nil", i, test.name, err)
}
if !testEqual(got, test.want) {
t.Errorf("#%d (%s): got encode result: %v, want %v", i, test.name, got, test.want)
}
if !testEqual(gotType, test.wantType) {
t.Errorf("#%d (%s): got encode type: %v, want %v", i, test.name, gotType, test.wantType)
}
}
}
// Test encoding invalid values.
func TestEncodeInvalidValues(t *testing.T) {
type CustomNumeric big.Rat
invalidNumPtr1 := big.NewRat(11234567891, 1e10)
invalidNumPtr2, _ := (&big.Rat{}).SetString("199999999999999999999999999999.999999999")
// Enable error mode.
oldValue := LossOfPrecisionHandling
defer func() {
// Reset the value to pre-test value
LossOfPrecisionHandling = oldValue
}()
LossOfPrecisionHandling = NumericError
for i, test := range []struct {
desc string
in interface{}
errMsg string
}{
// NUMERIC
{desc: "numeric pointer with invalid scale component", in: invalidNumPtr1, errMsg: "max scale for a numeric is 9. The requested numeric has more"},
{desc: "numeric pointer with invalid whole component", in: invalidNumPtr2, errMsg: "max precision for the whole component of a numeric is 29. The requested numeric has a whole component with precision 30"},
{desc: "numeric with invalid scale component", in: *invalidNumPtr1, errMsg: "max scale for a numeric is 9. The requested numeric has more"},
{desc: "numeric with invalid whole component", in: *invalidNumPtr2, errMsg: "max precision for the whole component of a numeric is 29. The requested numeric has a whole component with precision 30"},
// CUSTOM NUMERIC
{desc: "custom numeric type with invalid scale component", in: CustomNumeric(*invalidNumPtr1), errMsg: "max scale for a numeric is 9. The requested numeric has more"},
{desc: "custom numeric type with invalid whole component", in: CustomNumeric(*invalidNumPtr2), errMsg: "max precision for the whole component of a numeric is 29. The requested numeric has a whole component with precision 30"},
// PROTO MESSAGE AND PROTO ENUM
{desc: "Invalid Null Proto", in: NullProtoMessage{}, errMsg: "spanner: code = \"InvalidArgument\", desc = \"field \\\"Valid\\\" of spanner.NullProtoMessage cannot be set to false when writing data to Cloud Spanner. Use typed nil in spanner.NullProtoMessage to write null values to Cloud Spanner\""},
{desc: "Invalid Null Enum", in: NullProtoEnum{}, errMsg: "spanner: code = \"InvalidArgument\", desc = \"field \\\"Valid\\\" of spanner.NullProtoEnum cannot be set to false when writing data to Cloud Spanner. Use typed nil in spanner.NullProtoEnum to write null values to Cloud Spanner\""},
} {
_, _, err := encodeValue(test.in)
if err == nil {
t.Fatalf("#%d (%s): want error during encoding, but got nil", i, test.desc)
}
if err.Error() != test.errMsg {
t.Errorf("#%d (%s): incorrect error message, got %v, want %v", i, test.desc, err, test.errMsg)
}
}
}
type encodeTest struct {
desc string
in interface{}
want *proto3.Value
wantType *sppb.Type
}
func checkStructEncoding(desc string, got *proto3.Value, gotType *sppb.Type,
want *proto3.Value, wantType *sppb.Type, t *testing.T) {
if !testEqual(got, want) {
t.Errorf("Test %s: got encode result: %v, want %v", desc, got, want)
}
if !testEqual(gotType, wantType) {
t.Errorf("Test %s: got encode type: %v, want %v", desc, gotType, wantType)
}
}
// Testcase code
func encodeStructValue(test encodeTest, t *testing.T) {
got, gotType, err := encodeValue(test.in)
if err != nil {
t.Fatalf("Test %s: got error during encoding: %v, want nil", test.desc, err)
}
checkStructEncoding(test.desc, got, gotType, test.want, test.wantType, t)
}
func TestEncodeStructValuePointers(t *testing.T) {
type structf struct {
F int `spanner:"ff2"`
}
nestedStructProto := structType(mkField("ff2", intType()))
type testType struct {
Stringf string
Structf *structf
ArrStructf []*structf
}
testTypeProto := structType(
mkField("Stringf", stringType()),
mkField("Structf", nestedStructProto),
mkField("ArrStructf", listType(nestedStructProto)))
for _, test := range []encodeTest{
{
"Pointer to Go struct with pointers-to-(array)-struct fields.",
&testType{"hello", &structf{50}, []*structf{{30}, {40}}},
listProto(
stringProto("hello"),
listProto(intProto(50)),
listProto(
listProto(intProto(30)),
listProto(intProto(40)))),
testTypeProto,
},
{
"Nil pointer to Go struct representing a NULL struct value.",
(*testType)(nil),
nullProto(),
testTypeProto,
},
{
"Slice of pointers to Go structs with NULL and non-NULL elements.",
[]*testType{
(*testType)(nil),
{"hello", nil, []*structf{nil, {40}}},
{"world", &structf{70}, nil},
},
listProto(
nullProto(),
listProto(
stringProto("hello"),
nullProto(),
listProto(nullProto(), listProto(intProto(40)))),
listProto(
stringProto("world"),
listProto(intProto(70)),
nullProto())),
listType(testTypeProto),
},
{
"Nil slice of pointers to structs representing a NULL array of structs.",
[]*testType(nil),
nullProto(),
listType(testTypeProto),
},
{
"Empty slice of pointers to structs representing an empty array of structs.",
[]*testType{},
listProto(),
listType(testTypeProto),
},
} {
encodeStructValue(test, t)
}
}
func TestEncodeStructValueErrors(t *testing.T) {
type Embedded struct {
A int
}
type embedded struct {
B bool
}
x := 0
for _, test := range []struct {
desc string
in interface{}
wantErr error
}{
{
"Unsupported embedded fields.",
struct{ Embedded }{Embedded{10}},
errUnsupportedEmbeddedStructFields("Embedded"),
},
{
"Unsupported pointer to embedded fields.",
struct{ *Embedded }{&Embedded{10}},
errUnsupportedEmbeddedStructFields("Embedded"),
},
{
"Unsupported embedded + unexported fields.",
struct {
int
*bool
embedded
}{10, nil, embedded{false}},
errUnsupportedEmbeddedStructFields("int"),
},
{
"Unsupported type.",
(**struct{})(nil),
errEncoderUnsupportedType((**struct{})(nil)),
},
{
"Unsupported type.",
3,
errEncoderUnsupportedType(3),
},
{
"Unsupported type.",
&x,
errEncoderUnsupportedType(&x),
},
} {
_, _, got := encodeStruct(test.in)
if got == nil || !testEqual(test.wantErr, got) {
t.Errorf("Test: %s, expected error %v during decoding, got %v", test.desc, test.wantErr, got)
}
}
}
func TestEncodeStructValueArrayStructFields(t *testing.T) {
type structf struct {
Intff int
}
structfType := structType(mkField("Intff", intType()))
for _, test := range []encodeTest{
{
"Unnamed array-of-struct-typed field.",
struct {
Intf int
ArrStructf []structf `spanner:""`
}{10, []structf{{1}, {2}}},
listProto(
intProto(10),
listProto(
listProto(intProto(1)),
listProto(intProto(2)))),
structType(
mkField("Intf", intType()),
mkField("", listType(structfType))),
},
{
"Null array-of-struct-typed field.",
struct {
Intf int
ArrStructf []structf
}{10, []structf(nil)},
listProto(intProto(10), nullProto()),
structType(
mkField("Intf", intType()),
mkField("ArrStructf", listType(structfType))),
},
{
"Array-of-struct-typed field representing empty array.",
struct {
Intf int
ArrStructf []structf
}{10, []structf{}},
listProto(intProto(10), listProto([]*proto3.Value{}...)),
structType(
mkField("Intf", intType()),
mkField("ArrStructf", listType(structfType))),
},
{
"Array-of-struct-typed field with nullable struct elements.",
struct {
Intf int
ArrStructf []*structf
}{
10,
[]*structf{(*structf)(nil), {1}},
},
listProto(
intProto(10),
listProto(
nullProto(),
listProto(intProto(1)))),
structType(
mkField("Intf", intType()),
mkField("ArrStructf", listType(structfType))),
},
} {
encodeStructValue(test, t)
}
}
func TestEncodeStructValueStructFields(t *testing.T) {
type structf struct {
Intff int
}
structfType := structType(mkField("Intff", intType()))
for _, test := range []encodeTest{
{
"Named struct-type field.",
struct {
Intf int
Structf structf
}{10, structf{10}},
listProto(intProto(10), listProto(intProto(10))),
structType(
mkField("Intf", intType()),
mkField("Structf", structfType)),
},
{
"Unnamed struct-type field.",
struct {
Intf int
Structf structf `spanner:""`
}{10, structf{10}},
listProto(intProto(10), listProto(intProto(10))),
structType(
mkField("Intf", intType()),
mkField("", structfType)),
},
{
"Duplicate struct-typed field.",
struct {
Structf1 structf `spanner:""`
Structf2 structf `spanner:""`
}{structf{10}, structf{20}},
listProto(listProto(intProto(10)), listProto(intProto(20))),
structType(
mkField("", structfType),
mkField("", structfType)),
},
{
"Null struct-typed field.",
struct {
Intf int
Structf *structf
}{10, nil},
listProto(intProto(10), nullProto()),
structType(
mkField("Intf", intType()),
mkField("Structf", structfType)),
},
{
"Empty struct-typed field.",
struct {
Intf int
Structf struct{}
}{10, struct{}{}},
listProto(intProto(10), listProto([]*proto3.Value{}...)),
structType(
mkField("Intf", intType()),
mkField("Structf", structType([]*sppb.StructType_Field{}...))),
},
} {
encodeStructValue(test, t)
}
}
func TestEncodeStructValueFieldNames(t *testing.T) {
type embedded struct {
B bool
}
for _, test := range []encodeTest{
{
"Duplicate fields.",
struct {
Field1 int `spanner:"field"`
DupField1 int `spanner:"field"`
}{10, 20},
listProto(intProto(10), intProto(20)),
structType(
mkField("field", intType()),
mkField("field", intType())),
},
{
"Duplicate Fields (different types).",
struct {
IntField int `spanner:"field"`
StringField string `spanner:"field"`
}{10, "abc"},
listProto(intProto(10), stringProto("abc")),
structType(
mkField("field", intType()),
mkField("field", stringType())),
},
{
"Duplicate unnamed fields.",
struct {
Dup int `spanner:""`
Dup1 int `spanner:""`
}{10, 20},
listProto(intProto(10), intProto(20)),
structType(
mkField("", intType()),
mkField("", intType())),
},
{
"Named and unnamed fields.",
struct {
Field string
Field1 int `spanner:""`
Field2 string `spanner:"field"`
}{"abc", 10, "def"},
listProto(stringProto("abc"), intProto(10), stringProto("def")),
structType(
mkField("Field", stringType()),
mkField("", intType()),
mkField("field", stringType())),
},
{
"Ignored unexported fields.",
struct {
Field int
field bool
Field1 string `spanner:"field"`
}{10, false, "abc"},
listProto(intProto(10), stringProto("abc")),
structType(
mkField("Field", intType()),
mkField("field", stringType())),
},
{
"Ignored unexported struct/slice fields.",
struct {
a []*embedded
b []embedded
c embedded
d *embedded
Field1 string `spanner:"field"`
}{nil, nil, embedded{}, nil, "def"},
listProto(stringProto("def")),
structType(
mkField("field", stringType())),
},
} {
encodeStructValue(test, t)
}
}
func TestEncodeStructValueBasicFields(t *testing.T) {
type CustomString string
type CustomBytes []byte
type CustomInt64 int64
type CustomBool bool
type CustomFloat64 float64
type CustomFloat32 float32
type CustomTime time.Time