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marshal_test.go
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marshal_test.go
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//go:build all || unit
// +build all unit
package gocql
import (
"bytes"
"encoding/binary"
"math"
"math/big"
"net"
"reflect"
"strings"
"testing"
"time"
"gopkg.in/inf.v0"
)
type AliasInt int
type AliasUint uint
type AliasUint8 uint8
type AliasUint16 uint16
type AliasUint32 uint32
type AliasUint64 uint64
var marshalTests = []struct {
Info TypeInfo
Data []byte
Value interface{}
MarshalError error
UnmarshalError error
}{
{
NativeType{proto: 2, typ: TypeBoolean},
[]byte("\x00"),
false,
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBoolean},
[]byte("\x01"),
true,
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x00\x00"),
inf.NewDec(0, 0),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x00\x64"),
inf.NewDec(100, 0),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x02\x19"),
decimalize("0.25"),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x13\xD5\a;\x20\x14\xA2\x91"),
decimalize("-0.0012095473475870063"), // From the iconara/cql-rb test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x13*\xF8\xC4\xDF\xEB]o"),
decimalize("0.0012095473475870063"), // From the iconara/cql-rb test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x12\xF2\xD8\x02\xB6R\x7F\x99\xEE\x98#\x99\xA9V"),
decimalize("-1042342234234.123423435647768234"), // From the iconara/cql-rb test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\r\nJ\x04\"^\x91\x04\x8a\xb1\x18\xfe"),
decimalize("1243878957943.1234124191998"), // From the datastax/python-driver test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x06\xe5\xde]\x98Y"),
decimalize("-112233.441191"), // From the datastax/python-driver test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x14\x00\xfa\xce"),
decimalize("0.00000000000000064206"), // From the datastax/python-driver test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x14\xff\x052"),
decimalize("-0.00000000000000064206"), // From the datastax/python-driver test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\xff\xff\xff\x9c\x00\xfa\xce"),
inf.NewDec(64206, -100), // From the datastax/python-driver test suite
nil,
nil,
},
{
NativeType{proto: 5, typ: TypeDuration},
[]byte("\x89\xa2\xc3\xc2\x9a\xe0F\x91\x06"),
Duration{Months: 1233, Days: 123213, Nanoseconds: 2312323},
nil,
nil,
},
{
NativeType{proto: 5, typ: TypeDuration},
[]byte("\x89\xa1\xc3\xc2\x99\xe0F\x91\x05"),
Duration{Months: -1233, Days: -123213, Nanoseconds: -2312323},
nil,
nil,
},
{
NativeType{proto: 5, typ: TypeDuration},
[]byte("\x02\x04\x80\xe6"),
Duration{Months: 1, Days: 2, Nanoseconds: 115},
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeList},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte("\x00\x02\x00\x04\x00\x00\x00\x01\x00\x04\x00\x00\x00\x02"),
[]int{1, 2},
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeList},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte("\x00\x02\x00\x04\x00\x00\x00\x01\x00\x04\x00\x00\x00\x02"),
[2]int{1, 2},
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeSet},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte("\x00\x02\x00\x04\x00\x00\x00\x01\x00\x04\x00\x00\x00\x02"),
[]int{1, 2},
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeSet},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte{0, 0}, // encoding of a list should always include the size of the collection
[]int{},
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeMap},
Key: NativeType{proto: 2, typ: TypeVarchar},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte("\x00\x01\x00\x03foo\x00\x04\x00\x00\x00\x01"),
map[string]int{"foo": 1},
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeMap},
Key: NativeType{proto: 2, typ: TypeVarchar},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte{0, 0},
map[string]int{},
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeMap},
Key: NativeType{proto: 2, typ: TypeVarchar},
Elem: NativeType{proto: 2, typ: TypeBlob},
},
[]byte("\x00\x01\x00\x03foo\x00\x05\x01\x02\x03\x04\x05"),
map[string]interface{}{
"foo": []byte{0x01, 0x02, 0x03, 0x04, 0x05},
},
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeList},
Elem: NativeType{proto: 2, typ: TypeVarchar},
},
bytes.Join([][]byte{
[]byte("\x00\x01\xFF\xFF"),
bytes.Repeat([]byte("X"), math.MaxUint16)}, []byte("")),
[]string{strings.Repeat("X", math.MaxUint16)},
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeMap},
Key: NativeType{proto: 2, typ: TypeVarchar},
Elem: NativeType{proto: 2, typ: TypeVarchar},
},
bytes.Join([][]byte{
[]byte("\x00\x01\xFF\xFF"),
bytes.Repeat([]byte("X"), math.MaxUint16),
[]byte("\xFF\xFF"),
bytes.Repeat([]byte("Y"), math.MaxUint16)}, []byte("")),
map[string]string{
strings.Repeat("X", math.MaxUint16): strings.Repeat("Y", math.MaxUint16),
},
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\x7F\x00\x00\x01"),
net.ParseIP("127.0.0.1").To4(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\xFF\xFF\xFF\xFF"),
net.ParseIP("255.255.255.255").To4(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\x7F\x00\x00\x01"),
"127.0.0.1",
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\xFF\xFF\xFF\xFF"),
"255.255.255.255",
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\x21\xDA\x00\xd3\x00\x00\x2f\x3b\x02\xaa\x00\xff\xfe\x28\x9c\x5a"),
"21da:d3:0:2f3b:2aa:ff:fe28:9c5a",
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\xfe\x80\x00\x00\x00\x00\x00\x00\x02\x02\xb3\xff\xfe\x1e\x83\x29"),
"fe80::202:b3ff:fe1e:8329",
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\x21\xDA\x00\xd3\x00\x00\x2f\x3b\x02\xaa\x00\xff\xfe\x28\x9c\x5a"),
net.ParseIP("21da:d3:0:2f3b:2aa:ff:fe28:9c5a"),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\xfe\x80\x00\x00\x00\x00\x00\x00\x02\x02\xb3\xff\xfe\x1e\x83\x29"),
net.ParseIP("fe80::202:b3ff:fe1e:8329"),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBoolean},
[]byte("\x00"),
func() *bool {
b := false
return &b
}(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBoolean},
[]byte("\x01"),
func() *bool {
b := true
return &b
}(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBoolean},
[]byte(nil),
(*bool)(nil),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\x7F\x00\x00\x01"),
func() *net.IP {
ip := net.ParseIP("127.0.0.1").To4()
return &ip
}(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte(nil),
(*net.IP)(nil),
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeList},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte("\x00\x02\x00\x04\x00\x00\x00\x01\x00\x04\x00\x00\x00\x02"),
func() *[]int {
l := []int{1, 2}
return &l
}(),
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 3, typ: TypeList},
Elem: NativeType{proto: 3, typ: TypeInt},
},
[]byte("\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x02"),
func() *[]int {
l := []int{1, 2}
return &l
}(),
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeList},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte(nil),
(*[]int)(nil),
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeMap},
Key: NativeType{proto: 2, typ: TypeVarchar},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte("\x00\x01\x00\x03foo\x00\x04\x00\x00\x00\x01"),
func() *map[string]int {
m := map[string]int{"foo": 1}
return &m
}(),
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeMap},
Key: NativeType{proto: 2, typ: TypeVarchar},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte(nil),
(*map[string]int)(nil),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\x7f"),
127, // math.MaxInt8
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\x7f"),
"127", // math.MaxInt8
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\x01"),
int16(1),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
int16(-1),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
uint8(255),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
uint64(255),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
uint32(255),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
uint16(255),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
uint(255),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
AliasUint8(255),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
AliasUint64(255),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
AliasUint32(255),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
AliasUint16(255),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
AliasUint(255),
nil,
nil,
},
}
var unmarshalTests = []struct {
Info TypeInfo
Data []byte
Value interface{}
UnmarshalError error
}{
{
CollectionType{
NativeType: NativeType{proto: 3, typ: TypeList},
Elem: NativeType{proto: 3, typ: TypeInt},
},
[]byte("\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00"), // truncated data
func() *[]int {
l := []int{1, 2}
return &l
}(),
unmarshalErrorf("unmarshal list: unexpected eof"),
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeMap},
Key: NativeType{proto: 2, typ: TypeVarchar},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte("\x00\x01\x00\x03fo"),
map[string]int{"foo": 1},
unmarshalErrorf("unmarshal map: unexpected eof"),
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeMap},
Key: NativeType{proto: 2, typ: TypeVarchar},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte("\x00\x01\x00\x03foo\x00\x04\x00\x00"),
map[string]int{"foo": 1},
unmarshalErrorf("unmarshal map: unexpected eof"),
},
{
NativeType{proto: 5, typ: TypeDuration},
[]byte("\x89\xa2\xc3\xc2\x9a\xe0F\x91"),
Duration{},
unmarshalErrorf("failed to unmarshal duration into *gocql.Duration: failed to extract nanoseconds: data expect to have 9 bytes, but it has only 8"),
},
{
NativeType{proto: 5, typ: TypeDuration},
[]byte("\x89\xa2\xc3\xc2\x9a"),
Duration{},
unmarshalErrorf("failed to unmarshal duration into *gocql.Duration: failed to extract nanoseconds: unexpected eof"),
},
{
NativeType{proto: 5, typ: TypeDuration},
[]byte("\x89\xa2\xc3\xc2"),
Duration{},
unmarshalErrorf("failed to unmarshal duration into *gocql.Duration: failed to extract days: data expect to have 5 bytes, but it has only 4"),
},
{
NativeType{proto: 5, typ: TypeDuration},
[]byte("\x89\xa2"),
Duration{},
unmarshalErrorf("failed to unmarshal duration into *gocql.Duration: failed to extract days: unexpected eof"),
},
{
NativeType{proto: 5, typ: TypeDuration},
[]byte("\x89"),
Duration{},
unmarshalErrorf("failed to unmarshal duration into *gocql.Duration: failed to extract month: data expect to have 2 bytes, but it has only 1"),
},
}
func decimalize(s string) *inf.Dec {
i, _ := new(inf.Dec).SetString(s)
return i
}
func bigintize(s string) *big.Int {
i, _ := new(big.Int).SetString(s, 10)
return i
}
func TestMarshal_Encode(t *testing.T) {
for i, test := range marshalTests {
if test.MarshalError == nil {
data, err := Marshal(test.Info, test.Value)
if err != nil {
t.Errorf("marshalTest[%d]: %v", i, err)
continue
}
if !bytes.Equal(data, test.Data) {
t.Errorf("marshalTest[%d]: expected %q, got %q (%#v)", i, test.Data, data, test.Value)
}
} else {
if _, err := Marshal(test.Info, test.Value); err != test.MarshalError {
t.Errorf("unmarshalTest[%d] (%v=>%t): %#v returned error %#v, want %#v.", i, test.Info, test.Value, test.Value, err, test.MarshalError)
}
}
}
}
func TestMarshal_Decode(t *testing.T) {
for i, test := range marshalTests {
if test.UnmarshalError == nil {
v := reflect.New(reflect.TypeOf(test.Value))
err := Unmarshal(test.Info, test.Data, v.Interface())
if err != nil {
t.Errorf("unmarshalTest[%d] (%v=>%T): %v", i, test.Info, test.Value, err)
continue
}
if !reflect.DeepEqual(v.Elem().Interface(), test.Value) {
t.Errorf("unmarshalTest[%d] (%v=>%T): expected %#v, got %#v.", i, test.Info, test.Value, test.Value, v.Elem().Interface())
}
} else {
if err := Unmarshal(test.Info, test.Data, test.Value); err != test.UnmarshalError {
t.Errorf("unmarshalTest[%d] (%v=>%T): %#v returned error %#v, want %#v.", i, test.Info, test.Value, test.Value, err, test.UnmarshalError)
}
}
}
for i, test := range unmarshalTests {
v := reflect.New(reflect.TypeOf(test.Value))
if test.UnmarshalError == nil {
err := Unmarshal(test.Info, test.Data, v.Interface())
if err != nil {
t.Errorf("unmarshalTest[%d] (%v=>%T): %v", i, test.Info, test.Value, err)
continue
}
if !reflect.DeepEqual(v.Elem().Interface(), test.Value) {
t.Errorf("unmarshalTest[%d] (%v=>%T): expected %#v, got %#v.", i, test.Info, test.Value, test.Value, v.Elem().Interface())
}
} else {
if err := Unmarshal(test.Info, test.Data, v.Interface()); err != test.UnmarshalError {
t.Errorf("unmarshalTest[%d] (%v=>%T): %#v returned error %#v, want %#v.", i, test.Info, test.Value, test.Value, err, test.UnmarshalError)
}
}
}
}
func equalStringPointerSlice(leftList, rightList []*string) bool {
if len(leftList) != len(rightList) {
return false
}
for index := range leftList {
if !reflect.DeepEqual(rightList[index], leftList[index]) {
return false
}
}
return true
}
func TestMarshalList(t *testing.T) {
typeInfoV2 := CollectionType{
NativeType: NativeType{proto: 2, typ: TypeList},
Elem: NativeType{proto: 2, typ: TypeVarchar},
}
typeInfoV3 := CollectionType{
NativeType: NativeType{proto: 3, typ: TypeList},
Elem: NativeType{proto: 3, typ: TypeVarchar},
}
type tc struct {
typeInfo CollectionType
input []*string
expected []*string
}
valueA := "valueA"
valueB := "valueB"
valueEmpty := ""
testCases := []tc{
{
typeInfo: typeInfoV2,
input: []*string{&valueA},
expected: []*string{&valueA},
},
{
typeInfo: typeInfoV2,
input: []*string{&valueA, &valueB},
expected: []*string{&valueA, &valueB},
},
{
typeInfo: typeInfoV2,
input: []*string{&valueA, &valueEmpty, &valueB},
expected: []*string{&valueA, &valueEmpty, &valueB},
},
{
typeInfo: typeInfoV2,
input: []*string{&valueEmpty},
expected: []*string{&valueEmpty},
},
{
// nil values are marshalled to empty values for protocol < 3
typeInfo: typeInfoV2,
input: []*string{nil},
expected: []*string{&valueEmpty},
},
{
typeInfo: typeInfoV2,
input: []*string{&valueA, nil, &valueB},
expected: []*string{&valueA, &valueEmpty, &valueB},
},
{
typeInfo: typeInfoV3,
input: []*string{&valueEmpty},
expected: []*string{&valueEmpty},
},
{
typeInfo: typeInfoV3,
input: []*string{nil},
expected: []*string{nil},
},
{
typeInfo: typeInfoV3,
input: []*string{&valueA, nil, &valueB},
expected: []*string{&valueA, nil, &valueB},
},
}
listDatas := [][]byte{}
for _, c := range testCases {
listData, marshalErr := Marshal(c.typeInfo, c.input)
if nil != marshalErr {
t.Errorf("Error marshal %+v of type %+v: %s", c.input, c.typeInfo, marshalErr)
}
listDatas = append(listDatas, listData)
}
outputLists := [][]*string{}
var outputList []*string
for i, listData := range listDatas {
if unmarshalErr := Unmarshal(testCases[i].typeInfo, listData, &outputList); nil != unmarshalErr {
t.Error(unmarshalErr)
}
resultList := []interface{}{}
for i := range outputList {
if outputList[i] != nil {
resultList = append(resultList, *outputList[i])
} else {
resultList = append(resultList, nil)
}
}
outputLists = append(outputLists, outputList)
}
for index, c := range testCases {
outputList := outputLists[index]
if !equalStringPointerSlice(c.expected, outputList) {
t.Errorf("Lists %+v not equal to lists %+v, but should", c.expected, outputList)
}
}
}
type CustomString string
func (c CustomString) MarshalCQL(info TypeInfo) ([]byte, error) {
return []byte(strings.ToUpper(string(c))), nil
}
func (c *CustomString) UnmarshalCQL(info TypeInfo, data []byte) error {
*c = CustomString(strings.ToLower(string(data)))
return nil
}
type MyString string
var typeLookupTest = []struct {
TypeName string
ExpectedType Type
}{
{"AsciiType", TypeAscii},
{"LongType", TypeBigInt},
{"BytesType", TypeBlob},
{"BooleanType", TypeBoolean},
{"CounterColumnType", TypeCounter},
{"DecimalType", TypeDecimal},
{"DoubleType", TypeDouble},
{"FloatType", TypeFloat},
{"Int32Type", TypeInt},
{"DateType", TypeTimestamp},
{"TimestampType", TypeTimestamp},
{"UUIDType", TypeUUID},
{"UTF8Type", TypeVarchar},
{"IntegerType", TypeVarint},
{"TimeUUIDType", TypeTimeUUID},
{"InetAddressType", TypeInet},
{"MapType", TypeMap},
{"ListType", TypeList},
{"SetType", TypeSet},
{"unknown", TypeCustom},
{"ShortType", TypeSmallInt},
{"ByteType", TypeTinyInt},
}
func testType(t *testing.T, cassType string, expectedType Type) {
if computedType := getApacheCassandraType(apacheCassandraTypePrefix + cassType); computedType != expectedType {
t.Errorf("Cassandra custom type lookup for %s failed. Expected %s, got %s.", cassType, expectedType.String(), computedType.String())
}
}
func TestLookupCassType(t *testing.T) {
for _, lookupTest := range typeLookupTest {
testType(t, lookupTest.TypeName, lookupTest.ExpectedType)
}
}
type MyPointerMarshaler struct{}
func (m *MyPointerMarshaler) MarshalCQL(_ TypeInfo) ([]byte, error) {
return []byte{42}, nil
}
func TestMarshalPointer(t *testing.T) {
m := &MyPointerMarshaler{}
typ := NativeType{proto: 2, typ: TypeInt}
data, err := Marshal(typ, m)
if err != nil {
t.Errorf("Pointer marshaling failed. Error: %s", err)
}
if len(data) != 1 || data[0] != 42 {
t.Errorf("Pointer marshaling failed. Expected %+v, got %+v", []byte{42}, data)
}
}
func TestMarshalTuple(t *testing.T) {
info := TupleTypeInfo{
NativeType: NativeType{proto: 3, typ: TypeTuple},
Elems: []TypeInfo{
NativeType{proto: 3, typ: TypeVarchar},
NativeType{proto: 3, typ: TypeVarchar},
},
}
stringToPtr := func(s string) *string { return &s }
checkString := func(t *testing.T, exp string, got string) {
if got != exp {
t.Errorf("expected string to be %v, got %v", exp, got)
}
}
type tupleStruct struct {
A string
B *string
}
var (
s1 *string
s2 *string
)
testCases := []struct {
name string
expected []byte
value interface{}
checkValue interface{}
check func(*testing.T, interface{})
}{
{
name: "interface-slice:two-strings",
expected: []byte("\x00\x00\x00\x03foo\x00\x00\x00\x03bar"),
value: []interface{}{"foo", "bar"},
checkValue: []interface{}{&s1, &s2},
check: func(t *testing.T, v interface{}) {
checkString(t, "foo", *s1)
checkString(t, "bar", *s2)
},
},
{
name: "interface-slice:one-string-one-nil-string",
expected: []byte("\x00\x00\x00\x03foo\xff\xff\xff\xff"),
value: []interface{}{"foo", nil},
checkValue: []interface{}{&s1, &s2},
check: func(t *testing.T, v interface{}) {
checkString(t, "foo", *s1)
if s2 != nil {
t.Errorf("expected string to be nil, got %v", *s2)
}
},
},
{
name: "struct:two-strings",
expected: []byte("\x00\x00\x00\x03foo\x00\x00\x00\x03bar"),
value: tupleStruct{
A: "foo",
B: stringToPtr("bar"),
},
checkValue: &tupleStruct{},
check: func(t *testing.T, v interface{}) {
got := v.(*tupleStruct)
if got.A != "foo" {
t.Errorf("expected A string to be %v, got %v", "foo", got.A)
}
if got.B == nil {
t.Errorf("expected B string to be %v, got nil", "bar")
}
if *got.B != "bar" {
t.Errorf("expected B string to be %v, got %v", "bar", got.B)
}
},
},
{
name: "struct:one-string-one-nil-string",
expected: []byte("\x00\x00\x00\x03foo\xff\xff\xff\xff"),
value: tupleStruct{A: "foo", B: nil},
checkValue: &tupleStruct{},
check: func(t *testing.T, v interface{}) {
got := v.(*tupleStruct)
if got.A != "foo" {
t.Errorf("expected A string to be %v, got %v", "foo", got.A)
}
if got.B != nil {
t.Errorf("expected B string to be nil, got %v", *got.B)
}
},
},
{
name: "arrayslice:two-strings",
expected: []byte("\x00\x00\x00\x03foo\x00\x00\x00\x03bar"),
value: [2]*string{
stringToPtr("foo"),
stringToPtr("bar"),
},
checkValue: &[2]*string{},
check: func(t *testing.T, v interface{}) {
got := v.(*[2]*string)
checkString(t, "foo", *(got[0]))
checkString(t, "bar", *(got[1]))
},
},
{
name: "arrayslice:one-string-one-nil-string",
expected: []byte("\x00\x00\x00\x03foo\xff\xff\xff\xff"),
value: [2]*string{
stringToPtr("foo"),
nil,
},
checkValue: &[2]*string{},
check: func(t *testing.T, v interface{}) {
got := v.(*[2]*string)
checkString(t, "foo", *(got[0]))
if got[1] != nil {
t.Errorf("expected string to be nil, got %v", *got[1])
}
},
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
data, err := Marshal(info, tc.value)
if err != nil {
t.Errorf("marshalTest: %v", err)
return
}
if !bytes.Equal(data, tc.expected) {
t.Errorf("marshalTest: expected %x (%v), got %x (%v)",
tc.expected, decBigInt(tc.expected), data, decBigInt(data))
return
}
err = Unmarshal(info, data, tc.checkValue)
if err != nil {
t.Errorf("unmarshalTest: %v", err)
return
}
tc.check(t, tc.checkValue)
})
}
}
func TestUnmarshalTuple(t *testing.T) {
info := TupleTypeInfo{
NativeType: NativeType{proto: 3, typ: TypeTuple},
Elems: []TypeInfo{
NativeType{proto: 3, typ: TypeVarchar},
NativeType{proto: 3, typ: TypeVarchar},
},
}
// As per the CQL spec, a tuple is a sequence of "bytes" values.
// Here we encode a null value (length -1) and the "foo" string (length 3)
data := []byte("\xff\xff\xff\xff\x00\x00\x00\x03foo")
t.Run("struct-ptr", func(t *testing.T) {
var tmp struct {
A *string
B *string
}