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// Copyright 2021 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package uuid
import (
"bytes"
"encoding/json"
"testing"
)
func TestNullUUIDScan(t *testing.T) {
var u UUID
var nu NullUUID
uNilErr := u.Scan(nil)
nuNilErr := nu.Scan(nil)
if uNilErr != nil &&
nuNilErr != nil &&
uNilErr.Error() != nuNilErr.Error() {
t.Errorf("expected errors to be equal, got %s, %s", uNilErr, nuNilErr)
}
uInvalidStringErr := u.Scan("test")
nuInvalidStringErr := nu.Scan("test")
if uInvalidStringErr != nil &&
nuInvalidStringErr != nil &&
uInvalidStringErr.Error() != nuInvalidStringErr.Error() {
t.Errorf("expected errors to be equal, got %s, %s", uInvalidStringErr, nuInvalidStringErr)
}
valid := "12345678-abcd-1234-abcd-0123456789ab"
uValidErr := u.Scan(valid)
nuValidErr := nu.Scan(valid)
if uValidErr != nuValidErr {
t.Errorf("expected errors to be equal, got %s, %s", uValidErr, nuValidErr)
}
}
func TestNullUUIDValue(t *testing.T) {
var u UUID
var nu NullUUID
nuValue, nuErr := nu.Value()
if nuErr != nil {
t.Errorf("expected nil err, got err %s", nuErr)
}
if nuValue != nil {
t.Errorf("expected nil value, got non-nil %s", nuValue)
}
u = MustParse("12345678-abcd-1234-abcd-0123456789ab")
nu = NullUUID{
UUID: MustParse("12345678-abcd-1234-abcd-0123456789ab"),
Valid: true,
}
uValue, uErr := u.Value()
nuValue, nuErr = nu.Value()
if uErr != nil {
t.Errorf("expected nil err, got err %s", uErr)
}
if nuErr != nil {
t.Errorf("expected nil err, got err %s", nuErr)
}
if uValue != nuValue {
t.Errorf("expected uuid %s and nulluuid %s to be equal ", uValue, nuValue)
}
}
func TestNullUUIDMarshalText(t *testing.T) {
tests := []struct {
nullUUID NullUUID
}{
{
nullUUID: NullUUID{},
},
{
nullUUID: NullUUID{
UUID: MustParse("12345678-abcd-1234-abcd-0123456789ab"),
Valid: true,
},
},
}
for _, test := range tests {
var uText []byte
var uErr error
nuText, nuErr := test.nullUUID.MarshalText()
if test.nullUUID.Valid {
uText, uErr = test.nullUUID.UUID.MarshalText()
} else {
uText = []byte("null")
}
if nuErr != uErr {
t.Errorf("expected error %e, got %e", nuErr, uErr)
}
if !bytes.Equal(nuText, uText) {
t.Errorf("expected text data %s, got %s", string(nuText), string(uText))
}
}
}
func TestNullUUIDUnmarshalText(t *testing.T) {
tests := []struct {
nullUUID NullUUID
}{
{
nullUUID: NullUUID{},
},
{
nullUUID: NullUUID{
UUID: MustParse("12345678-abcd-1234-abcd-0123456789ab"),
Valid: true,
},
},
}
for _, test := range tests {
var uText []byte
var uErr error
nuText, nuErr := test.nullUUID.MarshalText()
if test.nullUUID.Valid {
uText, uErr = test.nullUUID.UUID.MarshalText()
} else {
uText = []byte("null")
}
if nuErr != uErr {
t.Errorf("expected error %e, got %e", nuErr, uErr)
}
if !bytes.Equal(nuText, uText) {
t.Errorf("expected text data %s, got %s", string(nuText), string(uText))
}
}
}
func TestNullUUIDMarshalBinary(t *testing.T) {
tests := []struct {
nullUUID NullUUID
}{
{
nullUUID: NullUUID{},
},
{
nullUUID: NullUUID{
UUID: MustParse("12345678-abcd-1234-abcd-0123456789ab"),
Valid: true,
},
},
}
for _, test := range tests {
var uBinary []byte
var uErr error
nuBinary, nuErr := test.nullUUID.MarshalBinary()
if test.nullUUID.Valid {
uBinary, uErr = test.nullUUID.UUID.MarshalBinary()
} else {
uBinary = []byte(nil)
}
if nuErr != uErr {
t.Errorf("expected error %e, got %e", nuErr, uErr)
}
if !bytes.Equal(nuBinary, uBinary) {
t.Errorf("expected binary data %s, got %s", string(nuBinary), string(uBinary))
}
}
}
func TestNullUUIDMarshalJSON(t *testing.T) {
jsonNull, _ := json.Marshal(nil)
jsonUUID, _ := json.Marshal(MustParse("12345678-abcd-1234-abcd-0123456789ab"))
tests := []struct {
nullUUID NullUUID
expected []byte
expectedErr error
}{
{
nullUUID: NullUUID{},
expected: jsonNull,
expectedErr: nil,
},
{
nullUUID: NullUUID{
UUID: MustParse(string(jsonUUID)),
Valid: true,
},
expected: []byte(`"12345678-abcd-1234-abcd-0123456789ab"`),
expectedErr: nil,
},
}
for _, test := range tests {
data, err := json.Marshal(&test.nullUUID)
if err != test.expectedErr {
t.Errorf("expected error %e, got %e", test.expectedErr, err)
}
if !bytes.Equal(data, test.expected) {
t.Errorf("expected json data %s, got %s", string(test.expected), string(data))
}
}
}
func TestNullUUIDUnmarshalJSON(t *testing.T) {
jsonNull, _ := json.Marshal(nil)
jsonUUID, _ := json.Marshal(MustParse("12345678-abcd-1234-abcd-0123456789ab"))
var nu NullUUID
err := json.Unmarshal(jsonNull, &nu)
if err != nil || nu.Valid {
t.Errorf("expected nil when unmarshaling null, got %s", err)
}
err = json.Unmarshal(jsonUUID, &nu)
if err != nil || !nu.Valid {
t.Errorf("expected nil when unmarshaling null, got %s", err)
}
}
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