pgx/pgtype/bytea_test.go

74 lines
2.3 KiB
Go

package pgtype_test
import (
"reflect"
"testing"
"github.com/jackc/pgx/pgtype"
"github.com/jackc/pgx/pgtype/testutil"
)
func TestByteaTranscode(t *testing.T) {
testutil.TestSuccessfulTranscode(t, "bytea", []interface{}{
pgtype.Bytea{Bytes: []byte{1, 2, 3}, Status: pgtype.Present},
pgtype.Bytea{Bytes: []byte{}, Status: pgtype.Present},
pgtype.Bytea{Bytes: nil, Status: pgtype.Null},
})
}
func TestByteaSet(t *testing.T) {
successfulTests := []struct {
source interface{}
result pgtype.Bytea
}{
{source: []byte{1, 2, 3}, result: pgtype.Bytea{Bytes: []byte{1, 2, 3}, Status: pgtype.Present}},
{source: []byte{}, result: pgtype.Bytea{Bytes: []byte{}, Status: pgtype.Present}},
{source: []byte(nil), result: pgtype.Bytea{Status: pgtype.Null}},
{source: _byteSlice{1, 2, 3}, result: pgtype.Bytea{Bytes: []byte{1, 2, 3}, Status: pgtype.Present}},
{source: _byteSlice(nil), result: pgtype.Bytea{Status: pgtype.Null}},
}
for i, tt := range successfulTests {
var r pgtype.Bytea
err := r.Set(tt.source)
if err != nil {
t.Errorf("%d: %v", i, err)
}
if !reflect.DeepEqual(r, tt.result) {
t.Errorf("%d: expected %v to convert to %v, but it was %v", i, tt.source, tt.result, r)
}
}
}
func TestByteaAssignTo(t *testing.T) {
var buf []byte
var _buf _byteSlice
var pbuf *[]byte
var _pbuf *_byteSlice
simpleTests := []struct {
src pgtype.Bytea
dst interface{}
expected interface{}
}{
{src: pgtype.Bytea{Bytes: []byte{1, 2, 3}, Status: pgtype.Present}, dst: &buf, expected: []byte{1, 2, 3}},
{src: pgtype.Bytea{Bytes: []byte{1, 2, 3}, Status: pgtype.Present}, dst: &_buf, expected: _byteSlice{1, 2, 3}},
{src: pgtype.Bytea{Bytes: []byte{1, 2, 3}, Status: pgtype.Present}, dst: &pbuf, expected: &[]byte{1, 2, 3}},
{src: pgtype.Bytea{Bytes: []byte{1, 2, 3}, Status: pgtype.Present}, dst: &_pbuf, expected: &_byteSlice{1, 2, 3}},
{src: pgtype.Bytea{Status: pgtype.Null}, dst: &pbuf, expected: ((*[]byte)(nil))},
{src: pgtype.Bytea{Status: pgtype.Null}, dst: &_pbuf, expected: ((*_byteSlice)(nil))},
}
for i, tt := range simpleTests {
err := tt.src.AssignTo(tt.dst)
if err != nil {
t.Errorf("%d: %v", i, err)
}
if dst := reflect.ValueOf(tt.dst).Elem().Interface(); !reflect.DeepEqual(dst, tt.expected) {
t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
}
}
}