pgx/value_transcoder_test.go

241 lines
6.7 KiB
Go

package pgx_test
import (
"testing"
"time"
)
func TestEncodeError(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
mustPrepare(t, conn, "testTranscode", "select $1::integer")
defer func() {
if err := conn.Deallocate("testTranscode"); err != nil {
t.Fatalf("Unable to deallocate prepared statement: %v", err)
}
}()
_, err := conn.Query("testTranscode", "wrong")
switch {
case err == nil:
t.Error("Expected transcode error to return error, but it didn't")
case err.Error() == "Expected integer representable in int32, received string wrong":
// Correct behavior
default:
t.Errorf("Expected transcode error, received %v", err)
}
}
// TODO
func TestNilTranscode(t *testing.T) {
// t.Parallel()
// conn := mustConnect(t, *defaultConnConfig)
// defer closeConn(t, conn)
// var inputNil interface{}
// inputNil = nil
// result := mustSelectValue(t, conn, "select $1::integer", inputNil)
// if result != nil {
// t.Errorf("Did not transcode nil successfully for normal query: %v", result)
// }
// mustPrepare(t, conn, "testTranscode", "select $1::integer")
// defer func() {
// if err := conn.Deallocate("testTranscode"); err != nil {
// t.Fatalf("Unable to deallocate prepared statement: %v", err)
// }
// }()
// result = mustSelectValue(t, conn, "testTranscode", inputNil)
// if result != nil {
// t.Errorf("Did not transcode nil successfully for prepared query: %v", result)
// }
}
func TestDateTranscode(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
mustPrepare(t, conn, "testTranscode", "select $1::date")
defer func() {
if err := conn.Deallocate("testTranscode"); err != nil {
t.Fatalf("Unable to deallocate prepared statement: %v", err)
}
}()
dates := []time.Time{
time.Date(1990, 1, 1, 0, 0, 0, 0, time.Local),
time.Date(1999, 12, 31, 0, 0, 0, 0, time.Local),
time.Date(2000, 1, 1, 0, 0, 0, 0, time.Local),
time.Date(2001, 1, 2, 0, 0, 0, 0, time.Local),
time.Date(2004, 2, 29, 0, 0, 0, 0, time.Local),
time.Date(2013, 7, 4, 0, 0, 0, 0, time.Local),
time.Date(2013, 12, 25, 0, 0, 0, 0, time.Local),
}
for _, actualDate := range dates {
var d time.Time
// Test text format
err := conn.QueryRow("select $1::date", actualDate).Scan(&d)
if err != nil {
t.Fatalf("Unexpected failure on QueryRow Scan: %v", err)
}
if !actualDate.Equal(d) {
t.Errorf("Did not transcode date successfully: %v is not %v", d, actualDate)
}
// Test binary format
err = conn.QueryRow("testTranscode", actualDate).Scan(&d)
if err != nil {
t.Fatalf("Unexpected failure on QueryRow Scan: %v", err)
}
if !actualDate.Equal(d) {
t.Errorf("Did not transcode date successfully: %v is not %v", d, actualDate)
}
}
}
func TestTimestampTzTranscode(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
inputTime := time.Date(2013, 1, 2, 3, 4, 5, 6000, time.Local)
var outputTime time.Time
err := conn.QueryRow("select $1::timestamptz", inputTime).Scan(&outputTime)
if err != nil {
t.Fatalf("QueryRow Scan failed: %v", err)
}
if !inputTime.Equal(outputTime) {
t.Errorf("Did not transcode time successfully: %v is not %v", outputTime, inputTime)
}
mustPrepare(t, conn, "testTranscode", "select $1::timestamptz")
defer func() {
if err := conn.Deallocate("testTranscode"); err != nil {
t.Fatalf("Unable to deallocate prepared statement: %v", err)
}
}()
err = conn.QueryRow("testTranscode", inputTime).Scan(&outputTime)
if err != nil {
t.Fatalf("QueryRow Scan failed: %v", err)
}
if !inputTime.Equal(outputTime) {
t.Errorf("Did not transcode time successfully: %v is not %v", outputTime, inputTime)
}
}
// func TestInt2SliceTranscode(t *testing.T) {
// t.Parallel()
// testEqual := func(a, b []int16) {
// if len(a) != len(b) {
// t.Errorf("Did not transcode []int16 successfully: %v is not %v", a, b)
// }
// for i := range a {
// if a[i] != b[i] {
// t.Errorf("Did not transcode []int16 successfully: %v is not %v", a, b)
// }
// }
// }
// conn := mustConnect(t, *defaultConnConfig)
// defer closeConn(t, conn)
// inputNumbers := []int16{1, 2, 3, 4, 5, 6, 7, 8}
// var outputNumbers []int16
// outputNumbers = mustSelectValue(t, conn, "select $1::int2[]", inputNumbers).([]int16)
// testEqual(inputNumbers, outputNumbers)
// mustPrepare(t, conn, "testTranscode", "select $1::int2[]")
// defer func() {
// if err := conn.Deallocate("testTranscode"); err != nil {
// t.Fatalf("Unable to deallocate prepared statement: %v", err)
// }
// }()
// outputNumbers = mustSelectValue(t, conn, "testTranscode", inputNumbers).([]int16)
// testEqual(inputNumbers, outputNumbers)
// }
// func TestInt4SliceTranscode(t *testing.T) {
// t.Parallel()
// testEqual := func(a, b []int32) {
// if len(a) != len(b) {
// t.Errorf("Did not transcode []int32 successfully: %v is not %v", a, b)
// }
// for i := range a {
// if a[i] != b[i] {
// t.Errorf("Did not transcode []int32 successfully: %v is not %v", a, b)
// }
// }
// }
// conn := mustConnect(t, *defaultConnConfig)
// defer closeConn(t, conn)
// inputNumbers := []int32{1, 2, 3, 4, 5, 6, 7, 8}
// var outputNumbers []int32
// outputNumbers = mustSelectValue(t, conn, "select $1::int4[]", inputNumbers).([]int32)
// testEqual(inputNumbers, outputNumbers)
// mustPrepare(t, conn, "testTranscode", "select $1::int4[]")
// defer func() {
// if err := conn.Deallocate("testTranscode"); err != nil {
// t.Fatalf("Unable to deallocate prepared statement: %v", err)
// }
// }()
// outputNumbers = mustSelectValue(t, conn, "testTranscode", inputNumbers).([]int32)
// testEqual(inputNumbers, outputNumbers)
// }
// func TestInt8SliceTranscode(t *testing.T) {
// t.Parallel()
// testEqual := func(a, b []int64) {
// if len(a) != len(b) {
// t.Errorf("Did not transcode []int64 successfully: %v is not %v", a, b)
// }
// for i := range a {
// if a[i] != b[i] {
// t.Errorf("Did not transcode []int64 successfully: %v is not %v", a, b)
// }
// }
// }
// conn := mustConnect(t, *defaultConnConfig)
// defer closeConn(t, conn)
// inputNumbers := []int64{1, 2, 3, 4, 5, 6, 7, 8}
// var outputNumbers []int64
// outputNumbers = mustSelectValue(t, conn, "select $1::int8[]", inputNumbers).([]int64)
// testEqual(inputNumbers, outputNumbers)
// mustPrepare(t, conn, "testTranscode", "select $1::int8[]")
// defer func() {
// if err := conn.Deallocate("testTranscode"); err != nil {
// t.Fatalf("Unable to deallocate prepared statement: %v", err)
// }
// }()
// outputNumbers = mustSelectValue(t, conn, "testTranscode", inputNumbers).([]int64)
// testEqual(inputNumbers, outputNumbers)
// }