pgx/values_test.go

1100 lines
33 KiB
Go

package pgx_test
import (
"bytes"
"net"
"reflect"
"strings"
"testing"
"time"
"github.com/jackc/pgx"
)
func TestDateTranscode(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
dates := []time.Time{
time.Date(1, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(1000, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(1600, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(1700, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(1800, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(1900, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(1990, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(1999, 12, 31, 0, 0, 0, 0, time.UTC),
time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(2001, 1, 2, 0, 0, 0, 0, time.UTC),
time.Date(2004, 2, 29, 0, 0, 0, 0, time.UTC),
time.Date(2013, 7, 4, 0, 0, 0, 0, time.UTC),
time.Date(2013, 12, 25, 0, 0, 0, 0, time.UTC),
time.Date(2029, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(2081, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(2096, 2, 29, 0, 0, 0, 0, time.UTC),
time.Date(2550, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(9999, 12, 31, 0, 0, 0, 0, time.UTC),
}
for _, actualDate := range dates {
var d time.Time
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)
}
}
}
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)
}
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)
}
}
func TestJSONAndJSONBTranscode(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
for _, oid := range []pgx.Oid{pgx.JsonOid, pgx.JsonbOid} {
if _, ok := conn.PgTypes[oid]; !ok {
return // No JSON/JSONB type -- must be running against old PostgreSQL
}
for _, format := range []int16{pgx.TextFormatCode, pgx.BinaryFormatCode} {
pgtype := conn.PgTypes[oid]
pgtype.DefaultFormat = format
conn.PgTypes[oid] = pgtype
typename := conn.PgTypes[oid].Name
testJSONString(t, conn, typename, format)
testJSONStringPointer(t, conn, typename, format)
testJSONSingleLevelStringMap(t, conn, typename, format)
testJSONNestedMap(t, conn, typename, format)
testJSONStringArray(t, conn, typename, format)
testJSONInt64Array(t, conn, typename, format)
testJSONInt16ArrayFailureDueToOverflow(t, conn, typename, format)
testJSONStruct(t, conn, typename, format)
}
}
}
func testJSONString(t *testing.T, conn *pgx.Conn, typename string, format int16) {
input := `{"key": "value"}`
expectedOutput := map[string]string{"key": "value"}
var output map[string]string
err := conn.QueryRow("select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s %d: QueryRow Scan failed: %v", typename, format, err)
return
}
if !reflect.DeepEqual(expectedOutput, output) {
t.Errorf("%s %d: Did not transcode map[string]string successfully: %v is not %v", typename, format, expectedOutput, output)
return
}
}
func testJSONStringPointer(t *testing.T, conn *pgx.Conn, typename string, format int16) {
input := `{"key": "value"}`
expectedOutput := map[string]string{"key": "value"}
var output map[string]string
err := conn.QueryRow("select $1::"+typename, &input).Scan(&output)
if err != nil {
t.Errorf("%s %d: QueryRow Scan failed: %v", typename, format, err)
return
}
if !reflect.DeepEqual(expectedOutput, output) {
t.Errorf("%s %d: Did not transcode map[string]string successfully: %v is not %v", typename, format, expectedOutput, output)
return
}
}
func testJSONSingleLevelStringMap(t *testing.T, conn *pgx.Conn, typename string, format int16) {
input := map[string]string{"key": "value"}
var output map[string]string
err := conn.QueryRow("select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s %d: QueryRow Scan failed: %v", typename, format, err)
return
}
if !reflect.DeepEqual(input, output) {
t.Errorf("%s %d: Did not transcode map[string]string successfully: %v is not %v", typename, format, input, output)
return
}
}
func testJSONNestedMap(t *testing.T, conn *pgx.Conn, typename string, format int16) {
input := map[string]interface{}{
"name": "Uncanny",
"stats": map[string]interface{}{"hp": float64(107), "maxhp": float64(150)},
"inventory": []interface{}{"phone", "key"},
}
var output map[string]interface{}
err := conn.QueryRow("select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s %d: QueryRow Scan failed: %v", typename, format, err)
return
}
if !reflect.DeepEqual(input, output) {
t.Errorf("%s %d: Did not transcode map[string]interface{} successfully: %v is not %v", typename, format, input, output)
return
}
}
func testJSONStringArray(t *testing.T, conn *pgx.Conn, typename string, format int16) {
input := []string{"foo", "bar", "baz"}
var output []string
err := conn.QueryRow("select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s %d: QueryRow Scan failed: %v", typename, format, err)
}
if !reflect.DeepEqual(input, output) {
t.Errorf("%s %d: Did not transcode []string successfully: %v is not %v", typename, format, input, output)
}
}
func testJSONInt64Array(t *testing.T, conn *pgx.Conn, typename string, format int16) {
input := []int64{1, 2, 234432}
var output []int64
err := conn.QueryRow("select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s %d: QueryRow Scan failed: %v", typename, format, err)
}
if !reflect.DeepEqual(input, output) {
t.Errorf("%s %d: Did not transcode []int64 successfully: %v is not %v", typename, format, input, output)
}
}
func testJSONInt16ArrayFailureDueToOverflow(t *testing.T, conn *pgx.Conn, typename string, format int16) {
input := []int{1, 2, 234432}
var output []int16
err := conn.QueryRow("select $1::"+typename, input).Scan(&output)
if err == nil || err.Error() != "can't scan into dest[0]: json: cannot unmarshal number 234432 into Go value of type int16" {
t.Errorf("%s %d: Expected *json.UnmarkalTypeError, but got %v", typename, format, err)
}
}
func testJSONStruct(t *testing.T, conn *pgx.Conn, typename string, format int16) {
type person struct {
Name string `json:"name"`
Age int `json:"age"`
}
input := person{
Name: "John",
Age: 42,
}
var output person
err := conn.QueryRow("select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s %d: QueryRow Scan failed: %v", typename, format, err)
}
if !reflect.DeepEqual(input, output) {
t.Errorf("%s %d: Did not transcode struct successfully: %v is not %v", typename, format, input, output)
}
}
func mustParseCidr(t *testing.T, s string) *net.IPNet {
_, ipnet, err := net.ParseCIDR(s)
if err != nil {
t.Fatal(err)
}
return ipnet
}
func TestStringToNotTextTypeTranscode(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
input := "01086ee0-4963-4e35-9116-30c173a8d0bd"
var output string
err := conn.QueryRow("select $1::uuid", input).Scan(&output)
if err != nil {
t.Fatal(err)
}
if input != output {
t.Errorf("uuid: Did not transcode string successfully: %s is not %s", input, output)
}
err = conn.QueryRow("select $1::uuid", &input).Scan(&output)
if err != nil {
t.Fatal(err)
}
if input != output {
t.Errorf("uuid: Did not transcode pointer to string successfully: %s is not %s", input, output)
}
}
func TestInetCidrTranscodeIPNet(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
tests := []struct {
sql string
value *net.IPNet
}{
{"select $1::inet", mustParseCidr(t, "0.0.0.0/32")},
{"select $1::inet", mustParseCidr(t, "127.0.0.1/32")},
{"select $1::inet", mustParseCidr(t, "12.34.56.0/32")},
{"select $1::inet", mustParseCidr(t, "192.168.1.0/24")},
{"select $1::inet", mustParseCidr(t, "255.0.0.0/8")},
{"select $1::inet", mustParseCidr(t, "255.255.255.255/32")},
{"select $1::inet", mustParseCidr(t, "::/128")},
{"select $1::inet", mustParseCidr(t, "::/0")},
{"select $1::inet", mustParseCidr(t, "::1/128")},
{"select $1::inet", mustParseCidr(t, "2607:f8b0:4009:80b::200e/128")},
{"select $1::cidr", mustParseCidr(t, "0.0.0.0/32")},
{"select $1::cidr", mustParseCidr(t, "127.0.0.1/32")},
{"select $1::cidr", mustParseCidr(t, "12.34.56.0/32")},
{"select $1::cidr", mustParseCidr(t, "192.168.1.0/24")},
{"select $1::cidr", mustParseCidr(t, "255.0.0.0/8")},
{"select $1::cidr", mustParseCidr(t, "255.255.255.255/32")},
{"select $1::cidr", mustParseCidr(t, "::/128")},
{"select $1::cidr", mustParseCidr(t, "::/0")},
{"select $1::cidr", mustParseCidr(t, "::1/128")},
{"select $1::cidr", mustParseCidr(t, "2607:f8b0:4009:80b::200e/128")},
}
for i, tt := range tests {
var actual net.IPNet
err := conn.QueryRow(tt.sql, tt.value).Scan(&actual)
if err != nil {
t.Errorf("%d. Unexpected failure: %v (sql -> %v, value -> %v)", i, err, tt.sql, tt.value)
continue
}
if actual.String() != tt.value.String() {
t.Errorf("%d. Expected %v, got %v (sql -> %v)", i, tt.value, actual, tt.sql)
}
ensureConnValid(t, conn)
}
}
func TestInetCidrTranscodeIP(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
tests := []struct {
sql string
value net.IP
}{
{"select $1::inet", net.ParseIP("0.0.0.0")},
{"select $1::inet", net.ParseIP("127.0.0.1")},
{"select $1::inet", net.ParseIP("12.34.56.0")},
{"select $1::inet", net.ParseIP("255.255.255.255")},
{"select $1::inet", net.ParseIP("::1")},
{"select $1::inet", net.ParseIP("2607:f8b0:4009:80b::200e")},
{"select $1::cidr", net.ParseIP("0.0.0.0")},
{"select $1::cidr", net.ParseIP("127.0.0.1")},
{"select $1::cidr", net.ParseIP("12.34.56.0")},
{"select $1::cidr", net.ParseIP("255.255.255.255")},
{"select $1::cidr", net.ParseIP("::1")},
{"select $1::cidr", net.ParseIP("2607:f8b0:4009:80b::200e")},
}
for i, tt := range tests {
var actual net.IP
err := conn.QueryRow(tt.sql, tt.value).Scan(&actual)
if err != nil {
t.Errorf("%d. Unexpected failure: %v (sql -> %v, value -> %v)", i, err, tt.sql, tt.value)
continue
}
if !actual.Equal(tt.value) {
t.Errorf("%d. Expected %v, got %v (sql -> %v)", i, tt.value, actual, tt.sql)
}
ensureConnValid(t, conn)
}
failTests := []struct {
sql string
value *net.IPNet
}{
{"select $1::inet", mustParseCidr(t, "192.168.1.0/24")},
{"select $1::cidr", mustParseCidr(t, "192.168.1.0/24")},
}
for i, tt := range failTests {
var actual net.IP
err := conn.QueryRow(tt.sql, tt.value).Scan(&actual)
if err == nil {
t.Errorf("%d. Expected failure but got none", i)
continue
}
ensureConnValid(t, conn)
}
}
func TestInetCidrArrayTranscodeIPNet(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
tests := []struct {
sql string
value []*net.IPNet
}{
{
"select $1::inet[]",
[]*net.IPNet{
mustParseCidr(t, "0.0.0.0/32"),
mustParseCidr(t, "127.0.0.1/32"),
mustParseCidr(t, "12.34.56.0/32"),
mustParseCidr(t, "192.168.1.0/24"),
mustParseCidr(t, "255.0.0.0/8"),
mustParseCidr(t, "255.255.255.255/32"),
mustParseCidr(t, "::/128"),
mustParseCidr(t, "::/0"),
mustParseCidr(t, "::1/128"),
mustParseCidr(t, "2607:f8b0:4009:80b::200e/128"),
},
},
{
"select $1::cidr[]",
[]*net.IPNet{
mustParseCidr(t, "0.0.0.0/32"),
mustParseCidr(t, "127.0.0.1/32"),
mustParseCidr(t, "12.34.56.0/32"),
mustParseCidr(t, "192.168.1.0/24"),
mustParseCidr(t, "255.0.0.0/8"),
mustParseCidr(t, "255.255.255.255/32"),
mustParseCidr(t, "::/128"),
mustParseCidr(t, "::/0"),
mustParseCidr(t, "::1/128"),
mustParseCidr(t, "2607:f8b0:4009:80b::200e/128"),
},
},
}
for i, tt := range tests {
var actual []*net.IPNet
err := conn.QueryRow(tt.sql, tt.value).Scan(&actual)
if err != nil {
t.Errorf("%d. Unexpected failure: %v (sql -> %v, value -> %v)", i, err, tt.sql, tt.value)
continue
}
if !reflect.DeepEqual(actual, tt.value) {
t.Errorf("%d. Expected %v, got %v (sql -> %v)", i, tt.value, actual, tt.sql)
}
ensureConnValid(t, conn)
}
}
func TestInetCidrArrayTranscodeIP(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
tests := []struct {
sql string
value []net.IP
}{
{
"select $1::inet[]",
[]net.IP{
net.ParseIP("0.0.0.0"),
net.ParseIP("127.0.0.1"),
net.ParseIP("12.34.56.0"),
net.ParseIP("255.255.255.255"),
net.ParseIP("2607:f8b0:4009:80b::200e"),
},
},
{
"select $1::cidr[]",
[]net.IP{
net.ParseIP("0.0.0.0"),
net.ParseIP("127.0.0.1"),
net.ParseIP("12.34.56.0"),
net.ParseIP("255.255.255.255"),
net.ParseIP("2607:f8b0:4009:80b::200e"),
},
},
}
for i, tt := range tests {
var actual []net.IP
err := conn.QueryRow(tt.sql, tt.value).Scan(&actual)
if err != nil {
t.Errorf("%d. Unexpected failure: %v (sql -> %v, value -> %v)", i, err, tt.sql, tt.value)
continue
}
if !reflect.DeepEqual(actual, tt.value) {
t.Errorf("%d. Expected %v, got %v (sql -> %v)", i, tt.value, actual, tt.sql)
}
ensureConnValid(t, conn)
}
failTests := []struct {
sql string
value []*net.IPNet
}{
{
"select $1::inet[]",
[]*net.IPNet{
mustParseCidr(t, "12.34.56.0/32"),
mustParseCidr(t, "192.168.1.0/24"),
},
},
{
"select $1::cidr[]",
[]*net.IPNet{
mustParseCidr(t, "12.34.56.0/32"),
mustParseCidr(t, "192.168.1.0/24"),
},
},
}
for i, tt := range failTests {
var actual []net.IP
err := conn.QueryRow(tt.sql, tt.value).Scan(&actual)
if err == nil {
t.Errorf("%d. Expected failure but got none", i)
continue
}
ensureConnValid(t, conn)
}
}
func TestInetCidrTranscodeWithJustIP(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
tests := []struct {
sql string
value string
}{
{"select $1::inet", "0.0.0.0/32"},
{"select $1::inet", "127.0.0.1/32"},
{"select $1::inet", "12.34.56.0/32"},
{"select $1::inet", "255.255.255.255/32"},
{"select $1::inet", "::/128"},
{"select $1::inet", "2607:f8b0:4009:80b::200e/128"},
{"select $1::cidr", "0.0.0.0/32"},
{"select $1::cidr", "127.0.0.1/32"},
{"select $1::cidr", "12.34.56.0/32"},
{"select $1::cidr", "255.255.255.255/32"},
{"select $1::cidr", "::/128"},
{"select $1::cidr", "2607:f8b0:4009:80b::200e/128"},
}
for i, tt := range tests {
expected := mustParseCidr(t, tt.value)
var actual net.IPNet
err := conn.QueryRow(tt.sql, expected.IP).Scan(&actual)
if err != nil {
t.Errorf("%d. Unexpected failure: %v (sql -> %v, value -> %v)", i, err, tt.sql, tt.value)
continue
}
if actual.String() != expected.String() {
t.Errorf("%d. Expected %v, got %v (sql -> %v)", i, tt.value, actual, tt.sql)
}
ensureConnValid(t, conn)
}
}
func TestNullX(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
type allTypes struct {
s pgx.NullString
i16 pgx.NullInt16
i32 pgx.NullInt32
i64 pgx.NullInt64
f32 pgx.NullFloat32
f64 pgx.NullFloat64
b pgx.NullBool
t pgx.NullTime
}
var actual, zero allTypes
tests := []struct {
sql string
queryArgs []interface{}
scanArgs []interface{}
expected allTypes
}{
{"select $1::text", []interface{}{pgx.NullString{String: "foo", Valid: true}}, []interface{}{&actual.s}, allTypes{s: pgx.NullString{String: "foo", Valid: true}}},
{"select $1::text", []interface{}{pgx.NullString{String: "foo", Valid: false}}, []interface{}{&actual.s}, allTypes{s: pgx.NullString{String: "", Valid: false}}},
{"select $1::int2", []interface{}{pgx.NullInt16{Int16: 1, Valid: true}}, []interface{}{&actual.i16}, allTypes{i16: pgx.NullInt16{Int16: 1, Valid: true}}},
{"select $1::int2", []interface{}{pgx.NullInt16{Int16: 1, Valid: false}}, []interface{}{&actual.i16}, allTypes{i16: pgx.NullInt16{Int16: 0, Valid: false}}},
{"select $1::int4", []interface{}{pgx.NullInt32{Int32: 1, Valid: true}}, []interface{}{&actual.i32}, allTypes{i32: pgx.NullInt32{Int32: 1, Valid: true}}},
{"select $1::int4", []interface{}{pgx.NullInt32{Int32: 1, Valid: false}}, []interface{}{&actual.i32}, allTypes{i32: pgx.NullInt32{Int32: 0, Valid: false}}},
{"select $1::int8", []interface{}{pgx.NullInt64{Int64: 1, Valid: true}}, []interface{}{&actual.i64}, allTypes{i64: pgx.NullInt64{Int64: 1, Valid: true}}},
{"select $1::int8", []interface{}{pgx.NullInt64{Int64: 1, Valid: false}}, []interface{}{&actual.i64}, allTypes{i64: pgx.NullInt64{Int64: 0, Valid: false}}},
{"select $1::float4", []interface{}{pgx.NullFloat32{Float32: 1.23, Valid: true}}, []interface{}{&actual.f32}, allTypes{f32: pgx.NullFloat32{Float32: 1.23, Valid: true}}},
{"select $1::float4", []interface{}{pgx.NullFloat32{Float32: 1.23, Valid: false}}, []interface{}{&actual.f32}, allTypes{f32: pgx.NullFloat32{Float32: 0, Valid: false}}},
{"select $1::float8", []interface{}{pgx.NullFloat64{Float64: 1.23, Valid: true}}, []interface{}{&actual.f64}, allTypes{f64: pgx.NullFloat64{Float64: 1.23, Valid: true}}},
{"select $1::float8", []interface{}{pgx.NullFloat64{Float64: 1.23, Valid: false}}, []interface{}{&actual.f64}, allTypes{f64: pgx.NullFloat64{Float64: 0, Valid: false}}},
{"select $1::bool", []interface{}{pgx.NullBool{Bool: true, Valid: true}}, []interface{}{&actual.b}, allTypes{b: pgx.NullBool{Bool: true, Valid: true}}},
{"select $1::bool", []interface{}{pgx.NullBool{Bool: true, Valid: false}}, []interface{}{&actual.b}, allTypes{b: pgx.NullBool{Bool: false, Valid: false}}},
{"select $1::timestamptz", []interface{}{pgx.NullTime{Time: time.Unix(123, 5000), Valid: true}}, []interface{}{&actual.t}, allTypes{t: pgx.NullTime{Time: time.Unix(123, 5000), Valid: true}}},
{"select $1::timestamptz", []interface{}{pgx.NullTime{Time: time.Unix(123, 5000), Valid: false}}, []interface{}{&actual.t}, allTypes{t: pgx.NullTime{Time: time.Time{}, Valid: false}}},
{"select $1::timestamp", []interface{}{pgx.NullTime{Time: time.Unix(123, 5000), Valid: true}}, []interface{}{&actual.t}, allTypes{t: pgx.NullTime{Time: time.Unix(123, 5000), Valid: true}}},
{"select $1::timestamp", []interface{}{pgx.NullTime{Time: time.Unix(123, 5000), Valid: false}}, []interface{}{&actual.t}, allTypes{t: pgx.NullTime{Time: time.Time{}, Valid: false}}},
{"select $1::date", []interface{}{pgx.NullTime{Time: time.Date(1990, 1, 1, 0, 0, 0, 0, time.UTC), Valid: true}}, []interface{}{&actual.t}, allTypes{t: pgx.NullTime{Time: time.Date(1990, 1, 1, 0, 0, 0, 0, time.UTC), Valid: true}}},
{"select $1::date", []interface{}{pgx.NullTime{Time: time.Date(1990, 1, 1, 0, 0, 0, 0, time.UTC), Valid: false}}, []interface{}{&actual.t}, allTypes{t: pgx.NullTime{Time: time.Time{}, Valid: false}}},
{"select 42::int4, $1::float8", []interface{}{pgx.NullFloat64{Float64: 1.23, Valid: true}}, []interface{}{&actual.i32, &actual.f64}, allTypes{i32: pgx.NullInt32{Int32: 42, Valid: true}, f64: pgx.NullFloat64{Float64: 1.23, Valid: true}}},
}
for i, tt := range tests {
actual = zero
err := conn.QueryRow(tt.sql, tt.queryArgs...).Scan(tt.scanArgs...)
if err != nil {
t.Errorf("%d. Unexpected failure: %v (sql -> %v, queryArgs -> %v)", i, err, tt.sql, tt.queryArgs)
}
if actual != tt.expected {
t.Errorf("%d. Expected %v, got %v (sql -> %v, queryArgs -> %v)", i, tt.expected, actual, tt.sql, tt.queryArgs)
}
ensureConnValid(t, conn)
}
}
func TestArrayDecoding(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
tests := []struct {
sql string
query interface{}
scan interface{}
assert func(*testing.T, interface{}, interface{})
}{
{
"select $1::bool[]", []bool{true, false, true}, &[]bool{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]bool))) {
t.Errorf("failed to encode bool[]")
}
},
},
{
"select $1::smallint[]", []int16{2, 4, 484, 32767}, &[]int16{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]int16))) {
t.Errorf("failed to encode smallint[]")
}
},
},
{
"select $1::smallint[]", []uint16{2, 4, 484, 32767}, &[]uint16{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]uint16))) {
t.Errorf("failed to encode smallint[]")
}
},
},
{
"select $1::int[]", []int32{2, 4, 484}, &[]int32{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]int32))) {
t.Errorf("failed to encode int[]")
}
},
},
{
"select $1::int[]", []uint32{2, 4, 484, 2147483647}, &[]uint32{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]uint32))) {
t.Errorf("failed to encode int[]")
}
},
},
{
"select $1::bigint[]", []int64{2, 4, 484, 9223372036854775807}, &[]int64{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]int64))) {
t.Errorf("failed to encode bigint[]")
}
},
},
{
"select $1::bigint[]", []uint64{2, 4, 484, 9223372036854775807}, &[]uint64{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]uint64))) {
t.Errorf("failed to encode bigint[]")
}
},
},
{
"select $1::text[]", []string{"it's", "over", "9000!"}, &[]string{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]string))) {
t.Errorf("failed to encode text[]")
}
},
},
{
"select $1::timestamptz[]", []time.Time{time.Unix(323232, 0), time.Unix(3239949334, 00)}, &[]time.Time{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]time.Time))) {
t.Errorf("failed to encode time.Time[] to timestamptz[]")
}
},
},
{
"select $1::bytea[]", [][]byte{{0, 1, 2, 3}, {4, 5, 6, 7}}, &[][]byte{},
func(t *testing.T, query, scan interface{}) {
queryBytesSliceSlice := query.([][]byte)
scanBytesSliceSlice := *(scan.(*[][]byte))
if len(queryBytesSliceSlice) != len(scanBytesSliceSlice) {
t.Errorf("failed to encode byte[][] to bytea[]: expected %d to equal %d", len(queryBytesSliceSlice), len(scanBytesSliceSlice))
}
for i := range queryBytesSliceSlice {
qb := queryBytesSliceSlice[i]
sb := scanBytesSliceSlice[i]
if !bytes.Equal(qb, sb) {
t.Errorf("failed to encode byte[][] to bytea[]: expected %v to equal %v", qb, sb)
}
}
},
},
}
for i, tt := range tests {
err := conn.QueryRow(tt.sql, tt.query).Scan(tt.scan)
if err != nil {
t.Errorf(`%d. error reading array: %v`, i, err)
continue
}
tt.assert(t, tt.query, tt.scan)
ensureConnValid(t, conn)
}
}
type shortScanner struct{}
func (*shortScanner) Scan(r *pgx.ValueReader) error {
r.ReadByte()
return nil
}
func TestShortScanner(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
rows, err := conn.Query("select 'ab', 'cd' union select 'cd', 'ef'")
if err != nil {
t.Error(err)
}
defer rows.Close()
for rows.Next() {
var s1, s2 shortScanner
err = rows.Scan(&s1, &s2)
if err != nil {
t.Error(err)
}
}
ensureConnValid(t, conn)
}
func TestEmptyArrayDecoding(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
var val []string
err := conn.QueryRow("select array[]::text[]").Scan(&val)
if err != nil {
t.Errorf(`error reading array: %v`, err)
}
if len(val) != 0 {
t.Errorf("Expected 0 values, got %d", len(val))
}
var n, m int32
err = conn.QueryRow("select 1::integer, array[]::text[], 42::integer").Scan(&n, &val, &m)
if err != nil {
t.Errorf(`error reading array: %v`, err)
}
if len(val) != 0 {
t.Errorf("Expected 0 values, got %d", len(val))
}
if n != 1 {
t.Errorf("Expected n to be 1, but it was %d", n)
}
if m != 42 {
t.Errorf("Expected n to be 42, but it was %d", n)
}
rows, err := conn.Query("select 1::integer, array['test']::text[] union select 2::integer, array[]::text[] union select 3::integer, array['test']::text[]")
if err != nil {
t.Errorf(`error retrieving rows with array: %v`, err)
}
defer rows.Close()
for rows.Next() {
err = rows.Scan(&n, &val)
if err != nil {
t.Errorf(`error reading array: %v`, err)
}
}
ensureConnValid(t, conn)
}
func TestNullXMismatch(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
type allTypes struct {
s pgx.NullString
i16 pgx.NullInt16
i32 pgx.NullInt32
i64 pgx.NullInt64
f32 pgx.NullFloat32
f64 pgx.NullFloat64
b pgx.NullBool
t pgx.NullTime
}
var actual, zero allTypes
tests := []struct {
sql string
queryArgs []interface{}
scanArgs []interface{}
err string
}{
{"select $1::date", []interface{}{pgx.NullString{String: "foo", Valid: true}}, []interface{}{&actual.s}, "invalid input syntax for type date"},
{"select $1::date", []interface{}{pgx.NullInt16{Int16: 1, Valid: true}}, []interface{}{&actual.i16}, "cannot encode into Oid 1082"},
{"select $1::date", []interface{}{pgx.NullInt32{Int32: 1, Valid: true}}, []interface{}{&actual.i32}, "cannot encode into Oid 1082"},
{"select $1::date", []interface{}{pgx.NullInt64{Int64: 1, Valid: true}}, []interface{}{&actual.i64}, "cannot encode into Oid 1082"},
{"select $1::date", []interface{}{pgx.NullFloat32{Float32: 1.23, Valid: true}}, []interface{}{&actual.f32}, "cannot encode into Oid 1082"},
{"select $1::date", []interface{}{pgx.NullFloat64{Float64: 1.23, Valid: true}}, []interface{}{&actual.f64}, "cannot encode into Oid 1082"},
{"select $1::date", []interface{}{pgx.NullBool{Bool: true, Valid: true}}, []interface{}{&actual.b}, "cannot encode into Oid 1082"},
{"select $1::int4", []interface{}{pgx.NullTime{Time: time.Unix(123, 5000), Valid: true}}, []interface{}{&actual.t}, "cannot encode into Oid 23"},
}
for i, tt := range tests {
actual = zero
err := conn.QueryRow(tt.sql, tt.queryArgs...).Scan(tt.scanArgs...)
if err == nil || !strings.Contains(err.Error(), tt.err) {
t.Errorf(`%d. Expected error to contain "%s", but it didn't: %v`, i, tt.err, err)
}
ensureConnValid(t, conn)
}
}
func TestPointerPointer(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
type allTypes struct {
s *string
i16 *int16
i32 *int32
i64 *int64
f32 *float32
f64 *float64
b *bool
t *time.Time
}
var actual, zero, expected allTypes
{
s := "foo"
expected.s = &s
i16 := int16(1)
expected.i16 = &i16
i32 := int32(1)
expected.i32 = &i32
i64 := int64(1)
expected.i64 = &i64
f32 := float32(1.23)
expected.f32 = &f32
f64 := float64(1.23)
expected.f64 = &f64
b := true
expected.b = &b
t := time.Unix(123, 5000)
expected.t = &t
}
tests := []struct {
sql string
queryArgs []interface{}
scanArgs []interface{}
expected allTypes
}{
{"select $1::text", []interface{}{expected.s}, []interface{}{&actual.s}, allTypes{s: expected.s}},
{"select $1::text", []interface{}{zero.s}, []interface{}{&actual.s}, allTypes{}},
{"select $1::int2", []interface{}{expected.i16}, []interface{}{&actual.i16}, allTypes{i16: expected.i16}},
{"select $1::int2", []interface{}{zero.i16}, []interface{}{&actual.i16}, allTypes{}},
{"select $1::int4", []interface{}{expected.i32}, []interface{}{&actual.i32}, allTypes{i32: expected.i32}},
{"select $1::int4", []interface{}{zero.i32}, []interface{}{&actual.i32}, allTypes{}},
{"select $1::int8", []interface{}{expected.i64}, []interface{}{&actual.i64}, allTypes{i64: expected.i64}},
{"select $1::int8", []interface{}{zero.i64}, []interface{}{&actual.i64}, allTypes{}},
{"select $1::float4", []interface{}{expected.f32}, []interface{}{&actual.f32}, allTypes{f32: expected.f32}},
{"select $1::float4", []interface{}{zero.f32}, []interface{}{&actual.f32}, allTypes{}},
{"select $1::float8", []interface{}{expected.f64}, []interface{}{&actual.f64}, allTypes{f64: expected.f64}},
{"select $1::float8", []interface{}{zero.f64}, []interface{}{&actual.f64}, allTypes{}},
{"select $1::bool", []interface{}{expected.b}, []interface{}{&actual.b}, allTypes{b: expected.b}},
{"select $1::bool", []interface{}{zero.b}, []interface{}{&actual.b}, allTypes{}},
{"select $1::timestamptz", []interface{}{expected.t}, []interface{}{&actual.t}, allTypes{t: expected.t}},
{"select $1::timestamptz", []interface{}{zero.t}, []interface{}{&actual.t}, allTypes{}},
}
for i, tt := range tests {
actual = zero
err := conn.QueryRow(tt.sql, tt.queryArgs...).Scan(tt.scanArgs...)
if err != nil {
t.Errorf("%d. Unexpected failure: %v (sql -> %v, queryArgs -> %v)", i, err, tt.sql, tt.queryArgs)
}
if !reflect.DeepEqual(actual, tt.expected) {
t.Errorf("%d. Expected %v, got %v (sql -> %v, queryArgs -> %v)", i, tt.expected, actual, tt.sql, tt.queryArgs)
}
ensureConnValid(t, conn)
}
}
func TestPointerPointerNonZero(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
f := "foo"
dest := &f
err := conn.QueryRow("select $1::text", nil).Scan(&dest)
if err != nil {
t.Errorf("Unexpected failure scanning: %v", err)
}
if dest != nil {
t.Errorf("Expected dest to be nil, got %#v", dest)
}
}
func TestEncodeTypeRename(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
type _int int
inInt := _int(1)
var outInt _int
type _int8 int8
inInt8 := _int8(2)
var outInt8 _int8
type _int16 int16
inInt16 := _int16(3)
var outInt16 _int16
type _int32 int32
inInt32 := _int32(4)
var outInt32 _int32
type _int64 int64
inInt64 := _int64(5)
var outInt64 _int64
type _uint uint
inUint := _uint(6)
var outUint _uint
type _uint8 uint8
inUint8 := _uint8(7)
var outUint8 _uint8
type _uint16 uint16
inUint16 := _uint16(8)
var outUint16 _uint16
type _uint32 uint32
inUint32 := _uint32(9)
var outUint32 _uint32
type _uint64 uint64
inUint64 := _uint64(10)
var outUint64 _uint64
type _string string
inString := _string("foo")
var outString _string
err := conn.QueryRow("select $1::int, $2::int, $3::int2, $4::int4, $5::int8, $6::int, $7::int, $8::int, $9::int, $10::int, $11::text",
inInt, inInt8, inInt16, inInt32, inInt64, inUint, inUint8, inUint16, inUint32, inUint64, inString,
).Scan(&outInt, &outInt8, &outInt16, &outInt32, &outInt64, &outUint, &outUint8, &outUint16, &outUint32, &outUint64, &outString)
if err != nil {
t.Fatalf("Failed with type rename: %v", err)
}
if inInt != outInt {
t.Errorf("int rename: expected %v, got %v", inInt, outInt)
}
if inInt8 != outInt8 {
t.Errorf("int8 rename: expected %v, got %v", inInt8, outInt8)
}
if inInt16 != outInt16 {
t.Errorf("int16 rename: expected %v, got %v", inInt16, outInt16)
}
if inInt32 != outInt32 {
t.Errorf("int32 rename: expected %v, got %v", inInt32, outInt32)
}
if inInt64 != outInt64 {
t.Errorf("int64 rename: expected %v, got %v", inInt64, outInt64)
}
if inUint != outUint {
t.Errorf("uint rename: expected %v, got %v", inUint, outUint)
}
if inUint8 != outUint8 {
t.Errorf("uint8 rename: expected %v, got %v", inUint8, outUint8)
}
if inUint16 != outUint16 {
t.Errorf("uint16 rename: expected %v, got %v", inUint16, outUint16)
}
if inUint32 != outUint32 {
t.Errorf("uint32 rename: expected %v, got %v", inUint32, outUint32)
}
if inUint64 != outUint64 {
t.Errorf("uint64 rename: expected %v, got %v", inUint64, outUint64)
}
if inString != outString {
t.Errorf("string rename: expected %v, got %v", inString, outString)
}
ensureConnValid(t, conn)
}
func TestRowDecode(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
tests := []struct {
sql string
expected []interface{}
}{
{
"select row(1, 'cat', '2015-01-01 08:12:42-00'::timestamptz)",
[]interface{}{
int32(1),
"cat",
time.Date(2015, 1, 1, 8, 12, 42, 0, time.UTC).Local(),
},
},
}
for i, tt := range tests {
var actual []interface{}
err := conn.QueryRow(tt.sql).Scan(&actual)
if err != nil {
t.Errorf("%d. Unexpected failure: %v (sql -> %v)", i, err, tt.sql)
continue
}
if !reflect.DeepEqual(actual, tt.expected) {
t.Errorf("%d. Expected %v, got %v (sql -> %v)", i, tt.expected, actual, tt.sql)
}
ensureConnValid(t, conn)
}
}