pgx/values_test.go

303 lines
11 KiB
Go

package pgx_test
import (
"fmt"
"github.com/jackc/pgx"
"strings"
"testing"
"time"
)
func TestQuoteString(t *testing.T) {
t.Parallel()
if pgx.QuoteString("test") != "'test'" {
t.Error("Failed to quote string")
}
if pgx.QuoteString("Jack's") != "'Jack''s'" {
t.Error("Failed to quote and escape string with embedded quote")
}
}
func TestSanitizeSql(t *testing.T) {
t.Parallel()
successTests := []struct {
sql string
args []interface{}
output string
}{
{"select $1", []interface{}{nil}, "select null"},
{"select $1", []interface{}{"Jack's"}, "select 'Jack''s'"},
{"select $1", []interface{}{int(42)}, "select 42"},
{"select $1", []interface{}{uint(42)}, "select 42"},
{"select $1", []interface{}{int8(42)}, "select 42"},
{"select $1", []interface{}{int16(42)}, "select 42"},
{"select $1", []interface{}{int32(42)}, "select 42"},
{"select $1", []interface{}{int64(42)}, "select 42"},
{"select $1", []interface{}{uint8(42)}, "select 42"},
{"select $1", []interface{}{uint16(42)}, "select 42"},
{"select $1", []interface{}{uint32(42)}, "select 42"},
{"select $1", []interface{}{uint64(42)}, "select 42"},
{"select $1", []interface{}{float32(1.23)}, "select 1.23"},
{"select $1", []interface{}{float64(1.23)}, "select 1.23"},
{"select $1", []interface{}{true}, "select true"},
{"select $1, $2, $3", []interface{}{"Jack's", 42, 1.23}, "select 'Jack''s', 42, 1.23"},
{"select $1", []interface{}{[]byte{0, 15, 255, 17}}, `select E'\\x000fff11'`},
{"select $1", []interface{}{&pgx.NullInt64{Int64: 0, Valid: false}}, "select null"},
{"select $1", []interface{}{&pgx.NullInt64{Int64: 1, Valid: true}}, "select 1"},
}
for i, tt := range successTests {
san, err := pgx.SanitizeSql(tt.sql, tt.args...)
if err != nil {
t.Errorf("%d. Unexpected failure: %v (sql -> %v, args -> %v)", i, err, tt.sql, tt.args)
}
if san != tt.output {
t.Errorf("%d. Expected %v, got %v (sql -> %v, args -> %v)", i, tt.output, san, tt.sql, tt.args)
}
}
errorTests := []struct {
sql string
args []interface{}
err string
}{
{"select $1", []interface{}{t}, "is not a core type and it does not implement TextEncoder"},
{"select $1, $2", []interface{}{}, "Cannot interpolate $1, only 0 arguments provided"},
}
for i, tt := range errorTests {
_, err := pgx.SanitizeSql(tt.sql, tt.args...)
if err == nil {
t.Errorf("%d. Unexpected success (sql -> %v, args -> %v)", i, tt.sql, tt.args, err)
}
if !strings.Contains(err.Error(), tt.err) {
t.Errorf("%d. Expected error to contain %s, but got %v (sql -> %v, args -> %v)", i, tt.err, err, tt.sql, tt.args)
}
}
}
// 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 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.b}, allTypes{t: pgx.NullTime{Time: time.Time{}, Valid: false}}},
}
for i, tt := range tests {
psName := fmt.Sprintf("success%d", i)
mustPrepare(t, conn, psName, tt.sql)
for _, sql := range []string{tt.sql, psName} {
actual = zero
err := conn.QueryRow(sql, tt.queryArgs...).Scan(tt.scanArgs...)
if err != nil {
t.Errorf("%d. Unexpected failure: %v (sql -> %v, queryArgs -> %v)", i, err, sql, tt.queryArgs)
}
if actual != tt.expected {
t.Errorf("%d. Expected %v, got %v (sql -> %v, queryArgs -> %v)", i, tt.expected, actual, sql, tt.queryArgs)
}
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::date", []interface{}{pgx.NullTime{Time: time.Unix(123, 5000), Valid: true}}, []interface{}{&actual.t}, "cannot encode into OID 1082"},
}
for i, tt := range tests {
psName := fmt.Sprintf("ps%d", i)
mustPrepare(t, conn, psName, tt.sql)
actual = zero
err := conn.QueryRow(psName, 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)
}
}