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mindoc/vendor/github.com/go-sql-driver/mysql/driver_test.go

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// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"bytes"
"crypto/tls"
"database/sql"
"database/sql/driver"
"fmt"
"io"
"io/ioutil"
"log"
"net"
"net/url"
"os"
"strings"
"sync"
"sync/atomic"
"testing"
"time"
)
var (
user string
pass string
prot string
addr string
dbname string
dsn string
netAddr string
available bool
)
var (
tDate = time.Date(2012, 6, 14, 0, 0, 0, 0, time.UTC)
sDate = "2012-06-14"
tDateTime = time.Date(2011, 11, 20, 21, 27, 37, 0, time.UTC)
sDateTime = "2011-11-20 21:27:37"
tDate0 = time.Time{}
sDate0 = "0000-00-00"
sDateTime0 = "0000-00-00 00:00:00"
)
// See https://github.com/go-sql-driver/mysql/wiki/Testing
func init() {
// get environment variables
env := func(key, defaultValue string) string {
if value := os.Getenv(key); value != "" {
return value
}
return defaultValue
}
user = env("MYSQL_TEST_USER", "root")
pass = env("MYSQL_TEST_PASS", "")
prot = env("MYSQL_TEST_PROT", "tcp")
addr = env("MYSQL_TEST_ADDR", "localhost:3306")
dbname = env("MYSQL_TEST_DBNAME", "gotest")
netAddr = fmt.Sprintf("%s(%s)", prot, addr)
dsn = fmt.Sprintf("%s:%s@%s/%s?timeout=30s&strict=true", user, pass, netAddr, dbname)
c, err := net.Dial(prot, addr)
if err == nil {
available = true
c.Close()
}
}
type DBTest struct {
*testing.T
db *sql.DB
}
func runTestsWithMultiStatement(t *testing.T, dsn string, tests ...func(dbt *DBTest)) {
if !available {
t.Skipf("MySQL server not running on %s", netAddr)
}
dsn += "&multiStatements=true"
var db *sql.DB
if _, err := ParseDSN(dsn); err != errInvalidDSNUnsafeCollation {
db, err = sql.Open("mysql", dsn)
if err != nil {
t.Fatalf("error connecting: %s", err.Error())
}
defer db.Close()
}
dbt := &DBTest{t, db}
for _, test := range tests {
test(dbt)
dbt.db.Exec("DROP TABLE IF EXISTS test")
}
}
func runTests(t *testing.T, dsn string, tests ...func(dbt *DBTest)) {
if !available {
t.Skipf("MySQL server not running on %s", netAddr)
}
db, err := sql.Open("mysql", dsn)
if err != nil {
t.Fatalf("error connecting: %s", err.Error())
}
defer db.Close()
db.Exec("DROP TABLE IF EXISTS test")
dsn2 := dsn + "&interpolateParams=true"
var db2 *sql.DB
if _, err := ParseDSN(dsn2); err != errInvalidDSNUnsafeCollation {
db2, err = sql.Open("mysql", dsn2)
if err != nil {
t.Fatalf("error connecting: %s", err.Error())
}
defer db2.Close()
}
dsn3 := dsn + "&multiStatements=true"
var db3 *sql.DB
if _, err := ParseDSN(dsn3); err != errInvalidDSNUnsafeCollation {
db3, err = sql.Open("mysql", dsn3)
if err != nil {
t.Fatalf("error connecting: %s", err.Error())
}
defer db3.Close()
}
dbt := &DBTest{t, db}
dbt2 := &DBTest{t, db2}
dbt3 := &DBTest{t, db3}
for _, test := range tests {
test(dbt)
dbt.db.Exec("DROP TABLE IF EXISTS test")
if db2 != nil {
test(dbt2)
dbt2.db.Exec("DROP TABLE IF EXISTS test")
}
if db3 != nil {
test(dbt3)
dbt3.db.Exec("DROP TABLE IF EXISTS test")
}
}
}
func (dbt *DBTest) fail(method, query string, err error) {
if len(query) > 300 {
query = "[query too large to print]"
}
dbt.Fatalf("error on %s %s: %s", method, query, err.Error())
}
func (dbt *DBTest) mustExec(query string, args ...interface{}) (res sql.Result) {
res, err := dbt.db.Exec(query, args...)
if err != nil {
dbt.fail("exec", query, err)
}
return res
}
func (dbt *DBTest) mustQuery(query string, args ...interface{}) (rows *sql.Rows) {
rows, err := dbt.db.Query(query, args...)
if err != nil {
dbt.fail("query", query, err)
}
return rows
}
func TestEmptyQuery(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
// just a comment, no query
rows := dbt.mustQuery("--")
// will hang before #255
if rows.Next() {
dbt.Errorf("next on rows must be false")
}
})
}
func TestCRUD(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
// Create Table
dbt.mustExec("CREATE TABLE test (value BOOL)")
// Test for unexpected data
var out bool
rows := dbt.mustQuery("SELECT * FROM test")
if rows.Next() {
dbt.Error("unexpected data in empty table")
}
// Create Data
res := dbt.mustExec("INSERT INTO test VALUES (1)")
count, err := res.RowsAffected()
if err != nil {
dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
}
if count != 1 {
dbt.Fatalf("expected 1 affected row, got %d", count)
}
id, err := res.LastInsertId()
if err != nil {
dbt.Fatalf("res.LastInsertId() returned error: %s", err.Error())
}
if id != 0 {
dbt.Fatalf("expected InsertId 0, got %d", id)
}
// Read
rows = dbt.mustQuery("SELECT value FROM test")
if rows.Next() {
rows.Scan(&out)
if true != out {
dbt.Errorf("true != %t", out)
}
if rows.Next() {
dbt.Error("unexpected data")
}
} else {
dbt.Error("no data")
}
// Update
res = dbt.mustExec("UPDATE test SET value = ? WHERE value = ?", false, true)
count, err = res.RowsAffected()
if err != nil {
dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
}
if count != 1 {
dbt.Fatalf("expected 1 affected row, got %d", count)
}
// Check Update
rows = dbt.mustQuery("SELECT value FROM test")
if rows.Next() {
rows.Scan(&out)
if false != out {
dbt.Errorf("false != %t", out)
}
if rows.Next() {
dbt.Error("unexpected data")
}
} else {
dbt.Error("no data")
}
// Delete
res = dbt.mustExec("DELETE FROM test WHERE value = ?", false)
count, err = res.RowsAffected()
if err != nil {
dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
}
if count != 1 {
dbt.Fatalf("expected 1 affected row, got %d", count)
}
// Check for unexpected rows
res = dbt.mustExec("DELETE FROM test")
count, err = res.RowsAffected()
if err != nil {
dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
}
if count != 0 {
dbt.Fatalf("expected 0 affected row, got %d", count)
}
})
}
func TestMultiQuery(t *testing.T) {
runTestsWithMultiStatement(t, dsn, func(dbt *DBTest) {
// Create Table
dbt.mustExec("CREATE TABLE `test` (`id` int(11) NOT NULL, `value` int(11) NOT NULL) ")
// Create Data
res := dbt.mustExec("INSERT INTO test VALUES (1, 1)")
count, err := res.RowsAffected()
if err != nil {
dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
}
if count != 1 {
dbt.Fatalf("expected 1 affected row, got %d", count)
}
// Update
res = dbt.mustExec("UPDATE test SET value = 3 WHERE id = 1; UPDATE test SET value = 4 WHERE id = 1; UPDATE test SET value = 5 WHERE id = 1;")
count, err = res.RowsAffected()
if err != nil {
dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
}
if count != 1 {
dbt.Fatalf("expected 1 affected row, got %d", count)
}
// Read
var out int
rows := dbt.mustQuery("SELECT value FROM test WHERE id=1;")
if rows.Next() {
rows.Scan(&out)
if 5 != out {
dbt.Errorf("5 != %d", out)
}
if rows.Next() {
dbt.Error("unexpected data")
}
} else {
dbt.Error("no data")
}
})
}
func TestInt(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
types := [5]string{"TINYINT", "SMALLINT", "MEDIUMINT", "INT", "BIGINT"}
in := int64(42)
var out int64
var rows *sql.Rows
// SIGNED
for _, v := range types {
dbt.mustExec("CREATE TABLE test (value " + v + ")")
dbt.mustExec("INSERT INTO test VALUES (?)", in)
rows = dbt.mustQuery("SELECT value FROM test")
if rows.Next() {
rows.Scan(&out)
if in != out {
dbt.Errorf("%s: %d != %d", v, in, out)
}
} else {
dbt.Errorf("%s: no data", v)
}
dbt.mustExec("DROP TABLE IF EXISTS test")
}
// UNSIGNED ZEROFILL
for _, v := range types {
dbt.mustExec("CREATE TABLE test (value " + v + " ZEROFILL)")
dbt.mustExec("INSERT INTO test VALUES (?)", in)
rows = dbt.mustQuery("SELECT value FROM test")
if rows.Next() {
rows.Scan(&out)
if in != out {
dbt.Errorf("%s ZEROFILL: %d != %d", v, in, out)
}
} else {
dbt.Errorf("%s ZEROFILL: no data", v)
}
dbt.mustExec("DROP TABLE IF EXISTS test")
}
})
}
func TestFloat(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
types := [2]string{"FLOAT", "DOUBLE"}
in := float32(42.23)
var out float32
var rows *sql.Rows
for _, v := range types {
dbt.mustExec("CREATE TABLE test (value " + v + ")")
dbt.mustExec("INSERT INTO test VALUES (?)", in)
rows = dbt.mustQuery("SELECT value FROM test")
if rows.Next() {
rows.Scan(&out)
if in != out {
dbt.Errorf("%s: %g != %g", v, in, out)
}
} else {
dbt.Errorf("%s: no data", v)
}
dbt.mustExec("DROP TABLE IF EXISTS test")
}
})
}
func TestString(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
types := [6]string{"CHAR(255)", "VARCHAR(255)", "TINYTEXT", "TEXT", "MEDIUMTEXT", "LONGTEXT"}
in := "κόσμε üöäßñóùéàâÿœ'îë Árvíztűrő いろはにほへとちりぬるを イロハニホヘト דג סקרן чащах น่าฟังเอย"
var out string
var rows *sql.Rows
for _, v := range types {
dbt.mustExec("CREATE TABLE test (value " + v + ") CHARACTER SET utf8")
dbt.mustExec("INSERT INTO test VALUES (?)", in)
rows = dbt.mustQuery("SELECT value FROM test")
if rows.Next() {
rows.Scan(&out)
if in != out {
dbt.Errorf("%s: %s != %s", v, in, out)
}
} else {
dbt.Errorf("%s: no data", v)
}
dbt.mustExec("DROP TABLE IF EXISTS test")
}
// BLOB
dbt.mustExec("CREATE TABLE test (id int, value BLOB) CHARACTER SET utf8")
id := 2
in = "Lorem ipsum dolor sit amet, consetetur sadipscing elitr, " +
"sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, " +
"sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. " +
"Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. " +
"Lorem ipsum dolor sit amet, consetetur sadipscing elitr, " +
"sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, " +
"sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. " +
"Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet."
dbt.mustExec("INSERT INTO test VALUES (?, ?)", id, in)
err := dbt.db.QueryRow("SELECT value FROM test WHERE id = ?", id).Scan(&out)
if err != nil {
dbt.Fatalf("Error on BLOB-Query: %s", err.Error())
} else if out != in {
dbt.Errorf("BLOB: %s != %s", in, out)
}
})
}
type timeTests struct {
dbtype string
tlayout string
tests []timeTest
}
type timeTest struct {
s string // leading "!": do not use t as value in queries
t time.Time
}
type timeMode byte
func (t timeMode) String() string {
switch t {
case binaryString:
return "binary:string"
case binaryTime:
return "binary:time.Time"
case textString:
return "text:string"
}
panic("unsupported timeMode")
}
func (t timeMode) Binary() bool {
switch t {
case binaryString, binaryTime:
return true
}
return false
}
const (
binaryString timeMode = iota
binaryTime
textString
)
func (t timeTest) genQuery(dbtype string, mode timeMode) string {
var inner string
if mode.Binary() {
inner = "?"
} else {
inner = `"%s"`
}
return `SELECT cast(` + inner + ` as ` + dbtype + `)`
}
func (t timeTest) run(dbt *DBTest, dbtype, tlayout string, mode timeMode) {
var rows *sql.Rows
query := t.genQuery(dbtype, mode)
switch mode {
case binaryString:
rows = dbt.mustQuery(query, t.s)
case binaryTime:
rows = dbt.mustQuery(query, t.t)
case textString:
query = fmt.Sprintf(query, t.s)
rows = dbt.mustQuery(query)
default:
panic("unsupported mode")
}
defer rows.Close()
var err error
if !rows.Next() {
err = rows.Err()
if err == nil {
err = fmt.Errorf("no data")
}
dbt.Errorf("%s [%s]: %s", dbtype, mode, err)
return
}
var dst interface{}
err = rows.Scan(&dst)
if err != nil {
dbt.Errorf("%s [%s]: %s", dbtype, mode, err)
return
}
switch val := dst.(type) {
case []uint8:
str := string(val)
if str == t.s {
return
}
if mode.Binary() && dbtype == "DATETIME" && len(str) == 26 && str[:19] == t.s {
// a fix mainly for TravisCI:
// accept full microsecond resolution in result for DATETIME columns
// where the binary protocol was used
return
}
dbt.Errorf("%s [%s] to string: expected %q, got %q",
dbtype, mode,
t.s, str,
)
case time.Time:
if val == t.t {
return
}
dbt.Errorf("%s [%s] to string: expected %q, got %q",
dbtype, mode,
t.s, val.Format(tlayout),
)
default:
fmt.Printf("%#v\n", []interface{}{dbtype, tlayout, mode, t.s, t.t})
dbt.Errorf("%s [%s]: unhandled type %T (is '%v')",
dbtype, mode,
val, val,
)
}
}
func TestDateTime(t *testing.T) {
afterTime := func(t time.Time, d string) time.Time {
dur, err := time.ParseDuration(d)
if err != nil {
panic(err)
}
return t.Add(dur)
}
// NOTE: MySQL rounds DATETIME(x) up - but that's not included in the tests
format := "2006-01-02 15:04:05.999999"
t0 := time.Time{}
tstr0 := "0000-00-00 00:00:00.000000"
testcases := []timeTests{
{"DATE", format[:10], []timeTest{
{t: time.Date(2011, 11, 20, 0, 0, 0, 0, time.UTC)},
{t: t0, s: tstr0[:10]},
}},
{"DATETIME", format[:19], []timeTest{
{t: time.Date(2011, 11, 20, 21, 27, 37, 0, time.UTC)},
{t: t0, s: tstr0[:19]},
}},
{"DATETIME(0)", format[:21], []timeTest{
{t: time.Date(2011, 11, 20, 21, 27, 37, 0, time.UTC)},
{t: t0, s: tstr0[:19]},
}},
{"DATETIME(1)", format[:21], []timeTest{
{t: time.Date(2011, 11, 20, 21, 27, 37, 100000000, time.UTC)},
{t: t0, s: tstr0[:21]},
}},
{"DATETIME(6)", format, []timeTest{
{t: time.Date(2011, 11, 20, 21, 27, 37, 123456000, time.UTC)},
{t: t0, s: tstr0},
}},
{"TIME", format[11:19], []timeTest{
{t: afterTime(t0, "12345s")},
{s: "!-12:34:56"},
{s: "!-838:59:59"},
{s: "!838:59:59"},
{t: t0, s: tstr0[11:19]},
}},
{"TIME(0)", format[11:19], []timeTest{
{t: afterTime(t0, "12345s")},
{s: "!-12:34:56"},
{s: "!-838:59:59"},
{s: "!838:59:59"},
{t: t0, s: tstr0[11:19]},
}},
{"TIME(1)", format[11:21], []timeTest{
{t: afterTime(t0, "12345600ms")},
{s: "!-12:34:56.7"},
{s: "!-838:59:58.9"},
{s: "!838:59:58.9"},
{t: t0, s: tstr0[11:21]},
}},
{"TIME(6)", format[11:], []timeTest{
{t: afterTime(t0, "1234567890123000ns")},
{s: "!-12:34:56.789012"},
{s: "!-838:59:58.999999"},
{s: "!838:59:58.999999"},
{t: t0, s: tstr0[11:]},
}},
}
dsns := []string{
dsn + "&parseTime=true",
dsn + "&parseTime=false",
}
for _, testdsn := range dsns {
runTests(t, testdsn, func(dbt *DBTest) {
microsecsSupported := false
zeroDateSupported := false
var rows *sql.Rows
var err error
rows, err = dbt.db.Query(`SELECT cast("00:00:00.1" as TIME(1)) = "00:00:00.1"`)
if err == nil {
rows.Scan(&microsecsSupported)
rows.Close()
}
rows, err = dbt.db.Query(`SELECT cast("0000-00-00" as DATE) = "0000-00-00"`)
if err == nil {
rows.Scan(&zeroDateSupported)
rows.Close()
}
for _, setups := range testcases {
if t := setups.dbtype; !microsecsSupported && t[len(t)-1:] == ")" {
// skip fractional second tests if unsupported by server
continue
}
for _, setup := range setups.tests {
allowBinTime := true
if setup.s == "" {
// fill time string whereever Go can reliable produce it
setup.s = setup.t.Format(setups.tlayout)
} else if setup.s[0] == '!' {
// skip tests using setup.t as source in queries
allowBinTime = false
// fix setup.s - remove the "!"
setup.s = setup.s[1:]
}
if !zeroDateSupported && setup.s == tstr0[:len(setup.s)] {
// skip disallowed 0000-00-00 date
continue
}
setup.run(dbt, setups.dbtype, setups.tlayout, textString)
setup.run(dbt, setups.dbtype, setups.tlayout, binaryString)
if allowBinTime {
setup.run(dbt, setups.dbtype, setups.tlayout, binaryTime)
}
}
}
})
}
}
func TestTimestampMicros(t *testing.T) {
format := "2006-01-02 15:04:05.999999"
f0 := format[:19]
f1 := format[:21]
f6 := format[:26]
runTests(t, dsn, func(dbt *DBTest) {
// check if microseconds are supported.
// Do not use timestamp(x) for that check - before 5.5.6, x would mean display width
// and not precision.
// Se last paragraph at http://dev.mysql.com/doc/refman/5.6/en/fractional-seconds.html
microsecsSupported := false
if rows, err := dbt.db.Query(`SELECT cast("00:00:00.1" as TIME(1)) = "00:00:00.1"`); err == nil {
rows.Scan(&microsecsSupported)
rows.Close()
}
if !microsecsSupported {
// skip test
return
}
_, err := dbt.db.Exec(`
CREATE TABLE test (
value0 TIMESTAMP NOT NULL DEFAULT '` + f0 + `',
value1 TIMESTAMP(1) NOT NULL DEFAULT '` + f1 + `',
value6 TIMESTAMP(6) NOT NULL DEFAULT '` + f6 + `'
)`,
)
if err != nil {
dbt.Error(err)
}
defer dbt.mustExec("DROP TABLE IF EXISTS test")
dbt.mustExec("INSERT INTO test SET value0=?, value1=?, value6=?", f0, f1, f6)
var res0, res1, res6 string
rows := dbt.mustQuery("SELECT * FROM test")
if !rows.Next() {
dbt.Errorf("test contained no selectable values")
}
err = rows.Scan(&res0, &res1, &res6)
if err != nil {
dbt.Error(err)
}
if res0 != f0 {
dbt.Errorf("expected %q, got %q", f0, res0)
}
if res1 != f1 {
dbt.Errorf("expected %q, got %q", f1, res1)
}
if res6 != f6 {
dbt.Errorf("expected %q, got %q", f6, res6)
}
})
}
func TestNULL(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
nullStmt, err := dbt.db.Prepare("SELECT NULL")
if err != nil {
dbt.Fatal(err)
}
defer nullStmt.Close()
nonNullStmt, err := dbt.db.Prepare("SELECT 1")
if err != nil {
dbt.Fatal(err)
}
defer nonNullStmt.Close()
// NullBool
var nb sql.NullBool
// Invalid
if err = nullStmt.QueryRow().Scan(&nb); err != nil {
dbt.Fatal(err)
}
if nb.Valid {
dbt.Error("valid NullBool which should be invalid")
}
// Valid
if err = nonNullStmt.QueryRow().Scan(&nb); err != nil {
dbt.Fatal(err)
}
if !nb.Valid {
dbt.Error("invalid NullBool which should be valid")
} else if nb.Bool != true {
dbt.Errorf("Unexpected NullBool value: %t (should be true)", nb.Bool)
}
// NullFloat64
var nf sql.NullFloat64
// Invalid
if err = nullStmt.QueryRow().Scan(&nf); err != nil {
dbt.Fatal(err)
}
if nf.Valid {
dbt.Error("valid NullFloat64 which should be invalid")
}
// Valid
if err = nonNullStmt.QueryRow().Scan(&nf); err != nil {
dbt.Fatal(err)
}
if !nf.Valid {
dbt.Error("invalid NullFloat64 which should be valid")
} else if nf.Float64 != float64(1) {
dbt.Errorf("unexpected NullFloat64 value: %f (should be 1.0)", nf.Float64)
}
// NullInt64
var ni sql.NullInt64
// Invalid
if err = nullStmt.QueryRow().Scan(&ni); err != nil {
dbt.Fatal(err)
}
if ni.Valid {
dbt.Error("valid NullInt64 which should be invalid")
}
// Valid
if err = nonNullStmt.QueryRow().Scan(&ni); err != nil {
dbt.Fatal(err)
}
if !ni.Valid {
dbt.Error("invalid NullInt64 which should be valid")
} else if ni.Int64 != int64(1) {
dbt.Errorf("unexpected NullInt64 value: %d (should be 1)", ni.Int64)
}
// NullString
var ns sql.NullString
// Invalid
if err = nullStmt.QueryRow().Scan(&ns); err != nil {
dbt.Fatal(err)
}
if ns.Valid {
dbt.Error("valid NullString which should be invalid")
}
// Valid
if err = nonNullStmt.QueryRow().Scan(&ns); err != nil {
dbt.Fatal(err)
}
if !ns.Valid {
dbt.Error("invalid NullString which should be valid")
} else if ns.String != `1` {
dbt.Error("unexpected NullString value:" + ns.String + " (should be `1`)")
}
// nil-bytes
var b []byte
// Read nil
if err = nullStmt.QueryRow().Scan(&b); err != nil {
dbt.Fatal(err)
}
if b != nil {
dbt.Error("non-nil []byte wich should be nil")
}
// Read non-nil
if err = nonNullStmt.QueryRow().Scan(&b); err != nil {
dbt.Fatal(err)
}
if b == nil {
dbt.Error("nil []byte wich should be non-nil")
}
// Insert nil
b = nil
success := false
if err = dbt.db.QueryRow("SELECT ? IS NULL", b).Scan(&success); err != nil {
dbt.Fatal(err)
}
if !success {
dbt.Error("inserting []byte(nil) as NULL failed")
}
// Check input==output with input==nil
b = nil
if err = dbt.db.QueryRow("SELECT ?", b).Scan(&b); err != nil {
dbt.Fatal(err)
}
if b != nil {
dbt.Error("non-nil echo from nil input")
}
// Check input==output with input!=nil
b = []byte("")
if err = dbt.db.QueryRow("SELECT ?", b).Scan(&b); err != nil {
dbt.Fatal(err)
}
if b == nil {
dbt.Error("nil echo from non-nil input")
}
// Insert NULL
dbt.mustExec("CREATE TABLE test (dummmy1 int, value int, dummy2 int)")
dbt.mustExec("INSERT INTO test VALUES (?, ?, ?)", 1, nil, 2)
var out interface{}
rows := dbt.mustQuery("SELECT * FROM test")
if rows.Next() {
rows.Scan(&out)
if out != nil {
dbt.Errorf("%v != nil", out)
}
} else {
dbt.Error("no data")
}
})
}
func TestUint64(t *testing.T) {
const (
u0 = uint64(0)
uall = ^u0
uhigh = uall >> 1
utop = ^uhigh
s0 = int64(0)
sall = ^s0
shigh = int64(uhigh)
stop = ^shigh
)
runTests(t, dsn, func(dbt *DBTest) {
stmt, err := dbt.db.Prepare(`SELECT ?, ?, ? ,?, ?, ?, ?, ?`)
if err != nil {
dbt.Fatal(err)
}
defer stmt.Close()
row := stmt.QueryRow(
u0, uhigh, utop, uall,
s0, shigh, stop, sall,
)
var ua, ub, uc, ud uint64
var sa, sb, sc, sd int64
err = row.Scan(&ua, &ub, &uc, &ud, &sa, &sb, &sc, &sd)
if err != nil {
dbt.Fatal(err)
}
switch {
case ua != u0,
ub != uhigh,
uc != utop,
ud != uall,
sa != s0,
sb != shigh,
sc != stop,
sd != sall:
dbt.Fatal("unexpected result value")
}
})
}
func TestLongData(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
var maxAllowedPacketSize int
err := dbt.db.QueryRow("select @@max_allowed_packet").Scan(&maxAllowedPacketSize)
if err != nil {
dbt.Fatal(err)
}
maxAllowedPacketSize--
// don't get too ambitious
if maxAllowedPacketSize > 1<<25 {
maxAllowedPacketSize = 1 << 25
}
dbt.mustExec("CREATE TABLE test (value LONGBLOB)")
in := strings.Repeat(`a`, maxAllowedPacketSize+1)
var out string
var rows *sql.Rows
// Long text data
const nonDataQueryLen = 28 // length query w/o value
inS := in[:maxAllowedPacketSize-nonDataQueryLen]
dbt.mustExec("INSERT INTO test VALUES('" + inS + "')")
rows = dbt.mustQuery("SELECT value FROM test")
if rows.Next() {
rows.Scan(&out)
if inS != out {
dbt.Fatalf("LONGBLOB: length in: %d, length out: %d", len(inS), len(out))
}
if rows.Next() {
dbt.Error("LONGBLOB: unexpexted row")
}
} else {
dbt.Fatalf("LONGBLOB: no data")
}
// Empty table
dbt.mustExec("TRUNCATE TABLE test")
// Long binary data
dbt.mustExec("INSERT INTO test VALUES(?)", in)
rows = dbt.mustQuery("SELECT value FROM test WHERE 1=?", 1)
if rows.Next() {
rows.Scan(&out)
if in != out {
dbt.Fatalf("LONGBLOB: length in: %d, length out: %d", len(in), len(out))
}
if rows.Next() {
dbt.Error("LONGBLOB: unexpexted row")
}
} else {
if err = rows.Err(); err != nil {
dbt.Fatalf("LONGBLOB: no data (err: %s)", err.Error())
} else {
dbt.Fatal("LONGBLOB: no data (err: <nil>)")
}
}
})
}
func TestLoadData(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
verifyLoadDataResult := func() {
rows, err := dbt.db.Query("SELECT * FROM test")
if err != nil {
dbt.Fatal(err.Error())
}
i := 0
values := [4]string{
"a string",
"a string containing a \t",
"a string containing a \n",
"a string containing both \t\n",
}
var id int
var value string
for rows.Next() {
i++
err = rows.Scan(&id, &value)
if err != nil {
dbt.Fatal(err.Error())
}
if i != id {
dbt.Fatalf("%d != %d", i, id)
}
if values[i-1] != value {
dbt.Fatalf("%q != %q", values[i-1], value)
}
}
err = rows.Err()
if err != nil {
dbt.Fatal(err.Error())
}
if i != 4 {
dbt.Fatalf("rows count mismatch. Got %d, want 4", i)
}
}
file, err := ioutil.TempFile("", "gotest")
defer os.Remove(file.Name())
if err != nil {
dbt.Fatal(err)
}
file.WriteString("1\ta string\n2\ta string containing a \\t\n3\ta string containing a \\n\n4\ta string containing both \\t\\n\n")
file.Close()
dbt.db.Exec("DROP TABLE IF EXISTS test")
dbt.mustExec("CREATE TABLE test (id INT NOT NULL PRIMARY KEY, value TEXT NOT NULL) CHARACTER SET utf8")
// Local File
RegisterLocalFile(file.Name())
dbt.mustExec(fmt.Sprintf("LOAD DATA LOCAL INFILE %q INTO TABLE test", file.Name()))
verifyLoadDataResult()
// negative test
_, err = dbt.db.Exec("LOAD DATA LOCAL INFILE 'doesnotexist' INTO TABLE test")
if err == nil {
dbt.Fatal("load non-existent file didn't fail")
} else if err.Error() != "local file 'doesnotexist' is not registered" {
dbt.Fatal(err.Error())
}
// Empty table
dbt.mustExec("TRUNCATE TABLE test")
// Reader
RegisterReaderHandler("test", func() io.Reader {
file, err = os.Open(file.Name())
if err != nil {
dbt.Fatal(err)
}
return file
})
dbt.mustExec("LOAD DATA LOCAL INFILE 'Reader::test' INTO TABLE test")
verifyLoadDataResult()
// negative test
_, err = dbt.db.Exec("LOAD DATA LOCAL INFILE 'Reader::doesnotexist' INTO TABLE test")
if err == nil {
dbt.Fatal("load non-existent Reader didn't fail")
} else if err.Error() != "Reader 'doesnotexist' is not registered" {
dbt.Fatal(err.Error())
}
})
}
func TestFoundRows(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
dbt.mustExec("CREATE TABLE test (id INT NOT NULL ,data INT NOT NULL)")
dbt.mustExec("INSERT INTO test (id, data) VALUES (0, 0),(0, 0),(1, 0),(1, 0),(1, 1)")
res := dbt.mustExec("UPDATE test SET data = 1 WHERE id = 0")
count, err := res.RowsAffected()
if err != nil {
dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
}
if count != 2 {
dbt.Fatalf("Expected 2 affected rows, got %d", count)
}
res = dbt.mustExec("UPDATE test SET data = 1 WHERE id = 1")
count, err = res.RowsAffected()
if err != nil {
dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
}
if count != 2 {
dbt.Fatalf("Expected 2 affected rows, got %d", count)
}
})
runTests(t, dsn+"&clientFoundRows=true", func(dbt *DBTest) {
dbt.mustExec("CREATE TABLE test (id INT NOT NULL ,data INT NOT NULL)")
dbt.mustExec("INSERT INTO test (id, data) VALUES (0, 0),(0, 0),(1, 0),(1, 0),(1, 1)")
res := dbt.mustExec("UPDATE test SET data = 1 WHERE id = 0")
count, err := res.RowsAffected()
if err != nil {
dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
}
if count != 2 {
dbt.Fatalf("Expected 2 matched rows, got %d", count)
}
res = dbt.mustExec("UPDATE test SET data = 1 WHERE id = 1")
count, err = res.RowsAffected()
if err != nil {
dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
}
if count != 3 {
dbt.Fatalf("Expected 3 matched rows, got %d", count)
}
})
}
func TestStrict(t *testing.T) {
// ALLOW_INVALID_DATES to get rid of stricter modes - we want to test for warnings, not errors
relaxedDsn := dsn + "&sql_mode='ALLOW_INVALID_DATES,NO_AUTO_CREATE_USER'"
// make sure the MySQL version is recent enough with a separate connection
// before running the test
conn, err := MySQLDriver{}.Open(relaxedDsn)
if conn != nil {
conn.Close()
}
if me, ok := err.(*MySQLError); ok && me.Number == 1231 {
// Error 1231: Variable 'sql_mode' can't be set to the value of 'ALLOW_INVALID_DATES'
// => skip test, MySQL server version is too old
return
}
runTests(t, relaxedDsn, func(dbt *DBTest) {
dbt.mustExec("CREATE TABLE test (a TINYINT NOT NULL, b CHAR(4))")
var queries = [...]struct {
in string
codes []string
}{
{"DROP TABLE IF EXISTS no_such_table", []string{"1051"}},
{"INSERT INTO test VALUES(10,'mysql'),(NULL,'test'),(300,'Open Source')", []string{"1265", "1048", "1264", "1265"}},
}
var err error
var checkWarnings = func(err error, mode string, idx int) {
if err == nil {
dbt.Errorf("expected STRICT error on query [%s] %s", mode, queries[idx].in)
}
if warnings, ok := err.(MySQLWarnings); ok {
var codes = make([]string, len(warnings))
for i := range warnings {
codes[i] = warnings[i].Code
}
if len(codes) != len(queries[idx].codes) {
dbt.Errorf("unexpected STRICT error count on query [%s] %s: Wanted %v, Got %v", mode, queries[idx].in, queries[idx].codes, codes)
}
for i := range warnings {
if codes[i] != queries[idx].codes[i] {
dbt.Errorf("unexpected STRICT error codes on query [%s] %s: Wanted %v, Got %v", mode, queries[idx].in, queries[idx].codes, codes)
return
}
}
} else {
dbt.Errorf("unexpected error on query [%s] %s: %s", mode, queries[idx].in, err.Error())
}
}
// text protocol
for i := range queries {
_, err = dbt.db.Exec(queries[i].in)
checkWarnings(err, "text", i)
}
var stmt *sql.Stmt
// binary protocol
for i := range queries {
stmt, err = dbt.db.Prepare(queries[i].in)
if err != nil {
dbt.Errorf("error on preparing query %s: %s", queries[i].in, err.Error())
}
_, err = stmt.Exec()
checkWarnings(err, "binary", i)
err = stmt.Close()
if err != nil {
dbt.Errorf("error on closing stmt for query %s: %s", queries[i].in, err.Error())
}
}
})
}
func TestTLS(t *testing.T) {
tlsTest := func(dbt *DBTest) {
if err := dbt.db.Ping(); err != nil {
if err == ErrNoTLS {
dbt.Skip("server does not support TLS")
} else {
dbt.Fatalf("error on Ping: %s", err.Error())
}
}
rows := dbt.mustQuery("SHOW STATUS LIKE 'Ssl_cipher'")
var variable, value *sql.RawBytes
for rows.Next() {
if err := rows.Scan(&variable, &value); err != nil {
dbt.Fatal(err.Error())
}
if value == nil {
dbt.Fatal("no Cipher")
}
}
}
runTests(t, dsn+"&tls=skip-verify", tlsTest)
// Verify that registering / using a custom cfg works
RegisterTLSConfig("custom-skip-verify", &tls.Config{
InsecureSkipVerify: true,
})
runTests(t, dsn+"&tls=custom-skip-verify", tlsTest)
}
func TestReuseClosedConnection(t *testing.T) {
// this test does not use sql.database, it uses the driver directly
if !available {
t.Skipf("MySQL server not running on %s", netAddr)
}
md := &MySQLDriver{}
conn, err := md.Open(dsn)
if err != nil {
t.Fatalf("error connecting: %s", err.Error())
}
stmt, err := conn.Prepare("DO 1")
if err != nil {
t.Fatalf("error preparing statement: %s", err.Error())
}
_, err = stmt.Exec(nil)
if err != nil {
t.Fatalf("error executing statement: %s", err.Error())
}
err = conn.Close()
if err != nil {
t.Fatalf("error closing connection: %s", err.Error())
}
defer func() {
if err := recover(); err != nil {
t.Errorf("panic after reusing a closed connection: %v", err)
}
}()
_, err = stmt.Exec(nil)
if err != nil && err != driver.ErrBadConn {
t.Errorf("unexpected error '%s', expected '%s'",
err.Error(), driver.ErrBadConn.Error())
}
}
func TestCharset(t *testing.T) {
if !available {
t.Skipf("MySQL server not running on %s", netAddr)
}
mustSetCharset := func(charsetParam, expected string) {
runTests(t, dsn+"&"+charsetParam, func(dbt *DBTest) {
rows := dbt.mustQuery("SELECT @@character_set_connection")
defer rows.Close()
if !rows.Next() {
dbt.Fatalf("error getting connection charset: %s", rows.Err())
}
var got string
rows.Scan(&got)
if got != expected {
dbt.Fatalf("expected connection charset %s but got %s", expected, got)
}
})
}
// non utf8 test
mustSetCharset("charset=ascii", "ascii")
// when the first charset is invalid, use the second
mustSetCharset("charset=none,utf8", "utf8")
// when the first charset is valid, use it
mustSetCharset("charset=ascii,utf8", "ascii")
mustSetCharset("charset=utf8,ascii", "utf8")
}
func TestFailingCharset(t *testing.T) {
runTests(t, dsn+"&charset=none", func(dbt *DBTest) {
// run query to really establish connection...
_, err := dbt.db.Exec("SELECT 1")
if err == nil {
dbt.db.Close()
t.Fatalf("connection must not succeed without a valid charset")
}
})
}
func TestCollation(t *testing.T) {
if !available {
t.Skipf("MySQL server not running on %s", netAddr)
}
defaultCollation := "utf8_general_ci"
testCollations := []string{
"", // do not set
defaultCollation, // driver default
"latin1_general_ci",
"binary",
"utf8_unicode_ci",
"cp1257_bin",
}
for _, collation := range testCollations {
var expected, tdsn string
if collation != "" {
tdsn = dsn + "&collation=" + collation
expected = collation
} else {
tdsn = dsn
expected = defaultCollation
}
runTests(t, tdsn, func(dbt *DBTest) {
var got string
if err := dbt.db.QueryRow("SELECT @@collation_connection").Scan(&got); err != nil {
dbt.Fatal(err)
}
if got != expected {
dbt.Fatalf("expected connection collation %s but got %s", expected, got)
}
})
}
}
func TestColumnsWithAlias(t *testing.T) {
runTests(t, dsn+"&columnsWithAlias=true", func(dbt *DBTest) {
rows := dbt.mustQuery("SELECT 1 AS A")
defer rows.Close()
cols, _ := rows.Columns()
if len(cols) != 1 {
t.Fatalf("expected 1 column, got %d", len(cols))
}
if cols[0] != "A" {
t.Fatalf("expected column name \"A\", got \"%s\"", cols[0])
}
rows.Close()
rows = dbt.mustQuery("SELECT * FROM (SELECT 1 AS one) AS A")
cols, _ = rows.Columns()
if len(cols) != 1 {
t.Fatalf("expected 1 column, got %d", len(cols))
}
if cols[0] != "A.one" {
t.Fatalf("expected column name \"A.one\", got \"%s\"", cols[0])
}
})
}
func TestRawBytesResultExceedsBuffer(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
// defaultBufSize from buffer.go
expected := strings.Repeat("abc", defaultBufSize)
rows := dbt.mustQuery("SELECT '" + expected + "'")
defer rows.Close()
if !rows.Next() {
dbt.Error("expected result, got none")
}
var result sql.RawBytes
rows.Scan(&result)
if expected != string(result) {
dbt.Error("result did not match expected value")
}
})
}
func TestTimezoneConversion(t *testing.T) {
zones := []string{"UTC", "US/Central", "US/Pacific", "Local"}
// Regression test for timezone handling
tzTest := func(dbt *DBTest) {
// Create table
dbt.mustExec("CREATE TABLE test (ts TIMESTAMP)")
// Insert local time into database (should be converted)
usCentral, _ := time.LoadLocation("US/Central")
reftime := time.Date(2014, 05, 30, 18, 03, 17, 0, time.UTC).In(usCentral)
dbt.mustExec("INSERT INTO test VALUE (?)", reftime)
// Retrieve time from DB
rows := dbt.mustQuery("SELECT ts FROM test")
if !rows.Next() {
dbt.Fatal("did not get any rows out")
}
var dbTime time.Time
err := rows.Scan(&dbTime)
if err != nil {
dbt.Fatal("Err", err)
}
// Check that dates match
if reftime.Unix() != dbTime.Unix() {
dbt.Errorf("times do not match.\n")
dbt.Errorf(" Now(%v)=%v\n", usCentral, reftime)
dbt.Errorf(" Now(UTC)=%v\n", dbTime)
}
}
for _, tz := range zones {
runTests(t, dsn+"&parseTime=true&loc="+url.QueryEscape(tz), tzTest)
}
}
// Special cases
func TestRowsClose(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
rows, err := dbt.db.Query("SELECT 1")
if err != nil {
dbt.Fatal(err)
}
err = rows.Close()
if err != nil {
dbt.Fatal(err)
}
if rows.Next() {
dbt.Fatal("unexpected row after rows.Close()")
}
err = rows.Err()
if err != nil {
dbt.Fatal(err)
}
})
}
// dangling statements
// http://code.google.com/p/go/issues/detail?id=3865
func TestCloseStmtBeforeRows(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
stmt, err := dbt.db.Prepare("SELECT 1")
if err != nil {
dbt.Fatal(err)
}
rows, err := stmt.Query()
if err != nil {
stmt.Close()
dbt.Fatal(err)
}
defer rows.Close()
err = stmt.Close()
if err != nil {
dbt.Fatal(err)
}
if !rows.Next() {
dbt.Fatal("getting row failed")
} else {
err = rows.Err()
if err != nil {
dbt.Fatal(err)
}
var out bool
err = rows.Scan(&out)
if err != nil {
dbt.Fatalf("error on rows.Scan(): %s", err.Error())
}
if out != true {
dbt.Errorf("true != %t", out)
}
}
})
}
// It is valid to have multiple Rows for the same Stmt
// http://code.google.com/p/go/issues/detail?id=3734
func TestStmtMultiRows(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
stmt, err := dbt.db.Prepare("SELECT 1 UNION SELECT 0")
if err != nil {
dbt.Fatal(err)
}
rows1, err := stmt.Query()
if err != nil {
stmt.Close()
dbt.Fatal(err)
}
defer rows1.Close()
rows2, err := stmt.Query()
if err != nil {
stmt.Close()
dbt.Fatal(err)
}
defer rows2.Close()
var out bool
// 1
if !rows1.Next() {
dbt.Fatal("first rows1.Next failed")
} else {
err = rows1.Err()
if err != nil {
dbt.Fatal(err)
}
err = rows1.Scan(&out)
if err != nil {
dbt.Fatalf("error on rows.Scan(): %s", err.Error())
}
if out != true {
dbt.Errorf("true != %t", out)
}
}
if !rows2.Next() {
dbt.Fatal("first rows2.Next failed")
} else {
err = rows2.Err()
if err != nil {
dbt.Fatal(err)
}
err = rows2.Scan(&out)
if err != nil {
dbt.Fatalf("error on rows.Scan(): %s", err.Error())
}
if out != true {
dbt.Errorf("true != %t", out)
}
}
// 2
if !rows1.Next() {
dbt.Fatal("second rows1.Next failed")
} else {
err = rows1.Err()
if err != nil {
dbt.Fatal(err)
}
err = rows1.Scan(&out)
if err != nil {
dbt.Fatalf("error on rows.Scan(): %s", err.Error())
}
if out != false {
dbt.Errorf("false != %t", out)
}
if rows1.Next() {
dbt.Fatal("unexpected row on rows1")
}
err = rows1.Close()
if err != nil {
dbt.Fatal(err)
}
}
if !rows2.Next() {
dbt.Fatal("second rows2.Next failed")
} else {
err = rows2.Err()
if err != nil {
dbt.Fatal(err)
}
err = rows2.Scan(&out)
if err != nil {
dbt.Fatalf("error on rows.Scan(): %s", err.Error())
}
if out != false {
dbt.Errorf("false != %t", out)
}
if rows2.Next() {
dbt.Fatal("unexpected row on rows2")
}
err = rows2.Close()
if err != nil {
dbt.Fatal(err)
}
}
})
}
// Regression test for
// * more than 32 NULL parameters (issue 209)
// * more parameters than fit into the buffer (issue 201)
func TestPreparedManyCols(t *testing.T) {
const numParams = defaultBufSize
runTests(t, dsn, func(dbt *DBTest) {
query := "SELECT ?" + strings.Repeat(",?", numParams-1)
stmt, err := dbt.db.Prepare(query)
if err != nil {
dbt.Fatal(err)
}
defer stmt.Close()
// create more parameters than fit into the buffer
// which will take nil-values
params := make([]interface{}, numParams)
rows, err := stmt.Query(params...)
if err != nil {
stmt.Close()
dbt.Fatal(err)
}
defer rows.Close()
})
}
func TestConcurrent(t *testing.T) {
if enabled, _ := readBool(os.Getenv("MYSQL_TEST_CONCURRENT")); !enabled {
t.Skip("MYSQL_TEST_CONCURRENT env var not set")
}
runTests(t, dsn, func(dbt *DBTest) {
var max int
err := dbt.db.QueryRow("SELECT @@max_connections").Scan(&max)
if err != nil {
dbt.Fatalf("%s", err.Error())
}
dbt.Logf("testing up to %d concurrent connections \r\n", max)
var remaining, succeeded int32 = int32(max), 0
var wg sync.WaitGroup
wg.Add(max)
var fatalError string
var once sync.Once
fatalf := func(s string, vals ...interface{}) {
once.Do(func() {
fatalError = fmt.Sprintf(s, vals...)
})
}
for i := 0; i < max; i++ {
go func(id int) {
defer wg.Done()
tx, err := dbt.db.Begin()
atomic.AddInt32(&remaining, -1)
if err != nil {
if err.Error() != "Error 1040: Too many connections" {
fatalf("error on conn %d: %s", id, err.Error())
}
return
}
// keep the connection busy until all connections are open
for remaining > 0 {
if _, err = tx.Exec("DO 1"); err != nil {
fatalf("error on conn %d: %s", id, err.Error())
return
}
}
if err = tx.Commit(); err != nil {
fatalf("error on conn %d: %s", id, err.Error())
return
}
// everything went fine with this connection
atomic.AddInt32(&succeeded, 1)
}(i)
}
// wait until all conections are open
wg.Wait()
if fatalError != "" {
dbt.Fatal(fatalError)
}
dbt.Logf("reached %d concurrent connections\r\n", succeeded)
})
}
// Tests custom dial functions
func TestCustomDial(t *testing.T) {
if !available {
t.Skipf("MySQL server not running on %s", netAddr)
}
// our custom dial function which justs wraps net.Dial here
RegisterDial("mydial", func(addr string) (net.Conn, error) {
return net.Dial(prot, addr)
})
db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@mydial(%s)/%s?timeout=30s&strict=true", user, pass, addr, dbname))
if err != nil {
t.Fatalf("error connecting: %s", err.Error())
}
defer db.Close()
if _, err = db.Exec("DO 1"); err != nil {
t.Fatalf("connection failed: %s", err.Error())
}
}
func TestSQLInjection(t *testing.T) {
createTest := func(arg string) func(dbt *DBTest) {
return func(dbt *DBTest) {
dbt.mustExec("CREATE TABLE test (v INTEGER)")
dbt.mustExec("INSERT INTO test VALUES (?)", 1)
var v int
// NULL can't be equal to anything, the idea here is to inject query so it returns row
// This test verifies that escapeQuotes and escapeBackslash are working properly
err := dbt.db.QueryRow("SELECT v FROM test WHERE NULL = ?", arg).Scan(&v)
if err == sql.ErrNoRows {
return // success, sql injection failed
} else if err == nil {
dbt.Errorf("sql injection successful with arg: %s", arg)
} else {
dbt.Errorf("error running query with arg: %s; err: %s", arg, err.Error())
}
}
}
dsns := []string{
dsn,
dsn + "&sql_mode='NO_BACKSLASH_ESCAPES,NO_AUTO_CREATE_USER'",
}
for _, testdsn := range dsns {
runTests(t, testdsn, createTest("1 OR 1=1"))
runTests(t, testdsn, createTest("' OR '1'='1"))
}
}
// Test if inserted data is correctly retrieved after being escaped
func TestInsertRetrieveEscapedData(t *testing.T) {
testData := func(dbt *DBTest) {
dbt.mustExec("CREATE TABLE test (v VARCHAR(255))")
// All sequences that are escaped by escapeQuotes and escapeBackslash
v := "foo \x00\n\r\x1a\"'\\"
dbt.mustExec("INSERT INTO test VALUES (?)", v)
var out string
err := dbt.db.QueryRow("SELECT v FROM test").Scan(&out)
if err != nil {
dbt.Fatalf("%s", err.Error())
}
if out != v {
dbt.Errorf("%q != %q", out, v)
}
}
dsns := []string{
dsn,
dsn + "&sql_mode='NO_BACKSLASH_ESCAPES,NO_AUTO_CREATE_USER'",
}
for _, testdsn := range dsns {
runTests(t, testdsn, testData)
}
}
func TestUnixSocketAuthFail(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
// Save the current logger so we can restore it.
oldLogger := errLog
// Set a new logger so we can capture its output.
buffer := bytes.NewBuffer(make([]byte, 0, 64))
newLogger := log.New(buffer, "prefix: ", 0)
SetLogger(newLogger)
// Restore the logger.
defer SetLogger(oldLogger)
// Make a new DSN that uses the MySQL socket file and a bad password, which
// we can make by simply appending any character to the real password.
badPass := pass + "x"
socket := ""
if prot == "unix" {
socket = addr
} else {
// Get socket file from MySQL.
err := dbt.db.QueryRow("SELECT @@socket").Scan(&socket)
if err != nil {
t.Fatalf("error on SELECT @@socket: %s", err.Error())
}
}
t.Logf("socket: %s", socket)
badDSN := fmt.Sprintf("%s:%s@unix(%s)/%s?timeout=30s&strict=true", user, badPass, socket, dbname)
db, err := sql.Open("mysql", badDSN)
if err != nil {
t.Fatalf("error connecting: %s", err.Error())
}
defer db.Close()
// Connect to MySQL for real. This will cause an auth failure.
err = db.Ping()
if err == nil {
t.Error("expected Ping() to return an error")
}
// The driver should not log anything.
if actual := buffer.String(); actual != "" {
t.Errorf("expected no output, got %q", actual)
}
})
}
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