Konfi-Castle-Kasino/vendor/github.com/denisenkom/go-mssqldb/queries_test.go

1111 lines
29 KiB
Go

package mssql
import (
"bytes"
"context"
"database/sql"
"database/sql/driver"
"fmt"
"math"
"net"
"strings"
"testing"
"time"
)
func driverWithProcess(t *testing.T) *MssqlDriver {
return &MssqlDriver{
log: optionalLogger{testLogger{t}},
processQueryText: true,
}
}
func driverNoProcess(t *testing.T) *MssqlDriver {
return &MssqlDriver{
log: optionalLogger{testLogger{t}},
processQueryText: false,
}
}
func TestSelect(t *testing.T) {
conn := open(t)
defer conn.Close()
type testStruct struct {
sql string
val interface{}
}
longstr := strings.Repeat("x", 10000)
values := []testStruct{
{"1", int64(1)},
{"-1", int64(-1)},
{"cast(1 as int)", int64(1)},
{"cast(-1 as int)", int64(-1)},
{"cast(1 as tinyint)", int64(1)},
{"cast(255 as tinyint)", int64(255)},
{"cast(1 as smallint)", int64(1)},
{"cast(-1 as smallint)", int64(-1)},
{"cast(1 as bigint)", int64(1)},
{"cast(-1 as bigint)", int64(-1)},
{"cast(1 as bit)", true},
{"cast(0 as bit)", false},
{"'abc'", string("abc")},
{"cast(0.5 as float)", float64(0.5)},
{"cast(0.5 as real)", float64(0.5)},
{"cast(1 as decimal)", []byte("1")},
{"cast(1.2345 as money)", []byte("1.2345")},
{"cast(-1.2345 as money)", []byte("-1.2345")},
{"cast(1.2345 as smallmoney)", []byte("1.2345")},
{"cast(-1.2345 as smallmoney)", []byte("-1.2345")},
{"cast(0.5 as decimal(18,1))", []byte("0.5")},
{"cast(-0.5 as decimal(18,1))", []byte("-0.5")},
{"cast(-0.5 as numeric(18,1))", []byte("-0.5")},
{"cast(4294967296 as numeric(20,0))", []byte("4294967296")},
{"cast(-0.5 as numeric(18,2))", []byte("-0.50")},
{"N'abc'", string("abc")},
{"cast(null as nvarchar(3))", nil},
{"NULL", nil},
{"cast('2000-01-01' as datetime)", time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC)},
{"cast('2000-01-01T12:13:14.12' as datetime)",
time.Date(2000, 1, 1, 12, 13, 14, 120000000, time.UTC)},
{"cast('2014-06-26 11:08:09.673' as datetime)", time.Date(2014, 06, 26, 11, 8, 9, 673000000, time.UTC)},
{"cast(NULL as datetime)", nil},
{"cast('2000-01-01T12:13:00' as smalldatetime)",
time.Date(2000, 1, 1, 12, 13, 0, 0, time.UTC)},
{"cast(0x6F9619FF8B86D011B42D00C04FC964FF as uniqueidentifier)",
[]byte{0x6F, 0x96, 0x19, 0xFF, 0x8B, 0x86, 0xD0, 0x11, 0xB4, 0x2D, 0x00, 0xC0, 0x4F, 0xC9, 0x64, 0xFF}},
{"cast(NULL as uniqueidentifier)", nil},
{"cast(0x1234 as varbinary(2))", []byte{0x12, 0x34}},
{"cast(N'abc' as nvarchar(max))", "abc"},
{"cast(null as nvarchar(max))", nil},
{"cast('<root/>' as xml)", "<root/>"},
{"cast('abc' as text)", "abc"},
{"cast(null as text)", nil},
{"cast(N'abc' as ntext)", "abc"},
{"cast(0x1234 as image)", []byte{0x12, 0x34}},
{"cast('abc' as char(3))", "abc"},
{"cast('abc' as varchar(3))", "abc"},
{"cast(N'проверка' as nvarchar(max))", "проверка"},
{"cast(N'Δοκιμή' as nvarchar(max))", "Δοκιμή"},
{"cast(cast(N'สวัสดี' as nvarchar(max)) collate Thai_CI_AI as varchar(max))", "สวัสดี"}, // cp874
{"cast(cast(N'你好' as nvarchar(max)) collate Chinese_PRC_CI_AI as varchar(max))", "你好"}, // cp936
{"cast(cast(N'こんにちは' as nvarchar(max)) collate Japanese_CI_AI as varchar(max))", "こんにちは"}, // cp939
{"cast(cast(N'안녕하세요.' as nvarchar(max)) collate Korean_90_CI_AI as varchar(max))", "안녕하세요."}, // cp949
{"cast(cast(N'你好' as nvarchar(max)) collate Chinese_Hong_Kong_Stroke_90_CI_AI as varchar(max))", "你好"}, // cp950
{"cast(cast(N'cześć' as nvarchar(max)) collate Polish_CI_AI as varchar(max))", "cześć"}, // cp1250
{"cast(cast(N'Алло' as nvarchar(max)) collate Cyrillic_General_CI_AI as varchar(max))", "Алло"}, // cp1251
{"cast(cast(N'Bonjour' as nvarchar(max)) collate French_CI_AI as varchar(max))", "Bonjour"}, // cp1252
{"cast(cast(N'Γεια σας' as nvarchar(max)) collate Greek_CI_AI as varchar(max))", "Γεια σας"}, // cp1253
{"cast(cast(N'Merhaba' as nvarchar(max)) collate Turkish_CI_AI as varchar(max))", "Merhaba"}, // cp1254
{"cast(cast(N'שלום' as nvarchar(max)) collate Hebrew_CI_AI as varchar(max))", "שלום"}, // cp1255
{"cast(cast(N'مرحبا' as nvarchar(max)) collate Arabic_CI_AI as varchar(max))", "مرحبا"}, // cp1256
{"cast(cast(N'Sveiki' as nvarchar(max)) collate Lithuanian_CI_AI as varchar(max))", "Sveiki"}, // cp1257
{"cast(cast(N'chào' as nvarchar(max)) collate Vietnamese_CI_AI as varchar(max))", "chào"}, // cp1258
{fmt.Sprintf("cast(N'%s' as nvarchar(max))", longstr), longstr},
{"cast(NULL as sql_variant)", nil},
{"cast(cast(0x6F9619FF8B86D011B42D00C04FC964FF as uniqueidentifier) as sql_variant)",
[]byte{0x6F, 0x96, 0x19, 0xFF, 0x8B, 0x86, 0xD0, 0x11, 0xB4, 0x2D, 0x00, 0xC0, 0x4F, 0xC9, 0x64, 0xFF}},
{"cast(cast(1 as bit) as sql_variant)", true},
{"cast(cast(10 as tinyint) as sql_variant)", int64(10)},
{"cast(cast(-10 as smallint) as sql_variant)", int64(-10)},
{"cast(cast(-20 as int) as sql_variant)", int64(-20)},
{"cast(cast(-20 as bigint) as sql_variant)", int64(-20)},
{"cast(cast('2000-01-01' as datetime) as sql_variant)", time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC)},
{"cast(cast('2000-01-01T12:13:00' as smalldatetime) as sql_variant)",
time.Date(2000, 1, 1, 12, 13, 0, 0, time.UTC)},
{"cast(cast(0.125 as real) as sql_variant)", float64(0.125)},
{"cast(cast(0.125 as float) as sql_variant)", float64(0.125)},
{"cast(cast(1.2345 as smallmoney) as sql_variant)", []byte("1.2345")},
{"cast(cast(1.2345 as money) as sql_variant)", []byte("1.2345")},
{"cast(cast(0x1234 as varbinary(2)) as sql_variant)", []byte{0x12, 0x34}},
{"cast(cast(0x1234 as binary(2)) as sql_variant)", []byte{0x12, 0x34}},
{"cast(cast(-0.5 as decimal(18,1)) as sql_variant)", []byte("-0.5")},
{"cast(cast(-0.5 as numeric(18,1)) as sql_variant)", []byte("-0.5")},
{"cast(cast('abc' as varchar(3)) as sql_variant)", "abc"},
{"cast(cast('abc' as char(3)) as sql_variant)", "abc"},
{"cast(N'abc' as sql_variant)", "abc"},
}
for _, test := range values {
stmt, err := conn.Prepare("select " + test.sql)
if err != nil {
t.Error("Prepare failed:", test.sql, err.Error())
return
}
defer stmt.Close()
row := stmt.QueryRow()
var retval interface{}
err = row.Scan(&retval)
if err != nil {
t.Error("Scan failed:", test.sql, err.Error())
continue
}
var same bool
switch decodedval := retval.(type) {
case []byte:
switch decodedvaltest := test.val.(type) {
case []byte:
same = bytes.Equal(decodedval, decodedvaltest)
default:
same = false
}
default:
same = retval == test.val
}
if !same {
t.Errorf("Values don't match '%s' '%s' for test: %s", retval, test.val, test.sql)
continue
}
}
}
func TestSelectDateTimeOffset(t *testing.T) {
type testStruct struct {
sql string
val time.Time
}
values := []testStruct{
{"cast('2010-11-15T11:56:45.123+01:00' as datetimeoffset(3))",
time.Date(2010, 11, 15, 11, 56, 45, 123000000, time.FixedZone("", 60*60))},
{"cast(cast('2010-11-15T11:56:45.123+10:00' as datetimeoffset(3)) as sql_variant)",
time.Date(2010, 11, 15, 11, 56, 45, 123000000, time.FixedZone("", 10*60*60))},
}
conn := open(t)
defer conn.Close()
for _, test := range values {
row := conn.QueryRow("select " + test.sql)
var retval interface{}
err := row.Scan(&retval)
if err != nil {
t.Error("Scan failed:", test.sql, err.Error())
continue
}
retvalDate := retval.(time.Time)
if retvalDate.UTC() != test.val.UTC() {
t.Errorf("UTC values don't match '%v' '%v' for test: %s", retvalDate, test.val, test.sql)
continue
}
if retvalDate.String() != test.val.String() {
t.Errorf("Locations don't match '%v' '%v' for test: %s", retvalDate.String(), test.val.String(), test.sql)
continue
}
}
}
func TestSelectNewTypes(t *testing.T) {
conn := open(t)
defer conn.Close()
var ver string
err := conn.QueryRow("select SERVERPROPERTY('productversion')").Scan(&ver)
if err != nil {
t.Fatalf("cannot select productversion: %s", err)
}
var n int
_, err = fmt.Sscanf(ver, "%d", &n)
if err != nil {
t.Fatalf("cannot parse productversion: %s", err)
}
// 8 is SQL 2000, 9 is SQL 2005, 10 is SQL 2008, 11 is SQL 2012
if n < 10 {
return
}
// run tests for new data types available only in SQL Server 2008 and later
type testStruct struct {
sql string
val interface{}
}
values := []testStruct{
{"cast('2000-01-01' as date)",
time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC)},
{"cast(NULL as date)", nil},
{"cast('00:00:45.123' as time(3))",
time.Date(1, 1, 1, 00, 00, 45, 123000000, time.UTC)},
{"cast('11:56:45.123' as time(3))",
time.Date(1, 1, 1, 11, 56, 45, 123000000, time.UTC)},
{"cast('11:56:45' as time(0))",
time.Date(1, 1, 1, 11, 56, 45, 0, time.UTC)},
{"cast('2010-11-15T11:56:45.123' as datetime2(3))",
time.Date(2010, 11, 15, 11, 56, 45, 123000000, time.UTC)},
{"cast('2010-11-15T11:56:45' as datetime2(0))",
time.Date(2010, 11, 15, 11, 56, 45, 0, time.UTC)},
{"cast(cast('2000-01-01' as date) as sql_variant)",
time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC)},
{"cast(cast('00:00:45.123' as time(3)) as sql_variant)",
time.Date(1, 1, 1, 00, 00, 45, 123000000, time.UTC)},
{"cast(cast('2010-11-15T11:56:45.123' as datetime2(3)) as sql_variant)",
time.Date(2010, 11, 15, 11, 56, 45, 123000000, time.UTC)},
}
for _, test := range values {
stmt, err := conn.Prepare("select " + test.sql)
if err != nil {
t.Error("Prepare failed:", test.sql, err.Error())
return
}
defer stmt.Close()
row := stmt.QueryRow()
var retval interface{}
err = row.Scan(&retval)
if err != nil {
t.Error("Scan failed:", test.sql, err.Error())
continue
}
if retval != test.val {
t.Errorf("Values don't match '%s' '%s' for test: %s", retval, test.val, test.sql)
continue
}
}
}
func TestTrans(t *testing.T) {
conn := open(t)
defer conn.Close()
var tx *sql.Tx
var err error
if tx, err = conn.Begin(); err != nil {
t.Fatal("Begin failed", err.Error())
}
if err = tx.Commit(); err != nil {
t.Fatal("Commit failed", err.Error())
}
if tx, err = conn.Begin(); err != nil {
t.Fatal("Begin failed", err.Error())
}
if _, err = tx.Exec("create table #abc (fld int)"); err != nil {
t.Fatal("Create table failed", err.Error())
}
if err = tx.Rollback(); err != nil {
t.Fatal("Rollback failed", err.Error())
}
}
func TestParams(t *testing.T) {
longstr := strings.Repeat("x", 10000)
longbytes := make([]byte, 10000)
values := []interface{}{
int64(5),
"hello",
"",
[]byte{1, 2, 3},
[]byte{},
float64(1.12313554),
true,
false,
nil,
longstr,
longbytes,
}
conn := open(t)
defer conn.Close()
for _, val := range values {
row := conn.QueryRow("select ?", val)
var retval interface{}
err := row.Scan(&retval)
if err != nil {
t.Error("Scan failed", err.Error())
return
}
var same bool
switch decodedval := retval.(type) {
case []byte:
switch decodedvaltest := val.(type) {
case []byte:
same = bytes.Equal(decodedval, decodedvaltest)
default:
same = false
}
default:
same = retval == val
}
if !same {
t.Error("Value don't match", retval, val)
return
}
}
}
func TestExec(t *testing.T) {
conn := open(t)
defer conn.Close()
res, err := conn.Exec("create table #abc (fld int)")
if err != nil {
t.Fatal("Exec failed", err.Error())
}
_ = res
}
func TestShortTimeout(t *testing.T) {
if testing.Short() {
t.Skip("short")
}
checkConnStr(t)
SetLogger(testLogger{t})
dsn := makeConnStr(t)
dsnParams := dsn.Query()
dsnParams.Set("Connection Timeout", "2")
dsn.RawQuery = dsnParams.Encode()
conn, err := sql.Open("mssql", dsn.String())
if err != nil {
t.Fatal("Open connection failed:", err.Error())
}
defer conn.Close()
_, err = conn.Exec("waitfor delay '00:00:15'")
if err == nil {
t.Fatal("Exec should fail with timeout, but no failure occurred")
}
if neterr, ok := err.(net.Error); !ok || !neterr.Timeout() {
t.Fatal("failure not a timeout, failed with", err)
}
// connection should be usable after timeout
row := conn.QueryRow("select 1")
var val int64
err = row.Scan(&val)
if err != nil {
t.Fatal("Scan failed with", err)
}
}
func TestTwoQueries(t *testing.T) {
conn := open(t)
defer conn.Close()
rows, err := conn.Query("select 1")
if err != nil {
t.Fatal("First exec failed", err)
}
if !rows.Next() {
t.Fatal("First query didn't return row")
}
var i int
if err = rows.Scan(&i); err != nil {
t.Fatal("Scan failed", err)
}
if i != 1 {
t.Fatalf("Wrong value returned %d, should be 1", i)
}
if rows, err = conn.Query("select 2"); err != nil {
t.Fatal("Second query failed", err)
}
if !rows.Next() {
t.Fatal("Second query didn't return row")
}
if err = rows.Scan(&i); err != nil {
t.Fatal("Scan failed", err)
}
if i != 2 {
t.Fatalf("Wrong value returned %d, should be 2", i)
}
}
func TestError(t *testing.T) {
conn := open(t)
defer conn.Close()
_, err := conn.Query("exec bad")
if err == nil {
t.Fatal("Query should fail")
}
if sqlerr, ok := err.(Error); !ok {
t.Fatalf("Should be sql error, actually %T, %v", err, err)
} else {
if sqlerr.Number != 2812 { // Could not find stored procedure 'bad'
t.Fatalf("Should be specific error code 2812, actually %d %s", sqlerr.Number, sqlerr)
}
}
}
func TestQueryNoRows(t *testing.T) {
conn := open(t)
defer conn.Close()
var rows *sql.Rows
var err error
if rows, err = conn.Query("create table #abc (fld int)"); err != nil {
t.Fatal("Query failed", err)
}
if rows.Next() {
t.Fatal("Query shoulnd't return any rows")
}
}
func TestQueryManyNullsRow(t *testing.T) {
conn := open(t)
defer conn.Close()
var row *sql.Row
var err error
if row = conn.QueryRow("select null, null, null, null, null, null, null, null"); err != nil {
t.Fatal("Query failed", err)
}
var v [8]sql.NullInt64
if err = row.Scan(&v[0], &v[1], &v[2], &v[3], &v[4], &v[5], &v[6], &v[7]); err != nil {
t.Fatal("Scan failed", err)
}
}
func TestOrderBy(t *testing.T) {
conn := open(t)
defer conn.Close()
tx, err := conn.Begin()
if err != nil {
t.Fatal("Begin tran failed", err)
}
defer tx.Rollback()
_, err = tx.Exec("if (exists(select * from INFORMATION_SCHEMA.TABLES where TABLE_NAME='tbl')) drop table tbl")
if err != nil {
t.Fatal("Drop table failed", err)
}
_, err = tx.Exec("create table tbl (fld1 int primary key, fld2 int)")
if err != nil {
t.Fatal("Create table failed", err)
}
_, err = tx.Exec("insert into tbl (fld1, fld2) values (1, 2)")
if err != nil {
t.Fatal("Insert failed", err)
}
_, err = tx.Exec("insert into tbl (fld1, fld2) values (2, 1)")
if err != nil {
t.Fatal("Insert failed", err)
}
rows, err := tx.Query("select * from tbl order by fld1")
if err != nil {
t.Fatal("Query failed", err)
}
for rows.Next() {
var fld1 int32
var fld2 int32
err = rows.Scan(&fld1, &fld2)
if err != nil {
t.Fatal("Scan failed", err)
}
}
err = rows.Err()
if err != nil {
t.Fatal("Rows have errors", err)
}
}
func TestScanDecimal(t *testing.T) {
conn := open(t)
defer conn.Close()
var f float64
err := conn.QueryRow("select cast(0.5 as numeric(25,1))").Scan(&f)
if err != nil {
t.Error("query row / scan failed:", err.Error())
return
}
if math.Abs(f-0.5) > 0.000001 {
t.Error("Value is not 0.5:", f)
return
}
var s string
err = conn.QueryRow("select cast(-0.05 as numeric(25,2))").Scan(&s)
if err != nil {
t.Error("query row / scan failed:", err.Error())
return
}
if s != "-0.05" {
t.Error("Value is not -0.05:", s)
return
}
}
func TestAffectedRows(t *testing.T) {
conn := open(t)
defer conn.Close()
tx, err := conn.Begin()
if err != nil {
t.Fatal("Begin tran failed", err)
}
defer tx.Rollback()
res, err := tx.Exec("create table #foo (bar int)")
if err != nil {
t.Fatal("create table failed")
}
n, err := res.RowsAffected()
if err != nil {
t.Fatal("rows affected failed")
}
if n != 0 {
t.Error("Expected 0 rows affected, got ", n)
}
res, err = tx.Exec("insert into #foo (bar) values (1)")
if err != nil {
t.Fatal("insert failed")
}
n, err = res.RowsAffected()
if err != nil {
t.Fatal("rows affected failed")
}
if n != 1 {
t.Error("Expected 1 row affected, got ", n)
}
res, err = tx.Exec("insert into #foo (bar) values (?)", 2)
if err != nil {
t.Fatal("insert failed")
}
n, err = res.RowsAffected()
if err != nil {
t.Fatal("rows affected failed")
}
if n != 1 {
t.Error("Expected 1 row affected, got ", n)
}
}
func TestIdentity(t *testing.T) {
conn := open(t)
defer conn.Close()
tx, err := conn.Begin()
if err != nil {
t.Fatal("Begin tran failed", err)
}
defer tx.Rollback()
res, err := tx.Exec("create table #foo (bar int identity, baz int unique)")
if err != nil {
t.Fatal("create table failed")
}
res, err = tx.Exec("insert into #foo (baz) values (1)")
if err != nil {
t.Fatal("insert failed")
}
n, err := res.LastInsertId()
if err != nil {
t.Fatal("last insert id failed")
}
if n != 1 {
t.Error("Expected 1 for identity, got ", n)
}
res, err = tx.Exec("insert into #foo (baz) values (20)")
if err != nil {
t.Fatal("insert failed")
}
n, err = res.LastInsertId()
if err != nil {
t.Fatal("last insert id failed")
}
if n != 2 {
t.Error("Expected 2 for identity, got ", n)
}
res, err = tx.Exec("insert into #foo (baz) values (1)")
if err == nil {
t.Fatal("insert should fail")
}
res, err = tx.Exec("insert into #foo (baz) values (?)", 1)
if err == nil {
t.Fatal("insert should fail")
}
}
func TestDateTimeParam(t *testing.T) {
conn := open(t)
defer conn.Close()
type testStruct struct {
t time.Time
}
values := []testStruct{
{time.Date(2004, 6, 3, 12, 13, 14, 150000000, time.UTC)},
{time.Date(4, 6, 3, 12, 13, 14, 150000000, time.UTC)},
}
for _, test := range values {
var t2 time.Time
err := conn.QueryRow("select ?", test.t).Scan(&t2)
if err != nil {
t.Error("select / scan failed", err.Error())
continue
}
if test.t.Sub(t2) != 0 {
t.Errorf("datetime does not match: '%s' '%s' delta: %d", test.t, t2, test.t.Sub(t2))
}
}
}
func TestUniqueIdentifierParam(t *testing.T) {
conn := open(t)
defer conn.Close()
type testStruct struct {
name string
uuid interface{}
}
expected := UniqueIdentifier{0x01, 0x23, 0x45, 0x67,
0x89, 0xAB,
0xCD, 0xEF,
0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
}
values := []testStruct{
{
"[]byte",
[]byte{0x67, 0x45, 0x23, 0x01,
0xAB, 0x89,
0xEF, 0xCD,
0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF}},
{
"string",
"01234567-89ab-cdef-0123-456789abcdef"},
}
for _, test := range values {
t.Run(test.name, func(t *testing.T) {
var uuid2 UniqueIdentifier
err := conn.QueryRow("select ?", test.uuid).Scan(&uuid2)
if err != nil {
t.Fatal("select / scan failed", err.Error())
}
if expected != uuid2 {
t.Errorf("uniqueidentifier does not match: '%s' '%s'", expected, uuid2)
}
})
}
}
func TestBigQuery(t *testing.T) {
conn := open(t)
defer conn.Close()
rows, err := conn.Query(`WITH n(n) AS
(
SELECT 1
UNION ALL
SELECT n+1 FROM n WHERE n < 10000
)
SELECT n, @@version FROM n ORDER BY n
OPTION (MAXRECURSION 10000);`)
if err != nil {
t.Fatal("cannot exec query", err)
}
rows.Next()
rows.Close()
var res int
err = conn.QueryRow("select 0").Scan(&res)
if err != nil {
t.Fatal("cannot scan value", err)
}
if res != 0 {
t.Fatal("expected 0, got ", res)
}
}
func TestBug32(t *testing.T) {
conn := open(t)
defer conn.Close()
tx, err := conn.Begin()
if err != nil {
t.Fatal("Begin tran failed", err)
}
defer tx.Rollback()
_, err = tx.Exec("if (exists(select * from INFORMATION_SCHEMA.TABLES where TABLE_NAME='tbl')) drop table tbl")
if err != nil {
t.Fatal("Drop table failed", err)
}
_, err = tx.Exec("create table tbl(a int primary key,fld bit null)")
if err != nil {
t.Fatal("Create table failed", err)
}
_, err = tx.Exec("insert into tbl (a,fld) values (1,nullif(?, ''))", "")
if err != nil {
t.Fatal("Insert failed", err)
}
}
func TestIgnoreEmptyResults(t *testing.T) {
conn := open(t)
defer conn.Close()
rows, err := conn.Query("set nocount on; select 2")
if err != nil {
t.Fatal("Query failed", err.Error())
}
if !rows.Next() {
t.Fatal("Query didn't return row")
}
var fld1 int32
err = rows.Scan(&fld1)
if err != nil {
t.Fatal("Scan failed", err)
}
if fld1 != 2 {
t.Fatal("Returned value doesn't match")
}
}
func TestMssqlStmt_SetQueryNotification(t *testing.T) {
checkConnStr(t)
mssqldriver := driverWithProcess(t)
cn, err := mssqldriver.Open(makeConnStr(t).String())
stmt, err := cn.Prepare("SELECT 1")
if err != nil {
t.Error("Connection failed", err)
}
sqlstmt := stmt.(*MssqlStmt)
sqlstmt.SetQueryNotification("ABC", "service=WebCacheNotifications", time.Hour)
rows, err := sqlstmt.Query(nil)
if err == nil {
rows.Close()
}
// notifications are sent to Service Broker
// see for more info: https://github.com/denisenkom/go-mssqldb/pull/90
}
func TestErrorInfo(t *testing.T) {
conn := open(t)
defer conn.Close()
_, err := conn.Exec("select bad")
if sqlError, ok := err.(Error); ok {
if sqlError.SQLErrorNumber() != 207 /*invalid column name*/ {
t.Errorf("Query failed with unexpected error number %d %s", sqlError.SQLErrorNumber(), sqlError.SQLErrorMessage())
}
} else {
t.Error("Failed to convert error to SQLErorr", err)
}
}
func TestSetLanguage(t *testing.T) {
conn := open(t)
defer conn.Close()
_, err := conn.Exec("set language russian")
if err != nil {
t.Errorf("Query failed with unexpected error %s", err)
}
row := conn.QueryRow("select cast(getdate() as varchar(50))")
var val interface{}
err = row.Scan(&val)
if err != nil {
t.Errorf("Query failed with unexpected error %s", err)
}
t.Log("Returned value", val)
}
func TestConnectionClosing(t *testing.T) {
conn := open(t)
defer conn.Close()
for i := 1; i <= 100; i++ {
if conn.Stats().OpenConnections > 1 {
t.Errorf("Open connections is expected to stay <= 1, but it is %d", conn.Stats().OpenConnections)
return
}
stmt, err := conn.Query("select 1")
if err != nil {
t.Errorf("Query failed with unexpected error %s", err)
}
for stmt.Next() {
var val interface{}
err := stmt.Scan(&val)
if err != nil {
t.Errorf("Query failed with unexpected error %s", err)
}
}
}
}
func TestBeginTranError(t *testing.T) {
checkConnStr(t)
drv := driverWithProcess(t)
conn, err := drv.open(makeConnStr(t).String())
if err != nil {
t.Fatalf("Open failed with error %v", err)
}
defer conn.Close()
// close actual connection to make begin transaction to fail during sending of a packet
conn.sess.buf.transport.Close()
ctx := context.Background()
_, err = conn.begin(ctx, isolationSnapshot)
if err != driver.ErrBadConn {
t.Errorf("begin should fail with ErrBadConn but it returned %v", err)
}
// reopen connection
conn, err = drv.open(makeConnStr(t).String())
if err != nil {
t.Fatalf("Open failed with error %v", err)
}
err = conn.sendBeginRequest(ctx, isolationSerializable)
if err != nil {
t.Fatalf("sendBeginRequest failed with error %v", err)
}
// close connection to cause processBeginResponse to fail
conn.sess.buf.transport.Close()
_, err = conn.processBeginResponse(ctx)
switch err {
case nil:
t.Error("processBeginResponse should fail but it succeeded")
case driver.ErrBadConn:
t.Error("processBeginResponse should fail with error different from ErrBadConn but it did")
}
if conn.connectionGood {
t.Fatal("Connection should be in a bad state")
}
}
func TestCommitTranError(t *testing.T) {
checkConnStr(t)
drv := driverWithProcess(t)
conn, err := drv.open(makeConnStr(t).String())
if err != nil {
t.Fatalf("Open failed with error %v", err)
}
defer conn.Close()
// close actual connection to make commit transaction to fail during sending of a packet
conn.sess.buf.transport.Close()
ctx := context.Background()
err = conn.Commit()
if err != driver.ErrBadConn {
t.Errorf("begin should fail with ErrBadConn but it returned %v", err)
}
// reopen connection
conn, err = drv.open(makeConnStr(t).String())
if err != nil {
t.Fatalf("Open failed with error %v", err)
}
err = conn.sendCommitRequest()
if err != nil {
t.Fatalf("sendCommitRequest failed with error %v", err)
}
// close connection to cause processBeginResponse to fail
conn.sess.buf.transport.Close()
err = conn.simpleProcessResp(ctx)
switch err {
case nil:
t.Error("simpleProcessResp should fail but it succeeded")
case driver.ErrBadConn:
t.Error("simpleProcessResp should fail with error different from ErrBadConn but it did")
}
if conn.connectionGood {
t.Fatal("Connection should be in a bad state")
}
// reopen connection
conn, err = drv.open(makeConnStr(t).String())
defer conn.Close()
if err != nil {
t.Fatalf("Open failed with error %v", err)
}
// should fail because there is no transaction
err = conn.Commit()
switch err {
case nil:
t.Error("Commit should fail but it succeeded")
case driver.ErrBadConn:
t.Error("Commit should fail with error different from ErrBadConn but it did")
}
}
func TestRollbackTranError(t *testing.T) {
checkConnStr(t)
drv := driverWithProcess(t)
conn, err := drv.open(makeConnStr(t).String())
if err != nil {
t.Fatalf("Open failed with error %v", err)
}
defer conn.Close()
// close actual connection to make commit transaction to fail during sending of a packet
conn.sess.buf.transport.Close()
ctx := context.Background()
err = conn.Rollback()
if err != driver.ErrBadConn {
t.Errorf("Rollback should fail with ErrBadConn but it returned %v", err)
}
// reopen connection
conn, err = drv.open(makeConnStr(t).String())
if err != nil {
t.Fatalf("Open failed with error %v", err)
}
err = conn.sendRollbackRequest()
if err != nil {
t.Fatalf("sendCommitRequest failed with error %v", err)
}
// close connection to cause processBeginResponse to fail
conn.sess.buf.transport.Close()
err = conn.simpleProcessResp(ctx)
switch err {
case nil:
t.Error("simpleProcessResp should fail but it succeeded")
case driver.ErrBadConn:
t.Error("simpleProcessResp should fail with error different from ErrBadConn but it did")
}
if conn.connectionGood {
t.Fatal("Connection should be in a bad state")
}
// reopen connection
conn, err = drv.open(makeConnStr(t).String())
defer conn.Close()
if err != nil {
t.Fatalf("Open failed with error %v", err)
}
// should fail because there is no transaction
err = conn.Rollback()
switch err {
case nil:
t.Error("Commit should fail but it succeeded")
case driver.ErrBadConn:
t.Error("Commit should fail with error different from ErrBadConn but it did")
}
}
func TestSendQueryErrors(t *testing.T) {
checkConnStr(t)
drv := driverWithProcess(t)
conn, err := drv.open(makeConnStr(t).String())
if err != nil {
t.FailNow()
}
defer conn.Close()
stmt, err := conn.prepareContext(context.Background(), "select 1")
if err != nil {
t.FailNow()
}
// should fail because parameter is invalid
_, err = stmt.Query([]driver.Value{conn})
if err == nil {
t.Fail()
}
// close actual connection to make commit transaction to fail during sending of a packet
conn.sess.buf.transport.Close()
// should fail because connection is closed
_, err = stmt.Query([]driver.Value{})
if err != driver.ErrBadConn {
t.Fail()
}
stmt, err = conn.prepareContext(context.Background(), "select ?")
if err != nil {
t.FailNow()
}
// should fail because connection is closed
_, err = stmt.Query([]driver.Value{int64(1)})
if err != driver.ErrBadConn {
t.Fail()
}
}
func TestProcessQueryErrors(t *testing.T) {
checkConnStr(t)
drv := driverWithProcess(t)
conn, err := drv.open(makeConnStr(t).String())
if err != nil {
t.Fatal("open expected to succeed, but it failed with", err)
}
stmt, err := conn.prepareContext(context.Background(), "select 1")
if err != nil {
t.Fatal("prepareContext expected to succeed, but it failed with", err)
}
err = stmt.sendQuery([]namedValue{})
if err != nil {
t.Fatal("sendQuery expected to succeed, but it failed with", err)
}
// close actual connection to make reading response to fail
conn.sess.buf.transport.Close()
_, err = stmt.processQueryResponse(context.Background())
if err == nil {
t.Error("processQueryResponse expected to fail but it succeeded")
}
// should not fail with ErrBadConn because query was successfully sent to server
if err == driver.ErrBadConn {
t.Error("processQueryResponse expected to fail with error other than ErrBadConn but it failed with it")
}
if conn.connectionGood {
t.Fatal("Connection should be in a bad state")
}
}
func TestSendExecErrors(t *testing.T) {
checkConnStr(t)
drv := driverWithProcess(t)
conn, err := drv.open(makeConnStr(t).String())
if err != nil {
t.FailNow()
}
defer conn.Close()
stmt, err := conn.prepareContext(context.Background(), "select 1")
if err != nil {
t.FailNow()
}
// should fail because parameter is invalid
_, err = stmt.Exec([]driver.Value{conn})
if err == nil {
t.Fail()
}
// close actual connection to make commit transaction to fail during sending of a packet
conn.sess.buf.transport.Close()
// should fail because connection is closed
_, err = stmt.Exec([]driver.Value{})
if err != driver.ErrBadConn {
t.Fail()
}
stmt, err = conn.prepareContext(context.Background(), "select ?")
if err != nil {
t.FailNow()
}
// should fail because connection is closed
_, err = stmt.Exec([]driver.Value{int64(1)})
if err != driver.ErrBadConn {
t.Fail()
}
}