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driver_test.go
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// Copyright (c) 2017-2022 Snowflake Computing Inc. All rights reserved.
package gosnowflake
import (
"cmp"
"context"
"crypto/rsa"
"database/sql"
"database/sql/driver"
"flag"
"fmt"
"net/http"
"net/url"
"os"
"os/signal"
"strconv"
"strings"
"syscall"
"testing"
"time"
)
var (
username string
pass string
account string
dbname string
schemaname string
warehouse string
rolename string
dsn string
host string
port string
protocol string
customPrivateKey bool // Whether user has specified the private key path
testPrivKey *rsa.PrivateKey // Valid private key used for all test cases
debugMode bool
)
const (
selectNumberSQL = "SELECT %s::NUMBER(%v, %v) AS C"
selectVariousTypes = "SELECT 1.0::NUMBER(30,2) as C1, 2::NUMBER(38,0) AS C2, 't3' AS C3, 4.2::DOUBLE AS C4, 'abcd'::BINARY(8388608) AS C5, true AS C6"
selectRandomGenerator = "SELECT SEQ8(), RANDSTR(1000, RANDOM()) FROM TABLE(GENERATOR(ROWCOUNT=>%v))"
PSTLocation = "America/Los_Angeles"
)
// The tests require the following parameters in the environment variables.
// SNOWFLAKE_TEST_USER, SNOWFLAKE_TEST_PASSWORD, SNOWFLAKE_TEST_ACCOUNT,
// SNOWFLAKE_TEST_DATABASE, SNOWFLAKE_TEST_SCHEMA, SNOWFLAKE_TEST_WAREHOUSE.
// Optionally you may specify SNOWFLAKE_TEST_PROTOCOL, SNOWFLAKE_TEST_HOST
// and SNOWFLAKE_TEST_PORT to specify the endpoint.
func init() {
// get environment variables
env := func(key, defaultValue string) string {
return cmp.Or(os.Getenv(key), defaultValue)
}
username = env("SNOWFLAKE_TEST_USER", "testuser")
pass = env("SNOWFLAKE_TEST_PASSWORD", "testpassword")
account = env("SNOWFLAKE_TEST_ACCOUNT", "testaccount")
dbname = env("SNOWFLAKE_TEST_DATABASE", "testdb")
schemaname = env("SNOWFLAKE_TEST_SCHEMA", "public")
rolename = env("SNOWFLAKE_TEST_ROLE", "sysadmin")
warehouse = env("SNOWFLAKE_TEST_WAREHOUSE", "testwarehouse")
protocol = env("SNOWFLAKE_TEST_PROTOCOL", "https")
host = os.Getenv("SNOWFLAKE_TEST_HOST")
port = env("SNOWFLAKE_TEST_PORT", "443")
if host == "" {
host = fmt.Sprintf("%s.snowflakecomputing.com", account)
} else {
host = fmt.Sprintf("%s:%s", host, port)
}
setupPrivateKey()
createDSN("UTC")
debugMode, _ = strconv.ParseBool(os.Getenv("SNOWFLAKE_TEST_DEBUG"))
}
func createDSN(timezone string) {
dsn = fmt.Sprintf("%s:%s@%s/%s/%s", username, pass, host, dbname, schemaname)
parameters := url.Values{}
parameters.Add("timezone", timezone)
if protocol != "" {
parameters.Add("protocol", protocol)
}
if account != "" {
parameters.Add("account", account)
}
if warehouse != "" {
parameters.Add("warehouse", warehouse)
}
if rolename != "" {
parameters.Add("role", rolename)
}
if len(parameters) > 0 {
dsn += "?" + parameters.Encode()
}
}
// setup creates a test schema so that all tests can run in the same schema
func setup() (string, error) {
env := func(key, defaultValue string) string {
return cmp.Or(os.Getenv(key), defaultValue)
}
orgSchemaname := schemaname
if env("GITHUB_WORKFLOW", "") != "" {
githubRunnerID := env("RUNNER_TRACKING_ID", "GITHUB_RUNNER_ID")
githubRunnerID = strings.ReplaceAll(githubRunnerID, "-", "_")
githubSha := env("GITHUB_SHA", "GITHUB_SHA")
schemaname = fmt.Sprintf("%v_%v", githubRunnerID, githubSha)
} else {
schemaname = fmt.Sprintf("golang_%v", time.Now().UnixNano())
}
var db *sql.DB
var err error
if db, err = sql.Open("snowflake", dsn); err != nil {
return "", fmt.Errorf("failed to open db. err: %v", err)
}
defer db.Close()
if _, err = db.Exec(fmt.Sprintf("CREATE OR REPLACE SCHEMA %v", schemaname)); err != nil {
return "", fmt.Errorf("failed to create schema. %v", err)
}
createDSN("UTC")
return orgSchemaname, nil
}
// teardown drops the test schema
func teardown() error {
var db *sql.DB
var err error
if db, err = sql.Open("snowflake", dsn); err != nil {
return fmt.Errorf("failed to open db. %v, err: %v", dsn, err)
}
defer db.Close()
if _, err = db.Exec(fmt.Sprintf("DROP SCHEMA IF EXISTS %v", schemaname)); err != nil {
return fmt.Errorf("failed to create schema. %v", err)
}
return nil
}
func TestMain(m *testing.M) {
flag.Parse()
signal.Ignore(syscall.SIGQUIT)
if value := os.Getenv("SKIP_SETUP"); value != "" {
os.Exit(m.Run())
}
if _, err := setup(); err != nil {
panic(err)
}
ret := m.Run()
if err := teardown(); err != nil {
panic(err)
}
os.Exit(ret)
}
type DBTest struct {
*testing.T
conn *sql.Conn
}
func (dbt *DBTest) connParams() map[string]*string {
var params map[string]*string
err := dbt.conn.Raw(func(driverConn any) error {
conn := driverConn.(*snowflakeConn)
params = conn.cfg.Params
return nil
})
assertNilF(dbt.T, err)
return params
}
func (dbt *DBTest) mustQueryT(t *testing.T, query string, args ...any) (rows *RowsExtended) {
// handler interrupt signal
ctx, cancel := context.WithCancel(context.Background())
c := make(chan os.Signal, 1)
c0 := make(chan bool, 1)
signal.Notify(c, os.Interrupt)
defer func() {
signal.Stop(c)
}()
go func() {
select {
case <-c:
fmt.Println("Caught signal, canceling...")
cancel()
case <-ctx.Done():
fmt.Println("Done")
case <-c0:
}
close(c)
}()
rs, err := dbt.conn.QueryContext(ctx, query, args...)
if err != nil {
t.Fatalf("query, query=%v, err=%v", query, err)
}
return &RowsExtended{
rows: rs,
closeChan: &c0,
}
}
func (dbt *DBTest) mustQuery(query string, args ...interface{}) (rows *RowsExtended) {
return dbt.mustQueryT(dbt.T, query, args...)
}
func (dbt *DBTest) mustQueryContext(ctx context.Context, query string, args ...interface{}) (rows *RowsExtended) {
return dbt.mustQueryContextT(ctx, dbt.T, query, args...)
}
func (dbt *DBTest) mustQueryContextT(ctx context.Context, t *testing.T, query string, args ...interface{}) (rows *RowsExtended) {
// handler interrupt signal
ctx, cancel := context.WithCancel(ctx)
c := make(chan os.Signal, 1)
c0 := make(chan bool, 1)
signal.Notify(c, os.Interrupt)
defer func() {
signal.Stop(c)
}()
go func() {
select {
case <-c:
fmt.Println("Caught signal, canceling...")
cancel()
case <-ctx.Done():
fmt.Println("Done")
case <-c0:
}
close(c)
}()
rs, err := dbt.conn.QueryContext(ctx, query, args...)
if err != nil {
t.Fatalf("query, query=%v, err=%v", query, err)
}
return &RowsExtended{
rows: rs,
closeChan: &c0,
}
}
func (dbt *DBTest) query(query string, args ...any) (*sql.Rows, error) {
return dbt.conn.QueryContext(context.Background(), query, args...)
}
func (dbt *DBTest) mustQueryAssertCount(query string, expected int, args ...interface{}) {
rows := dbt.mustQuery(query, args...)
defer rows.Close()
cnt := 0
for rows.Next() {
cnt++
}
if cnt != expected {
dbt.Fatalf("expected %v, got %v", expected, cnt)
}
}
func (dbt *DBTest) prepare(query string) (*sql.Stmt, error) {
return dbt.conn.PrepareContext(context.Background(), query)
}
func (dbt *DBTest) fail(method, query string, err error) {
if !debugMode && 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) {
return dbt.mustExecContext(context.Background(), query, args...)
}
func (dbt *DBTest) mustExecT(t *testing.T, query string, args ...any) (res sql.Result) {
return dbt.mustExecContextT(context.Background(), t, query, args...)
}
func (dbt *DBTest) mustExecContext(ctx context.Context, query string, args ...interface{}) (res sql.Result) {
res, err := dbt.conn.ExecContext(ctx, query, args...)
if err != nil {
dbt.fail("exec context", query, err)
}
return res
}
func (dbt *DBTest) mustExecContextT(ctx context.Context, t *testing.T, query string, args ...any) (res sql.Result) {
res, err := dbt.conn.ExecContext(ctx, query, args...)
if err != nil {
t.Fatalf("exec context: query=%v, err=%v", query, err)
}
return res
}
func (dbt *DBTest) exec(query string, args ...any) (sql.Result, error) {
return dbt.conn.ExecContext(context.Background(), query, args...)
}
func (dbt *DBTest) mustDecimalSize(ct *sql.ColumnType) (pr int64, sc int64) {
var ok bool
pr, sc, ok = ct.DecimalSize()
if !ok {
dbt.Fatalf("failed to get decimal size. %v", ct)
}
return pr, sc
}
func (dbt *DBTest) mustFailDecimalSize(ct *sql.ColumnType) {
var ok bool
if _, _, ok = ct.DecimalSize(); ok {
dbt.Fatalf("should not return decimal size. %v", ct)
}
}
func (dbt *DBTest) mustLength(ct *sql.ColumnType) (cLen int64) {
var ok bool
cLen, ok = ct.Length()
if !ok {
dbt.Fatalf("failed to get length. %v", ct)
}
return cLen
}
func (dbt *DBTest) mustFailLength(ct *sql.ColumnType) {
var ok bool
if _, ok = ct.Length(); ok {
dbt.Fatalf("should not return length. %v", ct)
}
}
func (dbt *DBTest) mustNullable(ct *sql.ColumnType) (canNull bool) {
var ok bool
canNull, ok = ct.Nullable()
if !ok {
dbt.Fatalf("failed to get length. %v", ct)
}
return canNull
}
func (dbt *DBTest) mustPrepare(query string) (stmt *sql.Stmt) {
stmt, err := dbt.conn.PrepareContext(context.Background(), query)
if err != nil {
dbt.fail("prepare", query, err)
}
return stmt
}
func (dbt *DBTest) forceJSON() {
dbt.mustExec(forceJSON)
}
func (dbt *DBTest) forceArrow() {
dbt.mustExec(forceARROW)
dbt.mustExec("alter session set ENABLE_STRUCTURED_TYPES_NATIVE_ARROW_FORMAT = false")
dbt.mustExec("alter session set FORCE_ENABLE_STRUCTURED_TYPES_NATIVE_ARROW_FORMAT = false")
}
func (dbt *DBTest) forceNativeArrow() { // structured types
dbt.mustExec(forceARROW)
dbt.mustExec("alter session set ENABLE_STRUCTURED_TYPES_NATIVE_ARROW_FORMAT = true")
dbt.mustExec("alter session set FORCE_ENABLE_STRUCTURED_TYPES_NATIVE_ARROW_FORMAT = true")
}
func (dbt *DBTest) enableStructuredTypes() {
_, err := dbt.exec("alter session set ENABLE_STRUCTURED_TYPES_IN_CLIENT_RESPONSE = true")
if err != nil {
dbt.Log(err)
}
_, err = dbt.exec("alter session set IGNORE_CLIENT_VESRION_IN_STRUCTURED_TYPES_RESPONSE = true")
if err != nil {
dbt.Log(err)
}
}
func (dbt *DBTest) enableStructuredTypesBinding() {
dbt.enableStructuredTypes()
_, err := dbt.exec("ALTER SESSION SET ENABLE_OBJECT_TYPED_BINDS = true")
if err != nil {
dbt.Log(err)
}
_, err = dbt.exec("ALTER SESSION SET ENABLE_STRUCTURED_TYPES_IN_BINDS = Enable")
if err != nil {
dbt.Log(err)
}
}
type SCTest struct {
*testing.T
sc *snowflakeConn
}
func (sct *SCTest) fail(method, query string, err error) {
if !debugMode && len(query) > 300 {
query = "[query too large to print]"
}
sct.Fatalf("error on %s [%s]: %s", method, query, err.Error())
}
func (sct *SCTest) mustExec(query string, args []driver.Value) driver.Result {
result, err := sct.sc.Exec(query, args)
if err != nil {
sct.fail("exec", query, err)
}
return result
}
func (sct *SCTest) mustQuery(query string, args []driver.Value) driver.Rows {
rows, err := sct.sc.Query(query, args)
if err != nil {
sct.fail("query", query, err)
}
return rows
}
func (sct *SCTest) mustQueryContext(ctx context.Context, query string, args []driver.NamedValue) driver.Rows {
rows, err := sct.sc.QueryContext(ctx, query, args)
if err != nil {
sct.fail("QueryContext", query, err)
}
return rows
}
func (sct *SCTest) mustExecContext(ctx context.Context, query string, args []driver.NamedValue) driver.Result {
result, err := sct.sc.ExecContext(ctx, query, args)
if err != nil {
sct.fail("ExecContext", query, err)
}
return result
}
func runDBTest(t *testing.T, test func(dbt *DBTest)) {
conn := openConn(t)
defer conn.Close()
dbt := &DBTest{t, conn}
test(dbt)
}
func runSnowflakeConnTest(t *testing.T, test func(sct *SCTest)) {
config, err := ParseDSN(dsn)
if err != nil {
t.Error(err)
}
sc, err := buildSnowflakeConn(context.Background(), *config)
if err != nil {
t.Fatal(err)
}
defer sc.Close()
if err = authenticateWithConfig(sc); err != nil {
t.Fatal(err)
}
sct := &SCTest{t, sc}
test(sct)
}
func getDbHandlerFromConfig(t *testing.T, cfg *Config) *sql.DB {
dsn, err := DSN(cfg)
assertNilF(t, err, "failed to create DSN from Config")
db, err := sql.Open("snowflake", dsn)
assertNilF(t, err, "failed to open database")
return db
}
func runningOnAWS() bool {
return os.Getenv("CLOUD_PROVIDER") == "AWS"
}
func runningOnGCP() bool {
return os.Getenv("CLOUD_PROVIDER") == "GCP"
}
func TestBogusUserPasswordParameters(t *testing.T) {
if !runningOnGithubAction() {
t.Skip("error message could be different when run locally")
}
invalidDNS := fmt.Sprintf("%s:%s@%s", "bogus", pass, host)
invalidUserPassErrorTests(invalidDNS, 390422, t)
}
func TestKnownUserInvalidPasswordParameters(t *testing.T) {
invalidDNS := fmt.Sprintf("%s:%s@%s", username, "INVALID_PASSWORD", host)
invalidUserPassErrorTests(invalidDNS, 390100, t)
}
func invalidUserPassErrorTests(invalidDNS string, expectedErr int, t *testing.T) {
parameters := url.Values{}
if protocol != "" {
parameters.Add("protocol", protocol)
}
if account != "" {
parameters.Add("account", account)
}
invalidDNS += "?" + parameters.Encode()
db, err := sql.Open("snowflake", invalidDNS)
if err != nil {
t.Fatalf("error creating a connection object: %s", err.Error())
}
// actual connection won't happen until run a query
defer db.Close()
if _, err = db.Exec("SELECT 1"); err == nil {
t.Fatal("should cause an error.")
}
if driverErr, ok := err.(*SnowflakeError); ok {
if driverErr.Number != expectedErr {
t.Fatalf("wrong error code: %v", driverErr)
}
if !strings.Contains(driverErr.Error(), strconv.Itoa(expectedErr)) {
t.Fatalf("error message should included the error code. got: %v", driverErr.Error())
}
} else {
t.Fatalf("wrong error code: %v", err)
}
}
func TestBogusHostNameParameters(t *testing.T) {
invalidDNS := fmt.Sprintf("%s:%s@%s", username, pass, "INVALID_HOST:1234")
invalidHostErrorTests(invalidDNS, []string{"no such host", "verify account name is correct", "HTTP Status: 403", "Temporary failure in name resolution", "server misbehaving", "connection broken"}, t)
invalidDNS = fmt.Sprintf("%s:%s@%s", username, pass, "INVALID_HOST")
invalidHostErrorTests(invalidDNS, []string{"read: connection reset by peer", "EOF", "verify account name is correct", "HTTP Status: 403", "Temporary failure in name resolution", "server misbehaving", "failed to auth", "connection broken"}, t)
}
func invalidHostErrorTests(invalidDNS string, mstr []string, t *testing.T) {
parameters := url.Values{}
if protocol != "" {
parameters.Add("protocol", protocol)
}
if account != "" {
parameters.Add("account", account)
}
parameters.Add("loginTimeout", "10")
invalidDNS += "?" + parameters.Encode()
db, err := sql.Open("snowflake", invalidDNS)
if err != nil {
t.Fatalf("error creating a connection object: %s", err.Error())
}
// actual connection won't happen until run a query
defer db.Close()
if _, err = db.Exec("SELECT 1"); err == nil {
t.Fatal("should cause an error.")
}
found := false
for _, m := range mstr {
if strings.Contains(err.Error(), m) || strings.Contains(err.Error(), "HTTP Status: 513. Hanging?") {
found = true
}
}
if !found {
t.Fatalf("wrong error: %v", err)
}
}
func TestCommentOnlyQuery(t *testing.T) {
runDBTest(t, func(dbt *DBTest) {
query := "--"
// just a comment, no query
rows, err := dbt.query(query)
if err == nil {
rows.Close()
dbt.fail("query", query, err)
}
if driverErr, ok := err.(*SnowflakeError); ok {
if driverErr.Number != 900 { // syntax error
dbt.fail("query", query, err)
}
}
})
}
func TestEmptyQuery(t *testing.T) {
runDBTest(t, func(dbt *DBTest) {
query := "select 1 from dual where 1=0"
// just a comment, no query
rows := dbt.conn.QueryRowContext(context.Background(), query)
var v1 any
if err := rows.Scan(&v1); err != sql.ErrNoRows {
dbt.Errorf("should fail. err: %v", err)
}
rows = dbt.conn.QueryRowContext(context.Background(), query)
if err := rows.Scan(&v1); err != sql.ErrNoRows {
dbt.Errorf("should fail. err: %v", err)
}
})
}
func TestEmptyQueryWithRequestID(t *testing.T) {
runDBTest(t, func(dbt *DBTest) {
query := "select 1"
ctx := WithRequestID(context.Background(), NewUUID())
rows := dbt.conn.QueryRowContext(ctx, query)
var v1 interface{}
if err := rows.Scan(&v1); err != nil {
dbt.Errorf("should not have failed with valid request id. err: %v", err)
}
})
}
func TestRequestIDFromTwoDifferentSessions(t *testing.T) {
db, err := sql.Open("snowflake", dsn)
assertNilF(t, err)
db.SetMaxOpenConns(10)
conn, err := db.Conn(context.Background())
assertNilF(t, err)
defer conn.Close()
_, err = conn.ExecContext(context.Background(), forceJSON)
assertNilF(t, err)
conn2, err := db.Conn(context.Background())
assertNilF(t, err)
defer conn2.Close()
_, err = conn2.ExecContext(context.Background(), forceJSON)
assertNilF(t, err)
// creating table
reqIDForCreate := NewUUID()
_, err = conn.ExecContext(WithRequestID(context.Background(), reqIDForCreate), "CREATE TABLE req_id_testing (id INTEGER)")
assertNilF(t, err)
defer func() {
_, err = db.Exec("DROP TABLE IF EXISTS req_id_testing")
assertNilE(t, err)
}()
_, err = conn.ExecContext(WithRequestID(context.Background(), reqIDForCreate), "CREATE TABLE req_id_testing (id INTEGER)")
assertNilF(t, err)
defer func() {
_, err = db.Exec("DROP TABLE IF EXISTS req_id_testing")
assertNilE(t, err)
}()
// should fail as API v1 does not allow reusing requestID across sessions for DML statements
_, err = conn2.ExecContext(WithRequestID(context.Background(), reqIDForCreate), "CREATE TABLE req_id_testing (id INTEGER)")
assertNotNilE(t, err)
assertStringContainsE(t, err.Error(), "already exists")
// inserting a record
reqIDForInsert := NewUUID()
execResult, err := conn.ExecContext(WithRequestID(context.Background(), reqIDForInsert), "INSERT INTO req_id_testing VALUES (1)")
assertNilF(t, err)
rowsInserted, err := execResult.RowsAffected()
assertNilF(t, err)
assertEqualE(t, rowsInserted, int64(1))
_, err = conn2.ExecContext(WithRequestID(context.Background(), reqIDForInsert), "INSERT INTO req_id_testing VALUES (1)")
assertNilF(t, err)
rowsInserted2, err := execResult.RowsAffected()
assertNilF(t, err)
assertEqualE(t, rowsInserted2, int64(1))
// selecting data
reqIDForSelect := NewUUID()
rows, err := conn.QueryContext(WithRequestID(context.Background(), reqIDForSelect), "SELECT * FROM req_id_testing")
assertNilF(t, err)
defer rows.Close()
var i int
assertTrueE(t, rows.Next())
assertNilF(t, rows.Scan(&i))
assertEqualE(t, i, 1)
i = 0
assertTrueE(t, rows.Next())
assertNilF(t, rows.Scan(&i))
assertEqualE(t, i, 1)
assertFalseE(t, rows.Next())
rows2, err := conn.QueryContext(WithRequestID(context.Background(), reqIDForSelect), "SELECT * FROM req_id_testing")
assertNilF(t, err)
defer rows2.Close()
assertTrueE(t, rows2.Next())
assertNilF(t, rows2.Scan(&i))
assertEqualE(t, i, 1)
i = 0
assertTrueE(t, rows2.Next())
assertNilF(t, rows2.Scan(&i))
assertEqualE(t, i, 1)
assertFalseE(t, rows2.Next())
// insert another data
_, err = conn.ExecContext(context.Background(), "INSERT INTO req_id_testing VALUES (1)")
assertNilF(t, err)
// selecting using old request id
rows3, err := conn.QueryContext(WithRequestID(context.Background(), reqIDForSelect), "SELECT * FROM req_id_testing")
assertNilF(t, err)
defer rows3.Close()
assertTrueE(t, rows3.Next())
assertNilF(t, rows3.Scan(&i))
assertEqualE(t, i, 1)
i = 0
assertTrueE(t, rows3.Next())
assertNilF(t, rows3.Scan(&i))
assertEqualE(t, i, 1)
i = 0
assertFalseF(t, rows3.Next())
}
func TestCRUD(t *testing.T) {
runDBTest(t, func(dbt *DBTest) {
// Create Table
dbt.mustExec("CREATE OR REPLACE TABLE test (value BOOLEAN)")
// Test for unexpected Data
var out bool
rows := dbt.mustQuery("SELECT * FROM test")
defer rows.Close()
if rows.Next() {
dbt.Error("unexpected Data in empty table")
}
// Create Data
res := dbt.mustExec("INSERT INTO test VALUES (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)
}
id, err := res.LastInsertId()
if err != nil {
dbt.Fatalf("res.LastInsertId() returned error: %s", err.Error())
}
if id != -1 {
dbt.Fatalf(
"expected InsertId -1, got %d. Snowflake doesn't support last insert ID", id)
}
// Read
rows = dbt.mustQuery("SELECT value FROM test")
defer func(rows *RowsExtended) {
assertNilF(t, rows.Close())
}(rows)
if rows.Next() {
assertNilF(t, rows.Scan(&out))
if !out {
dbt.Errorf("%t should be true", 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")
defer func(rows *RowsExtended) {
assertNilF(t, rows.Close())
}(rows)
if rows.Next() {
assertNilF(t, rows.Scan(&out))
if out {
dbt.Errorf("%t should be true", 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 TestInt(t *testing.T) {
testInt(t, false)
}
func testInt(t *testing.T, json bool) {
runDBTest(t, func(dbt *DBTest) {
types := []string{"INT", "INTEGER"}
in := int64(42)
var out int64
var rows *RowsExtended
// SIGNED
for _, v := range types {
t.Run(v, func(t *testing.T) {
if json {
dbt.mustExec(forceJSON)
}
dbt.mustExec("CREATE OR REPLACE TABLE test (value " + v + ")")
dbt.mustExec("INSERT INTO test VALUES (?)", in)
rows = dbt.mustQuery("SELECT value FROM test")
defer func() {
assertNilF(t, rows.Close())
}()
if rows.Next() {
assertNilF(t, 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")
})
}
func TestFloat32(t *testing.T) {
testFloat32(t, false)
}
func testFloat32(t *testing.T, json bool) {
runDBTest(t, func(dbt *DBTest) {
types := [2]string{"FLOAT", "DOUBLE"}
in := float32(42.23)
var out float32
var rows *RowsExtended
for _, v := range types {
t.Run(v, func(t *testing.T) {
if json {
dbt.mustExec(forceJSON)
}
dbt.mustExec("CREATE OR REPLACE TABLE test (value " + v + ")")
dbt.mustExec("INSERT INTO test VALUES (?)", in)
rows = dbt.mustQuery("SELECT value FROM test")
defer func() {
assertNilF(t, rows.Close())
}()
if rows.Next() {
err := rows.Scan(&out)
if err != nil {
dbt.Errorf("failed to scan data: %v", err)
}
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 TestFloat64(t *testing.T) {
testFloat64(t, false)
}
func testFloat64(t *testing.T, json bool) {
runDBTest(t, func(dbt *DBTest) {
types := [2]string{"FLOAT", "DOUBLE"}
expected := 42.23
var out float64
var rows *RowsExtended
for _, v := range types {
t.Run(v, func(t *testing.T) {
if json {
dbt.mustExec(forceJSON)
}
dbt.mustExec("CREATE OR REPLACE TABLE test (value " + v + ")")
dbt.mustExec("INSERT INTO test VALUES (42.23)")
rows = dbt.mustQuery("SELECT value FROM test")
defer func() {
assertNilF(t, rows.Close())
}()
if rows.Next() {
assertNilF(t, rows.Scan(&out))
if expected != out {
dbt.Errorf("%s: %g != %g", v, expected, out)
}
} else {
dbt.Errorf("%s: no data", v)
}
})
}
dbt.mustExec("DROP TABLE IF EXISTS test")
})
}
func TestString(t *testing.T) {
testString(t, false)
}
func testString(t *testing.T, json bool) {
runDBTest(t, func(dbt *DBTest) {
if json {
dbt.mustExec(forceJSON)
}
types := []string{"CHAR(255)", "VARCHAR(255)", "TEXT", "STRING"}
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 *RowsExtended
for _, v := range types {
t.Run(v, func(t *testing.T) {
dbt.mustExec("CREATE OR REPLACE TABLE test (value " + v + ")")
dbt.mustExec("INSERT INTO test VALUES (?)", in)
rows = dbt.mustQuery("SELECT value FROM test")
defer func() {
assertNilF(t, rows.Close())
}()
if rows.Next() {
assertNilF(t, 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 (Snowflake doesn't support BLOB type but STRING covers large text data)
dbt.mustExec("CREATE OR REPLACE TABLE test (id int, value STRING)")
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)
if err := dbt.conn.QueryRowContext(context.Background(), "SELECT value FROM test WHERE id = ?", id).Scan(&out); err != nil {
dbt.Fatalf("Error on BLOB-Query: %s", err.Error())
} else if out != in {
dbt.Errorf("BLOB: %s != %s", in, out)
}
})
}
/** TESTING TYPES **/
// testUUID is a wrapper around UUID for unit testing purposes and should not be used in production
type testUUID struct {
UUID
}
func newTestUUID() testUUID {
return testUUID{NewUUID()}
}
func parseTestUUID(str string) testUUID {
if str == "" {
return testUUID{}
}
return testUUID{ParseUUID(str)}
}
// Scan implements sql.Scanner so UUIDs can be read from databases transparently.
// Currently, database types that map to string and []byte are supported. Please
// consult database-specific driver documentation for matching types.
func (uuid *testUUID) Scan(src interface{}) error {
switch src := src.(type) {
case nil:
return nil
case string:
// if an empty UUID comes from a table, we return a null UUID
if src == "" {
return nil
}