go-sqlite3/sqlite3_test.go

649 lines
15 KiB
Go

package sqlite3
import (
"crypto/rand"
"database/sql"
"encoding/hex"
"os"
"path/filepath"
"testing"
"time"
)
func TempFilename() string {
randBytes := make([]byte, 16)
rand.Read(randBytes)
return filepath.Join(os.TempDir(), "foo"+hex.EncodeToString(randBytes)+".db")
}
func TestOpen(t *testing.T) {
tempFilename := TempFilename()
db, err := sql.Open("sqlite3", tempFilename)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer os.Remove(tempFilename)
defer db.Close()
_, err = db.Exec("drop table foo")
_, err = db.Exec("create table foo (id integer)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
if stat, err := os.Stat(tempFilename); err != nil || stat.IsDir() {
t.Error("Failed to create ./foo.db")
}
}
func TestClose(t *testing.T) {
tempFilename := TempFilename()
db, err := sql.Open("sqlite3", tempFilename)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer os.Remove(tempFilename)
_, err = db.Exec("drop table foo")
_, err = db.Exec("create table foo (id integer)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
stmt, err := db.Prepare("select id from foo where id = ?")
if err != nil {
t.Fatal("Failed to select records:", err)
}
db.Close()
_, err = stmt.Exec(1)
if err == nil {
t.Fatal("Failed to operate closed statement")
}
}
func TestInsert(t *testing.T) {
tempFilename := TempFilename()
db, err := sql.Open("sqlite3", tempFilename)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer os.Remove(tempFilename)
defer db.Close()
_, err = db.Exec("drop table foo")
_, err = db.Exec("create table foo (id integer)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
res, err := db.Exec("insert into foo(id) values(123)")
if err != nil {
t.Fatal("Failed to insert record:", err)
}
affected, _ := res.RowsAffected()
if affected != 1 {
t.Fatalf("Expected %d for affected rows, but %d:", 1, affected)
}
rows, err := db.Query("select id from foo")
if err != nil {
t.Fatal("Failed to select records:", err)
}
defer rows.Close()
rows.Next()
var result int
rows.Scan(&result)
if result != 123 {
t.Errorf("Fetched %q; expected %q", 123, result)
}
}
func TestUpdate(t *testing.T) {
tempFilename := TempFilename()
db, err := sql.Open("sqlite3", tempFilename)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer os.Remove(tempFilename)
defer db.Close()
_, err = db.Exec("drop table foo")
_, err = db.Exec("create table foo (id integer)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
res, err := db.Exec("insert into foo(id) values(123)")
if err != nil {
t.Fatal("Failed to insert record:", err)
}
expected, err := res.LastInsertId()
if err != nil {
t.Fatal("Failed to get LastInsertId:", err)
}
affected, _ := res.RowsAffected()
if err != nil {
t.Fatal("Failed to get RowsAffected:", err)
}
if affected != 1 {
t.Fatalf("Expected %d for affected rows, but %d:", 1, affected)
}
res, err = db.Exec("update foo set id = 234")
if err != nil {
t.Fatal("Failed to update record:", err)
}
lastId, err := res.LastInsertId()
if err != nil {
t.Fatal("Failed to get LastInsertId:", err)
}
if expected != lastId {
t.Errorf("Expected %q for last Id, but %q:", expected, lastId)
}
affected, _ = res.RowsAffected()
if err != nil {
t.Fatal("Failed to get RowsAffected:", err)
}
if affected != 1 {
t.Fatalf("Expected %d for affected rows, but %d:", 1, affected)
}
rows, err := db.Query("select id from foo")
if err != nil {
t.Fatal("Failed to select records:", err)
}
defer rows.Close()
rows.Next()
var result int
rows.Scan(&result)
if result != 234 {
t.Errorf("Fetched %q; expected %q", 234, result)
}
}
func TestDelete(t *testing.T) {
tempFilename := TempFilename()
db, err := sql.Open("sqlite3", tempFilename)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer os.Remove(tempFilename)
defer db.Close()
_, err = db.Exec("drop table foo")
_, err = db.Exec("create table foo (id integer)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
res, err := db.Exec("insert into foo(id) values(123)")
if err != nil {
t.Fatal("Failed to insert record:", err)
}
expected, err := res.LastInsertId()
if err != nil {
t.Fatal("Failed to get LastInsertId:", err)
}
affected, err := res.RowsAffected()
if err != nil {
t.Fatal("Failed to get RowsAffected:", err)
}
if affected != 1 {
t.Errorf("Expected %d for cout of affected rows, but %q:", 1, affected)
}
res, err = db.Exec("delete from foo where id = 123")
if err != nil {
t.Fatal("Failed to delete record:", err)
}
lastId, err := res.LastInsertId()
if err != nil {
t.Fatal("Failed to get LastInsertId:", err)
}
if expected != lastId {
t.Errorf("Expected %q for last Id, but %q:", expected, lastId)
}
affected, err = res.RowsAffected()
if err != nil {
t.Fatal("Failed to get RowsAffected:", err)
}
if affected != 1 {
t.Errorf("Expected %d for cout of affected rows, but %q:", 1, affected)
}
rows, err := db.Query("select id from foo")
if err != nil {
t.Fatal("Failed to select records:", err)
}
defer rows.Close()
if rows.Next() {
t.Error("Fetched row but expected not rows")
}
}
func TestBooleanRoundtrip(t *testing.T) {
tempFilename := TempFilename()
db, err := sql.Open("sqlite3", tempFilename)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer os.Remove(tempFilename)
defer db.Close()
_, err = db.Exec("DROP TABLE foo")
_, err = db.Exec("CREATE TABLE foo(id INTEGER, value BOOL)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
_, err = db.Exec("INSERT INTO foo(id, value) VALUES(1, ?)", true)
if err != nil {
t.Fatal("Failed to insert true value:", err)
}
_, err = db.Exec("INSERT INTO foo(id, value) VALUES(2, ?)", false)
if err != nil {
t.Fatal("Failed to insert false value:", err)
}
rows, err := db.Query("SELECT id, value FROM foo")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
defer rows.Close()
for rows.Next() {
var id int
var value bool
if err := rows.Scan(&id, &value); err != nil {
t.Error("Unable to scan results:", err)
continue
}
if id == 1 && !value {
t.Error("Value for id 1 should be true, not false")
} else if id == 2 && value {
t.Error("Value for id 2 should be false, not true")
}
}
}
func TestTimestamp(t *testing.T) {
tempFilename := TempFilename()
db, err := sql.Open("sqlite3", tempFilename)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer os.Remove(tempFilename)
defer db.Close()
_, err = db.Exec("DROP TABLE foo")
_, err = db.Exec("CREATE TABLE foo(id INTEGER, ts timeSTAMP, dt DATETIME)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
timestamp1 := time.Date(2012, time.April, 6, 22, 50, 0, 0, time.UTC)
timestamp2 := time.Date(2006, time.January, 2, 15, 4, 5, 123456789, time.UTC)
timestamp3 := time.Date(2012, time.November, 4, 0, 0, 0, 0, time.UTC)
tests := []struct {
value interface{}
expected time.Time
}{
{"nonsense", time.Time{}},
{"0000-00-00 00:00:00", time.Time{}},
{timestamp1, timestamp1},
{timestamp1.Unix(), timestamp1},
{timestamp1.In(time.FixedZone("TEST", -7*3600)), timestamp1},
{timestamp1.Format("2006-01-02 15:04:05.000"), timestamp1},
{timestamp1.Format("2006-01-02T15:04:05.000"), timestamp1},
{timestamp1.Format("2006-01-02 15:04:05"), timestamp1},
{timestamp1.Format("2006-01-02T15:04:05"), timestamp1},
{timestamp2, timestamp2},
{"2006-01-02 15:04:05.123456789", timestamp2},
{"2006-01-02T15:04:05.123456789", timestamp2},
{"2012-11-04", timestamp3},
{"2012-11-04 00:00", timestamp3},
{"2012-11-04 00:00:00", timestamp3},
{"2012-11-04 00:00:00.000", timestamp3},
{"2012-11-04T00:00", timestamp3},
{"2012-11-04T00:00:00", timestamp3},
{"2012-11-04T00:00:00.000", timestamp3},
}
for i := range tests {
_, err = db.Exec("INSERT INTO foo(id, ts, dt) VALUES(?, ?, ?)", i, tests[i].value, tests[i].value)
if err != nil {
t.Fatal("Failed to insert timestamp:", err)
}
}
rows, err := db.Query("SELECT id, ts, dt FROM foo ORDER BY id ASC")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
defer rows.Close()
seen := 0
for rows.Next() {
var id int
var ts, dt time.Time
if err := rows.Scan(&id, &ts, &dt); err != nil {
t.Error("Unable to scan results:", err)
continue
}
if id < 0 || id >= len(tests) {
t.Error("Bad row id: ", id)
continue
}
seen++
if !tests[id].expected.Equal(ts) {
t.Errorf("Timestamp value for id %v (%v) should be %v, not %v", id, tests[id].value, tests[id].expected, dt)
}
if !tests[id].expected.Equal(dt) {
t.Errorf("Datetime value for id %v (%v) should be %v, not %v", id, tests[id].value, tests[id].expected, dt)
}
}
if seen != len(tests) {
t.Errorf("Expected to see %d rows", len(tests))
}
}
func TestBoolean(t *testing.T) {
tempFilename := TempFilename()
db, err := sql.Open("sqlite3", tempFilename)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer os.Remove(tempFilename)
defer db.Close()
_, err = db.Exec("CREATE TABLE foo(id INTEGER, fbool BOOLEAN)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
bool1 := true
_, err = db.Exec("INSERT INTO foo(id, fbool) VALUES(1, ?)", bool1)
if err != nil {
t.Fatal("Failed to insert boolean:", err)
}
bool2 := false
_, err = db.Exec("INSERT INTO foo(id, fbool) VALUES(2, ?)", bool2)
if err != nil {
t.Fatal("Failed to insert boolean:", err)
}
bool3 := "nonsense"
_, err = db.Exec("INSERT INTO foo(id, fbool) VALUES(3, ?)", bool3)
if err != nil {
t.Fatal("Failed to insert nonsense:", err)
}
rows, err := db.Query("SELECT id, fbool FROM foo where fbool = ?", bool1)
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
counter := 0
var id int
var fbool bool
for rows.Next() {
if err := rows.Scan(&id, &fbool); err != nil {
t.Fatal("Unable to scan results:", err)
}
counter++
}
if counter != 1 {
t.Fatalf("Expected 1 row but %v", counter)
}
if id != 1 && fbool != true {
t.Fatalf("Value for id 1 should be %v, not %v", bool1, fbool)
}
rows, err = db.Query("SELECT id, fbool FROM foo where fbool = ?", bool2)
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
counter = 0
for rows.Next() {
if err := rows.Scan(&id, &fbool); err != nil {
t.Fatal("Unable to scan results:", err)
}
counter++
}
if counter != 1 {
t.Fatalf("Expected 1 row but %v", counter)
}
if id != 2 && fbool != false {
t.Fatalf("Value for id 2 should be %v, not %v", bool2, fbool)
}
// make sure "nonsense" triggered an error
rows, err = db.Query("SELECT id, fbool FROM foo where id=?;", 3)
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
rows.Next()
err = rows.Scan(&id, &fbool)
if err == nil {
t.Error("Expected error from \"nonsense\" bool")
}
}
func TestFloat32(t *testing.T) {
tempFilename := TempFilename()
db, err := sql.Open("sqlite3", tempFilename)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer os.Remove(tempFilename)
defer db.Close()
_, err = db.Exec("CREATE TABLE foo(id INTEGER)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
_, err = db.Exec("INSERT INTO foo(id) VALUES(null)")
if err != nil {
t.Fatal("Failed to insert null:", err)
}
rows, err := db.Query("SELECT id FROM foo")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
if !rows.Next() {
t.Fatal("Unable to query results:", err)
}
var id interface{}
if err := rows.Scan(&id); err != nil {
t.Fatal("Unable to scan results:", err)
}
if id != nil {
t.Error("Expected nil but not")
}
}
func TestNull(t *testing.T) {
tempFilename := TempFilename()
db, err := sql.Open("sqlite3", tempFilename)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer os.Remove(tempFilename)
defer db.Close()
rows, err := db.Query("SELECT 3.141592")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
if !rows.Next() {
t.Fatal("Unable to query results:", err)
}
var v interface{}
if err := rows.Scan(&v); err != nil {
t.Fatal("Unable to scan results:", err)
}
f, ok := v.(float64)
if !ok {
t.Error("Expected float but not")
}
if f != 3.141592 {
t.Error("Expected 3.141592 but not")
}
}
func TestTransaction(t *testing.T) {
tempFilename := TempFilename()
db, err := sql.Open("sqlite3", tempFilename)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer os.Remove(tempFilename)
defer db.Close()
_, err = db.Exec("CREATE TABLE foo(id INTEGER)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
tx, err := db.Begin()
if err != nil {
t.Fatal("Failed to begin transaction:", err)
}
_, err = tx.Exec("INSERT INTO foo(id) VALUES(1)")
if err != nil {
t.Fatal("Failed to insert null:", err)
}
rows, err := tx.Query("SELECT id from foo")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
err = tx.Rollback()
if err != nil {
t.Fatal("Failed to rollback transaction:", err)
}
if rows.Next() {
t.Fatal("Unable to query results:", err)
}
tx, err = db.Begin()
if err != nil {
t.Fatal("Failed to begin transaction:", err)
}
_, err = tx.Exec("INSERT INTO foo(id) VALUES(1)")
if err != nil {
t.Fatal("Failed to insert null:", err)
}
err = tx.Commit()
if err != nil {
t.Fatal("Failed to commit transaction:", err)
}
rows, err = tx.Query("SELECT id from foo")
if err == nil {
t.Fatal("Expected failure to query")
}
}
// TODO: Execer & Queryer currently disabled
// https://github.com/mattn/go-sqlite3/issues/82
//func TestExecer(t *testing.T) {
// tempFilename := TempFilename()
// db, err := sql.Open("sqlite3", tempFilename)
// if err != nil {
// t.Fatal("Failed to open database:", err)
// }
// defer os.Remove(tempFilename)
// defer db.Close()
//
// _, err = db.Exec(`
// create table foo (id integer);
// insert into foo(id) values(?);
// insert into foo(id) values(?);
// insert into foo(id) values(?);
// `, 1, 2, 3)
// if err != nil {
// t.Error("Failed to call db.Exec:", err)
// }
// if err != nil {
// t.Error("Failed to call res.RowsAffected:", err)
// }
//}
//
//func TestQueryer(t *testing.T) {
// tempFilename := TempFilename()
// db, err := sql.Open("sqlite3", tempFilename)
// if err != nil {
// t.Fatal("Failed to open database:", err)
// }
// defer os.Remove(tempFilename)
// defer db.Close()
//
// _, err = db.Exec(`
// create table foo (id integer);
// `)
// if err != nil {
// t.Error("Failed to call db.Query:", err)
// }
//
// rows, err := db.Query(`
// insert into foo(id) values(?);
// insert into foo(id) values(?);
// insert into foo(id) values(?);
// select id from foo order by id;
// `, 3, 2, 1)
// if err != nil {
// t.Error("Failed to call db.Query:", err)
// }
// defer rows.Close()
// n := 1
// if rows != nil {
// for rows.Next() {
// var id int
// err = rows.Scan(&id)
// if err != nil {
// t.Error("Failed to db.Query:", err)
// }
// if id != n {
// t.Error("Failed to db.Query: not matched results")
// }
// }
// }
//}