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sqlite3_go18_test.go
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sqlite3_go18_test.go
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// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
// +build go1.8
package sqlite3
import (
"context"
"database/sql"
"fmt"
"math/rand"
"os"
"testing"
"time"
)
func TestNamedParams(t *testing.T) {
tempFilename := TempFilename(t)
defer os.Remove(tempFilename)
db, err := sql.Open("sqlite3", tempFilename)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec(`
create table foo (id integer, name text, extra text);
`)
if err != nil {
t.Error("Failed to call db.Query:", err)
}
_, err = db.Exec(`insert into foo(id, name, extra) values(:id, :name, :name)`, sql.Named("name", "foo"), sql.Named("id", 1))
if err != nil {
t.Error("Failed to call db.Exec:", err)
}
row := db.QueryRow(`select id, extra from foo where id = :id and extra = :extra`, sql.Named("id", 1), sql.Named("extra", "foo"))
if row == nil {
t.Error("Failed to call db.QueryRow")
}
var id int
var extra string
err = row.Scan(&id, &extra)
if err != nil {
t.Error("Failed to db.Scan:", err)
}
if id != 1 || extra != "foo" {
t.Error("Failed to db.QueryRow: not matched results")
}
}
var (
testTableStatements = []string{
`DROP TABLE IF EXISTS test_table`,
`
CREATE TABLE IF NOT EXISTS test_table (
key1 VARCHAR(64) PRIMARY KEY,
key_id VARCHAR(64) NOT NULL,
key2 VARCHAR(64) NOT NULL,
key3 VARCHAR(64) NOT NULL,
key4 VARCHAR(64) NOT NULL,
key5 VARCHAR(64) NOT NULL,
key6 VARCHAR(64) NOT NULL,
data BLOB NOT NULL
);`,
}
letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
)
func randStringBytes(n int) string {
b := make([]byte, n)
for i := range b {
b[i] = letterBytes[rand.Intn(len(letterBytes))]
}
return string(b)
}
func initDatabase(t *testing.T, db *sql.DB, rowCount int64) {
for _, query := range testTableStatements {
_, err := db.Exec(query)
if err != nil {
t.Fatal(err)
}
}
for i := int64(0); i < rowCount; i++ {
query := `INSERT INTO test_table
(key1, key_id, key2, key3, key4, key5, key6, data)
VALUES
(?, ?, ?, ?, ?, ?, ?, ?);`
args := []interface{}{
randStringBytes(50),
fmt.Sprint(i),
randStringBytes(50),
randStringBytes(50),
randStringBytes(50),
randStringBytes(50),
randStringBytes(50),
randStringBytes(50),
randStringBytes(2048),
}
_, err := db.Exec(query, args...)
if err != nil {
t.Fatal(err)
}
}
}
func TestShortTimeout(t *testing.T) {
srcTempFilename := TempFilename(t)
defer os.Remove(srcTempFilename)
db, err := sql.Open("sqlite3", srcTempFilename)
if err != nil {
t.Fatal(err)
}
defer db.Close()
initDatabase(t, db, 100)
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Microsecond)
defer cancel()
query := `SELECT key1, key_id, key2, key3, key4, key5, key6, data
FROM test_table
ORDER BY key2 ASC`
_, err = db.QueryContext(ctx, query)
if err != nil && err != context.DeadlineExceeded {
t.Fatal(err)
}
if ctx.Err() != nil && ctx.Err() != context.DeadlineExceeded {
t.Fatal(ctx.Err())
}
}
func TestExecCancel(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal(err)
}
defer db.Close()
if _, err = db.Exec("create table foo (id integer primary key)"); err != nil {
t.Fatal(err)
}
for n := 0; n < 100; n++ {
ctx, cancel := context.WithCancel(context.Background())
_, err = db.ExecContext(ctx, "insert into foo (id) values (?)", n)
cancel()
if err != nil {
t.Fatal(err)
}
}
}