cloudflared-mirror/vendor/github.com/DATA-DOG/go-sqlmock/sqlmock_go18.go

122 lines
2.8 KiB
Go

// +build go1.8
package sqlmock
import (
"context"
"database/sql/driver"
"errors"
"time"
)
// ErrCancelled defines an error value, which can be expected in case of
// such cancellation error.
var ErrCancelled = errors.New("canceling query due to user request")
// Implement the "QueryerContext" interface
func (c *sqlmock) QueryContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Rows, error) {
namedArgs := make([]namedValue, len(args))
for i, nv := range args {
namedArgs[i] = namedValue(nv)
}
ex, err := c.query(query, namedArgs)
if ex != nil {
select {
case <-time.After(ex.delay):
if err != nil {
return nil, err
}
return ex.rows, nil
case <-ctx.Done():
return nil, ErrCancelled
}
}
return nil, err
}
// Implement the "ExecerContext" interface
func (c *sqlmock) ExecContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Result, error) {
namedArgs := make([]namedValue, len(args))
for i, nv := range args {
namedArgs[i] = namedValue(nv)
}
ex, err := c.exec(query, namedArgs)
if ex != nil {
select {
case <-time.After(ex.delay):
if err != nil {
return nil, err
}
return ex.result, nil
case <-ctx.Done():
return nil, ErrCancelled
}
}
return nil, err
}
// Implement the "ConnBeginTx" interface
func (c *sqlmock) BeginTx(ctx context.Context, opts driver.TxOptions) (driver.Tx, error) {
ex, err := c.begin()
if ex != nil {
select {
case <-time.After(ex.delay):
if err != nil {
return nil, err
}
return c, nil
case <-ctx.Done():
return nil, ErrCancelled
}
}
return nil, err
}
// Implement the "ConnPrepareContext" interface
func (c *sqlmock) PrepareContext(ctx context.Context, query string) (driver.Stmt, error) {
ex, err := c.prepare(query)
if ex != nil {
select {
case <-time.After(ex.delay):
if err != nil {
return nil, err
}
return &statement{c, ex, query}, nil
case <-ctx.Done():
return nil, ErrCancelled
}
}
return nil, err
}
// Implement the "Pinger" interface
// for now we do not have a Ping expectation
// may be something for the future
func (c *sqlmock) Ping(ctx context.Context) error {
return nil
}
// Implement the "StmtExecContext" interface
func (stmt *statement) ExecContext(ctx context.Context, args []driver.NamedValue) (driver.Result, error) {
return stmt.conn.ExecContext(ctx, stmt.query, args)
}
// Implement the "StmtQueryContext" interface
func (stmt *statement) QueryContext(ctx context.Context, args []driver.NamedValue) (driver.Rows, error) {
return stmt.conn.QueryContext(ctx, stmt.query, args)
}
// @TODO maybe add ExpectedBegin.WithOptions(driver.TxOptions)
// CheckNamedValue meets https://golang.org/pkg/database/sql/driver/#NamedValueChecker
func (c *sqlmock) CheckNamedValue(nv *driver.NamedValue) (err error) {
nv.Value, err = c.converter.ConvertValue(nv.Value)
return err
}