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// Copyright 2021-present The Atlas Authors. All rights reserved.
// This source code is licensed under the Apache 2.0 license found
// in the LICENSE file in the root directory of this source tree.
package sqlclient_test
import (
"context"
"database/sql"
"net/url"
"testing"
"ariga.io/atlas/sql/migrate"
"ariga.io/atlas/sql/schema"
"github.com/DATA-DOG/go-sqlmock"
"github.com/stretchr/testify/require"
"ariga.io/atlas/sql/sqlclient"
)
func TestRegisterOpen(t *testing.T) {
c := &sqlclient.Client{}
sqlclient.Register(
"mysql",
sqlclient.OpenerFunc(func(ctx context.Context, url *url.URL) (*sqlclient.Client, error) {
return c, nil
}),
sqlclient.RegisterFlavours("maria"),
sqlclient.RegisterURLParser(sqlclient.URLParserFunc(func(u *url.URL) *sqlclient.URL {
return &sqlclient.URL{URL: u, DSN: "dsn", Schema: "schema"}
})),
)
require.PanicsWithValue(
t,
"sql/sqlclient: Register opener is nil",
func() { sqlclient.Register("mysql", nil) },
)
require.PanicsWithValue(
t,
"sql/sqlclient: Register called twice for mysql",
func() {
sqlclient.Register("mysql", sqlclient.OpenerFunc(func(ctx context.Context, url *url.URL) (*sqlclient.Client, error) {
return c, nil
}))
},
)
c1, err := sqlclient.Open(context.Background(), "mysql://:3306")
require.NoError(t, err)
require.True(t, c == c1)
require.Equal(t, "dsn", c.URL.DSN)
require.Equal(t, "schema", c.URL.Schema)
c1, err = sqlclient.Open(context.Background(), "maria://:3306")
require.NoError(t, err)
require.True(t, c == c1)
require.Equal(t, "dsn", c.URL.DSN)
require.Equal(t, "schema", c.URL.Schema)
c1, err = sqlclient.Open(context.Background(), "postgres://:3306")
require.EqualError(t, err, `sql/sqlclient: no opener was register with name "postgres"`)
}
func TestClient_AddClosers(t *testing.T) {
var (
i int
c = &sqlclient.Client{DB: sql.OpenDB(nil)}
f = closerFunc(func() error { i++; return nil })
)
c.AddClosers(f, f, f)
require.NoError(t, c.Close())
require.Equal(t, 3, i)
}
type closerFunc func() error
func (f closerFunc) Close() error { return f() }
func TestClient_Tx(t *testing.T) {
db, mock, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
const stmt = "create database `test`"
mock.ExpectBegin()
mock.ExpectExec(stmt).WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
mock.ExpectBegin()
mock.ExpectExec(stmt).WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectRollback()
var cC, rC bool
sqlclient.Register(
"tx",
sqlclient.OpenerFunc(func(context.Context, *url.URL) (*sqlclient.Client, error) {
return &sqlclient.Client{Name: "tx", DB: db, Driver: &mockDriver{db: db}}, nil
}),
sqlclient.RegisterDriverOpener(func(db schema.ExecQuerier) (migrate.Driver, error) {
return &mockDriver{db: db}, nil
}),
sqlclient.RegisterTxOpener(func(ctx context.Context, db *sql.DB, opts *sql.TxOptions) (*sqlclient.Tx, error) {
tx, err := db.BeginTx(ctx, opts)
require.NoError(t, err)
return &sqlclient.Tx{
Tx: tx,
CommitFn: func() error {
cC = true
return tx.Commit()
},
RollbackFn: func() error {
rC = true
return tx.Rollback()
},
}, nil
}),
)
c, err := sqlclient.Open(context.Background(), "tx://")
require.NoError(t, err)
// Commit works.
tx, err := c.Tx(context.Background(), nil)
require.NoError(t, err)
_, err = tx.ExecContext(context.Background(), stmt)
require.NoError(t, err)
require.NoError(t, tx.Commit())
require.True(t, cC)
// Rollback works as well.
tx, err = c.Tx(context.Background(), nil)
require.NoError(t, err)
_, err = tx.ExecContext(context.Background(), stmt)
require.NoError(t, err)
require.NoError(t, tx.Rollback())
require.True(t, rC)
require.NoError(t, mock.ExpectationsWereMet())
}
type mockDriver struct {
migrate.Driver
db schema.ExecQuerier
}
func (m *mockDriver) ExecContext(ctx context.Context, query string, args ...any) (sql.Result, error) {
return m.db.ExecContext(ctx, query, args...)
}
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