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<?php
declare(strict_types=1);
namespace PhpMyAdmin\SqlParser\Tests\Components;
use PhpMyAdmin\SqlParser\Components\Expression;
use PhpMyAdmin\SqlParser\Parser;
use PhpMyAdmin\SqlParser\Tests\TestCase;
class ExpressionTest extends TestCase
{
public function testParse(): void
{
$component = Expression::parse(new Parser(), $this->getTokensList('IF(film_id > 0, film_id, film_id)'));
$this->assertEquals($component->expr, 'IF(film_id > 0, film_id, film_id)');
}
public function testParse2(): void
{
$component = Expression::parse(new Parser(), $this->getTokensList('col`test`'));
$this->assertEquals($component->expr, 'col');
}
public function testParse3(): void
{
$component = Expression::parse(new Parser(), $this->getTokensList('col xx'));
$this->assertEquals($component->alias, 'xx');
$component = Expression::parse(new Parser(), $this->getTokensList('col y'));
$this->assertEquals($component->alias, 'y');
$component = Expression::parse(new Parser(), $this->getTokensList('avg.col FROM (SELECT ev.col FROM ev)'));
$this->assertEquals($component->table, 'avg');
$this->assertEquals($component->expr, 'avg.col');
$component = Expression::parse(new Parser(), $this->getTokensList('x.id FROM (SELECT a.id FROM a) x'));
$this->assertEquals($component->table, 'x');
$this->assertEquals($component->expr, 'x.id');
}
/**
* @dataProvider parseErrProvider
*/
public function testParseErr(string $expr, string $error): void
{
$parser = new Parser();
Expression::parse($parser, $this->getTokensList($expr));
$errors = $this->getErrorsAsArray($parser);
$this->assertEquals($errors[0][0], $error);
}
/**
* @return string[][]
*/
public function parseErrProvider(): array
{
return [
/*
[
'(1))',
'Unexpected closing bracket.',
],
*/
[
'tbl..col',
'Unexpected dot.',
],
[
'id AS AS id2',
'An alias was expected.',
],
[
'id`id2`\'id3\'',
'An alias was previously found.',
],
[
'(id) id2 id3',
'An alias was previously found.',
],
];
}
public function testBuild(): void
{
$component = [
new Expression('1 + 2', 'three'),
new Expression('1 + 3', 'four'),
];
$this->assertEquals(
Expression::build($component),
'1 + 2 AS `three`, 1 + 3 AS `four`'
);
}
/**
* @return string[][]
*/
public static function mysqlCommandsProvider(): array
{
return [
[
'/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;',
'SET @OLD_CHARACTER_SET_CLIENT = @@CHARACTER_SET_CLIENT',
],
[
'/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;',
'SET @OLD_CHARACTER_SET_RESULTS = @@CHARACTER_SET_RESULTS',
],
[
'/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;',
'SET @OLD_COLLATION_CONNECTION = @@COLLATION_CONNECTION',
],
[
'/*!40101 SET NAMES utf8 */;',
'SET NAMES utf8',
],
[
'/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;',
'SET @OLD_TIME_ZONE = @@TIME_ZONE',
],
[
"/*!40103 SET TIME_ZONE='+00:00' */;",
"SET TIME_ZONE = '+00:00'",
],
[
'/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;',
'SET @OLD_UNIQUE_CHECKS = @@UNIQUE_CHECKS, UNIQUE_CHECKS = 0',
],
[
'/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;',
'SET @OLD_FOREIGN_KEY_CHECKS = @@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS = 0',
],
[
"/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;",
"SET @OLD_SQL_MODE = @@SQL_MODE, SQL_MODE = 'NO_AUTO_VALUE_ON_ZERO'",
],
[
'/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;',
'SET @OLD_SQL_NOTES = @@SQL_NOTES, SQL_NOTES = 0',
],
];
}
/**
* @dataProvider mysqlCommandsProvider
*/
public function testMysqlCommands(string $expr, string $expected): void
{
$parser = new Parser($expr, true);
$parser->parse();
self::assertSame($expected, $parser->statements[0]->build());
}
}