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|
<?php
namespace SqlParser\Tests\Components;
use SqlParser\Parser;
use SqlParser\Components\Expression;
use SqlParser\Tests\TestCase;
class ExpressionTest extends TestCase
{
public function testParse()
{
$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()
{
$component = Expression::parse(new Parser(), $this->getTokensList('col`test`'));
}
/**
* @dataProvider testParseErrProvider
*/
public function testParseErr($expr, $error)
{
$parser = new Parser();
Expression::parse($parser, $this->getTokensList($expr));
$errors = $this->getErrorsAsArray($parser);
$this->assertEquals($errors[0][0], $error);
}
public function testParseErrProvider()
{
return array(
/*
array(
'(1))',
'Unexpected closing bracket.',
),
*/
array(
'tbl..col',
'Unexpected dot.',
),
array(
'id AS AS id2',
'An alias was expected.',
),
array(
'id`id2`\'id3\'',
'An alias was previously found.',
),
array(
'(id) id2 id3',
'An alias was previously found.',
),
);
}
public function testBuild()
{
$component = array(
new Expression('1 + 2', 'three'),
new Expression('1 + 3', 'four'),
);
$this->assertEquals(
Expression::build($component),
'1 + 2 AS `three`, 1 + 3 AS `four`'
);
}
}
|
