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ExpressionTest.php
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ExpressionTest.php
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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2016 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace ZendTest\Db\Sql;
use PHPUnit\Framework\TestCase;
use Zend\Db\Sql\Exception\InvalidArgumentException;
use Zend\Db\Sql\Expression;
/**
* This is a unit testing test case.
* A unit here is a method, there will be at least one test per method
*
* Expression is a value object with no dependencies/collaborators, therefore, no fixure needed
*/
class ExpressionTest extends TestCase
{
/**
* @covers \Zend\Db\Sql\Expression::setExpression
* @return Expression
*/
public function testSetExpression()
{
$expression = new Expression();
$return = $expression->setExpression('Foo Bar');
self::assertSame($expression, $return);
return $return;
}
/**
* @covers \Zend\Db\Sql\Expression::setExpression
*/
public function testSetExpressionException()
{
$expression = new Expression();
$this->expectException('Zend\Db\Sql\Exception\InvalidArgumentException');
$this->expectExceptionMessage('Supplied expression must be a string.');
$expression->setExpression(null);
}
/**
* @covers \Zend\Db\Sql\Expression::getExpression
* @depends testSetExpression
*/
public function testGetExpression(Expression $expression)
{
self::assertEquals('Foo Bar', $expression->getExpression());
}
/**
* @covers \Zend\Db\Sql\Expression::setParameters
*/
public function testSetParameters()
{
$expression = new Expression();
$return = $expression->setParameters('foo');
self::assertSame($expression, $return);
return $return;
}
/**
* @covers \Zend\Db\Sql\Expression::setParameters
*/
public function testSetParametersException()
{
$expression = new Expression('', 'foo');
$this->expectException('Zend\Db\Sql\Exception\InvalidArgumentException');
$this->expectExceptionMessage('Expression parameters must be a scalar or array.');
$expression->setParameters(null);
}
/**
* @covers \Zend\Db\Sql\Expression::getParameters
* @depends testSetParameters
*/
public function testGetParameters(Expression $expression)
{
self::assertEquals('foo', $expression->getParameters());
}
/**
* @covers \Zend\Db\Sql\Expression::setTypes
*/
public function testSetTypes()
{
$expression = new Expression();
$return = $expression->setTypes([
Expression::TYPE_IDENTIFIER,
Expression::TYPE_VALUE,
Expression::TYPE_LITERAL,
]);
self::assertSame($expression, $return);
return $expression;
}
/**
* @covers \Zend\Db\Sql\Expression::getTypes
* @depends testSetTypes
*/
public function testGetTypes(Expression $expression)
{
self::assertEquals(
[Expression::TYPE_IDENTIFIER, Expression::TYPE_VALUE, Expression::TYPE_LITERAL],
$expression->getTypes()
);
}
/**
* @covers \Zend\Db\Sql\Expression::getExpressionData
*/
public function testGetExpressionData()
{
$expression = new Expression(
'X SAME AS ? AND Y = ? BUT LITERALLY ?',
['foo', 5, 'FUNC(FF%X)'],
[Expression::TYPE_IDENTIFIER, Expression::TYPE_VALUE, Expression::TYPE_LITERAL]
);
self::assertEquals(
[[
'X SAME AS %s AND Y = %s BUT LITERALLY %s',
['foo', 5, 'FUNC(FF%X)'],
[Expression::TYPE_IDENTIFIER, Expression::TYPE_VALUE, Expression::TYPE_LITERAL],
]],
$expression->getExpressionData()
);
$expression = new Expression(
'X SAME AS ? AND Y = ? BUT LITERALLY ?',
[
['foo' => Expression::TYPE_IDENTIFIER],
[5 => Expression::TYPE_VALUE],
['FUNC(FF%X)' => Expression::TYPE_LITERAL],
]
);
$expected = [[
'X SAME AS %s AND Y = %s BUT LITERALLY %s',
['foo', 5, 'FUNC(FF%X)'],
[Expression::TYPE_IDENTIFIER, Expression::TYPE_VALUE, Expression::TYPE_LITERAL],
]];
self::assertEquals($expected, $expression->getExpressionData());
}
public function testGetExpressionDataWillEscapePercent()
{
$expression = new Expression('X LIKE "foo%"');
self::assertEquals(
['X LIKE "foo%%"'],
$expression->getExpressionData()
);
}
public function testConstructorWithLiteralZero()
{
$expression = new Expression('0');
self::assertSame('0', $expression->getExpression());
}
/**
* @group 7407
*/
public function testGetExpressionPreservesPercentageSignInFromUnixtime()
{
$expressionString = 'FROM_UNIXTIME(date, "%Y-%m")';
$expression = new Expression($expressionString);
self::assertSame($expressionString, $expression->getExpression());
}
public function testNumberOfReplacemensConsidersWhenSameVariableIsUsedManyTimes()
{
$expression = new Expression('uf.user_id = :user_id OR uf.friend_id = :user_id', ['user_id' => 1]);
$expression->getExpressionData();
}
/**
* @param mixed $falsyParameter
* @dataProvider falsyExpressionParametersProvider
*/
public function testConstructorWithFalsyValidParameters($falsyParameter)
{
$expression = new Expression('?', $falsyParameter);
self::assertSame($falsyParameter, $expression->getParameters());
}
public function testConstructorWithInvalidParameter()
{
$this->expectException(InvalidArgumentException::class);
$this->expectExceptionMessage('Expression parameters must be a scalar or array.');
new Expression('?', (object)[]);
}
public function falsyExpressionParametersProvider()
{
return [
[''],
['0'],
[0],
[0.0],
[false],
[[]],
];
}
}