protected function getMetadata(O\Expression $expression)
{
if (!isset($this->metadata[$expression])) {
throw new TypeException('Cannot get metadata for expression of type \'%s\': the expression has no associated metadata', $expression->getType());
}
return $this->metadata[$expression];
}
/**
* @dataProvider expressions
*/
public function testExpressionWalkerPassesTheCorrectParameters(O\Expression $expression)
{
$called = false;
$expressionWalker = new O\DynamicExpressionWalker([$expression->getType() => function ($walkedExpression, $calledWalker) use($expression, &$called, &$expressionWalker) {
$called = true;
$this->assertSame($expression, $walkedExpression);
$this->assertSame($expressionWalker, $calledWalker);
}]);
$expressionWalker->walk($expression);
$this->assertTrue($called);
}
/**
* @param string $name
* @param mixed[] $arguments
*
* @return O\MethodCallExpression
*/
protected function newMethod($name, array $arguments = [])
{
return O\Expression::methodCall($this->expression, O\Expression::value($name), array_map([O\Expression::getType(), 'argument'], array_map([O\Expression::getType(), 'value'], $arguments)));
}
public function testOptimizeQueryReturnsExpression()
{
$this->assertInstanceOf(O\Expression::getType(), $this->queryResultsCollection->optimizeQuery($this->queryable->getExpression()));
$this->assertInstanceOf(O\Expression::getType(), $this->queryResultsCollection->optimizeQuery($this->queryable->take(1)->select('strlen')->getExpression()));
}
