{@inheritDoc}
| public groupJoin ( $values ) : Pinq\Interfaces\IJoiningOnCollection | ||
| return | Pinq\Interfaces\IJoiningOnCollection | |
/**
* @dataProvider oneToTen
*/
public function testGroupJoinApplyToSelfWithInnerIndexBy(\Pinq\ICollection $collection)
{
$inner = $collection->indexBy(function ($i) {
return $i - 1;
})->select(function ($i) {
return (int) $i;
});
$collection->groupJoin($inner)->on(function ($outer, $inner) {
return $outer > $inner;
})->apply(function (&$outer, \Pinq\ITraversable $group) {
$outer .= ':' . $group->implode(',');
});
$this->assertMatches($collection, [0 => '1:', 1 => '2:1', 2 => '3:1,2', 3 => '4:1,2,3', 4 => '5:1,2,3,4', 5 => '6:1,2,3,4,5', 6 => '7:1,2,3,4,5,6', 7 => '8:1,2,3,4,5,6,7', 8 => '9:1,2,3,4,5,6,7,8', 9 => '10:1,2,3,4,5,6,7,8,9']);
}
/**
* @dataProvider oneToTen
*/
public function testThatOnEqualityWillNotMatchNullsAndUseDefault(\Pinq\ICollection $collection, array $data)
{
$collection->groupJoin($collection)->onEquality(function ($i) {
return $i % 2 === 0 ? $i : null;
}, function ($i) {
return $i % 2 === 0 ? $i : null;
})->withDefault('<DEFAULT>')->apply(function (&$outer, \Pinq\ITraversable $innerGroup) {
$outer .= ':' . $innerGroup->implode('-');
});
$this->assertMatches($collection, ['1:<DEFAULT>', '2:2', '3:<DEFAULT>', '4:4', '5:<DEFAULT>', '6:6', '7:<DEFAULT>', '8:8', '9:<DEFAULT>', '10:10']);
}
