/**
* @dataProvider theImplementations
*/
public function testThatMaintainsCorrectSameIteratorScheme(\Pinq\ITraversable $traversable, array $data)
{
$originalScheme = $traversable->getIteratorScheme();
$queriedTraversable = $traversable->where(function () {
throw new \Exception('This should never be executed');
})->append([])->difference([])->except([])->groupBy(function () {
return 1;
})->groupJoin([])->on(function () {
return true;
})->to(function () {
return 1;
})->indexBy(function () {
return 1;
})->intersect([])->join([])->on(function () {
return true;
})->to(function () {
return 1;
})->keys()->orderBy(function () {
return 1;
}, \Pinq\Direction::ASCENDING)->thenByDescending(function () {
return 1;
})->reindex()->select(function () {
return 1;
})->selectMany(function () {
return [];
})->skip(1)->take(5)->union([])->where(function () {
return true;
})->whereIn([]);
//Well that was fun
$this->assertSame($originalScheme, $queriedTraversable->getIteratorScheme());
}
/**
* @dataProvider people
*/
public function testWhereCondition(\Pinq\ITraversable $traversable, array $data)
{
$fileteredNames = $traversable->where(function ($i) {
return strpos($i['firstName'], 'D') !== false;
})->implode(':', function ($i) {
return $i['firstName'] . ' ' . $i['lastName'];
});
$this->assertEquals('Daniel Farmer:Dave Desopolous:David Faller:Daniel Dekresta', $fileteredNames);
}
/**
* @dataProvider assocOneToTen
*/
public function testThatElementsAreFilteredFromTraversableAndPreserveKeys(\Pinq\ITraversable $numbers, array $data)
{
$predicate = function ($i) {
return $i % 2 === 0;
};
$evenNumbers = $numbers->where($predicate);
foreach ($data as $key => $value) {
if (!$predicate($value)) {
unset($data[$key]);
}
}
$this->assertMatches($evenNumbers, $data);
}
public function visitFilter(Segments\Filter $query)
{
$this->traversable = $this->traversable->where($this->resolvedParameters[$query->getProjectionFunction()->getCallableId()]);
}
/**
* @dataProvider theImplementations
*/
public function testThatExecutionIsDeferred(\Pinq\ITraversable $traversable, array $data)
{
$this->assertThatExecutionIsDeferred(function (callable $function) use($traversable) {
return $traversable->where($function)->reindex();
});
}
