public function getNonEmptyCollections()
{
return ['array' => ['coll' => [1, 2], 'expected' => 2], 'array_with_keys' => ['coll' => ['one' => 1, 'two' => 2], 'expected' => 2], 'iterator' => ['coll' => new ArrayIterator([1, 2]), 'expected' => 2], 'generator' => ['coll' => apply(function () {
(yield 1);
(yield 2);
}), 'expected' => 2]];
}
private function generator(...$items)
{
return apply(function () use($items) {
foreach ($items as $item) {
(yield $item);
}
});
}
public function getValidCollections()
{
return ['array' => ['coll' => [1, 2, 3, 4, 5, 6, 7], 'partitionSize' => 2, 'expected' => [[0 => 1, 1 => 2], [2 => 3, 3 => 4], [4 => 5, 5 => 6], [6 => 7]]], 'array_with_keys' => ['coll' => ['one' => 1, 'two' => 2, 'three' => 3], 'partitionSize' => 2, 'expected' => [['one' => 1, 'two' => 2], ['three' => 3]]], 'iterator' => ['coll' => new ArrayIterator([1, 2, 3, 4, 5, 6, 7]), 'partitionSize' => 2, 'expected' => [[0 => 1, 1 => 2], [2 => 3, 3 => 4], [4 => 5, 5 => 6], [6 => 7]]], 'generator' => ['coll' => apply(function () {
(yield 1);
(yield 2);
(yield 3);
(yield 4);
(yield 5);
(yield 6);
(yield 7);
}), 'partitionSize' => 2, 'expected' => [[0 => 1, 1 => 2], [2 => 3, 3 => 4], [4 => 5, 5 => 6], [6 => 7]]]];
}
/**
* @test
* @dataProvider calculatorProvider
*/
public function is_should_compose_a_functions_combination($a, $b, $result)
{
$calculator = pipe($this->multiplier(), $this->byTwoDivider());
$this->assertSame($result, apply($calculator, [$a, $b]));
}
/**
* @test
* @dataProvider fibonacciValues
*/
public function it_should_call_fibonacci($number, $fibonacci)
{
$this->assertSame($fibonacci, apply($this->functionFibonacciMemoized(), [$number]));
}
/** @test */
public function it_should_return_null_if_all_predicates_are_not_true()
{
$this->assertNull(apply(do_if($this->sumOne(), [$this->isGreaterThanOne(), $this->isOdd()]), [3]));
}