/
ExpectationPipeline.php
89 lines (75 loc) · 1.64 KB
/
ExpectationPipeline.php
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<?php
declare(strict_types=1);
namespace Pest\Support;
use Closure;
/**
* @internal
*/
final class ExpectationPipeline
{
/**
* The list of pipes.
*
* @var array<int, Closure>
*/
private array $pipes = [];
/**
* The list of passables.
*
* @var array<array-key, mixed>
*/
private array $passables;
/**
* Creates a new instance of Expectation Pipeline.
*/
public function __construct(
private readonly Closure $closure
) {
}
/**
* Creates a new instance of Expectation Pipeline with given closure.
*/
public static function for(Closure $closure): self
{
return new self($closure);
}
/**
* Sets the list of passables.
*/
public function send(mixed ...$passables): self
{
$this->passables = $passables;
return $this;
}
/**
* Sets the list of pipes.
*
* @param array<int, Closure> $pipes
*/
public function through(array $pipes): self
{
$this->pipes = $pipes;
return $this;
}
/**
* Runs the pipeline.
*/
public function run(): void
{
$pipeline = array_reduce(
array_reverse($this->pipes),
$this->carry(),
function (): void {
call_user_func_array($this->closure, $this->passables);
}
);
$pipeline();
}
/**
* Get a Closure that will carry of the expectation.
*/
public function carry(): Closure
{
return fn (mixed $stack, callable $pipe): Closure => fn () => $pipe($stack, ...$this->passables);
}
}