function it_processes_etl_sequentially(ExtractorInterface $extractor, TransformerInterface $transformer, LoaderInterface $loader)
{
$extractor->extract()->shouldBeCalled()->willReturn(['a1', 'b1', 'c1'], null);
$transformer->transform(['a1', 'b1', 'c1'])->shouldBeCalled()->willReturn(['c1', 'b1', 'a1']);
$loader->load(['c1', 'b1', 'a1'])->shouldBeCalled();
$loader->flush()->shouldBeCalled();
$this->process();
}
function it_applies_transformer_on_given_path(TransformerInterface $transformer)
{
$transformer->transform('bar')->shouldBeCalled()->willReturn('Bar');
$this->transform(['foo' => 'foo', 'bar' => 'bar'])->shouldReturn(['foo' => 'foo', 'bar' => 'Bar']);
}
function it_transforms_using_all_registered_transformers(TransformerInterface $reverseTransformer, TransformerInterface $capitalizeTransformer)
{
$reverseTransformer->transform(['foo', 'bar'])->shouldBeCalled()->willReturn(['bar', 'foo']);
$capitalizeTransformer->transform(['bar', 'foo'])->shouldBeCalled()->willReturn(['Bar', 'Foo']);
$this->transform(['foo', 'bar'])->shouldReturn(['Bar', 'Foo']);
}