Plum\Plum\WorkflowTest::processShouldApplyValueFilterToReadItems PHP Метод

    public function processShouldApplyValueFilterToReadItems()
    {
        $iterator = m::mock('\\Iterator');
        $iterator->shouldReceive('rewind');
        $iterator->shouldReceive('valid')->andReturn(true)->twice();
        $iterator->shouldReceive('current')->andReturn(['foo' => 'foobar'])->once();
        $iterator->shouldReceive('current')->andReturn(['foo' => 'foo'])->once();
        $iterator->shouldReceive('next')->twice();
        $iterator->shouldReceive('valid')->andReturn(false)->once();
        $reader = $this->getMockReader();
        $reader->shouldReceive('getIterator')->andReturn($iterator);
        $filter = $this->getMockFilter();
        $filter->shouldReceive('filter')->with('foobar')->once()->andReturn(false);
        $filter->shouldReceive('filter')->with('foo')->once()->andReturn(true);
        $this->workflow->addFilter(['filter' => $filter, 'field' => ['foo']]);
        $writer = $this->getMockWriter();
        $writer->shouldReceive('prepare');
        $writer->shouldReceive('finish');
        $writer->shouldReceive('writeItem')->with(['foo' => 'foo'])->once();
        $this->workflow->addWriter($writer);
        $result = $this->workflow->process($reader);
        $this->assertEquals(2, $result->getReadCount());
        $this->assertEquals(1, $result->getWriteCount());
    }