Plum\Plum\WorkflowTest::processShouldApplyValueConverterToReadItems PHP Метод

    public function processShouldApplyValueConverterToReadItems()
    {
        $iterator = m::mock('\\Iterator');
        $iterator->shouldReceive('rewind');
        $iterator->shouldReceive('valid')->andReturn(true)->once();
        $iterator->shouldReceive('current')->andReturn(['foo' => 'foobar']);
        $iterator->shouldReceive('next');
        $iterator->shouldReceive('valid')->andReturn(false)->once();
        $reader = $this->getMockReader();
        $reader->shouldReceive('getIterator')->andReturn($iterator);
        $converter = $this->getMockConverter();
        $converter->shouldReceive('convert')->with('foobar')->once()->andReturn('FOOBAR');
        $this->workflow->addConverter(['converter' => $converter, 'field' => ['foo']]);
        $writer = $this->getMockWriter();
        $writer->shouldReceive('prepare');
        $writer->shouldReceive('writeItem')->with(['foo' => 'FOOBAR'])->once();
        $writer->shouldReceive('finish');
        $this->workflow->addWriter($writer);
        $result = $this->workflow->process($reader);
        $this->assertEquals(1, $result->getReadCount());
    }