protected function assertEmptyIteratorIsNotValidAndIteratesOnEmptyArray(Iterator $emptyIterator)
{
$this->assertFalse($emptyIterator->valid());
$result = array();
foreach ($emptyIterator as $row) {
$result[] = $row;
}
$this->assertEquals(array(), $result);
}
/**
* @dataProvider seekChunkChangeDataProvider
*/
public function testSeekChunkChange($jumpTo, $moreValidElements = true)
{
$csvContent = $this->getContent(202);
$filePath = $this->setUpVirtualFileAndGetPath($csvContent);
$csvIterator = new Iterator($filePath, ';');
$csvIterator->rewind();
$csvIterator->seek($jumpTo);
$this->assertTrue($csvIterator->valid());
$this->assertEquals(array('col1' => "val1-{$jumpTo}", 'col2' => "val2-{$jumpTo}"), $csvIterator->current());
$this->assertEquals($jumpTo, $csvIterator->key());
$csvIterator->next();
if ($moreValidElements) {
$next = $jumpTo + 1;
$this->assertTrue($csvIterator->valid());
$this->assertEquals(array('col1' => "val1-{$next}", 'col2' => "val2-{$next}"), $csvIterator->current());
$this->assertEquals($next, $csvIterator->key());
return;
}
$this->assertFalse($csvIterator->valid());
$csvIterator->rewind();
$this->assertTrue($csvIterator->valid());
$this->assertEquals(array('col1' => "val1-1", 'col2' => "val2-1"), $csvIterator->current());
$this->assertEquals(1, $csvIterator->key());
}
