public function testMerge()
{
$segmentsDirectory = new Directory\Filesystem(__DIR__ . '/_source/_files');
$outputDirectory = new Directory\Filesystem(__DIR__ . '/_files');
$segmentsList = array('_0', '_1', '_2', '_3', '_4');
$segmentMerger = new Index\SegmentMerger($outputDirectory, 'mergedSegment');
foreach ($segmentsList as $segmentName) {
$segmentMerger->addSource(new Index\SegmentInfo($segmentsDirectory, $segmentName, 2));
}
$mergedSegment = $segmentMerger->merge();
$this->assertTrue($mergedSegment instanceof Index\SegmentInfo);
unset($mergedSegment);
$mergedFile = $outputDirectory->getFileObject('mergedSegment.cfs');
$mergedFileData = $mergedFile->readBytes($outputDirectory->fileLength('mergedSegment.cfs'));
$sampleFile = $outputDirectory->getFileObject('mergedSegment.cfs.sample');
$sampleFileData = $sampleFile->readBytes($outputDirectory->fileLength('mergedSegment.cfs.sample'));
$this->assertEquals($mergedFileData, $sampleFileData);
$outputDirectory->deleteFile('mergedSegment.cfs');
}
/**
* Merge specified segments
*
* $segments is an array of SegmentInfo objects
*
* @param array $segments
*/
private function _mergeSegments($segments)
{
$newName = $this->_newSegmentName();
$merger = new SegmentMerger($this->_directory, $newName);
foreach ($segments as $segmentInfo) {
$merger->addSource($segmentInfo);
$this->_segmentsToDelete[$segmentInfo->getName()] = $segmentInfo->getName();
}
$newSegment = $merger->merge();
if ($newSegment !== null) {
$this->_newSegments[$newSegment->getName()] = $newSegment;
}
$this->commit();
}
