public function testSplit()
{
$csvSplitter = new CSVSplitter();
// Test for an non-existing file
try {
$csvSplitter->split('AnIncorrectFile.txt');
$this->fail('An exception should be thrown if an incorrect filename was given.');
} catch (Exception $e) {
$this->assertEquals(CSVSplitterException::SOURCE_FILE_NOT_FOUND, $e->getCode());
}
// Checks for an empty file
touch('EmptyFile.csv');
try {
$csvSplitter->split('EmptyFile.csv');
$this->fail('An exception should be thrown if the give file is empty.');
} catch (Exception $e) {
$this->assertEquals(CSVSplitterException::SOURCE_FILE_EMPTY, $e->getCode());
}
unlink('EmptyFile.csv');
// Checks for splitting files
$csvSplitter->split($this->testFilePath);
$actualFileNames = array();
$dirPath = $csvSplitter->getTempDir();
$dir = opendir($dirPath);
while ($file = readdir($dir)) {
if (preg_match('/^_temp*/', $file)) {
$actualFileNames[] = $dirPath . '/' . $file;
}
}
$expectedFileNames = $csvSplitter->getTempFileList();
sort($actualFileNames);
sort($expectedFileNames);
$this->assertEquals($expectedFileNames, $actualFileNames);
$header = $csvSplitter->getHeader();
foreach ($actualFileNames as $file) {
$this->assertTrue(filesize($file) > 0);
if (!is_null($header)) {
$contents = file($file);
list($actualTempFileHeader) = $contents;
$this->assertEquals($header, trim($actualTempFileHeader));
}
}
}
