/**
* @expectedException InvalidArgumentException
*/
public function testDirectoryValidation()
{
$target_file = __DIR__ . DIRECTORY_SEPARATOR . 'data' . DIRECTORY_SEPARATOR . 'line_sample.txt';
$enumerator = new Enumerator($target_file, new DirectoryReader());
foreach ($enumerator->enumerate() as $inode) {
}
}
public function testFunctionMap()
{
$enumerator = new Enumerator($this->sample(), new LineReader(new FunctionMapTransformer(function ($value) {
return preg_split('/-/', trim($value));
})));
$collector = [];
foreach ($enumerator->enumerate() as $values) {
$collector[] = $values;
}
$expected = [["lorem"], ["ipsum"], ["dolor", "sit"]];
$this->assertEquals($expected, $collector, "Last value should be an array with two elements");
}
public function testTransformerAll()
{
$transformer = new CSVTransformer();
$transformer->mapColumn(0, function () {
return 1;
});
$transformer->columnsToNames([0 => "First", 1 => "Second", 2 => "Third"]);
$transformer->onlyColumns(0, 2);
$enumerator = new Enumerator($this->sample(), new CSVReader(CSVReader::COMMA_DELIMITED, $transformer));
$rows = [];
foreach ($enumerator->enumerate() as $row) {
$rows[] = $row;
}
$expected = [["First" => 1, "Third" => "dolor"], ["First" => 1, "Third" => "consectetur"], ["First" => 1, "Third" => "Donec"]];
$this->assertEquals($expected, $rows, "Transformations should work well togheter :)");
}
public function testTwoChainedFunctionMapTransformers()
{
$transformers = new FunctionMapTransformer(function ($value) {
return $value . '_first';
});
$transformers->chain(new FunctionMapTransformer(function ($value) {
return $value . '_second';
}));
$enumerator = new Enumerator(__DIR__ . '/data/line_sample.txt', new LineReader($transformers));
$collector = [];
foreach ($enumerator->enumerate() as $line) {
$collector[] = $line;
}
$expected_raw = file(__DIR__ . '/data/line_sample.txt');
$expected = [];
foreach ($expected_raw as $raw_line) {
$expected[] = $raw_line . '_first_second';
}
$this->assertEquals($expected, $collector, "Order should be preserved in transformer chaining");
}
