public function testIsMappable()
{
$collection = InMemory::fromArray([0, 1, 2, 3, 4]);
$mapped = $collection->map(function ($number) {
return $number * 2;
});
$this->assertTrue($mapped->contains(0));
$this->assertTrue($mapped->contains(2));
$this->assertTrue($mapped->contains(4));
$this->assertTrue($mapped->contains(6));
$this->assertTrue($mapped->contains(8));
$this->assertEquals(5, count($mapped));
$this->assertNotSame($mapped, $collection);
}
/**
* List the files and directories in the given directory path.
*
* @param string $path The subdirectory path within this directory
* @param bool $recursive Find files and directories recursively
* @param string[] $types Entry types to return ('file' and/or 'dir')
*
* @return Collection<File|Directory>
*
* @throws \InvalidArgumentException
*/
protected function getEntries($path = '', $recursive = true, $types = ['file', 'dir'])
{
$contents = $this->fs->listContents($this->getInternalPath($path), $recursive);
if (!$contents) {
$contents = [];
}
$contents = array_filter($contents, function ($metadata) use($types) {
return in_array($metadata['type'], $types);
});
return Collection\InMemory::fromArray(array_map(function ($metadata) {
if ($metadata['type'] === 'file') {
return new File($this, $metadata['path']);
}
return new self($this->fs, $this->local_path, $metadata['path']);
}, $contents));
}