public function testListFolder() { if (file_exists($this->testDir)) { Filesystem::removeFolder($this->testDir); } mkdir($this->testDir); file_put_contents($this->testDir . '/testfile.txt', 'dummy_data'); $reader = $this->contentService->getReader('File:||' . $this->testDir); $list = $reader->getList(); $this->assertEquals(1, count($list)); $file = $list[0]; $writer = $file->getWriter(); $writer->write('new contents'); $this->assertEquals('new contents', file_get_contents($this->testDir . '/testfile.txt')); }