/** * @test */ public function testWriteFile() { $file = new Filesystem(); $dir = static::getTempPath(__FUNCTION__); mkdir($dir); $file1 = rand(1, 10) . rand(0, getrandmax()); $path1 = $dir . DIRECTORY_SEPARATOR . $file1; $file->writeFile($path1, 'testWriteFile'); $this->assertEquals('testWriteFile', $file->readFile($path1)); $file->writeFile($path1, 'testWriteFile'); $this->assertEquals('testWriteFile', $file->readFile($path1, 256)); }