Test cases:

Get prompt Write to repl and get data as you type / real time repl Enter raw repl from prompt

Get prompt when you are on raw repl Re-enter raw repl

Exit raw repl

Execute raw and get final output Execute raw and get data as it executes and the leave raw repl

List files on root Make directory Put small file on root Put big file on root Get root file content

Put small file on directory Put big file on directory Get directory file content

Check for a file that exists on root folder Check for a file that exists on folder

Remove file Remove folder

Check for a file that doesn't exist

Creates a file from string Overrides a file content with string Rename file on root Rename file on folder

Provide feedback