def test_comments(program):
commands = [
"#This line should get ignored",
"# This line should also get ignored",
"### This is ignored too",
]
bash = handler.ShellHandler("bash")
hand = handler.ShellHandler(program)
run_commands(bash, hand, commands)
def test_multiple_spaces_cmds(program):
cmds = [
"ls -la --color=never | wc",
"echo Hello > a.txt", 'echo "." > a.txt',
"ls --color=never < a.txt | wc >> a.txt"
]
hand = handler.ShellHandler(program)
bash = handler.ShellHandler("bash")
run_commands(bash, hand, cmds)
def test_nospaces_cmds(program):
cmds = [
"ls -la --color=never|wc", 'echo ".">a.txt', "ls --color=never<a.txt",
"find ~/ -print -type f|grep --color=never share>>a.txt"
]
hand = handler.ShellHandler(program)
bash = handler.ShellHandler("bash")
run_commands(bash, hand, cmds)
def test_command_execution(program):
commands = [
"ls -la --color=never",
'echo "Hello from my Shell"',
'echo "This Is a very Long String' + "A" * 1000 + '"',
'echo "This string contains chars and other things .912345&*<>again()?/_-+ ~#@%"',
]
bash = handler.ShellHandler("bash")
hand = handler.ShellHandler(program)
run_commands(bash, hand, commands)
def test_multiple_pipes(program):
commands = [
"ls -la --color=never | sort | uniq | wc",
"echo H" + "i" * 8000 + " | wc" * 200,
'echo "." > a1.txt',
"ls -la --color=never < a.txt | sort | uniq | grep a >> a1.txt",
]
bash = handler.ShellHandler("bash")
hand = handler.ShellHandler(program)
run_commands(bash, hand, commands)
def test_garbage_command(program):
hand = handler.ShellHandler(program)
bash = handler.ShellHandler("bash")
cmds = [
'"ls --color=never"', # this is a valid command
'"echo" "ThisShouldWorkToo"'
]
run_commands(bash, hand, cmds)
hand = handler.ShellHandler(program)
# this has to fail
out = hand.do_input("garbage command ls -la --color=never -print | grep | tail")
assert "not found" in out, "Garbage is not a valid command"
hand.do_end()
def test_command_redirection_simple_pipe(program):
commands = [
"ls -la --color=never | wc",
"ls -la --color=never | wc > a.txt",
"cat a.txt",
'echo "Hello Im Writing to the end of a file" >> a.txt',
"cat a.txt",
"wc < a.txt",
'echo "." > a.txt',
"ls --color=never < a.txt | wc > b.txt",
"ls --color=never > a.txt | wc",
]
bash = handler.ShellHandler("bash")
hand = handler.ShellHandler(program)
run_commands(bash, hand, commands)
def test_history(program):
handl = handler.ShellHandler(program)
# Run 10 commands to fill the history
cmds = [
"ls -la --color=never", "echo HelloWorld",
'find ~/ -type f -print | grep --color=never "Permission Denied" > out.txt',
"rm out.txt", "echo againHello", "ps aux", "ls -la --color=never | wc",
"echo HelloAgain", "ls -la | cat"
]
for cmd in cmds:
handl.do_input(cmd)
history = handl.do_input("history")
assert "[10]: history" in history, "'history' command must be part of the history"
cmd_result = handl.do_input("again 2")
assert cmd_result == "HelloWorld", "Bad again implementation"
cmd_result = handl.do_input("again 5 | sort > again.txt")
out = handl.do_input("ps aux | sort")
out2 = handl.do_input("cat again.txt")
assert out == out2
handl.do_input("rm again.txt")
cmd_result = handl.do_input("echo 'again 3 This must print'")
assert cmd_result == "again 3 This must print", "Quotes must escape again command"
handl.do_end()
