def test_backspace():
# Single backspace
assert strip_control_sequences("123\x084") == "124"
# Triple backspace
assert strip_control_sequences("123\x08\x08\x084") == "4"
# Backspaces followed with spaces
assert strip_control_sequences(
"\x08 \x08\x08 \x08\x08 \x08\x08 test") == " test"
def test_CSI():
# CSI without P and I stripped
assert strip_control_sequences("\x1b[@\x1b[a\x1b[~") == ""
# CSI with I stripped
assert strip_control_sequences("\x1b[ @\x1b[/~") == ""
# CSI with P and I stripped
assert strip_control_sequences("\x1b[0 @\x1b[0;7/~") == ""
# Cleaned stream
assert strip_control_sequences(
"L\x1b[@or\x1b[/~em\x1b[0 @ Ips\x1b[0;7/~um\x07") == "Lorem Ipsum"
def cleaned_input(self, input):
"""
Preprocessor to clean up and normalize input from device.
Delete ASCII sequences by default.
Can be overriden to achieve desired behavior
"""
return strip_control_sequences(input)
def test_C1_stripped():
"""
C1 set stripped (ESC+[ survive)
:return:
"""
assert strip_control_sequences("".join(
["\x1b" + chr(i) for i in range(64, 96)])) == "\x1b["
def test_control_survive():
"""
CR,LF and ESC survive from C0 set
:return:
"""
assert strip_control_sequences("".join([chr(i)
for i in range(32)])) == "\t\n\r"
def test_backspace(config, expected):
"""
Single backspace
Triple backspace
Backspaces followed with spaces
:return:
"""
assert strip_control_sequences(config) == expected
def test_CSI(config, expected):
"""
CSI without P and I stripped
CSI with I stripped
CSI with P and I stripped
Cleaned stream
:return:
"""
assert strip_control_sequences(config) == expected
def test_ascii_mess():
"""
ASCII mess
:return:
"""
assert strip_control_sequences(
"\x1b[2J\x1b[?7l\x1b[3;23r\x1b[?6l\x1b[24;27H\x1b[?25h\x1b[24;27H"
"\x1b[?6l\x1b[1;24r\x1b[?7l\x1b[2J\x1b[24;27H\x1b[1;24r\x1b[24;27H"
"\x1b[2J\x1b[?7l\x1b[1;24r\x1b[?6l\x1b[24;1H\x1b[1;24r\x1b[24;1H"
"\x1b[24;1H\x1b[2K\x1b[24;1H\x1b[?25h\x1b[24;1H\x1b[24;1Hswitch# "
"\x1b[24;1H\x1b[24;13H\x1b[24;1H\x1b[?25h\x1b[24;13H") == "switch# "
def test_incomplete_CSI(config, expected):
"""
Incomplete CSI passed
:return:
"""
assert strip_control_sequences(config) == expected
def test_C1_stripped(config, expected):
"""
C1 set stripped (ESC+[ survive)
:return:
"""
assert strip_control_sequences(config) == expected
def test_control_survive(config, expected):
"""
CR,LF and ESC survive from C0 set
:return:
"""
assert strip_control_sequences(config) == expected
def test_strip_normal(config, expected):
"""
Normal text leaved untouched
:return:
"""
assert strip_control_sequences(config) == expected
def test_ascii_mess(config, expected):
"""
ASCII mess
:return:
"""
assert strip_control_sequences(config) == expected
def test_incomplete_CSI():
"""
Incomplete CSI passed
:return:
"""
assert strip_control_sequences("\x1b[") == "\x1b["
def test_incomplete_C1():
"""
Incomplete C1 passed
"""
assert strip_control_sequences("\x1b") == "\x1b"
def test_strip_normal():
"""
Normal text leaved untouched
:return:
"""
assert strip_control_sequences("Lorem Ipsum") == "Lorem Ipsum"
