def test_overflow():
handler = argcheck()
screen = Screen(80, 24)
screen.cursor_position = handler
stream = Stream(screen)
stream.feed(ctrl.CSI + b"999999999999999;99999999999999" + esc.HVP)
assert handler.count == 1
assert handler.args == (9999, 9999)
def test_missing_params():
handler = argcheck()
screen = Screen(80, 24)
screen.cursor_position = handler
stream = Stream(screen)
stream.feed(ctrl.CSI + b";" + esc.HVP)
assert handler.count == 1
assert handler.args == (0, 0)
def test_unknown_sequences():
handler = argcheck()
screen = Screen(80, 24)
screen.debug = handler
stream = Stream(screen)
stream.feed(ctrl.CSI + b"6;Z")
assert handler.count == 1
assert handler.args == (6, 0)
assert handler.kwargs == {}
def test_linefeed():
# ``linefeed`` is somewhat an exception, there's three ways to
# trigger it.
handler = counter()
screen = Screen(80, 24)
screen.linefeed = handler
stream = Stream(screen)
stream.feed(ctrl.LF + ctrl.VT + ctrl.FF)
assert handler.count == 3
def test_control_characters():
handler = argcheck()
screen = Screen(80, 24)
screen.cursor_position = handler
stream = Stream(screen)
stream.feed(ctrl.CSI + b"10;\t\t\n\r\n10" + esc.HVP)
assert handler.count == 1
assert handler.args == (10, 10)
def test_basic_sequences():
for cmd, event in Stream.escape.items():
screen = Screen(80, 24)
handler = counter()
setattr(screen, event, handler)
stream = Stream(screen)
stream.feed(ctrl.ESC)
assert not handler.count
stream.feed(cmd)
assert handler.count == 1, event
def test_reset_mode():
bugger = counter()
screen = Screen(80, 24)
handler = argcheck()
screen.debug = bugger
screen.reset_mode = handler
stream = Stream(screen)
stream.feed(ctrl.CSI + b"?9;2l")
assert not bugger.count
assert handler.count == 1
assert handler.args == (9, 2)
def test_set_mode():
bugger = counter()
screen = Screen(80, 24)
handler = argcheck()
screen.debug = bugger
screen.set_mode = handler
stream = Stream(screen)
stream.feed(ctrl.CSI + b"?9;2h")
assert not bugger.count
assert handler.count == 1
assert handler.args == (9, 2)
assert handler.kwargs == {"private": True}
def test_interrupt():
bugger = argstore()
handler = argcheck()
screen = Screen(80, 24)
screen.draw = bugger
screen.cursor_position = handler
stream = Stream(screen)
stream.feed(ctrl.CSI + b"10;" + ctrl.SUB + b"10" + esc.HVP)
assert not handler.count
assert bugger.seen == [
ctrl.SUB, b"10" + esc.HVP
]
def test_compatibility_api():
screen = Screen(80, 24)
stream = Stream()
stream.attach(screen)
# All of the following shouldn't raise errors.
# a) adding more than one listener
stream.attach(Screen(80, 24))
# b) feeding text
stream.feed("привет")
# c) detaching an attached screen.
stream.detach(screen)
def test_set_title_icon_name():
screen = Screen(80, 24)
stream = Stream(screen)
# a) set only icon name
stream.feed(ctrl.OSC + b"1;foo" + ctrl.ST)
assert screen.icon_name == "foo"
# b) set only title
stream.feed(ctrl.OSC + b"2;foo" + ctrl.ST)
assert screen.title == "foo"
# c) set both icon name and title
stream.feed(ctrl.OSC + b"0;bar" + ctrl.ST)
assert screen.title == screen.icon_name == "bar"
def test_non_csi_sequences():
for cmd, event in Stream.csi.items():
# a) single param
handler = argcheck()
screen = Screen(80, 24)
setattr(screen, event, handler)
stream = Stream(screen)
stream.feed(ctrl.ESC + b"[5" + cmd)
assert handler.count == 1
assert handler.args == (5, )
# b) multiple params, and starts with CSI, not ESC [
handler = argcheck()
screen = Screen(80, 24)
setattr(screen, event, handler)
stream = Stream(screen)
stream.feed(ctrl.CSI + b"5;12" + cmd)
assert handler.count == 1
assert handler.args == (5, 12)
def test_set_title_icon_name():
screen = Screen(80, 24)
stream = Stream(screen)
# a) set only icon name
stream.feed(ctrl.OSC + b"1;foo" + ctrl.ST)
assert screen.icon_name == "foo"
# b) set only title
stream.feed(ctrl.OSC + b"2;foo" + ctrl.ST)
assert screen.title == "foo"
# c) set both icon name and title
stream.feed(ctrl.OSC + b"0;bar" + ctrl.ST)
assert screen.title == screen.icon_name == "bar"
# d) set both icon name and title then terminate with BEL
stream.feed(ctrl.OSC + b"0;bar" + ctrl.BEL)
assert screen.title == screen.icon_name == "bar"
# e) test ➜ ('\xe2\x9e\x9c') symbol, that contains string terminator \x9c
stream.feed(u"➜".encode("utf-8"))
assert screen.buffer[0][0].data == u"➜"
