def test_report_device_status():
screen = Screen(10, 10)
acc = []
screen.write_process_input = acc.append
# a) noop
screen.report_device_status(42)
assert not acc
# b) terminal status
screen.report_device_status(5)
assert acc.pop() == ctrl.CSI + "0n"
# c) cursor position, DECOM off
screen.cursor_to_column(5)
screen.report_device_status(6)
assert acc.pop() == "{0}{1};{2}R".format(ctrl.CSI, 1, 5)
# d) cursor position, DECOM on
screen.cursor_position()
screen.set_margins(5, 9)
screen.set_mode(mo.DECOM)
screen.cursor_to_line(5)
screen.report_device_status(6)
assert acc.pop() == "{0}{1};{2}R".format(ctrl.CSI, 5, 1)
def test_report_device_status():
screen = Screen(10, 10)
acc = []
screen.write_process_input = acc.append
# a) noop
screen.report_device_status(42)
assert not acc
# b) terminal status
screen.report_device_status(5)
assert acc.pop() == ctrl.CSI + b"0n"
# c) cursor position, DECOM off
screen.cursor_to_column(5)
screen.report_device_status(6)
assert acc.pop() == ctrl.CSI + "{0};{1}R".format(1, 5).encode("utf-8")
# d) cursor position, DECOM on
screen.cursor_position()
screen.set_margins(5, 9)
screen.set_mode(mo.DECOM)
screen.cursor_to_line(5)
screen.report_device_status(6)
assert acc.pop() == ctrl.CSI + "{0};{1}R".format(5, 1).encode("utf-8")
def test_attributes_reset():
screen = Screen(2, 2)
assert screen == [[screen.default_char, screen.default_char]] * 2
screen.select_graphic_rendition(1)
screen.draw("f")
screen.draw("o")
screen.draw("o")
assert screen == [
[Char("f", bold=True), Char("o", bold=True)],
[Char("o", bold=True), screen.default_char ],
]
screen.cursor_position()
screen.select_graphic_rendition(0) # Reset
screen.draw("f")
assert screen == [
[Char("f"), Char("o", bold=True)],
[Char("o", bold=True), screen.default_char ],
]
def test_attributes_reset():
screen = Screen(2, 2)
screen.set_mode(mo.LNM)
assert screen == [[screen.default_char, screen.default_char]] * 2
screen.select_graphic_rendition(1)
screen.draw("f")
screen.draw("o")
screen.draw("o")
assert screen == [
[Char("f", bold=True), Char("o", bold=True)],
[Char("o", bold=True), screen.default_char ],
]
screen.cursor_position()
screen.select_graphic_rendition(0) # Reset
screen.draw("f")
assert screen == [
[Char("f"), Char("o", bold=True)],
[Char("o", bold=True), screen.default_char ],
]
def test_draw():
# ``DECAWM`` on (default).
screen = Screen(3, 3)
screen.set_mode(mo.LNM)
assert mo.DECAWM in screen.mode
for ch in "abc":
screen.draw(ch)
assert screen.display == ["abc", " ", " "]
assert (screen.cursor.y, screen.cursor.x) == (0, 3)
# ... one` more character -- now we got a linefeed!
screen.draw("a")
assert (screen.cursor.y, screen.cursor.x) == (1, 1)
# ``DECAWM`` is off.
screen = Screen(3, 3)
screen.reset_mode(mo.DECAWM)
for ch in "abc":
screen.draw(ch)
assert screen.display == ["abc", " ", " "]
assert (screen.cursor.y, screen.cursor.x) == (0, 3)
# No linefeed is issued on the end of the line ...
screen.draw("a")
assert screen.display == ["aba", " ", " "]
assert (screen.cursor.y, screen.cursor.x) == (0, 3)
# ``IRM`` mode is on, expecting new characters to move the old ones
# instead of replacing them.
screen.set_mode(mo.IRM)
screen.cursor_position()
screen.draw("x")
assert screen.display == ["xab", " ", " "]
screen.cursor_position()
screen.draw("y")
assert screen.display == ["yxa", " ", " "]
def test_restore_cursor_out_of_bounds():
screen = Screen(10, 10)
# a) origin mode off.
screen.cursor_position(5, 5)
screen.save_cursor()
screen.resize(3, 3)
screen.reset()
screen.restore_cursor()
assert (screen.cursor.y, screen.cursor.x) == (2, 2)
# b) origin mode is on.
screen.resize(10, 10)
screen.cursor_position(8, 8)
screen.save_cursor()
screen.resize(5, 5)
screen.reset()
screen.set_mode(mo.DECOM)
screen.set_margins(2, 3)
screen.restore_cursor()
assert (screen.cursor.y, screen.cursor.x) == (2, 4)
def test_cursor_position():
screen = Screen(10, 10)
# a) testing that we expect 1-indexed values
screen.cursor_position(5, 10)
assert (screen.cursor.y, screen.cursor.x) == (4, 9)
# b) but (0, 0) is also accepted and should be the same as (1, 1)
screen.cursor_position(0, 10)
assert (screen.cursor.y, screen.cursor.x) == (0, 9)
# c) moving outside the margins constrains to within the screen
# bounds
screen.cursor_position(100, 5)
assert (screen.cursor.y, screen.cursor.x) == (9, 4)
screen.cursor_position(5, 100)
assert (screen.cursor.y, screen.cursor.x) == (4, 9)
# d) DECOM on
screen.set_margins(5, 9)
screen.set_mode(mo.DECOM)
screen.cursor_position()
assert (screen.cursor.y, screen.cursor.x) == (4, 0)
screen.cursor_position(2, 0)
assert (screen.cursor.y, screen.cursor.x) == (5, 0)
# Note that cursor position doesn't change.
screen.cursor_position(10, 0)
assert (screen.cursor.y, screen.cursor.x) == (5, 0)
