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"""Unit testing for cmd2/terminal_utils.py module"""
import pytest
from cmd2 import (
Color,
)
from cmd2 import string_utils as su
from cmd2 import terminal_utils as tu
def test_set_title() -> None:
title = "Hello, world!"
assert tu.set_title_str(title) == tu.OSC + '2;' + title + tu.BEL
@pytest.mark.parametrize(
('cols', 'prompt', 'line', 'cursor', 'msg', 'expected'),
[
(
127,
'(Cmd) ',
'help his',
12,
su.stylize('Hello World!', style=Color.MAGENTA),
'\x1b[2K\r\x1b[35mHello World!\x1b[0m',
),
(127, '\n(Cmd) ', 'help ', 5, 'foo', '\x1b[2K\x1b[1A\x1b[2K\rfoo'),
(
10,
'(Cmd) ',
'help history of the american republic',
4,
'boo',
'\x1b[3B\x1b[2K\x1b[1A\x1b[2K\x1b[1A\x1b[2K\x1b[1A\x1b[2K\x1b[1A\x1b[2K\rboo',
),
],
)
def test_async_alert_str(cols, prompt, line, cursor, msg, expected) -> None:
alert_str = tu.async_alert_str(terminal_columns=cols, prompt=prompt, line=line, cursor_offset=cursor, alert_msg=msg)
assert alert_str == expected
def test_clear_screen() -> None:
clear_type = 2
assert tu.clear_screen_str(clear_type) == f"{tu.CSI}{clear_type}J"
clear_type = -1
expected_err = "clear_type must in an integer from 0 to 3"
with pytest.raises(ValueError, match=expected_err):
tu.clear_screen_str(clear_type)
clear_type = 4
with pytest.raises(ValueError, match=expected_err):
tu.clear_screen_str(clear_type)
def test_clear_line() -> None:
clear_type = 2
assert tu.clear_line_str(clear_type) == f"{tu.CSI}{clear_type}K"
clear_type = -1
expected_err = "clear_type must in an integer from 0 to 2"
with pytest.raises(ValueError, match=expected_err):
tu.clear_line_str(clear_type)
clear_type = 3
with pytest.raises(ValueError, match=expected_err):
tu.clear_line_str(clear_type)
def test_cursor() -> None:
count = 1
assert tu.Cursor.UP(count) == f"{tu.CSI}{count}A"
assert tu.Cursor.DOWN(count) == f"{tu.CSI}{count}B"
assert tu.Cursor.FORWARD(count) == f"{tu.CSI}{count}C"
assert tu.Cursor.BACK(count) == f"{tu.CSI}{count}D"
x = 4
y = 5
assert tu.Cursor.SET_POS(x, y) == f"{tu.CSI}{y};{x}H"
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