mirror of https://github.com/Textualize/rich.git
426 lines
16 KiB
Python
426 lines
16 KiB
Python
import dataclasses
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import sys
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from unittest import mock
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from unittest.mock import patch
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import pytest
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from rich.style import Style
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if sys.platform == "win32":
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from rich import _win32_console
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from rich._win32_console import COORD, LegacyWindowsTerm, WindowsCoordinates
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CURSOR_X = 1
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CURSOR_Y = 2
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CURSOR_POSITION = WindowsCoordinates(row=CURSOR_Y, col=CURSOR_X)
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SCREEN_WIDTH = 20
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SCREEN_HEIGHT = 30
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DEFAULT_STYLE_ATTRIBUTE = 16
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@dataclasses.dataclass
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class StubScreenBufferInfo:
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dwCursorPosition: COORD = COORD(CURSOR_X, CURSOR_Y)
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dwSize: COORD = COORD(SCREEN_WIDTH, SCREEN_HEIGHT)
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wAttributes: int = DEFAULT_STYLE_ATTRIBUTE
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pytestmark = pytest.mark.skipif(sys.platform != "win32", reason="windows only")
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def test_windows_coordinates_to_ctype():
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coord = WindowsCoordinates.from_param(WindowsCoordinates(row=1, col=2))
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assert coord.X == 2
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assert coord.Y == 1
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@pytest.fixture
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def win32_handle():
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handle = mock.sentinel
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with mock.patch.object(_win32_console, "GetStdHandle", return_value=handle):
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yield handle
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_cursor_position(_):
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term = LegacyWindowsTerm(sys.stdout)
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assert term.cursor_position == WindowsCoordinates(row=CURSOR_Y, col=CURSOR_X)
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_screen_size(_):
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term = LegacyWindowsTerm(sys.stdout)
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assert term.screen_size == WindowsCoordinates(
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row=SCREEN_HEIGHT, col=SCREEN_WIDTH
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)
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_write_text(_, win32_handle, capsys):
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text = "Hello, world!"
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term = LegacyWindowsTerm(sys.stdout)
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term.write_text(text)
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captured = capsys.readouterr()
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assert captured.out == text
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@patch.object(_win32_console, "SetConsoleTextAttribute")
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_write_styled(_, SetConsoleTextAttribute, win32_handle, capsys):
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style = Style.parse("black on red")
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text = "Hello, world!"
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term = LegacyWindowsTerm(sys.stdout)
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term.write_styled(text, style)
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captured = capsys.readouterr()
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assert captured.out == text
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# Ensure we set the text attributes and then reset them after writing styled text
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call_args = SetConsoleTextAttribute.call_args_list
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assert len(call_args) == 2
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first_args, first_kwargs = call_args[0]
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second_args, second_kwargs = call_args[1]
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assert first_args == (win32_handle,)
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assert first_kwargs["attributes"].value == 64
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assert second_args == (win32_handle,)
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assert second_kwargs["attributes"] == DEFAULT_STYLE_ATTRIBUTE
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@patch.object(_win32_console, "SetConsoleTextAttribute")
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_write_styled_bold(_, SetConsoleTextAttribute, win32_handle):
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style = Style.parse("bold black on red")
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text = "Hello, world!"
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term = LegacyWindowsTerm(sys.stdout)
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term.write_styled(text, style)
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call_args = SetConsoleTextAttribute.call_args_list
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first_args, first_kwargs = call_args[0]
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expected_attr = 64 + 8 # 64 for red bg, +8 for bright black
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assert first_args == (win32_handle,)
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assert first_kwargs["attributes"].value == expected_attr
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@patch.object(_win32_console, "SetConsoleTextAttribute")
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_write_styled_reverse(_, SetConsoleTextAttribute, win32_handle):
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style = Style.parse("reverse red on blue")
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text = "Hello, world!"
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term = LegacyWindowsTerm(sys.stdout)
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term.write_styled(text, style)
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call_args = SetConsoleTextAttribute.call_args_list
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first_args, first_kwargs = call_args[0]
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expected_attr = 64 + 1 # 64 for red bg (after reverse), +1 for blue fg
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assert first_args == (win32_handle,)
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assert first_kwargs["attributes"].value == expected_attr
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@patch.object(_win32_console, "SetConsoleTextAttribute")
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_write_styled_reverse(_, SetConsoleTextAttribute, win32_handle):
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style = Style.parse("dim bright_red on blue")
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text = "Hello, world!"
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term = LegacyWindowsTerm(sys.stdout)
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term.write_styled(text, style)
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call_args = SetConsoleTextAttribute.call_args_list
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first_args, first_kwargs = call_args[0]
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expected_attr = 4 + 16 # 4 for red text (after dim), +16 for blue bg
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assert first_args == (win32_handle,)
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assert first_kwargs["attributes"].value == expected_attr
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@patch.object(_win32_console, "SetConsoleTextAttribute")
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_write_styled_no_foreground_color(_, SetConsoleTextAttribute, win32_handle):
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style = Style.parse("on blue")
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text = "Hello, world!"
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term = LegacyWindowsTerm(sys.stdout)
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term.write_styled(text, style)
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call_args = SetConsoleTextAttribute.call_args_list
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first_args, first_kwargs = call_args[0]
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expected_attr = 16 | term._default_fore # 16 for blue bg, plus default fg color
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assert first_args == (win32_handle,)
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assert first_kwargs["attributes"].value == expected_attr
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@patch.object(_win32_console, "SetConsoleTextAttribute")
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_write_styled_no_background_color(_, SetConsoleTextAttribute, win32_handle):
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style = Style.parse("blue")
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text = "Hello, world!"
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term = LegacyWindowsTerm(sys.stdout)
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term.write_styled(text, style)
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call_args = SetConsoleTextAttribute.call_args_list
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first_args, first_kwargs = call_args[0]
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expected_attr = (
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16 | term._default_back
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) # 16 for blue foreground, plus default bg color
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assert first_args == (win32_handle,)
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assert first_kwargs["attributes"].value == expected_attr
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@patch.object(_win32_console, "FillConsoleOutputCharacter", return_value=None)
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@patch.object(_win32_console, "FillConsoleOutputAttribute", return_value=None)
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_erase_line(
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_, FillConsoleOutputAttribute, FillConsoleOutputCharacter, win32_handle
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):
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term = LegacyWindowsTerm(sys.stdout)
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term.erase_line()
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start = WindowsCoordinates(row=CURSOR_Y, col=0)
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FillConsoleOutputCharacter.assert_called_once_with(
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win32_handle, " ", length=SCREEN_WIDTH, start=start
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)
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FillConsoleOutputAttribute.assert_called_once_with(
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win32_handle, DEFAULT_STYLE_ATTRIBUTE, length=SCREEN_WIDTH, start=start
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)
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@patch.object(_win32_console, "FillConsoleOutputCharacter", return_value=None)
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@patch.object(_win32_console, "FillConsoleOutputAttribute", return_value=None)
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_erase_end_of_line(
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_, FillConsoleOutputAttribute, FillConsoleOutputCharacter, win32_handle
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):
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term = LegacyWindowsTerm(sys.stdout)
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term.erase_end_of_line()
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FillConsoleOutputCharacter.assert_called_once_with(
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win32_handle, " ", length=SCREEN_WIDTH - CURSOR_X, start=CURSOR_POSITION
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)
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FillConsoleOutputAttribute.assert_called_once_with(
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win32_handle,
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DEFAULT_STYLE_ATTRIBUTE,
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length=SCREEN_WIDTH - CURSOR_X,
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start=CURSOR_POSITION,
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)
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@patch.object(_win32_console, "FillConsoleOutputCharacter", return_value=None)
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@patch.object(_win32_console, "FillConsoleOutputAttribute", return_value=None)
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_erase_start_of_line(
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_, FillConsoleOutputAttribute, FillConsoleOutputCharacter, win32_handle
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):
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term = LegacyWindowsTerm(sys.stdout)
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term.erase_start_of_line()
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start = WindowsCoordinates(CURSOR_Y, 0)
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FillConsoleOutputCharacter.assert_called_once_with(
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win32_handle, " ", length=CURSOR_X, start=start
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)
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FillConsoleOutputAttribute.assert_called_once_with(
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win32_handle, DEFAULT_STYLE_ATTRIBUTE, length=CURSOR_X, start=start
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)
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@patch.object(_win32_console, "SetConsoleCursorPosition", return_value=None)
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_move_cursor_to(_, SetConsoleCursorPosition, win32_handle):
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coords = WindowsCoordinates(row=4, col=5)
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term = LegacyWindowsTerm(sys.stdout)
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term.move_cursor_to(coords)
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SetConsoleCursorPosition.assert_called_once_with(win32_handle, coords=coords)
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@patch.object(_win32_console, "SetConsoleCursorPosition", return_value=None)
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_move_cursor_to_out_of_bounds_row(
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_, SetConsoleCursorPosition, win32_handle
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):
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coords = WindowsCoordinates(row=-1, col=4)
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term = LegacyWindowsTerm(sys.stdout)
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term.move_cursor_to(coords)
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assert not SetConsoleCursorPosition.called
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@patch.object(_win32_console, "SetConsoleCursorPosition", return_value=None)
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_move_cursor_to_out_of_bounds_col(
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_, SetConsoleCursorPosition, win32_handle
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):
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coords = WindowsCoordinates(row=10, col=-4)
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term = LegacyWindowsTerm(sys.stdout)
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term.move_cursor_to(coords)
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assert not SetConsoleCursorPosition.called
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@patch.object(_win32_console, "SetConsoleCursorPosition", return_value=None)
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_move_cursor_up(_, SetConsoleCursorPosition, win32_handle):
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term = LegacyWindowsTerm(sys.stdout)
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term.move_cursor_up()
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SetConsoleCursorPosition.assert_called_once_with(
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win32_handle, coords=WindowsCoordinates(row=CURSOR_Y - 1, col=CURSOR_X)
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)
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@patch.object(_win32_console, "SetConsoleCursorPosition", return_value=None)
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_move_cursor_down(_, SetConsoleCursorPosition, win32_handle):
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term = LegacyWindowsTerm(sys.stdout)
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term.move_cursor_down()
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SetConsoleCursorPosition.assert_called_once_with(
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win32_handle, coords=WindowsCoordinates(row=CURSOR_Y + 1, col=CURSOR_X)
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)
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@patch.object(_win32_console, "SetConsoleCursorPosition", return_value=None)
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_move_cursor_forward(_, SetConsoleCursorPosition, win32_handle):
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term = LegacyWindowsTerm(sys.stdout)
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term.move_cursor_forward()
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SetConsoleCursorPosition.assert_called_once_with(
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win32_handle, coords=WindowsCoordinates(row=CURSOR_Y, col=CURSOR_X + 1)
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)
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@patch.object(_win32_console, "SetConsoleCursorPosition", return_value=None)
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def test_move_cursor_forward_newline_wrap(SetConsoleCursorPosition, win32_handle):
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cursor_at_end_of_line = StubScreenBufferInfo(
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dwCursorPosition=COORD(SCREEN_WIDTH - 1, CURSOR_Y)
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)
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with patch.object(
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_win32_console,
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"GetConsoleScreenBufferInfo",
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return_value=cursor_at_end_of_line,
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):
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term = LegacyWindowsTerm(sys.stdout)
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term.move_cursor_forward()
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SetConsoleCursorPosition.assert_called_once_with(
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win32_handle, coords=WindowsCoordinates(row=CURSOR_Y + 1, col=0)
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)
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@patch.object(_win32_console, "SetConsoleCursorPosition", return_value=None)
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_move_cursor_to_column(_, SetConsoleCursorPosition, win32_handle):
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term = LegacyWindowsTerm(sys.stdout)
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term.move_cursor_to_column(5)
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SetConsoleCursorPosition.assert_called_once_with(
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win32_handle, coords=WindowsCoordinates(CURSOR_Y, 5)
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)
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@patch.object(_win32_console, "SetConsoleCursorPosition", return_value=None)
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_move_cursor_backward(_, SetConsoleCursorPosition, win32_handle):
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term = LegacyWindowsTerm(sys.stdout)
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term.move_cursor_backward()
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SetConsoleCursorPosition.assert_called_once_with(
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win32_handle, coords=WindowsCoordinates(row=CURSOR_Y, col=CURSOR_X - 1)
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)
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@patch.object(_win32_console, "SetConsoleCursorPosition", return_value=None)
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def test_move_cursor_backward_prev_line_wrap(
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SetConsoleCursorPosition, win32_handle
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):
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cursor_at_start_of_line = StubScreenBufferInfo(
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dwCursorPosition=COORD(0, CURSOR_Y)
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)
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with patch.object(
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_win32_console,
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"GetConsoleScreenBufferInfo",
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return_value=cursor_at_start_of_line,
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):
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term = LegacyWindowsTerm(sys.stdout)
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term.move_cursor_backward()
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SetConsoleCursorPosition.assert_called_once_with(
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win32_handle,
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coords=WindowsCoordinates(row=CURSOR_Y - 1, col=SCREEN_WIDTH - 1),
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)
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@patch.object(_win32_console, "SetConsoleCursorInfo", return_value=None)
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_hide_cursor(_, SetConsoleCursorInfo, win32_handle):
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term = LegacyWindowsTerm(sys.stdout)
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term.hide_cursor()
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call_args = SetConsoleCursorInfo.call_args_list
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assert len(call_args) == 1
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args, kwargs = call_args[0]
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assert kwargs["cursor_info"].bVisible == 0
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assert kwargs["cursor_info"].dwSize == 100
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@patch.object(_win32_console, "SetConsoleCursorInfo", return_value=None)
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@patch.object(
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_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo
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)
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def test_show_cursor(_, SetConsoleCursorInfo, win32_handle):
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term = LegacyWindowsTerm(sys.stdout)
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term.show_cursor()
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call_args = SetConsoleCursorInfo.call_args_list
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assert len(call_args) == 1
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args, kwargs = call_args[0]
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assert kwargs["cursor_info"].bVisible == 1
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assert kwargs["cursor_info"].dwSize == 100
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@patch.object(_win32_console, "SetConsoleTitle", return_value=None)
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def test_set_title(SetConsoleTitle):
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term = LegacyWindowsTerm(sys.stdout)
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term.set_title("title")
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SetConsoleTitle.assert_called_once_with("title")
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@patch.object(_win32_console, "SetConsoleTitle", return_value=None)
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def test_set_title_too_long(_):
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term = LegacyWindowsTerm(sys.stdout)
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with pytest.raises(AssertionError):
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term.set_title("a" * 255)
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