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121 lines
4.2 KiB
Python
121 lines
4.2 KiB
Python
from textual.app import App, ComposeResult
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from textual.widgets import Input
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class InputTester(App[None]):
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"""Input widget testing app."""
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def compose(self) -> ComposeResult:
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for value, input_id in (
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("", "empty"),
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("Shiny", "single-word"),
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("Curse your sudden but inevitable betrayal", "multi-no-punctuation"),
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(
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"We have done the impossible, and that makes us mighty.",
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"multi-punctuation",
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),
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("Long as she does it quiet-like", "multi-and-hyphenated"),
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):
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yield Input(value, id=input_id)
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async def test_input_home() -> None:
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"""Going home should always land at position zero."""
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async with InputTester().run_test() as pilot:
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for input in pilot.app.query(Input):
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input.action_home()
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assert input.cursor_position == 0
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async def test_input_end() -> None:
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"""Going end should always land at the last position."""
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async with InputTester().run_test() as pilot:
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for input in pilot.app.query(Input):
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input.action_end()
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assert input.cursor_position == len(input.value)
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async def test_input_right_from_home() -> None:
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"""Going right should always land at the next position, if there is one."""
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async with InputTester().run_test() as pilot:
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for input in pilot.app.query(Input):
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input.action_cursor_right()
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assert input.cursor_position == (1 if input.value else 0)
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async def test_input_right_from_end() -> None:
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"""Going right should always stay put if doing so from the end."""
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async with InputTester().run_test() as pilot:
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for input in pilot.app.query(Input):
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input.action_end()
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input.action_cursor_right()
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assert input.cursor_position == len(input.value)
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async def test_input_left_from_home() -> None:
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"""Going left from home should stay put."""
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async with InputTester().run_test() as pilot:
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for input in pilot.app.query(Input):
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input.action_cursor_left()
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assert input.cursor_position == 0
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async def test_input_left_from_end() -> None:
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"""Going left from the end should go back one place, where possible."""
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async with InputTester().run_test() as pilot:
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for input in pilot.app.query(Input):
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input.action_end()
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input.action_cursor_left()
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assert input.cursor_position == (len(input.value) - 1 if input.value else 0)
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async def test_input_left_word_from_home() -> None:
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"""Going left one word from the start should do nothing."""
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async with InputTester().run_test() as pilot:
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for input in pilot.app.query(Input):
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input.action_cursor_left_word()
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assert input.cursor_position == 0
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async def test_input_left_word_from_end() -> None:
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"""Going left one word from the end should land correctly.."""
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async with InputTester().run_test() as pilot:
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expected_at: dict[str | None, int] = {
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"empty": 0,
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"single-word": 0,
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"multi-no-punctuation": 33,
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"multi-punctuation": 47,
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"multi-and-hyphenated": 26,
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}
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for input in pilot.app.query(Input):
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input.action_end()
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input.action_cursor_left_word()
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assert input.cursor_position == expected_at[input.id]
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async def test_input_right_word_from_start() -> None:
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"""Going right one word from the start should land correctly.."""
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async with InputTester().run_test() as pilot:
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expected_at: dict[str | None, int] = {
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"empty": 0,
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"single-word": 5,
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"multi-no-punctuation": 6,
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"multi-punctuation": 3,
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"multi-and-hyphenated": 5,
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}
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for input in pilot.app.query(Input):
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input.action_cursor_right_word()
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assert input.cursor_position == expected_at[input.id]
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async def test_input_right_word_from_end() -> None:
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"""Going right one word from the end should do nothing."""
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async with InputTester().run_test() as pilot:
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for input in pilot.app.query(Input):
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input.action_end()
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input.action_cursor_right_word()
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assert input.cursor_position == len(input.value)
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# TODO: more tests.
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