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"""Unit tests for Input widget position movement actions."""
from __future__ import annotations
from textual.app import App, ComposeResult
from textual.widgets import Input
class InputTester(App[None]):
"""Input widget testing app."""
def compose(self) -> ComposeResult:
for value, input_id in (
("", "empty"),
("Shiny", "single-word"),
("Curse your sudden but inevitable betrayal", "multi-no-punctuation"),
(
"We have done the impossible, and that makes us mighty.",
"multi-punctuation",
),
("Long as she does it quiet-like", "multi-and-hyphenated"),
):
yield Input(value, id=input_id)
async def test_input_home() -> None:
"""Going home should always land at position zero."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.action_home()
assert input.cursor_position == 0
async def test_input_end() -> None:
"""Going end should always land at the last position."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.action_end()
assert input.cursor_position == len(input.value)
async def test_input_right_from_home() -> None:
"""Going right should always land at the next position, if there is one."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.cursor_position = 0
input.action_cursor_right()
assert input.cursor_position == (1 if input.value else 0)
async def test_input_right_from_end() -> None:
"""Going right should always stay put if doing so from the end."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.action_end()
input.action_cursor_right()
assert input.cursor_position == len(input.value)
async def test_input_left_from_home() -> None:
"""Going left from home should stay put."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.cursor_position = 0
input.action_cursor_left()
assert input.cursor_position == 0
async def test_input_left_from_end() -> None:
"""Going left from the end should go back one place, where possible."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.action_end()
input.action_cursor_left()
assert input.cursor_position == (len(input.value) - 1 if input.value else 0)
async def test_input_left_word_from_home() -> None:
"""Going left one word from the start should do nothing."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.cursor_position = 0
input.action_cursor_left_word()
assert input.cursor_position == 0
async def test_input_left_word_from_end() -> None:
"""Going left one word from the end should land correctly.."""
async with InputTester().run_test() as pilot:
expected_at: dict[str | None, int] = {
"empty": 0,
"single-word": 0,
"multi-no-punctuation": 33,
"multi-punctuation": 47,
"multi-and-hyphenated": 26,
}
for input in pilot.app.query(Input):
input.action_end()
input.action_cursor_left_word()
assert input.cursor_position == expected_at[input.id]
async def test_password_input_left_word_from_end() -> None:
"""Going left one word from the end in a password field should land at home."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.action_end()
input.password = True
input.action_cursor_left_word()
assert input.cursor_position == 0
async def test_input_right_word_from_home() -> None:
"""Going right one word from the start should land correctly.."""
async with InputTester().run_test() as pilot:
expected_at: dict[str | None, int] = {
"empty": 0,
"single-word": 5,
"multi-no-punctuation": 6,
"multi-punctuation": 3,
"multi-and-hyphenated": 5,
}
for input in pilot.app.query(Input):
input.cursor_position = 0
input.action_cursor_right_word()
assert input.cursor_position == expected_at[input.id]
async def test_password_input_right_word_from_home() -> None:
"""Going right one word from the start of a password input should go to the end."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.password = True
input.action_cursor_right_word()
assert input.cursor_position == len(input.value)
async def test_input_right_word_from_end() -> None:
"""Going right one word from the end should do nothing."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.action_end()
input.action_cursor_right_word()
assert input.cursor_position == len(input.value)
async def test_input_right_word_to_the_end() -> None:
"""Using right-word to get to the end should hop the correct number of times."""
async with InputTester().run_test() as pilot:
expected_hops: dict[str | None, int] = {
"empty": 0,
"single-word": 1,
"multi-no-punctuation": 6,
"multi-punctuation": 10,
"multi-and-hyphenated": 7,
}
for input in pilot.app.query(Input):
input.cursor_position = 0
hops = 0
while input.cursor_position < len(input.value):
input.action_cursor_right_word()
hops += 1
assert hops == expected_hops[input.id]
async def test_input_left_word_from_the_end() -> None:
"""Using left-word to get home from the end should hop the correct number of times."""
async with InputTester().run_test() as pilot:
expected_hops: dict[str | None, int] = {
"empty": 0,
"single-word": 1,
"multi-no-punctuation": 6,
"multi-punctuation": 10,
"multi-and-hyphenated": 7,
}
for input in pilot.app.query(Input):
input.action_end()
hops = 0
while input.cursor_position:
input.action_cursor_left_word()
hops += 1
assert hops == expected_hops[input.id]
# TODO: more tests.
|
