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"""Unit tests for Input widget value modification actions."""
from __future__ import annotations
from textual.app import App, ComposeResult
from textual.widgets import Input
TEST_INPUTS: dict[str | None, str] = {
"empty": "",
"multi-no-punctuation": "Curse your sudden but inevitable betrayal",
"multi-punctuation": "We have done the impossible, and that makes us mighty.",
"multi-and-hyphenated": "Long as she does it quiet-like",
}
class InputTester(App[None]):
"""Input widget testing app."""
def compose(self) -> ComposeResult:
for input_id, value in TEST_INPUTS.items():
yield Input(value, id=input_id)
async def test_delete_left_from_home() -> None:
"""Deleting left from home should do nothing."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.cursor_position = 0
input.action_delete_left()
assert input.cursor_position == 0
assert input.value == TEST_INPUTS[input.id]
async def test_delete_left_from_end() -> None:
"""Deleting left from end should remove the last character (if there is one)."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.action_end()
input.action_delete_left()
assert input.cursor_position == len(input.value)
assert input.value == TEST_INPUTS[input.id][:-1]
async def test_delete_left_word_from_home() -> None:
"""Deleting word left from home should do nothing."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.cursor_position = 0
input.action_delete_left_word()
assert input.cursor_position == 0
assert input.value == TEST_INPUTS[input.id]
async def test_delete_left_word_from_inside_first_word() -> None:
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.cursor_position = 1
input.action_delete_left_word()
assert input.cursor_position == 0
assert input.value == TEST_INPUTS[input.id][1:]
async def test_delete_left_word_from_end() -> None:
"""Deleting word left from end should remove the expected text."""
async with InputTester().run_test() as pilot:
expected: dict[str | None, str] = {
"empty": "",
"multi-no-punctuation": "Curse your sudden but inevitable ",
"multi-punctuation": "We have done the impossible, and that makes us ",
"multi-and-hyphenated": "Long as she does it quiet-",
}
for input in pilot.app.query(Input):
input.action_delete_left_word()
assert input.cursor_position == len(input.value)
assert input.value == expected[input.id]
async def test_password_delete_left_word_from_end() -> None:
"""Deleting word left from end of a password input should delete everything."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.password = True
input.action_delete_left_word()
assert input.cursor_position == 0
assert input.value == ""
async def test_delete_left_all_from_home() -> None:
"""Deleting all left from home should do nothing."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.cursor_position = 0
input.action_delete_left_all()
assert input.cursor_position == 0
assert input.value == TEST_INPUTS[input.id]
async def test_delete_left_all_from_end() -> None:
"""Deleting all left from end should empty the input value."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.action_end()
input.action_delete_left_all()
assert input.cursor_position == 0
assert input.value == ""
async def test_delete_right_from_home() -> None:
"""Deleting right from home should delete one character (if there is any to delete)."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.cursor_position = 0
input.action_delete_right()
assert input.cursor_position == 0
assert input.value == TEST_INPUTS[input.id][1:]
async def test_delete_right_from_end() -> None:
"""Deleting right from end should not change the input's value."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.action_delete_right()
assert input.cursor_position == len(input.value)
assert input.value == TEST_INPUTS[input.id]
async def test_delete_right_word_from_home() -> None:
"""Deleting word right from home should delete one word (if there is one)."""
async with InputTester().run_test() as pilot:
expected: dict[str | None, str] = {
"empty": "",
"multi-no-punctuation": "your sudden but inevitable betrayal",
"multi-punctuation": "have done the impossible, and that makes us mighty.",
"multi-and-hyphenated": "as she does it quiet-like",
}
for input in pilot.app.query(Input):
input.cursor_position = 0
input.action_delete_right_word()
assert input.cursor_position == 0
assert input.value == expected[input.id]
async def test_password_delete_right_word_from_home() -> None:
"""Deleting word right from home of a password input should delete everything."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.cursor_position = 0
input.password = True
input.action_delete_right_word()
assert input.cursor_position == 0
assert input.value == ""
async def test_delete_right_word_from_end() -> None:
"""Deleting word right from end should not change the input's value."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.action_end()
input.action_delete_right_word()
assert input.cursor_position == len(input.value)
assert input.value == TEST_INPUTS[input.id]
async def test_delete_right_all_from_home() -> None:
"""Deleting all right home should remove everything in the input."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.cursor_position = 0
input.action_delete_right_all()
assert input.cursor_position == 0
assert input.value == ""
async def test_delete_right_all_from_end() -> None:
"""Deleting all right from end should not change the input's value."""
async with InputTester().run_test() as pilot:
for input in pilot.app.query(Input):
input.action_end()
input.action_delete_right_all()
assert input.cursor_position == len(input.value)
assert input.value == TEST_INPUTS[input.id]
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