vibe/tests/tools/test_ui_bash_execution.py
Mathias Gesbert 51fecc67d9
2.1.0 (#317)
Co-authored-by: Quentin Torroba <quentin.torroba@mistral.ai>
Co-authored-by: Michel Thomazo <michel.thomazo@mistral.ai>
Co-authored-by: Clément Drouin <clement.drouin@mistral.ai>
Co-authored-by: Vincent Guilloux <vincent.guilloux@mistral.ai>
Co-authored-by: Clément Siriex <clement.sirieix@mistral.ai>
Co-authored-by: Kim-Adeline Miguel <kimadeline.miguel@mistral.ai>
Co-authored-by: Nicolas Karolak <nicolas@karolak.fr>
2026-02-11 18:17:30 +01:00

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from __future__ import annotations
import time
import pytest
from textual.widgets import Static
from vibe.cli.textual_ui.app import VibeApp
from vibe.cli.textual_ui.widgets.chat_input.container import ChatInputContainer
from vibe.cli.textual_ui.widgets.messages import BashOutputMessage, ErrorMessage
async def _wait_for_bash_output_message(
vibe_app: VibeApp, pilot, timeout: float = 1.0
) -> BashOutputMessage:
deadline = time.monotonic() + timeout
while time.monotonic() < deadline:
if message := next(iter(vibe_app.query(BashOutputMessage)), None):
return message
await pilot.pause(0.05)
raise TimeoutError(f"BashOutputMessage did not appear within {timeout}s")
def assert_no_command_error(vibe_app: VibeApp) -> None:
errors = list(vibe_app.query(ErrorMessage))
if not errors:
return
disallowed = {
"Command failed",
"Command timed out",
"No command provided after '!'",
}
offending = [
getattr(err, "_error", "")
for err in errors
if getattr(err, "_error", "")
and any(phrase in getattr(err, "_error", "") for phrase in disallowed)
]
assert not offending, f"Unexpected command errors: {offending}"
@pytest.mark.asyncio
async def test_ui_reports_no_output(vibe_app: VibeApp) -> None:
async with vibe_app.run_test() as pilot:
chat_input = vibe_app.query_one(ChatInputContainer)
chat_input.value = "!true"
await pilot.press("enter")
message = await _wait_for_bash_output_message(vibe_app, pilot)
output_widget = message.query_one(".bash-output", Static)
assert str(output_widget.render()) == "(no output)"
assert_no_command_error(vibe_app)
@pytest.mark.asyncio
async def test_ui_shows_success_in_case_of_zero_code(vibe_app: VibeApp) -> None:
async with vibe_app.run_test() as pilot:
chat_input = vibe_app.query_one(ChatInputContainer)
chat_input.value = "!true"
await pilot.press("enter")
message = await _wait_for_bash_output_message(vibe_app, pilot)
assert message.has_class("bash-success")
assert not message.has_class("bash-error")
@pytest.mark.asyncio
async def test_ui_shows_failure_in_case_of_non_zero_code(vibe_app: VibeApp) -> None:
async with vibe_app.run_test() as pilot:
chat_input = vibe_app.query_one(ChatInputContainer)
chat_input.value = "!bash -lc 'exit 7'"
await pilot.press("enter")
message = await _wait_for_bash_output_message(vibe_app, pilot)
assert message.has_class("bash-error")
assert not message.has_class("bash-success")
@pytest.mark.asyncio
async def test_ui_handles_non_utf8_output(vibe_app: VibeApp) -> None:
"""Assert the UI accepts decoding a non-UTF8 sequence like `printf '\xf0\x9f\x98'`.
Whereas `printf '\xf0\x9f\x98\x8b'` prints a smiley face (😋) and would work even without those changes.
"""
async with vibe_app.run_test() as pilot:
chat_input = vibe_app.query_one(ChatInputContainer)
chat_input.value = "!printf '\\xff\\xfe'"
await pilot.press("enter")
message = await _wait_for_bash_output_message(vibe_app, pilot)
output_widget = message.query_one(".bash-output", Static)
# accept both possible encodings, as some shells emit escaped bytes as literal strings
assert str(output_widget.render()) in {"<EFBFBD><EFBFBD>", "\xff\xfe", r"\xff\xfe"}
assert_no_command_error(vibe_app)
@pytest.mark.asyncio
async def test_ui_handles_utf8_output(vibe_app: VibeApp) -> None:
async with vibe_app.run_test() as pilot:
chat_input = vibe_app.query_one(ChatInputContainer)
chat_input.value = "!echo hello"
await pilot.press("enter")
message = await _wait_for_bash_output_message(vibe_app, pilot)
output_widget = message.query_one(".bash-output", Static)
assert str(output_widget.render()) == "hello"
assert_no_command_error(vibe_app)
@pytest.mark.asyncio
async def test_ui_handles_non_utf8_stderr(vibe_app: VibeApp) -> None:
async with vibe_app.run_test() as pilot:
chat_input = vibe_app.query_one(ChatInputContainer)
chat_input.value = "!bash -lc \"printf '\\\\xff\\\\xfe' 1>&2\""
await pilot.press("enter")
message = await _wait_for_bash_output_message(vibe_app, pilot)
output_widget = message.query_one(".bash-output", Static)
assert str(output_widget.render()) == "<EFBFBD><EFBFBD>"
assert_no_command_error(vibe_app)