Files
kitty/kitty_tests/dnd_kitten.py
2026-04-19 21:00:09 +05:30

99 lines
3.6 KiB
Python

#!/usr/bin/env python
# License: GPLv3 Copyright: 2026, Kovid Goyal <kovid at kovidgoyal.net>
import tempfile
from base64 import standard_b64encode
from kitty.constants import kitten_exe
from kitty.fast_data_types import (
DND_CODE,
dnd_set_test_write_func,
dnd_test_cleanup_fake_window,
dnd_test_create_fake_window,
dnd_test_probe_state,
)
from . import PTY, BaseTest
from .dnd import WriteCapture
class Capture(WriteCapture):
def __call__(self, window_id: int, data: bytes) -> None:
self.pty.write(data)
class TestDnDKitten(BaseTest):
def setUp(self):
capture = Capture()
dnd_set_test_write_func(capture)
os_window_id, window_id = dnd_test_create_fake_window()
capture.window_id = window_id
capture.os_window_id = os_window_id
self.capture = capture
self.test_dir = self.enterContext(tempfile.TemporaryDirectory())
self.messages_from_kitten = ''
self.set_options({'tab_bar_style': 'hidden'})
def send_dnd_command_to_kitten(self, payload=b'', as_base64=False, flush=False, **metadata):
header = f'\x1b]{DND_CODE};'
for k, v in metadata.items():
header = header + f'{k}={v}:'
self.pty.write_to_child(header.encode())
if not payload:
self.pty.write_to_child(b'\x1b\\', flush=flush)
return
if isinstance(payload, str):
payload = payload.encode()
payload = memoryview(standard_b64encode(payload) if as_base64 else payload)
for i in range(0, len(payload), 4096):
end = i + 4096
is_last = end >= len(payload)
chunk = payload[i:min(i+4096, len(payload))]
if i == 0:
self.pty.write_to_child(f'm={0 if is_last else 1};'.encode())
else:
self.pty.write_to_child(f'\x1b]{DND_CODE};m={0 if is_last else 1};'.encode())
self.pty.write_to_child(chunk)
self.pty.write_to_child(b'\x1b\\', flush=is_last and flush)
def finish_setup(self, remote_client: bool = False):
cmd = [kitten_exe(), 'dnd']
if remote_client:
cmd.append('--machine-id=remote-client-for-test')
self.pty = self.enterContext(PTY(argv=cmd, rows=25, columns=80, window_id=self.capture.window_id))
self.pty.callbacks.printbuf = self
self.screen = self.pty.screen
self.pty.wait_till(lambda: bool(self.pty.callbacks.titlebuf))
self.assertTrue(self.probe_state('drop_wanted'))
self.assertEqual(remote_client, self.probe_state('drop_is_remote_client'))
if self.probe_state('drag_can_offer'):
self.assertEqual(remote_client, self.probe_state('drag_is_remote_client'))
self.send_dnd_command_to_kitten('SETUP', t='T')
def append(self, text):
self.messages_from_kitten += text
def wait_for_responses(self, *responses, timeout=10):
q = '\n'.join(responses)
def wait_till():
return q == self.messages_from_kitten.strip()
self.pty.wait_till(wait_till, timeout, lambda: f'Responses so far: {self.messages_from_kitten!r}')
self.messages_from_kitten = ''
def probe_state(self, which: str):
return dnd_test_probe_state(self.capture.window_id, which)
def tearDown(self):
dnd_set_test_write_func(None)
dnd_test_cleanup_fake_window(self.capture.os_window_id)
del self.capture
del self.screen
del self.pty
def test_dnd_kitten_drop(self):
for remote_client in (False, True):
with self.subTest(remote_client=remote_client):
self.finish_setup(remote_client=remote_client)