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Test sigwinch handling

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Kovid Goyal
2022-07-08 18:31:24 +05:30
parent 6cec89181b
commit 0841be7803
1 changed files with 9 additions and 1 deletions
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10
kitty_tests/prewarm.py
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@@ -29,9 +29,15 @@ class Prewarm(BaseTest):
exit_code = 17
src = '''\
def socket_child_main(exit_code=0, initial_print=''):
import os, sys, json
import os, sys, json, signal
from kitty.fast_data_types import get_options
from kitty.utils import read_screen_size
def report_screen_size_change(*a):
print("Screen size changed:", read_screen_size(fd=sys.stderr.fileno()).cols, file=sys.stderr)
signal.signal(signal.SIGWINCH, report_screen_size_change)
if initial_print:
print(initial_print, flush=True, file=sys.stderr)
@@ -69,6 +75,8 @@ def socket_child_main(exit_code=0, initial_print=''):
pty = self.create_pty(
argv=[kitty_exe(), '+runpy', src + 'socket_child_main(initial_print="child ready:")'], cols=cols, env=env, cwd=cwd)
pty.wait_till(lambda: 'child ready:' in pty.screen_contents())
pty.set_window_size(columns=cols + 3)
pty.wait_till(lambda: f'Screen size changed: {cols + 3}' in pty.screen_contents())
os.kill(pty.child_pid, signal.SIGINT)
wait_for_death(128 + signal.SIGINT)
pty.wait_till(lambda: 'KeyboardInterrupt' in pty.screen_contents())