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import sys
import os
import unittest
import warnings
import pytest
from gi.repository import GLib
from gi import PyGIDeprecationWarning
from .helper import capture_gi_deprecation_warnings
def test_child_watch_add_get_args_various():
def cb(pid, status):
return None
get_args = GLib._child_watch_add_get_args
pid = 42
with capture_gi_deprecation_warnings():
assert get_args(pid, cb, 2) == (0, pid, cb, (2,))
with pytest.raises(TypeError):
get_args(pid, cb, 2, 3, 4)
assert get_args(0, pid, 2, 3, function=cb) == (0, pid, cb, (2, 3))
assert get_args(0, pid, cb, 2, 3) == (0, pid, cb, (2, 3))
assert get_args(0, pid, cb, data=99) == (0, pid, cb, (99,))
with pytest.raises(TypeError):
get_args(0, pid, 24)
with pytest.raises(TypeError):
get_args(0, pid, cb, 2, 3, data=99)
@unittest.skipIf(os.name == "nt", "not on Windows")
class TestProcess(unittest.TestCase):
def test_deprecated_child_watch_no_data(self):
def cb(pid, status):
return None
pid = object()
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always")
res = GLib._child_watch_add_get_args(pid, cb)
self.assertTrue(issubclass(w[0].category, PyGIDeprecationWarning))
self.assertEqual(len(res), 4)
self.assertEqual(res[0], GLib.PRIORITY_DEFAULT)
self.assertEqual(res[1], pid)
self.assertTrue(callable(cb))
self.assertSequenceEqual(res[3], [])
def test_deprecated_child_watch_data_priority(self):
def cb(pid, status):
return None
pid = object()
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always")
res = GLib._child_watch_add_get_args(pid, cb, 12345, GLib.PRIORITY_HIGH)
self.assertTrue(issubclass(w[0].category, PyGIDeprecationWarning))
self.assertEqual(len(res), 4)
self.assertEqual(res[0], GLib.PRIORITY_HIGH)
self.assertEqual(res[1], pid)
self.assertEqual(res[2], cb)
self.assertSequenceEqual(res[3], [12345])
def test_deprecated_child_watch_data_priority_kwargs(self):
def cb(pid, status):
return None
pid = object()
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always")
res = GLib._child_watch_add_get_args(
pid, cb, priority=GLib.PRIORITY_HIGH, data=12345
)
self.assertTrue(issubclass(w[0].category, PyGIDeprecationWarning))
self.assertEqual(len(res), 4)
self.assertEqual(res[0], GLib.PRIORITY_HIGH)
self.assertEqual(res[1], pid)
self.assertEqual(res[2], cb)
self.assertSequenceEqual(res[3], [12345])
@unittest.expectedFailure # using keyword args is fully supported by PyGObject machinery
def test_child_watch_all_kwargs(self):
def cb(pid, status):
return None
pid = object()
res = GLib._child_watch_add_get_args(
priority=GLib.PRIORITY_HIGH, pid=pid, function=cb, data=12345
)
self.assertEqual(len(res), 4)
self.assertEqual(res[0], GLib.PRIORITY_HIGH)
self.assertEqual(res[1], pid)
self.assertEqual(res[2], cb)
self.assertSequenceEqual(res[3], [12345])
def test_child_watch_no_data(self):
def cb(pid, status):
self.status = status
self.loop.quit()
self.status = None
self.loop = GLib.MainLoop()
argv = [sys.executable, "-c", "import sys"]
pid, _stdin, _stdout, _stderr = GLib.spawn_async(
argv, flags=GLib.SpawnFlags.DO_NOT_REAP_CHILD
)
pid.close()
id = GLib.child_watch_add(GLib.PRIORITY_HIGH, pid, cb)
self.assertEqual(
self.loop.get_context().find_source_by_id(id).priority, GLib.PRIORITY_HIGH
)
self.loop.run()
self.assertEqual(self.status, 0)
def test_child_watch_with_data(self):
def cb(pid, status, data):
self.status = status
self.data = data
self.loop.quit()
self.data = None
self.status = None
self.loop = GLib.MainLoop()
argv = [sys.executable, "-c", "import sys"]
pid, stdin, stdout, stderr = GLib.spawn_async(
argv, flags=GLib.SpawnFlags.DO_NOT_REAP_CHILD
)
self.assertEqual(stdin, None)
self.assertEqual(stdout, None)
self.assertEqual(stderr, None)
self.assertNotEqual(pid, 0)
pid.close()
id = GLib.child_watch_add(GLib.PRIORITY_HIGH, pid, cb, 12345)
self.assertEqual(
self.loop.get_context().find_source_by_id(id).priority, GLib.PRIORITY_HIGH
)
self.loop.run()
self.assertEqual(self.data, 12345)
self.assertEqual(self.status, 0)
def test_spawn_async_fds(self):
pid, stdin, stdout, stderr = GLib.spawn_async(
["cat"],
flags=GLib.SpawnFlags.SEARCH_PATH,
standard_input=True,
standard_output=True,
standard_error=True,
)
os.write(stdin, b"hello world!\n")
os.close(stdin)
out = os.read(stdout, 50)
os.close(stdout)
err = os.read(stderr, 50)
os.close(stderr)
pid.close()
self.assertEqual(out, b"hello world!\n")
self.assertEqual(err, b"")
def test_spawn_async_with_pipes(self):
_res, pid, stdin, stdout, stderr = GLib.spawn_async_with_pipes(
working_directory=None,
argv=["cat"],
envp=None,
flags=GLib.SpawnFlags.SEARCH_PATH,
)
os.write(stdin, b"hello world!\n")
os.close(stdin)
out = os.read(stdout, 50)
os.close(stdout)
err = os.read(stderr, 50)
os.close(stderr)
GLib.spawn_close_pid(pid)
self.assertEqual(out, b"hello world!\n")
self.assertEqual(err, b"")
def test_spawn_async_envp(self):
pid, stdin, stdout, stderr = GLib.spawn_async(
["sh", "-c", "echo $TEST_VAR"],
["TEST_VAR=moo!"],
flags=GLib.SpawnFlags.SEARCH_PATH,
standard_output=True,
)
self.assertEqual(stdin, None)
self.assertEqual(stderr, None)
out = os.read(stdout, 50)
os.close(stdout)
pid.close()
self.assertEqual(out, b"moo!\n")
def test_backwards_compat_flags(self):
with warnings.catch_warnings():
warnings.simplefilter("ignore", PyGIDeprecationWarning)
self.assertEqual(
GLib.SpawnFlags.DO_NOT_REAP_CHILD, GLib.SPAWN_DO_NOT_REAP_CHILD
)
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