File: test_subprocess.py

package info (click to toggle)
pygobject 3.22.0-2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 5,492 kB
  • ctags: 5,045
  • sloc: ansic: 20,987; python: 15,991; sh: 4,659; makefile: 569; xml: 31
file content (156 lines) | stat: -rw-r--r-- 5,796 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
# -*- Mode: Python -*-

import sys
import os
import unittest
import warnings

from gi.repository import GLib
from gi import PyGIDeprecationWarning


class TestProcess(unittest.TestCase):

    def test_deprecated_child_watch_no_data(self):
        cb = lambda pid, status: 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):
        cb = lambda pid, status: 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):
        cb = lambda pid, status: 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):
        cb = lambda pid, status: 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)