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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright © 2022 Emmanuel Fleury <emmanuel.fleury@gmail.com>
# Copyright © 2022 Marco Trevisan <mail@3v1n0.net>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA
""" Integration tests for g_message functions on low-memory. """
import collections
import os
import subprocess
import unittest
import taptestrunner
Result = collections.namedtuple("Result", ("info", "out", "err"))
class TestMessagesLowMemory(unittest.TestCase):
"""Integration test for checking g_message()’s behavior on low memory.
This can be run when installed or uninstalled. When uninstalled,
it requires G_TEST_BUILDDIR and G_TEST_SRCDIR to be set.
The idea with this test harness is to test if g_message and friends
assert instead of crashing if memory is exhausted, printing the expected
error message.
"""
test_binary = "messages-low-memory"
def setUp(self):
ext = ""
if os.name == "nt":
ext = ".exe"
if "G_TEST_BUILDDIR" in os.environ:
self._test_binary = os.path.join(
os.environ["G_TEST_BUILDDIR"], self.test_binary + ext
)
else:
self._test_binary = os.path.join(
os.path.dirname(__file__), self.test_binary + ext
)
print("messages-low-memory:", self._test_binary)
def runTestBinary(self, *args):
print("Running:", *args)
env = os.environ.copy()
env["LC_ALL"] = "C.UTF-8"
print("Environment:", env)
# We want to ensure consistent line endings...
info = subprocess.run(
*args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
env=env,
universal_newlines=True,
)
out = info.stdout.strip()
err = info.stderr.strip()
result = Result(info, out, err)
print("Return code:", result.info.returncode)
print("Output:", result.out)
print("Error:", result.err)
return result
def test_message_memory_allocation_failure(self):
"""Test running g_message() when memory is exhausted."""
result = self.runTestBinary(self._test_binary)
if result.info.returncode == 77:
self.skipTest("Not supported")
if os.name == "nt":
self.assertEqual(result.info.returncode, 3)
else:
self.assertEqual(result.info.returncode, -6)
self.assertIn("failed to allocate memory", result.err)
if __name__ == "__main__":
unittest.main(testRunner=taptestrunner.TAPTestRunner())
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