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#!/usr/bin/python3
#
# Tests of the functions in util.py
import signal
import subprocess
import time
import os
import pytest
from tests import util
helper = os.path.abspath(os.path.join(util.BASE_PATH, 'test_helper'))
def test_sparse_file(tmpdir):
dev = util.sparse_file(tmpdir / '1k', 1024)
assert dev.stat().st_size == 1024
def test_device_1g(tmpdir):
dev = util.device_1g(tmpdir)
assert dev.stat().st_size == 1024**3
def test_abort():
ret = util.run(helper, 'abort')
assert ret.returncode == -signal.SIGABRT
def test_segfault():
ret = util.run(helper, 'segfault')
assert ret.returncode == -signal.SIGSEGV
@pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
def test_check():
with pytest.raises(subprocess.CalledProcessError):
util.run(helper, 'abort', check=True)
@pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
def test_leak():
with pytest.raises(util.ValgrindFailedError):
util.run(helper, 'leak', valgrind=True)
@pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
def test_undefined():
with pytest.raises(util.ValgrindFailedError):
util.run(helper, 'undefined', valgrind=True)
@pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
def test_undefined_branch():
with pytest.raises(util.ValgrindFailedError):
util.run(helper, 'undefined_branch', valgrind=True)
@pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
def test_read_after_free():
with pytest.raises(util.ValgrindFailedError):
util.run(helper, 'read_after_free', valgrind=True)
@pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
def test_write_after_free():
with pytest.raises(util.ValgrindFailedError):
util.run(helper, 'write_after_free', valgrind=True)
def test_mountpoint(tmpdir):
path = util.mountpoint(tmpdir)
assert str(path)[-4:] == '/mnt'
assert path.is_dir()
def test_timestamp():
t1 = time.clock_gettime(time.CLOCK_REALTIME)
with util.Timestamp() as ts:
t2 = time.clock_gettime(time.CLOCK_REALTIME)
t3 = time.clock_gettime(time.CLOCK_REALTIME)
assert not ts.contains(t1)
assert ts.contains(t2)
assert not ts.contains(t3)
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