git.sesse.net Git - bcachefs-tools-debian/blob - tests/test_fixture.py

   1 #!/usr/bin/python3
   2 #
   3 # Tests of the functions in util.py
   4
   5 import pytest
   6 import signal
   7 import subprocess
   8 import time
   9
  10 import util
  11 from pathlib import Path
  12
  13 #helper = Path('.') / 'test_helper'
  14 helper = './test_helper'
  15
  16 def test_sparse_file(tmpdir):
  17     dev = util.sparse_file(tmpdir / '1k', 1024)
  18     assert dev.stat().st_size == 1024
  19
  20 def test_device_1g(tmpdir):
  21     dev = util.device_1g(tmpdir)
  22     assert dev.stat().st_size == 1024**3
  23
  24 def test_abort():
  25     ret = util.run(helper, 'abort')
  26     assert ret.returncode == -signal.SIGABRT
  27
  28 def test_segfault():
  29     ret = util.run(helper, 'segfault')
  30     assert ret.returncode == -signal.SIGSEGV
  31
  32 def test_check():
  33     with pytest.raises(subprocess.CalledProcessError):
  34         ret = util.run(helper, 'abort', check=True)
  35
  36 def test_leak():
  37     with pytest.raises(util.ValgrindFailedError):
  38         ret = util.run(helper, 'leak', valgrind=True)
  39
  40 def test_undefined():
  41     with pytest.raises(util.ValgrindFailedError):
  42         ret = util.run(helper, 'undefined', valgrind=True)
  43
  44 def test_undefined_branch():
  45     with pytest.raises(util.ValgrindFailedError):
  46         ret = util.run(helper, 'undefined_branch', valgrind=True)
  47
  48 def test_read_after_free():
  49     with pytest.raises(util.ValgrindFailedError):
  50         ret = util.run(helper, 'read_after_free', valgrind=True)
  51
  52 def test_write_after_free():
  53     with pytest.raises(util.ValgrindFailedError):
  54         ret = util.run(helper, 'write_after_free', valgrind=True)
  55
  56 def test_mountpoint(tmpdir):
  57     path = util.mountpoint(tmpdir)
  58     assert str(path)[-4:] == '/mnt'
  59     assert path.is_dir()
  60
  61 def test_timestamp():
  62     t1 = time.clock_gettime(time.CLOCK_REALTIME)
  63     with util.Timestamp() as ts:
  64         t2 = time.clock_gettime(time.CLOCK_REALTIME)
  65     t3 = time.clock_gettime(time.CLOCK_REALTIME)
  66
  67     assert not ts.contains(t1)
  68     assert ts.contains(t2)
  69     assert not ts.contains(t3)