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 signal
   6 import subprocess
   7 import time
   8 import os
   9 import pytest
  10
  11 from tests import util
  12
  13 helper = os.path.abspath(os.path.join(util.BASE_PATH, 'test_helper'))
  14
  15 def test_sparse_file(tmpdir):
  16     dev = util.sparse_file(tmpdir / '1k', 1024)
  17     assert dev.stat().st_size == 1024
  18
  19 def test_device_1g(tmpdir):
  20     dev = util.device_1g(tmpdir)
  21     assert dev.stat().st_size == 1024**3
  22
  23 def test_abort():
  24     ret = util.run(helper, 'abort')
  25     assert ret.returncode == -signal.SIGABRT
  26
  27 def test_segfault():
  28     ret = util.run(helper, 'segfault')
  29     assert ret.returncode == -signal.SIGSEGV
  30
  31 @pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
  32 def test_check():
  33     with pytest.raises(subprocess.CalledProcessError):
  34         util.run(helper, 'abort', check=True)
  35
  36 @pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
  37 def test_leak():
  38     with pytest.raises(util.ValgrindFailedError):
  39         util.run(helper, 'leak', valgrind=True)
  40
  41 @pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
  42 def test_undefined():
  43     with pytest.raises(util.ValgrindFailedError):
  44         util.run(helper, 'undefined', valgrind=True)
  45
  46 @pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
  47 def test_undefined_branch():
  48     with pytest.raises(util.ValgrindFailedError):
  49         util.run(helper, 'undefined_branch', valgrind=True)
  50
  51 @pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
  52 def test_read_after_free():
  53     with pytest.raises(util.ValgrindFailedError):
  54         util.run(helper, 'read_after_free', valgrind=True)
  55
  56 @pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
  57 def test_write_after_free():
  58     with pytest.raises(util.ValgrindFailedError):
  59         util.run(helper, 'write_after_free', valgrind=True)
  60
  61 def test_mountpoint(tmpdir):
  62     path = util.mountpoint(tmpdir)
  63     assert str(path)[-4:] == '/mnt'
  64     assert path.is_dir()
  65
  66 def test_timestamp():
  67     t1 = time.clock_gettime(time.CLOCK_REALTIME)
  68     with util.Timestamp() as ts:
  69         t2 = time.clock_gettime(time.CLOCK_REALTIME)
  70     t3 = time.clock_gettime(time.CLOCK_REALTIME)
  71
  72     assert not ts.contains(t1)
  73     assert ts.contains(t2)
  74     assert not ts.contains(t3)