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 @pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
  33 def test_check():
  34     with pytest.raises(subprocess.CalledProcessError):
  35         ret = util.run(helper, 'abort', check=True)
  36
  37 @pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
  38 def test_leak():
  39     with pytest.raises(util.ValgrindFailedError):
  40         ret = util.run(helper, 'leak', valgrind=True)
  41
  42 @pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
  43 def test_undefined():
  44     with pytest.raises(util.ValgrindFailedError):
  45         ret = util.run(helper, 'undefined', valgrind=True)
  46
  47 @pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
  48 def test_undefined_branch():
  49     with pytest.raises(util.ValgrindFailedError):
  50         ret = util.run(helper, 'undefined_branch', valgrind=True)
  51
  52 @pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
  53 def test_read_after_free():
  54     with pytest.raises(util.ValgrindFailedError):
  55         ret = util.run(helper, 'read_after_free', valgrind=True)
  56
  57 @pytest.mark.skipif(not util.ENABLE_VALGRIND, reason="no valgrind")
  58 def test_write_after_free():
  59     with pytest.raises(util.ValgrindFailedError):
  60         ret = util.run(helper, 'write_after_free', valgrind=True)
  61
  62 def test_mountpoint(tmpdir):
  63     path = util.mountpoint(tmpdir)
  64     assert str(path)[-4:] == '/mnt'
  65     assert path.is_dir()
  66
  67 def test_timestamp():
  68     t1 = time.clock_gettime(time.CLOCK_REALTIME)
  69     with util.Timestamp() as ts:
  70         t2 = time.clock_gettime(time.CLOCK_REALTIME)
  71     t3 = time.clock_gettime(time.CLOCK_REALTIME)
  72
  73     assert not ts.contains(t1)
  74     assert ts.contains(t2)
  75     assert not ts.contains(t3)