buptest.py

   1
   2 from contextlib import contextmanager
   3 from os.path import basename, dirname, realpath
   4 from traceback import extract_stack
   5 import subprocess, sys, tempfile
   6
   7 from wvtest import WVPASSEQ, wvfailure_count
   8
   9 from bup import helpers
  10
  11
  12 @contextmanager
  13 def no_lingering_errors():
  14     def fail_if_errors():
  15         if helpers.saved_errors:
  16             bt = extract_stack()
  17             src_file, src_line, src_func, src_txt = bt[-4]
  18             msg = 'saved_errors ' + repr(helpers.saved_errors)
  19             print '! %-70s %s' % ('%s:%-4d %s' % (basename(src_file),
  20                                                   src_line,
  21                                                   msg),
  22                                   'FAILED')
  23             sys.stdout.flush()
  24     fail_if_errors()
  25     helpers.clear_errors()
  26     yield
  27     fail_if_errors()
  28     helpers.clear_errors()
  29
  30
  31 # Assumes (of course) this file is at the top-level of the source tree
  32 _bup_tmp = realpath(dirname(__file__) + '/t/tmp')
  33 helpers.mkdirp(_bup_tmp)
  34
  35
  36 @contextmanager
  37 def test_tempdir(prefix):
  38     initial_failures = wvfailure_count()
  39     tmpdir = tempfile.mkdtemp(dir=_bup_tmp, prefix=prefix)
  40     yield tmpdir
  41     if wvfailure_count() == initial_failures:
  42         subprocess.call(['chmod', '-R', 'u+rwX', tmpdir])
  43         subprocess.call(['rm', '-rf', tmpdir])