def test_is_current(self):
"""Test the is_current method. Depends on correct status file
operation.
"""
filename = incremental.Incremental.get_stat_file_name()
try:
os.unlink(filename)
except OSError:
pass
inc = incremental.Incremental(7)
self.assertTrue(inc.is_current(0))
self.assertTrue(inc.is_current(6))
self.assertTrue(inc.is_current(7))
self.assertFalse(inc.is_current(8))
inc = incremental.Incremental(10)
self.assertFalse(inc.is_current(7))
self.assertTrue(inc.is_current(8))
self.assertTrue(inc.is_current(9))
self.assertTrue(inc.is_current(10))
self.assertFalse(inc.is_current(11))
# also test a non-integer
action = mock.Mock()
action.__int__ = mock.Mock() # magic method needs to be
# explicitly assigned
action.__int__.return_value = 10
self.assertTrue(inc.is_current(action))
action.__int__.return_value = 11
self.assertFalse(inc.is_current(action))
os.unlink(filename)
def test_status_file(self):
"""Test that the last increment is kept correctly
black box testing as far as file contents is concerned
"""
filename = incremental.Incremental.get_stat_file_name()
try:
os.unlink(filename)
except OSError:
pass
inc = incremental.Incremental(7)
self.assertEqual(-1, inc.lastincr)
inc = incremental.Incremental(8)
self.assertEqual(7, inc.lastincr)
inc = incremental.Incremental(8)
# twice the same is not an increment!
self.assertEqual(-1, inc.lastincr)
os.unlink(filename)
def run_from_cmd(args):
"""Parse the command line (see module __doc__)
return 2 on syntax error
Python will return 1 if some exception occurs. So we don't
do anything else but basic syntax checking here, the rest of the
code will throw an exception if the the parameters are not good.
"""
# TODO: in order to be testable this should really be it's own
# module so we can use a mock Mcfg
Mcfg.set_log_level()
usage = globals()["__doc__"]
result = 0
if not len(args) in (4, 5):
result = 2
elif "run".startswith(args[1]):
operation = RUN
if len(args) != 5:
result = 2
else:
try:
run_incr = int(args[4])
except ValueError:
result = 2
elif "verify".startswith(args[1]):
operation = VERIFY
elif "switchuser".startswith(args[1]):
operation = SWITCHUSER
else:
result = 2
if result != 2:
if operation == RUN:
master = Mcfg(args[2], args[3])
incr = incremental.Incremental(run_incr)
master.run_editors(incr)
elif operation == SWITCHUSER:
incremental.Incremental.copy_stat_file(args[2], args[3])
else:
raise NotImplementedError, "verify"
else:
print >> sys.stderr, usage
return result
def test_construct_and_convert(self):
"""Just construct it and convert to int"""
inc = incremental.Incremental(7)
self.assertEqual(7, int(inc))
os.unlink(incremental.Incremental.get_stat_file_name())