def test_watcher_backoff_strategy_first_file(mocktime, mockos):
mockos.path.exists.return_value = False
files = list(Generator('somefile_%05d.cbf', 1, 10))
cb = mock.Mock()
base = 3
w = Watcher(files=iter(files), callback=cb, basespeed=base)
w.start(asynchronous=False)
assert w.is_active() == False
assert mockos.path.exists.call_count > 20
for call in mockos.path.exists.call_args_list:
args, kwargs = call
assert args == ( files[0], )
assert kwargs == {}
assert mocktime.sleep.call_count == mockos.path.exists.call_count - 1
npow = 1
for call in mocktime.sleep.call_args_list:
args, kwargs = call
assert len(args) == 1
assert kwargs == {}
t = args[0]
assert t >= base
assert t <= 3
assert cb.call_count == 1
args, kwargs = cb.call_args
assert args == ()
assert kwargs['wait'] > 0
del kwargs['wait']
assert kwargs == { 'file': files[0], 'success': False }
def test_start_asynchronous_watcher(mocktime, mockos):
mockos.path.exists.return_value = True
files = list(Generator('somefile_%05d.cbf', 1, 10))
cb = mock.Mock()
w = Watcher(files=iter(files), callback=cb, basespeed=3)
w.start(asynchronous=False)
assert w.is_active() == False
assert mockos.path.exists.call_count == len(files)
for call, f in zip(mockos.path.exists.call_args_list, files):
args, kwargs = call
assert args == (f, )
assert kwargs == {}
assert mocktime.sleep.call_count == 0
assert cb.call_count == len(files)
for call, f in zip(cb.call_args_list, files):
args, kwargs = call
assert args == ()
assert kwargs == { 'file': f, 'success': True, 'wait': 0 }
def watch(self):
rng = self._opts.range.split(',')
g = Generator(self._opts.pattern, int(rng[0]), int(rng[1]))
w = FileWatcher(files=g, callback=self._report)
w.start(asynchronous=False)
pass
