def Test_B_remove(self):
snoop = watch_modules.watch(log=self.log, module_path=working_dir)
for m in self.module_list:
snoop.add(m)
self.log.info("Before remove: %d module%s for %d command%s",
len(snoop.modules),
'' if len(snoop.modules) == 1 else 's', len(snoop.names),
'' if len(snoop.names) == 1 else 's')
before = len(snoop.names)
snoop.remove(self.module_list[1])
self.log.info("After remove: %d module%s for %d command%s",
len(snoop.modules),
'' if len(snoop.modules) == 1 else 's', len(snoop.names),
'' if len(snoop.names) == 1 else 's')
assert len(snoop.names) == before - 1
def Test_A_add(self):
snoop = watch_modules.watch(log=self.log, module_path=working_dir)
snoop.add(self.test_module)
names = {}
for m in snoop.modules:
for name in snoop.modules[m]:
if name in names:
names[name].append(m)
else:
names[name] = [m]
for name in names:
self.log.info("Watching '%s' modules ...", name)
for m in names[name]:
self.log.info(" %s", m)
self.log.info("Found %d modules, %d expected", len(snoop.modules),
len(test_modules))
assert len(snoop.modules) == len(test_modules)
def Test_C_watch(self):
snoop = watch_modules.watch(log=self.log, module_path=working_dir)
snoop.add(self.test_module)
self.log.info("Watch setup: %d module%s for %d command%s",
len(snoop.modules),
'' if len(snoop.modules) == 1 else 's', len(snoop.names),
'' if len(snoop.names) == 1 else 's')
touched = False
pset = poll.poll()
pset.register(snoop, poll.POLLIN)
while True:
try:
evlist = pset.poll(1000)
except OSError as e:
self.log.info("poll() exception -- %s", str(e))
if e.errno != errno.EINTR:
raise e
if not evlist:
self.log.info("poll() timeout, will touch")
snoop.scan()
with open(self.change_target, 'w') as f:
f.write(module_content)
touched = True
continue
if not touched:
self.log.info("Premature change detected")
for path in snoop.get():
self.log.info(' %s', path)
continue
self.log.info('Change detected')
assert touched
for name, path, module_list in snoop.get(timeout=0):
self.log.info(' %s', path)
assert path == os.path.realpath(self.test_module)
break
del pset
del_fds = support.find_open_fds()
self.log.info("%d files open after watch: %s", len(del_fds),
str(del_fds))
self.log.info("paths known to watcher: %s",
support.known_fds(snoop._watch, log=self.log))