def test_cleanup_called_on_exception(self): calls = random.randint(1, 10) cleanup = mock.Mock() self.set_to_fail(times=calls) retry_call(self.attempt, retries=calls, cleanup=cleanup, trap=Exception) assert cleanup.call_count == calls assert cleanup.called_with()
def test_infinite_retries(self):
self.set_to_fail(times=999)
cleanup = mock.Mock()
retry_call(self.attempt,
retries=float('inf'),
cleanup=cleanup,
trap=Exception)
assert cleanup.call_count == 999
def test_retry_call_fails(self): """ Failing more than the number of retries should raise the underlying error. """ self.set_to_fail(times=3) with pytest.raises(ValueError) as res: retry_call(self.attempt, retries=2, trap=ValueError) assert str(res.value) == 'Failed!'
def test_retry_call_fails(self):
"""
Failing more than the number of retries should
raise the underlying error.
"""
self.set_to_fail(times=3)
with pytest.raises(ValueError) as res:
retry_call(self.attempt, retries=2, trap=ValueError)
assert str(res.value) == 'Failed!'
def test_cleanup_called_on_exception(self):
calls = random.randint(1, 10)
cleanup = mock.Mock()
self.set_to_fail(times=calls)
retry_call(self.attempt,
retries=calls,
cleanup=cleanup,
trap=Exception)
assert cleanup.call_count == calls
assert cleanup.called_with()
def test_with_arg(self):
self.set_to_fail(times=0)
arg = mock.Mock()
bound = functools.partial(self.attempt, arg)
res = retry_call(bound)
assert res == 'Success'
assert arg.touch.called
def acquire(self):
"""
Attempt to acquire the lock every `delay` seconds until the
lock is acquired or until `timeout` has expired.
Raises FileLockTimeout if the timeout is exceeded.
Errors opening the lock file (other than if it exists) are
passed through.
"""
self.lock = retry_call(
self._attempt,
retries=float('inf'),
trap=zc.lockfile.LockError,
cleanup=functools.partial(self._check_timeout, timing.Stopwatch()),
)
def test_retry_call_succeeds(self): self.set_to_fail(times=2) res = retry_call(self.attempt, retries=2, trap=ValueError) assert res == "Success"
def test_retry_exception_superclass(self): self.set_to_fail(times=2) res = retry_call(self.attempt, retries=2, trap=Exception) assert res == "Success"
def test_retry_multiple_exceptions(self): self.set_to_fail(times=2) errors = ValueError, NameError res = retry_call(self.attempt, retries=2, trap=errors) assert res == "Success"
def test_default_does_not_retry(self):
self.set_to_fail(times=1)
with pytest.raises(ValueError):
retry_call(self.attempt, trap=Exception)
def test_default_traps_nothing(self): self.set_to_fail(times=1) with pytest.raises(ValueError): retry_call(self.attempt, retries=1)
def test_default_traps_nothing(self):
self.set_to_fail(times=1)
with pytest.raises(ValueError):
retry_call(self.attempt, retries=1)
def test_retry_exception_superclass(self):
self.set_to_fail(times=2)
res = retry_call(self.attempt, retries=2, trap=Exception)
assert res == "Success"
def test_retry_multiple_exceptions(self):
self.set_to_fail(times=2)
errors = ValueError, NameError
res = retry_call(self.attempt, retries=2, trap=errors)
assert res == "Success"
def test_default_does_not_retry(self): self.set_to_fail(times=1) with pytest.raises(ValueError): retry_call(self.attempt, trap=Exception)
def test_retry_call_succeeds(self):
self.set_to_fail(times=2)
res = retry_call(self.attempt, retries=2, trap=ValueError)
assert res == "Success"