def test_check_if_empty(self, mocker):
inbox = SyncClientInbox()
assert inbox.empty()
item = mocker.MagicMock()
inbox._put(item)
assert not inbox.empty()
inbox.get()
assert inbox.empty()
def test_operates_according_to_FIFO(self, mocker):
inbox = SyncClientInbox()
item1 = mocker.MagicMock()
item2 = mocker.MagicMock()
item3 = mocker.MagicMock()
inbox._put(item1)
inbox._put(item2)
inbox._put(item3)
assert inbox.get() is item1
assert inbox.get() is item2
assert inbox.get() is item3
def test_removes_item_from_inbox_if_already_there(self, mocker):
inbox = SyncClientInbox()
assert inbox.empty()
item = mocker.MagicMock()
inbox._put(item)
assert not inbox.empty()
retrieved_item = inbox.get()
assert retrieved_item is item
assert inbox.empty()
def test_waits_for_item_to_be_added_if_inbox_empty_in_blocking_mode(
self, mocker):
inbox = SyncClientInbox()
assert inbox.empty()
item = mocker.MagicMock()
def insert_item():
time.sleep(0.01) # wait before inserting
inbox._put(item)
insertion_thread = threading.Thread(target=insert_item)
insertion_thread.start()
retrieved_item = inbox.get(block=True)
assert retrieved_item is item
assert inbox.empty()
def test_get_raises_empty_if_inbox_empty_in_non_blocking_mode(self):
inbox = SyncClientInbox()
assert inbox.empty()
with pytest.raises(InboxEmpty):
inbox.get(block=False)
def test_times_out_while_blocking_if_timeout_specified(self, mocker):
inbox = SyncClientInbox()
assert inbox.empty()
with pytest.raises(InboxEmpty):
inbox.get(block=True, timeout=0.01)