def test_adds_item_to_inbox(self, mocker):
inbox = SyncClientInbox()
assert inbox.empty()
item = mocker.MagicMock()
inbox.put(item)
assert not inbox.empty()
assert item in inbox
def test_check_item_is_in_inbox(self, mocker):
inbox = SyncClientInbox()
assert inbox.empty()
item = mocker.MagicMock()
assert item not in inbox
inbox.put(item)
assert item in inbox
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_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_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_can_clear_all_items(self, mocker):
inbox = SyncClientInbox()
item1 = mocker.MagicMock()
item2 = mocker.MagicMock()
item3 = mocker.MagicMock()
inbox.put(item1)
inbox.put(item2)
inbox.put(item3)
assert not inbox.empty()
inbox.clear()
assert inbox.empty()