def test_get_nowait_from_empty_queue_raises_queue_empty(self):
# Arrange
queue = Queue()
# Act, Assert
with pytest.raises(asyncio.QueueEmpty):
queue.get_nowait()
def test_peek_when_no_items_returns_none(self):
# Arrange
queue = Queue()
# Act
# Assert
assert queue.peek() is None
def test_as_list_when_no_items_returns_empty_list(self):
# Arrange
queue = Queue()
# Act
result = queue.to_list()
# Assert
assert result == []
def test_queue_instantiation(self):
# Arrange
queue = Queue()
# Act, Assert
assert queue.maxsize == 0
assert queue.qsize() == 0
assert queue.empty()
assert not queue.full()
def test_queue_instantiation(self):
# Arrange
queue = Queue()
# Act
# Assert
self.assertEqual(0, queue.maxsize)
self.assertEqual(0, queue.qsize())
self.assertTrue(queue.empty())
self.assertFalse(queue.full())
async def run_test():
# Arrange
queue = Queue()
queue.put_nowait("A")
# Act
item = await queue.get()
# Assert
self.assertEqual(0, queue.qsize())
self.assertEqual("A", item)
async def test_await_get(self):
# Arrange
queue = Queue()
queue.put_nowait("A")
# Act
item = await queue.get()
# Assert
assert queue.empty()
assert item == "A"
async def run_test():
# Arrange
queue = Queue()
queue.put_nowait("A")
# Act
item = await queue.get()
# Assert
assert queue.empty()
assert item == "A"
def test_put_nowait_onto_queue_at_maxsize_raises_queue_full(self):
# Arrange
queue = Queue(maxsize=5)
# Act
queue.put_nowait("A")
queue.put_nowait("B")
queue.put_nowait("C")
queue.put_nowait("D")
queue.put_nowait("E")
# Assert
with pytest.raises(asyncio.QueueFull):
queue.put_nowait("F")
def test_put_nowait_multiple_items(self):
# Arrange
queue = Queue()
# Act
queue.put_nowait("A")
queue.put_nowait("B")
queue.put_nowait("C")
queue.put_nowait("D")
queue.put_nowait("E")
# Assert
assert queue.qsize() == 5
assert not queue.empty()
def test_put_to_maxlen_makes_queue_full(self):
# Arrange
queue = Queue(maxsize=5)
# Act
queue.put_nowait("A")
queue.put_nowait("B")
queue.put_nowait("C")
queue.put_nowait("D")
queue.put_nowait("E")
# Assert
assert queue.qsize() == 5
assert queue.full()
def test_put_nowait_multiple_items(self):
# Arrange
queue = Queue()
# Act
queue.put_nowait("A")
queue.put_nowait("B")
queue.put_nowait("C")
queue.put_nowait("D")
queue.put_nowait("E")
# Assert
self.assertEqual(5, queue.qsize())
self.assertFalse(queue.empty())
def test_put_to_maxlen_makes_queue_full(self):
# Arrange
queue = Queue(maxsize=5)
# Act
queue.put_nowait("A")
queue.put_nowait("B")
queue.put_nowait("C")
queue.put_nowait("D")
queue.put_nowait("E")
# Assert
self.assertEqual(5, queue.qsize())
self.assertTrue(queue.full())
def test_get_nowait_from_empty_queue_raises_queue_empty(self):
# Arrange
queue = Queue()
# Act
# Assert
self.assertRaises(asyncio.QueueEmpty, queue.get_nowait)
def test_peek_index_when_items_returns_expected_front_of_queue(self):
# Arrange
queue = Queue()
queue.put_nowait("A")
queue.put_nowait("B")
queue.put_nowait("C")
# Act, Assert
assert queue.peek_index(-1) == "A"
assert queue.peek_index(1) == "B"
assert queue.peek_index(0) == "C"
def test_peek_back_when_items_returns_expected_front_of_queue(self):
# Arrange
queue = Queue()
queue.put_nowait("A")
queue.put_nowait("B")
queue.put_nowait("C")
# Act, Assert
assert queue.peek_back() == "C"
def test_as_list_when_items_returns_expected_list(self):
# Arrange
queue = Queue()
queue.put_nowait("A")
queue.put_nowait("B")
queue.put_nowait("C")
# Act
result = queue.to_list()
# Assert
assert result == ["C", "B", "A"]
assert queue.get_nowait() == "A"
assert result == ["C", "B", "A"] # <-- confirm was copy
def test_put_nowait(self):
# Arrange
queue = Queue()
# Act
queue.put_nowait("A")
# Assert
assert queue.qsize() == 1
assert not queue.empty()
def test_put_nowait(self):
# Arrange
queue = Queue()
# Act
queue.put_nowait("A")
# Assert
self.assertEqual(1, queue.qsize())
self.assertFalse(queue.empty())
def test_get_nowait(self):
# Arrange
queue = Queue()
queue.put_nowait("A")
# Act
item = queue.get_nowait()
# Assert
self.assertEqual(0, queue.qsize())
self.assertEqual("A", item)
