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test_priorityqueue.py
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test_priorityqueue.py
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import unittest
from priorityqueue import PriorityQueue, Queue, Stack
class TestPriorityQueue(unittest.TestCase):
def setUp(self):
self.pq = PriorityQueue(":memory:")
def test_empty(self):
result = self.pq.is_empty()
self.assertTrue(result)
def test_order(self):
self.assertEqual("hello", self.pq.push(10, "hello"))
self.pq.push(1, "foo")
self.pq.push(30, "bar")
self.pq.push(5, "baz")
self.assertEqual("bar", self.pq.pop())
self.assertEqual("hello", self.pq.pop())
self.assertEqual("baz", self.pq.pop())
self.assertEqual("foo", self.pq.pop())
class TestQueue(unittest.TestCase):
def setUp(self):
self.q = Queue(":memory:")
def test_order(self):
self.assertEqual("hello", self.q.push("hello"))
self.q.push("foo")
self.q.push("bar")
self.q.push("baz")
self.assertEqual("hello", self.q.pop())
self.assertEqual("foo", self.q.pop())
self.assertEqual("bar", self.q.pop())
self.assertEqual("baz", self.q.pop())
class TestStack(unittest.TestCase):
def setUp(self):
self.q = Stack(":memory:")
def test_order(self):
self.assertEqual("hello", self.q.push("hello"))
self.q.push("foo")
self.q.push("bar")
self.q.push("baz")
self.assertEqual("baz", self.q.pop())
self.assertEqual("bar", self.q.pop())
self.assertEqual("foo", self.q.pop())
self.assertEqual("hello", self.q.pop())
if __name__ == '__main__':
unittest.main()