def test_push(self):
ring = RingBuffer()
ring.push(1)
self.assertEquals(ring.pop(), 1)
ring.push("foo")
ring.push(False)
self.assertEquals(ring.pop(), False)
self.assertEquals(ring.pop(), "foo")
self.assertRaises(IndexError, ring.pop)
for item in RingBufferTestCase.ITEMS:
ring.push(item)
for item in RingBufferTestCase.ITEMS[-5::][::-1]:
self.assertEquals(ring.pop(), item)
self.assertRaises(IndexError, ring.pop)
r1 = RingBuffer(1)
r1.push("foo")
self.assertEquals(r1.pop(), "foo")
self.assertRaises(IndexError, r1.pop)
r1.push("foo")
r1.push(False)
self.assertEquals(r1.pop(), False)
self.assertRaises(IndexError, r1.pop)
def test_peak(self):
ring = RingBuffer()
self.assertRaises(IndexError, ring.peak)
for i in range(5):
ring.push(i)
self.assertEquals(ring.peak(), 4)
self.assertEquals(ring.peak(1), 0)
self.assertEquals(ring.peak(2), 1)
self.assertEquals(ring.peak(3), 2)
self.assertEquals(ring.peak(4), 3)
self.assertEquals(ring.peak(5), 4)
self.assertEquals(ring.peak(6), 0)
self.assertEquals(ring.peak(7), 1)
self.assertEquals(ring.peak(-1), 3)
self.assertEquals(ring.peak(-2), 2)
self.assertEquals(ring.peak(-3), 1)
self.assertEquals(ring.peak(-4), 0)
self.assertEquals(ring.peak(-5), 4)
self.assertEquals(ring.peak(-6), 3)
self.assertEquals(ring.peak(-7), 2)
def test_create(self):
ring = RingBuffer()
self.assertEquals(len(ring), 0)
self.assertRaises(IndexError, ring.pop)
