def test_is_empty(self): c = CircularBuffer(3) assert c.is_empty() is True c.enqueue('A') assert c.is_empty() is False c.dequeue() assert c.is_empty() is True
def test_is_empty(self): cb = CircularBuffer(2) assert cb.is_empty() cb.enqueue('test') assert not cb.is_empty() cb.dequeue() assert cb.is_empty()
def test_rollover(self): cb = CircularBuffer(5, ['A', 'B', 'C', 'D', 'E']) assert cb.front() == 'A' assert cb.length() == 5 assert cb.is_full() is True cb.enqueue('X') assert cb.front() == 'X' assert cb.length() == 5 assert cb.is_full() is True
def test_enqueue_and_dequeue(self): abcd = ['a', 'b', 'c', 'd'] cb = CircularBuffer(4) for i in range(4): cb.enqueue(abcd[i]) assert cb.size == i + 1 for i in range(3, 0): cb.dequeue() assert cb.size == i + 1
def test_dequeue(self): cb = CircularBuffer(4) cb.enqueue(3) cb.enqueue(1) cb.enqueue(4) cb.enqueue(1) assert cb.dequeue() == 3 assert cb.dequeue() == 1 assert cb.dequeue() == 4 assert cb.dequeue() == 1
def test_enqueue(self): buf = CircularBuffer(5) assert len(buf) == 0 buf.enqueue('hi') assert len(buf) == 1 buf.enqueue('boo') buf.enqueue('yo') buf.enqueue(1) buf.enqueue(2) buf.enqueue(10) assert len(buf) == 5
def test_size(self): cb = CircularBuffer() assert cb.size == 0 cb.enqueue('A') assert cb.size == 1 cb.enqueue('B') assert cb.size == 2 cb.dequeue() assert cb.size == 1 cb.dequeue() assert cb.size == 0
def test_front(self): cb = CircularBuffer() assert cb.peek() is None cb.enqueue('A') assert cb.peek() == 'A' cb.enqueue('B') assert cb.peek() == 'A' cb.dequeue() assert cb.peek() == 'B' cb.dequeue() assert cb.peek() is None
def test_length(self): cb = CircularBuffer(5) assert cb.length() == 0 cb.enqueue('A') assert cb.length() == 1 cb.enqueue('B') assert cb.length() == 2 cb.dequeue() assert cb.length() == 1 cb.dequeue() assert cb.length() == 0
def test_front(self): q = CircularBuffer() assert q.front() is None q.enqueue('A') assert q.front() == 'A' q.enqueue('B') assert q.front() == 'A' q.dequeue() assert q.front() == 'B' q.dequeue() assert q.front() is None
def test_length(self): q = CircularBuffer() assert q.length() == 0 q.enqueue('A') assert q.length() == 1 q.enqueue('B') assert q.length() == 2 q.dequeue() assert q.length() == 1 q.dequeue() assert q.length() == 0
def test_front(self): cb = CircularBuffer(4) cb.enqueue(3) assert cb.front() == 3 cb.enqueue(1) assert cb.front() == 3 cb.enqueue(4) assert cb.front() == 3 cb.enqueue(1) assert cb.front() == 3 cb.enqueue(5) assert cb.front() == 1
def test_front(self): abcd = ['a', 1, ['dsf', 5, '324'], {'d': 1002}] cb = CircularBuffer(4) for i in range(4): cb.enqueue(abcd[i]) assert cb.size == i + 1 assert cb.front() == 'a' cb.dequeue() assert cb.front() == 1 cb.dequeue() assert cb.front() == ['dsf', 5, '324'] cb.dequeue() assert cb.front() == {'d': 1002} cb.dequeue()
def test_enqueue(self): cb = CircularBuffer(4) cb.enqueue(3) assert cb.size == 1 assert len(cb) == 4 assert cb.is_empty() == False cb.enqueue(1) assert cb.size == 2 cb.enqueue(4) assert cb.size == 3 cb.enqueue(1) assert cb.size == 4 assert cb.is_full() == True cb.enqueue(5) assert cb.size == 4
def test_properties(self): cb = CircularBuffer(4) cb.enqueue('a') assert cb.size == 1 assert cb.list == ['a', None, None, None] cb.enqueue('b') assert cb.size == 2 assert cb.list == ['a', 'b', None, None] cb.enqueue('c') assert cb.size == 3 assert cb.list == ['a', 'b', 'c', None] cb.enqueue('d') assert cb.size == 4 assert cb.list == ['a', 'b', 'c', 'd']
def test_overflow(self): cb = CircularBuffer(4) cb.enqueue(3) cb.enqueue(1) cb.enqueue(4) cb.enqueue(1) assert cb.front() == 3 cb.enqueue(5) assert cb.front() == 1 assert cb.dequeue() == 1
def test_dequeue(self): c = CircularBuffer(3) with self.assertRaises(ValueError): c.dequeue() c.enqueue('A') c.enqueue('B') c.enqueue('C') assert c.dequeue() == 'A' c.enqueue('D') assert c.dequeue() == 'B' assert c.dequeue() == 'C' c.enqueue('E') c.enqueue('F') assert c.dequeue() == 'D' assert c.dequeue() == 'E' assert c.dequeue() == 'F' with self.assertRaises(ValueError): c.dequeue()
def test_is_full(self): c = CircularBuffer(3) assert c.is_full() is False c.enqueue('A') assert c.is_full() is False c.enqueue('B') assert c.is_full() is False c.enqueue('C') assert c.is_full() is True c.dequeue() assert c.is_full() is False
def test_is_full(self): cb = CircularBuffer(3) assert not cb.is_full() cb.enqueue('test') assert not cb.is_full() cb.enqueue('other test') assert not cb.is_full() cb.enqueue(12345) assert cb.is_full() cb.dequeue() assert not cb.is_full()
def test_enqueue(self): cb = CircularBuffer(5) cb.enqueue('A') assert cb.front() == 'A' assert cb.length() == 1 cb.enqueue('B') assert cb.front() == 'A' assert cb.length() == 2 cb.enqueue('C') assert cb.front() == 'A' assert cb.length() == 3 assert cb.is_empty() is False
def test_enqueue(self): cb = CircularBuffer() cb.enqueue('A') assert cb.peek() == 'A' assert cb.size == 1 cb.enqueue('B') assert cb.peek() == 'A' assert cb.size == 2 cb.enqueue('C') assert cb.peek() == 'A' assert cb.size == 3 assert cb.is_empty() is False
def test_enqueue(self): q = CircularBuffer() q.enqueue('A') assert q.front() == 'A' assert q.length() == 1 q.enqueue('B') assert q.front() == 'A' assert q.length() == 2 q.enqueue('C') assert q.front() == 'A' assert q.length() == 3 assert q.is_empty() is False
def test_front(self): c = CircularBuffer(3) assert c.front() is None c.enqueue('A') assert c.front() == 'A' c.enqueue('B') assert c.front() == 'A' c.dequeue() assert c.front() == 'B' c.dequeue() assert c.front() is None c.enqueue('C') assert c.front() == 'C'
def test_enqueue(self): c = CircularBuffer(3) c.enqueue('A') assert c.size == 1 assert c.start == 0 assert c.end == 1 assert c.front() == 'A' c.enqueue('B') assert c.size == 2 assert c.start == 0 assert c.end == 2 assert c.front() == 'A' c.enqueue('C') assert c.size == 3 assert c.start == 0 assert c.end == 0 assert c.front() == 'A' assert c.is_full() is True with self.assertRaises(ValueError): c.enqueue('D')
class CircularBufferTest(unittest.TestCase): def setUp(self): self.cb = CircularBuffer(4) def test_enqueue(self): self.cb.enqueue('one') self.cb.enqueue('two') self.cb.enqueue('three') self.cb.enqueue('four') self.cb.enqueue('!!!!') #Create a __eq__function assert self.cb.get_at_index(0) == '!!!!' def test_size(self): self.cb.enqueue(101) self.cb.enqueue(202) self.cb.enqueue(303) print(self.cb.size()) assert self.cb.size() == 3 self.cb.enqueue(404) self.cb.enqueue(505) assert self.cb.size() == 4