Files
urh/tests/test_ringbuffer.py
2017-05-12 09:43:26 +02:00

65 lines
2.4 KiB
Python

import unittest
import numpy as np
from urh.util.RingBuffer import RingBuffer
class TestRingBuffer(unittest.TestCase):
def test_push(self):
ring_buffer = RingBuffer(size=10, dtype=np.complex64)
self.assertFalse(ring_buffer.is_full)
self.assertEqual(0, ring_buffer.current_index)
add1 = np.array([1, 2, 3, 4, 5], dtype=np.complex64)
ring_buffer.push(add1)
self.assertEqual(5, ring_buffer.current_index)
self.assertFalse(ring_buffer.is_full)
self.assertTrue(np.array_equal(ring_buffer[0:5], add1))
add2 = np.array([10, 20, 30, 40, 50, 60], dtype=np.complex64)
ring_buffer.push(add2)
self.assertTrue(ring_buffer.is_full)
self.assertTrue(np.array_equal(ring_buffer[0:6], add2))
self.assertTrue(np.array_equal(ring_buffer[6:10], add1[:-1]))
def test_pop(self):
ring_buffer = RingBuffer(size=5, dtype=np.complex64)
add1 = np.array([1, 2, 3], dtype=np.complex64)
ring_buffer.push(add1)
self.assertTrue(np.array_equal(add1, ring_buffer.pop(40)))
self.assertTrue(ring_buffer.is_empty)
add2 = np.array([1, 2, 3, 4], dtype=np.complex64)
ring_buffer.push(add2)
self.assertTrue(np.array_equal(add2, ring_buffer.pop(4)))
self.assertTrue(ring_buffer.is_empty)
add3 = np.array([1, 2], dtype=np.complex64)
ring_buffer.push(add3)
self.assertTrue(np.array_equal(add3[1:], ring_buffer.pop(1)))
self.assertFalse(ring_buffer.is_empty)
def test_big_buffer(self):
ring_buffer = RingBuffer(size=5, dtype=np.complex64)
try:
ring_buffer.push(np.array([1, 2, 3, 4, 5, 6, 7], dtype=np.complex64))
self.assertTrue(False)
except ValueError:
self.assertTrue(True)
def test_will_fit(self):
ring_buffer = RingBuffer(size=8, dtype=np.complex64)
self.assertEqual(ring_buffer.space_left, 8)
self.assertTrue(ring_buffer.will_fit(4))
self.assertTrue(ring_buffer.will_fit(8))
self.assertFalse(ring_buffer.will_fit(9))
ring_buffer.push(np.array([1, 2, 3, 4], dtype=np.complex64))
self.assertEqual(ring_buffer.space_left, 4)
self.assertTrue(ring_buffer.will_fit(3))
self.assertTrue(ring_buffer.will_fit(4))
self.assertFalse(ring_buffer.will_fit(5))
if __name__ == '__main__':
unittest.main()