import unittest

import numpy as np

import bqplot.pyplot as plt

class TestBqplot(unittest.TestCase):

def test_figure(self):

size = 100

scale = 100.0

np.random.seed(0)

x_data = np.arange(size)

y_data = np.cumsum(np.random.randn(size) * scale)

fig = plt.figure(title='First Example')

plt.plot(y_data)

fig.save_png()