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pywafo/wafo/tests/test_containers.py

59 lines
1.8 KiB
Python

'''
Created on 29. jun. 2016
@author: pab
'''
import unittest
import numpy as np
from numpy.testing import assert_array_almost_equal
from wafo.containers import transformdata_1d, PlotData
class TestPlotData(unittest.TestCase):
def setUp(self):
x = np.linspace(0, np.pi, 5)
self.d2 = PlotData(np.sin(x), x,
xlab='x', ylab='sin', title='sinus',
plot_args=['r.'])
self.x = x
def tearDown(self):
pass
def test_copy(self):
d3 = self.d2.copy() # shallow copy
self.d2.args = None
assert_array_almost_equal(d3.args, self.x)
def test_labels_str(self):
txt = str(self.d2.labels)
self.assertEqual(txt,
'AxisLabels(title=sinus, xlab=x, ylab=sin, zlab=)')
class TestTransform(unittest.TestCase):
def test_transformdata_1d(self):
expectations = \
([0.25, 0.4330127, 0.5, 0.4330127, 0.25],
[0.75, 0.5669873, 0.5, 0.5669873, 0.75],
[0.17881231, 0.42307446, 0.66733662, 0.84614892],
[0.82118769, 0.57692554, 0.33266338, 0.15385108],
[-1.38629436, -0.83698822, -0.69314718, -0.83698822, -1.38629436],
[-0.28768207, -0.56741838, -0.69314718, -0.56741838, -0.28768207],
[-1.72141859, -0.86020708, -0.40446069, -0.1670599],
[-0.19700358, -0.55004207, -1.10062416, -1.87177018],
[-6.0205999, -3.6349936, -3.0103, -3.6349936, -6.0205999])
x = np.linspace(0, np.pi, 7)[1:-1]
f = np.sin(x)/2
for i, truth in enumerate(expectations):
plotflag = i * 10
tf = transformdata_1d(x, f, plotflag)
print(tf)
assert_array_almost_equal(tf, truth)
if __name__ == "__main__":
# import sys;sys.argv = ['', 'Test.testName']
unittest.main()