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from unittest import TestCase
import numpy as np
from pyecsca.sca import Trace, welch_ttest, student_ttest, ks_test
class TTestTests(TestCase):
def setUp(self):
self.a = Trace(None, b"\xff", np.array([20, 80], dtype=np.dtype("i1")))
self.b = Trace(None, b"\xff", np.array([30, 42], dtype=np.dtype("i1")))
self.c = Trace(None, b"\x00", np.array([78, 56], dtype=np.dtype("i1")))
self.d = Trace(None, b"\x00", np.array([98, 36], dtype=np.dtype("i1")))
def test_welch_ttest(self):
self.assertIsNotNone(welch_ttest([self.a, self.b], [self.c, self.d]))
a = Trace(None, None, np.array([19.8, 20.4, 19.6, 17.8, 18.5, 18.9, 18.3, 18.9, 19.5, 22.0]))
b = Trace(None, None, np.array([28.2, 26.6, 20.1, 23.3, 25.2, 22.1, 17.7, 27.6, 20.6, 13.7]))
c = Trace(None, None, np.array([20.2, 21.6, 27.1, 13.3, 24.2, 20.1, 11.7, 25.6, 26.6, 21.4]))
result = welch_ttest([a, b], [b, c])
self.assertIsNotNone(result)
def test_students_ttest(self):
self.assertIsNone(student_ttest([], []))
self.assertIsNotNone(student_ttest([self.a, self.b], [self.c, self.d]))
class KolmogorovSmirnovTests(TestCase):
def test_ks_test(self):
self.assertIsNone(ks_test([], []))
a = Trace(None, b"\xff", np.array([20, 80], dtype=np.dtype("i1")))
b = Trace(None, b"\xff", np.array([30, 42], dtype=np.dtype("i1")))
c = Trace(None, b"\x00", np.array([78, 56], dtype=np.dtype("i1")))
d = Trace(None, b"\x00", np.array([98, 36], dtype=np.dtype("i1")))
self.assertIsNotNone(ks_test([a, b], [c, d]))
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