dashboard/dashboard/pinpoint/mann_whitney_u_test.py - Issue 3019503002: [pinpoint] Move mann_whitney_u.py to models/

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Side by Side Diff: dashboard/dashboard/pinpoint/mann_whitney_u_test.py

Issue 3019503002: [pinpoint] Move mann_whitney_u.py to models/ (Closed)

Patch Set: Created 3 years, 3 months ago

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1 # Copyright 2016 The Chromium Authors. All rights reserved.

2 # Use of this source code is governed by a BSD-style license that can be

3 # found in the LICENSE file.

4

5 import unittest

6

7 from dashboard.pinpoint import mann_whitney_u

8

9

10 class MannWhitneyUTest(unittest.TestCase):

11 def testBasic(self):

12 self.assertAlmostEqual(

13 mann_whitney_u.MannWhitneyU(range(10), range(20, 30)),

14 0.00018267179110955002)

15 self.assertAlmostEqual(

16 mann_whitney_u.MannWhitneyU(range(5), range(10)),

17 0.13986357686781267)

18

19 def testDuplicateValues(self):

20 self.assertAlmostEqual(mann_whitney_u.MannWhitneyU([0] * 5, [1] * 5),

21 0.0039767517097886512)

22

23 def testSmallSamples(self):

24 self.assertEqual(mann_whitney_u.MannWhitneyU([0], [1]), 1.0)

25

26 def testAllValuesIdentical(self):

27 with self.assertRaises(ValueError):

28 mann_whitney_u.MannWhitneyU([0] * 5, [0] * 5)

29

30

31 if __name__ == '__main__':

32 unittest.main()

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