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##############################################################################
# Copyright (c) 2016 CENGN and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import unittest
from storperf.utilities import math
class MathSlopeSeriesTest(unittest.TestCase):
def setUp(self):
unittest.TestCase.setUp(self)
pass
def test_slope_empty_series(self):
expected = []
actual = math.slope_series([])
self.assertEqual(expected, actual)
def test_slope_integer_series(self):
expected = [[1, 4.9], [2, 6.3], [3, 7.7], [4, 9.1]]
actual = math.slope_series([[1, 6], [2, 5], [3, 7], [4, 10]])
self.assertEqual(expected, actual)
def test_slope_mix_series(self):
expected = [[1, 4.9], [2, 6.3], [3, 7.7], [4, 9.1]]
actual = math.slope_series([[1.0, 6], [2, 5.0], [3, 7], [4.0, 10]])
self.assertEqual(expected, actual)
def test_slope_0_in_y(self):
expected = [
[15.5, 0.8333333333333333],
[16.5, 0.3333333333333333],
[17.5, -0.16666666666666669]]
actual = math.slope_series([[15.5, 1], [16.5, 0], [17.5, 0]])
self.assertEqual(expected, actual)
def test_slope_gaps_in_x(self):
expected = [
[1, 1.3571428571428572],
[2, 2.0],
[4, 2.642857142857143]]
actual = math.slope_series([[1, 1], [2, 2], [4, 3]])
self.assertEqual(expected, actual)
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