diff options
Diffstat (limited to 'storperf/tests/utilities/math.py')
-rw-r--r-- | storperf/tests/utilities/math.py | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/storperf/tests/utilities/math.py b/storperf/tests/utilities/math.py new file mode 100644 index 0000000..c78538d --- /dev/null +++ b/storperf/tests/utilities/math.py @@ -0,0 +1,66 @@ +############################################################################## +# 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.math import math + +class MathTest(unittest.TestCase): + + def setUp(self): + unittest.TestCase.setUp(self) + pass + + def test_slope_empty_series(self): + expected = 0 + actual = math.slope([]) + self.assertEqual(expected, actual) + + def test_slope_integer_series(self): + expected = 1.4 + actual = math.slope([[1,6], [2,5], [3,7], [4,10]]) + self.assertEqual(expected, actual) + + def test_slope_decimal_series(self): + expected = 1.4 + actual = math.slope([[1.0,6.0], [2.0,5.0], [3.0,7.0], [4.0,10.0]]) + self.assertEqual(expected, actual) + + def test_slope_decimal_integer_mix(self): + expected = 1.4 + actual = math.slope([[1.0,6], [2,5.0], [3,7], [4.0,10]]) + self.assertEqual(expected, actual) + + def test_slope_negative_y_series(self): + expected = 2 + actual = math.slope([[1.0,-2], [2,2], [3,2]]) + self.assertEqual(expected, actual) + + def test_slope_negative_x_series(self): + expected = 1.4 + actual = math.slope([[-24,6.0], [-23,5], [-22,7.0], [-21,10]]) + self.assertEqual(expected, actual) + + def test_slope_out_of_order_series(self): + expected = 1.4 + actual = math.slope([[2,5.0], [4,10], [3.0,7], [1,6]]) + self.assertEqual(expected, actual) + + def test_slope_0_in_y(self): + expected = -0.5 + actual = math.slope([[15.5,1], [16.5,0], [17.5,0]]) + self.assertEqual(expected, actual) + + def test_slope_0_in_x(self): + expected = 1.4 + actual = math.slope([[0,6.0], [1,5], [2,7], [3,10]]) + self.assertEqual(expected, actual) + + def test_slope_0_in_x_and_y(self): + expected = 1.5 + actual = math.slope([[0.0,0], [1,1], [2,3]]) + self.assertEqual(expected, actual) |