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# 

# Developed for the LSST Data Management System. 

# This product includes software developed by the LSST Project 

# (https://www.lsst.org). 

# See the COPYRIGHT file at the top-level directory of this distribution 

# for details of code ownership. 

# 

# This program is free software: you can redistribute it and/or modify 

# it under the terms of the GNU General Public License as published by 

# the Free Software Foundation, either version 3 of the License, or 

# (at your option) any later version. 

# 

# This program is distributed in the hope that it will be useful, 

# but WITHOUT ANY WARRANTY; without even the implied warranty of 

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

# GNU General Public License for more details. 

# 

# You should have received a copy of the GNU General Public License 

# along with this program. If not, see <https://www.gnu.org/licenses/>. 

# 

 

import sys 

import unittest 

import numpy as np 

 

import lsst.utils.tests 

 

# set to True to test plotting and printing by-eye when tests fail 

display = False 

 

 

class UtilsTestCase(lsst.utils.tests.TestCase): 

def setUp(self): 

self.large = 100. 

self.epsilon = 1e-8 

self.zeros = np.zeros((5, 5), dtype=float) 

self.zeros2 = np.zeros((5, 5), dtype=float) 

self.epsilons = np.zeros((5, 5), dtype=float) + self.epsilon 

self.larges = np.zeros((5, 5), dtype=float) + self.large 

self.larges2 = np.zeros((5, 5), dtype=float) + self.large 

self.largesOneOff = self.larges.copy() 

self.largesOneOff[0] += self.epsilon 

self.largesEpsilon = np.zeros((5, 5), dtype=float) + self.large + self.epsilon 

self.ranges = np.arange(-12., 13.).reshape(5, 5) 

self.rangesEpsilon = self.ranges.copy() 

self.rangesEpsilon += np.linspace(-1E-4, 1E-4, 5) 

 

def test_assertFloatsAlmostEqual(self): 

# zero scalar tests 

self.assertFloatsAlmostEqual(0.0, 0.0) 

self.assertFloatsAlmostEqual(0.0, 1E-8, atol=1E-7) 

self.assertFloatsAlmostEqual(0.0, 1E-8, atol=1E-7, rtol=None) 

self.assertFloatsAlmostEqual(0.0, 1E-8, atol=None, rtol=1E-5, relTo=1E-2) 

 

# zero array vs. scalar tests 

self.assertFloatsAlmostEqual(self.zeros, 0.) 

self.assertFloatsAlmostEqual(self.zeros, self.epsilon, atol=1E-7) 

self.assertFloatsAlmostEqual(self.zeros, self.epsilon, atol=1E-7, rtol=None) 

self.assertFloatsAlmostEqual(self.zeros, self.epsilon, atol=None, rtol=1E-5, relTo=1E-2) 

 

# zero array vs. array tests 

self.assertFloatsAlmostEqual(self.zeros, self.zeros2) 

self.assertFloatsAlmostEqual(self.zeros, self.zeros2, rtol=None) 

self.assertFloatsAlmostEqual(self.zeros, self.zeros2, atol=None) 

self.assertFloatsAlmostEqual(self.zeros, self.epsilons, atol=1E-7) 

self.assertFloatsAlmostEqual(self.zeros, self.epsilons, atol=1E-7, rtol=None) 

self.assertFloatsAlmostEqual(self.zeros, self.epsilons, atol=None, rtol=1E-5, relTo=1E-2) 

 

# invalid value tests 

with self.assertRaises(ValueError): 

self.assertFloatsAlmostEqual(self.zeros, self.zeros2, atol=None, rtol=None) 

 

# non-zero scalar tests 

self.assertFloatsAlmostEqual(self.large, 100.) 

self.assertFloatsAlmostEqual(self.large, self.large + self.epsilon, rtol=1E-7) 

self.assertFloatsAlmostEqual(self.large, self.large + self.epsilon, rtol=1E-7, atol=None) 

self.assertFloatsAlmostEqual(self.large, self.large + self.epsilon, rtol=1E-7, relTo=100.0) 

 

# Non-zero array vs. scalar tests 

self.assertFloatsAlmostEqual(self.larges, self.large) 

self.assertFloatsAlmostEqual(self.larges, self.large + self.epsilon, rtol=1E-7) 

self.assertFloatsAlmostEqual(self.larges, self.large + self.epsilon, rtol=1E-7, atol=None) 

self.assertFloatsAlmostEqual(self.larges, self.large + self.epsilon, rtol=1E-7, relTo=100.0) 

 

# Non-zero array vs. array tests 

self.assertFloatsAlmostEqual(self.larges, self.larges2) 

self.assertFloatsAlmostEqual(self.larges, self.largesEpsilon, rtol=1E-7) 

self.assertFloatsAlmostEqual(self.larges, self.largesEpsilon, rtol=1E-7, atol=None) 

self.assertFloatsAlmostEqual(self.larges, self.largesEpsilon, rtol=1E-7, relTo=100.0) 

self.assertFloatsAlmostEqual(self.larges, self.largesOneOff, atol=1e-7) 

self.assertFloatsAlmostEqual(self.ranges, self.rangesEpsilon, rtol=1E-3, atol=1E-4) 

 

# Test that it raises appropriately 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.large, 0.) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.large, 0., rtol=1E-2) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.large, 0., rtol=1E-2, atol=None) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.large, 0., atol=1e-2) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.large, 0., atol=1e-2, rtol=None) 

 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.larges, 0.) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.larges, 0., rtol=1E-2) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.larges, 0., rtol=1E-2, atol=None) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.larges, 0., atol=1e-2) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.larges, 0., atol=1e-2, rtol=None) 

 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(0., self.larges) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(0., self.larges, rtol=1E-2) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(0., self.larges, rtol=1E-2, atol=None) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(0., self.larges, atol=1e-2) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(0., self.larges, atol=1e-2, rtol=None) 

 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.larges, self.largesEpsilon, rtol=1E-16) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.larges, self.largesEpsilon, rtol=1E-16, atol=None) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.larges, self.largesEpsilon, rtol=1E-16, relTo=100.0) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.larges, self.largesOneOff, atol=1e-16) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.larges, self.largesOneOff, atol=1e-16, rtol=None) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.ranges, self.rangesEpsilon, rtol=1E-15, atol=1E-4) 

 

if display: 

# should see failures on the center row of the 5x5 image, but not the very center point 

nonzeroCenter = self.zeros.copy() 

nonzeroCenter[2, :] = 1e-5 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(self.zeros, nonzeroCenter, rtol=1E-6, plotOnFailure=True) 

 

with self.assertRaises(AssertionError) as cm: 

self.assertFloatsAlmostEqual(10, 0, msg="This is an error message.") 

self.assertIn("This is an error message.", str(cm.exception)) 

self.assertIn("10 != 0; diff=10/10=1.0 with rtol=", str(cm.exception)) 

 

def test_assertFloatsNotEqual(self): 

# zero scalar tests 

self.assertFloatsNotEqual(0.0, 1.0) 

self.assertFloatsNotEqual(0.0, 1E-8, atol=1E-9) 

self.assertFloatsNotEqual(0.0, 1E-8, atol=1E-9, rtol=None) 

self.assertFloatsNotEqual(0.0, 1E-8, atol=None, rtol=1E-7, relTo=1E-2) 

 

# zero array vs. scalar tests 

self.assertFloatsNotEqual(self.zeros, 1.) 

self.assertFloatsNotEqual(self.zeros, self.epsilon, atol=1E-9) 

self.assertFloatsNotEqual(self.zeros, self.epsilon, atol=1E-9, rtol=None) 

self.assertFloatsNotEqual(self.zeros, self.epsilon, atol=None, rtol=1E-7, relTo=1E-2) 

 

# zero array vs. array tests 

self.assertFloatsNotEqual(self.zeros, self.larges) 

self.assertFloatsNotEqual(self.zeros, self.epsilon, atol=1E-9, rtol=None) 

self.assertFloatsNotEqual(self.zeros, self.epsilon, atol=None, rtol=1e-5, relTo=1e-5) 

self.assertFloatsNotEqual(self.zeros, self.epsilons, atol=1E-9) 

self.assertFloatsNotEqual(self.zeros, self.epsilons, atol=1E-9, rtol=None) 

self.assertFloatsNotEqual(self.zeros, self.epsilons, atol=None, rtol=1E-7, relTo=1E-2) 

 

# invalid value tests 

with self.assertRaises(ValueError): 

self.assertFloatsNotEqual(self.zeros, self.zeros2, atol=None, rtol=None) 

 

# non-zero scalar tests 

self.assertFloatsNotEqual(self.large, 1.) 

self.assertFloatsNotEqual(self.large, self.large + self.epsilon, atol=1E-9) 

self.assertFloatsNotEqual(self.large, self.large + self.epsilon, rtol=1E-11, atol=None) 

self.assertFloatsNotEqual(self.large, self.large + self.epsilon, rtol=1E-12, relTo=1.) 

 

# Non-zero array vs. scalar tests 

self.assertFloatsNotEqual(self.larges, self.large + self.epsilon, atol=1e-9) 

self.assertFloatsNotEqual(self.larges, self.large + self.epsilon, atol=1e-9, rtol=None) 

self.assertFloatsNotEqual(self.larges, self.large + self.epsilon, rtol=1E-11, atol=None) 

self.assertFloatsNotEqual(self.larges, self.large + self.epsilon, rtol=1E-12, relTo=1.) 

 

# Non-zero array vs. array tests 

self.assertFloatsNotEqual(self.larges, self.zeros) 

self.assertFloatsNotEqual(self.larges, self.largesEpsilon, rtol=1E-12) 

self.assertFloatsNotEqual(self.larges, self.largesEpsilon, rtol=1E-12, atol=None) 

self.assertFloatsNotEqual(self.larges, self.largesEpsilon, rtol=1E-11, relTo=100.0) 

self.assertFloatsNotEqual(self.larges, self.largesOneOff, atol=1e-9) 

self.assertFloatsNotEqual(self.larges, self.largesOneOff, atol=1e-9, rtol=None) 

self.assertFloatsNotEqual(self.ranges, self.rangesEpsilon) 

 

with self.assertRaises(AssertionError) as cm: 

self.assertFloatsNotEqual(10, 10, msg="This is an error message.") 

self.assertIn("This is an error message.", str(cm.exception)) 

self.assertIn("10 == 10; diff=0/10=0.0 with rtol=", str(cm.exception)) 

 

def test_assertFloatsEqual(self): 

self.assertFloatsEqual(0, 0) 

self.assertFloatsEqual(0., 0.) 

self.assertFloatsEqual(1, 1) 

self.assertFloatsEqual(1., 1.) 

self.assertFloatsEqual(self.zeros, self.zeros2) 

self.assertFloatsEqual(self.zeros, 0) 

self.assertFloatsEqual(self.zeros, 0.) 

self.assertFloatsEqual(self.larges, self.large) 

with self.assertRaises(AssertionError): 

self.assertFloatsEqual(self.larges, 0.) 

with self.assertRaises(AssertionError): 

self.assertFloatsEqual(self.larges, self.largesEpsilon) 

with self.assertRaises(AssertionError): 

self.assertFloatsEqual(self.larges, self.zeros) 

with self.assertRaises(AssertionError): 

self.assertFloatsEqual(self.larges, self.largesEpsilon) 

 

def test_notfinite(self): 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(np.nan, 0.0) 

with self.assertRaises(AssertionError): 

self.assertFloatsAlmostEqual(0.0, np.inf) 

 

 

class TestMemory(lsst.utils.tests.MemoryTestCase): 

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

236 ↛ 237line 236 didn't jump to line 237, because the condition on line 236 was never trueif __name__ == "__main__": 

setup_module(sys.modules[__name__]) 

unittest.main()