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[util] tests for util/debug.py

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mzwiessele 2016-03-10 12:07:23 +00:00
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GPy/testing/util_tests.py Normal file
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#===============================================================================
# Copyright (c) 2016, Max Zwiessele
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# * Neither the name of GPy.testing.util_tests nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#===============================================================================
import unittest, numpy as np
class TestDebug(unittest.TestCase):
def test_checkFinite(self):
from GPy.util.debug import checkFinite
array = np.random.normal(0, 1, 100).reshape(25,4)
self.assertTrue(checkFinite(array, name='test'))
array[np.random.binomial(1, .3, array.shape).astype(bool)] = np.nan
self.assertFalse(checkFinite(array))
def test_checkFullRank(self):
from GPy.util.debug import checkFullRank
from GPy.util.linalg import tdot
array = np.random.normal(0, 1, 100).reshape(25,4)
self.assertFalse(checkFullRank(tdot(array), name='test'))
array = np.random.normal(0, 1, (25,25))
self.assertTrue(checkFullRank(tdot(array)))