Coverage for tests/test_util.py : 26%

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# LSST Data Management System # Copyright 2017 LSST Corporation. # # This product includes software developed by the # LSST Project (http://www.lsst.org/). # # 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 LSST License Statement and # the GNU General Public License along with this program. If not, # see <http://www.lsstcorp.org/LegalNotices/>. #
"""Test utility functions."""
"""Is util.ellipticity correct for a horizontal line."""
ixx, ixy, iyy = 1, 0, 0 exp_e, exp_e1, exp_e2 = 1+0j, 1, 0
obs_e, obs_e1, obs_e2 = util.ellipticity(ixx, ixy, iyy) self.assertFloatsAlmostEqual(exp_e, obs_e) self.assertFloatsAlmostEqual(exp_e1, obs_e1) self.assertFloatsAlmostEqual(exp_e2, obs_e2)
"""Is util.ellipticity correct for a vertical line."""
ixx, ixy, iyy = 0, 0, 1 exp_e, exp_e1, exp_e2 = -1+0j, -1, 0
obs_e, obs_e1, obs_e2 = util.ellipticity(ixx, ixy, iyy) self.assertFloatsAlmostEqual(exp_e, obs_e) self.assertFloatsAlmostEqual(exp_e1, obs_e1) self.assertFloatsAlmostEqual(exp_e2, obs_e2)
"""Is util.ellipticity correct for a diagonal line."""
ixx, ixy, iyy = 1, 1, 1 exp_e, exp_e1, exp_e2 = 0+1j, 0, 1
obs_e, obs_e1, obs_e2 = util.ellipticity(ixx, ixy, iyy) print(obs_e, obs_e1, obs_e2) self.assertFloatsAlmostEqual(exp_e, obs_e) self.assertFloatsAlmostEqual(exp_e1, obs_e1) self.assertFloatsAlmostEqual(exp_e2, obs_e2)
"""Is util.ellipticity correct for a circle."""
ixx, ixy, iyy = 1, 0, 1 exp_e, exp_e1, exp_e2 = 0+0j, 0, 0
obs_e, obs_e1, obs_e2 = util.ellipticity(ixx, ixy, iyy) self.assertFloatsAlmostEqual(exp_e, obs_e) self.assertFloatsAlmostEqual(exp_e1, obs_e1) self.assertFloatsAlmostEqual(exp_e2, obs_e2)
"""Is util.ellipticity correct for an ellipse."""
ixx, ixy, iyy = 4, 0, 1 exp_e, exp_e1, exp_e2 = 0.6+0j, 0.6, 0
obs_e, obs_e1, obs_e2 = util.ellipticity(ixx, ixy, iyy) self.assertFloatsAlmostEqual(exp_e, obs_e) self.assertFloatsAlmostEqual(exp_e1, obs_e1) self.assertFloatsAlmostEqual(exp_e2, obs_e2)
lsst.utils.tests.init()
lsst.utils.tests.init() unittest.main() |