#
# LSST Data Management System
# See COPYRIGHT file at the top of the source tree.
#
# 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 <https://www.lsstcorp.org/LegalNotices/>.
#
from __future__ import absolute_import, division, print_function
import pickle
import unittest
from lsst.sphgeom import Angle, LonLat, NormalizedAngle, UnitVector3d
class NormalizedAngleTestCase(unittest.TestCase):
def testConstruction(self):
a1 = NormalizedAngle(1.0)
a2 = NormalizedAngle.fromRadians(1.0)
a3 = NormalizedAngle.fromDegrees(57.29577951308232)
self.assertEqual(a1, a2)
self.assertEqual(a1.asRadians(), 1.0)
self.assertEqual(a1, a3)
self.assertEqual(a1.asDegrees(), 57.29577951308232)
self.assertEqual(
NormalizedAngle.between(NormalizedAngle(0), NormalizedAngle(1)),
NormalizedAngle(1)
)
a = NormalizedAngle.center(NormalizedAngle(0), NormalizedAngle(1))
self.assertAlmostEqual(a.asRadians(), 0.5, places=15)
a = NormalizedAngle(LonLat.fromDegrees(45, 0),
LonLat.fromDegrees(90, 0))
self.assertAlmostEqual(a.asDegrees(), 45.0, places=13)
a = NormalizedAngle(UnitVector3d.Y(), UnitVector3d.Z())
self.assertAlmostEqual(a.asDegrees(), 90.0, places=13)
def testComparisonOperators(self):
a1 = NormalizedAngle(1)
a2 = NormalizedAngle(2)
self.assertNotEqual(a1, a2)
self.assertLess(a1, a2)
self.assertLessEqual(a1, a2)
self.assertGreater(a2, a1)
self.assertGreaterEqual(a2, a1)
def testArithmeticOperators(self):
a = NormalizedAngle(1)
b = -a
self.assertEqual(a + b, Angle(0))
self.assertEqual(a - b, 2.0 * a)
self.assertEqual(a - b, a * 2.0)
self.assertEqual(a / 1.0, a)
self.assertEqual(a / a, 1.0)
def testAngleTo(self):
self.assertEqual(NormalizedAngle(1).getAngleTo(NormalizedAngle(2)),
NormalizedAngle(1))
def testString(self):
self.assertEqual(str(NormalizedAngle(1)), '1.0')
self.assertEqual(repr(NormalizedAngle(1)), 'NormalizedAngle(1.0)')
a = NormalizedAngle(0.5)
self.assertEqual(
a, eval(repr(a), dict(NormalizedAngle=NormalizedAngle)))
def testPickle(self):
a = NormalizedAngle(1.5)
b = pickle.loads(pickle.dumps(a))
self.assertEqual(a, b)
87 ↛ 88line 87 didn't jump to line 88, because the condition on line 87 was never trueif __name__ == '__main__':
unittest.main()
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