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# 

# 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/>. 

# 

 

import pickle 

import unittest 

 

from lsst.sphgeom import Angle, Circle, Q3cPixelization, RangeSet, UnitVector3d 

 

 

class Q3cPixelizationTestCase(unittest.TestCase): 

 

def test_construction(self): 

with self.assertRaises(ValueError): 

Q3cPixelization(-1) 

with self.assertRaises(ValueError): 

Q3cPixelization(Q3cPixelization.MAX_LEVEL + 1) 

q1 = Q3cPixelization(0) 

self.assertEqual(q1.getLevel(), 0) 

q2 = Q3cPixelization(1) 

q3 = Q3cPixelization(q2) 

self.assertNotEqual(q1, q2) 

self.assertEqual(q2, q3) 

 

def test_indexing(self): 

pixelization = Q3cPixelization(1) 

self.assertEqual(pixelization.index(UnitVector3d(0.5, -0.5, 1.0)), 0) 

 

def test_envelope_and_interior(self): 

pixelization = Q3cPixelization(1) 

c = Circle(UnitVector3d(1.0, -0.5, -0.5), Angle.fromDegrees(0.1)) 

rs = pixelization.envelope(c) 

self.assertTrue(rs == RangeSet(4)) 

rs = pixelization.envelope(c, 1) 

self.assertTrue(rs == RangeSet(4)) 

self.assertTrue(rs.isWithin(pixelization.universe())) 

rs = pixelization.interior(c) 

self.assertTrue(rs.empty()) 

 

def test_index_to_string(self): 

strings = ['+X', '+Y', '+Z', '-X', '-Y', '-Z'] 

for i in range(6): 

s = strings[i] 

components = [0.0]*3 

components[i % 3] = 1.0 if i < 3 else -1.0 

v = UnitVector3d(*components) 

f = Q3cPixelization(0).index(v) 

self.assertEqual(Q3cPixelization(0).toString(f), s) 

for j in range(4): 

self.assertEqual(Q3cPixelization(1).toString(f*4 + j), 

s + str(j)) 

 

def test_string(self): 

p = Q3cPixelization(3) 

self.assertEqual(str(p), 'Q3cPixelization(3)') 

self.assertEqual(str(p), repr(p)) 

self.assertEqual( 

p, eval(repr(p), dict(Q3cPixelization=Q3cPixelization))) 

 

def test_pickle(self): 

a = Q3cPixelization(20) 

b = pickle.loads(pickle.dumps(a)) 

self.assertEqual(a, b) 

 

 

84 ↛ 85line 84 didn't jump to line 85, because the condition on line 84 was never trueif __name__ == '__main__': 

unittest.main()