Coverage for tests/test_Vector3d.py: 26%
74 statements
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« prev ^ index » next coverage.py v6.4, created at 2022-05-24 02:22 -0700
1#
2# LSST Data Management System
3# See COPYRIGHT file at the top of the source tree.
4#
5# This product includes software developed by the
6# LSST Project (http://www.lsst.org/).
7#
8# This program is free software: you can redistribute it and/or modify
9# it under the terms of the GNU General Public License as published by
10# the Free Software Foundation, either version 3 of the License, or
11# (at your option) any later version.
12#
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16# GNU General Public License for more details.
17#
18# You should have received a copy of the LSST License Statement and
19# the GNU General Public License along with this program. If not,
20# see <https://www.lsstcorp.org/LegalNotices/>.
21#
23import math
24import pickle
25import unittest
27from lsst.sphgeom import Angle, UnitVector3d, Vector3d
30class Vector3dTestCase(unittest.TestCase):
32 def testConstruction(self):
33 v = Vector3d(1, 2, 3)
34 self.assertEqual(v.x(), 1)
35 self.assertEqual(v.y(), 2)
36 self.assertEqual(v.z(), 3)
38 def testComparison(self):
39 v = Vector3d(1, 2, 3)
40 self.assertEqual(v, Vector3d(1, 2, 3))
41 self.assertNotEqual(v, Vector3d(1, 2, 4))
43 def testIsZero(self):
44 self.assertTrue(Vector3d(0, 0, 0).isZero())
45 self.assertFalse(Vector3d(0, 0, 1).isZero())
47 def testAccess(self):
48 v = Vector3d(1, 2, 3)
49 self.assertEqual(len(v), 3)
50 self.assertEqual(v[0], 1)
51 self.assertEqual(v[1], 2)
52 self.assertEqual(v[2], 3)
53 self.assertEqual(v[-3], 1)
54 self.assertEqual(v[-2], 2)
55 self.assertEqual(v[-1], 3)
56 with self.assertRaises(IndexError):
57 v[-4]
58 with self.assertRaises(IndexError):
59 v[3]
61 def testNormal(self):
62 v = Vector3d(0, 2, 0)
63 self.assertEqual(v.getSquaredNorm(), 4)
64 self.assertEqual(v.getNorm(), 2)
65 v.normalize()
66 self.assertTrue(v.isNormalized())
67 self.assertEqual(v, Vector3d(0, 1, 0))
69 def testDot(self):
70 x = Vector3d(1, 0, 0)
71 y = Vector3d(0, 1, 0)
72 self.assertEqual(x.dot(y), 0)
74 def testCross(self):
75 x = Vector3d(1, 0, 0)
76 y = Vector3d(0, 1, 0)
77 self.assertEqual(x.cross(y), Vector3d(0, 0, 1))
79 def testArithmeticOperators(self):
80 self.assertEqual(-Vector3d(1, 1, 1), Vector3d(-1, -1, -1))
81 self.assertEqual(Vector3d(1, 1, 1) * 2, Vector3d(2, 2, 2))
82 self.assertEqual(Vector3d(2, 2, 2) / 2, Vector3d(1, 1, 1))
83 self.assertEqual(Vector3d(1, 1, 1) + Vector3d(1, 1, 1),
84 Vector3d(2, 2, 2))
85 self.assertEqual(Vector3d(1, 1, 1) - Vector3d(1, 1, 1), Vector3d())
86 v = Vector3d(1, 1, 1)
87 v += Vector3d(3, 3, 3)
88 v -= Vector3d(2, 2, 2)
89 v *= 2.0
90 v /= 4.0
91 self.assertEqual(v, Vector3d(1, 1, 1))
92 self.assertEqual(v.cwiseProduct(Vector3d(2, 3, 4)), Vector3d(2, 3, 4))
94 def testRotation(self):
95 v = Vector3d(0, 1, 0).rotatedAround(UnitVector3d.X(),
96 Angle(0.5 * math.pi))
97 self.assertAlmostEqual(v.x(), 0.0, places=15)
98 self.assertAlmostEqual(v.y(), 0.0, places=15)
99 self.assertAlmostEqual(v.z(), 1.0, places=15)
101 def testString(self):
102 v = Vector3d(1, 0, 0)
103 self.assertEqual(str(v), '[1.0, 0.0, 0.0]')
104 self.assertEqual(repr(v), 'Vector3d(1.0, 0.0, 0.0)')
105 self.assertEqual(v, eval(repr(v), dict(Vector3d=Vector3d)))
107 def testPickle(self):
108 v = Vector3d(1, 2, 3)
109 w = pickle.loads(pickle.dumps(v))
110 self.assertEqual(v, w)
113if __name__ == '__main__': 113 ↛ 114line 113 didn't jump to line 114, because the condition on line 113 was never true
114 unittest.main()