+++ /dev/null
-import math
-import unittest
-
-from ..coordinates import *
-from ..linexprs import Symbol
-from ..polyhedra import Eq
-
-
-class TestPoint(unittest.TestCase):
-
- def setUp(self):
- self.x = Symbol('x')
- self.y = Symbol('y')
- self.z = Symbol('z')
- self.pt1 = Point({self.x: 10, self.y: 5, self.z: 1})
- self.pt2 = Point({self.x: 15, self.y: 40, self.z: 60})
- self.vec1 = Vector({self.x: 20, self.y: 30, self.z: 40})
-
- def test_add(self):
- self.assertEqual(self.pt1 + self.vec1, Point({self.x: 30, self.y: 35, self.z: 41}))
- with self.assertRaises(TypeError):
- self.pt1 + self.pt2
-
- def test_eq(self):
- self.assertEqual(self.pt1, self.pt1)
- self.assertNotEqual(self.pt1, self.pt2)
- self.assertNotEqual(self.pt1, self.vec1)
-
- def test_sub(self):
- self.assertEqual(self.pt1 - self.pt2, Vector({self.x: -5, self.y: -35, self.z: -59}))
- self.assertEqual(self.pt1 - self.vec1, Point({self.x: -10, self.y: -25, self.z: -39}))
-
- def test_aspolyhedron(self):
- self.assertEqual(self.pt1.aspolyhedron(), Eq(self.x, 10) & Eq(self.y, 5) & Eq(self.z, 1))
-
-
-class TestVector(unittest.TestCase):
-
- def setUp(self):
- self.x = Symbol('x')
- self.y = Symbol('y')
- self.z = Symbol('z')
- self.pt1 = Point({self.x: 10, self.y: 5, self.z: 1})
- self.pt2 = Point({self.x: 15, self.y: 40, self.z: 60})
- self.vec1 = Vector({self.x: 20, self.y: 30, self.z: 40})
- self.vec2 = Vector({self.x: 45, self.y: 70, self.z: 80})
-
- def test_add(self):
- self.assertEqual(self.vec1 + self.pt1, Point({self.x: 30, self.y: 35, self.z: 41}))
- self.assertEqual(self.vec1 + self.vec2, Vector({self.x: 65, self.y: 100, self.z: 120}))
-
- def test_angle(self):
- self.assertEqual(math.degrees(self.vec1.angle(self.vec1)), 0)
- self.assertAlmostEqual(math.degrees(self.vec1.angle(self.vec2)), 4.15129, places=5)
- self.assertAlmostEqual(math.degrees(self.vec2.angle(self.vec1)), 4.15129, places=5)
-
- def test_cross(self):
- self.assertEqual(self.vec1.cross(self.vec2), Vector({self.x: -400, self.y: 200, self.z: 50}))
-
- def test_div(self):
- self.assertEqual(self.vec1 / 10, Vector({self.x: 2, self.y: 3, self.z: 4}))
-
- def test_dot(self):
- self.assertEqual(self.vec1.dot(self.vec2), 6200)
-
- def test_eq(self):
- self.assertEqual(self.vec1, self.vec1)
- self.assertNotEqual(self.vec1, self.vec2)
-
- def test_mul(self):
- self.assertEqual(75 * self.vec1, Vector({self.x: 1500, self.y: 2250, self.z: 3000}))
- self.assertEqual(self.vec1 * 75, Vector({self.x: 1500, self.y: 2250, self.z: 3000}))
-
- def test_neg(self):
- self.assertEqual(-self.vec1, Vector({self.x: -20, self.y: -30, self.z: -40}))
-
- def test_norm(self):
- self.assertAlmostEqual(self.vec1.norm(), 53.85165, places=5)
-
- def test_norm2(self):
- self.assertEqual(self.vec1.norm2(), 2900)
-
- def test_asunit(self):
- unit = self.vec1.asunit()
- self.assertAlmostEqual(unit[self.x], 0.37139, 5)
- self.assertAlmostEqual(unit[self.y], 0.55709, 5)
- self.assertAlmostEqual(unit[self.z], 0.74278, 5)
-
- def test_sub(self):
- self.assertEqual(self.vec1 - self.pt1, Point({self.x: 10, self.y: 25, self.z: 39}))
- self.assertEqual(self.vec1 - self.vec2, Vector({self.x: -25, self.y: -40, self.z: -40}))