X-Git-Url: https://svn.cri.ensmp.fr/git/linpy.git/blobdiff_plain/7b93cea1daf2889e9ee10ca9c22a1b5124404937..809c5b59db7b6be224146b8d957453a0f9fb43aa:/linpy/tests/test_geometry.py diff --git a/linpy/tests/test_geometry.py b/linpy/tests/test_geometry.py index 2f4db2b..faa20df 100644 --- a/linpy/tests/test_geometry.py +++ b/linpy/tests/test_geometry.py @@ -18,7 +18,7 @@ import math import unittest -from ..geometry import * +from ..geometry import Point, Vector from ..linexprs import Symbol from ..polyhedra import Eq @@ -29,26 +29,70 @@ class TestPoint(unittest.TestCase): self.x = Symbol('x') self.y = Symbol('y') self.z = Symbol('z') + self.t = Symbol('t') 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_new(self): + self.assertEqual(Point({self.x: 10, self.y: 5, self.z: 1}), self.pt1) + self.assertEqual(Point([(self.x, 10), (self.y, 5), (self.z, 1)]), + self.pt1) + + def test_symbols(self): + self.assertTupleEqual(self.pt1.symbols, (self.x, self.y, self.z)) + + def test_dimension(self): + self.assertEqual(self.pt1.dimension, 3) + + def test_coordinate(self): + self.assertEqual(self.pt1.coordinate(self.x), 10) + with self.assertRaises(KeyError): + self.pt1.coordinate(self.t) + + def test_getitem(self): + self.assertEqual(self.pt1[self.x], 10) + with self.assertRaises(KeyError): + self.pt1[self.t] + + def test_coordinates(self): + self.assertListEqual(list(self.pt1.coordinates()), + [(self.x, 10), (self.y, 5), (self.z, 1)]) + + def test_values(self): + self.assertListEqual(list(self.pt1.values()), [10, 5, 1]) + + def test_isorigin(self): + self.assertFalse(self.pt1.isorigin()) + self.assertTrue(Point({}).isorigin()) + + def test_bool(self): + self.assertTrue(self.pt1) + self.assertFalse(Point({})) + def test_add(self): - self.assertEqual(self.pt1 + self.vec1, Point({self.x: 30, self.y: 35, self.z: 41})) + 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_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_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)) + self.assertEqual(self.pt1.aspolyhedron(), + Eq(self.x, 10) & Eq(self.y, 5) & Eq(self.z, 1)) + + def test_repr(self): + self.assertEqual(repr(self.pt1), 'Point({x: 10, y: 5, z: 1})') class TestVector(unittest.TestCase): @@ -63,19 +107,25 @@ class TestVector(unittest.TestCase): 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})) + 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) + 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})) + 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})) + 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) @@ -85,11 +135,14 @@ class TestVector(unittest.TestCase): 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})) + 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})) + 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) @@ -104,5 +157,7 @@ class TestVector(unittest.TestCase): 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})) + 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}))