| 1 | #!/usr/bin/env python |
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| 2 | |
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| 3 | #FIXME: Seperate the tests for mesh and general_mesh |
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| 4 | |
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| 5 | import unittest |
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| 6 | from math import sqrt |
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| 7 | |
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| 8 | from mesh import * |
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| 9 | from config import epsilon |
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| 10 | from Numeric import allclose, array |
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| 11 | |
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| 12 | def distance(x, y): |
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| 13 | return sqrt( sum( (array(x)-array(y))**2 )) |
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| 14 | |
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| 15 | class TestCase(unittest.TestCase): |
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| 16 | def setUp(self): |
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| 17 | pass |
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| 18 | |
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| 19 | def tearDown(self): |
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| 20 | pass |
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| 21 | |
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| 22 | def test_triangle_inputs(self): |
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| 23 | points = [[0.0, 0.0], [4.0, 0.0], [0.0, 3.0]] |
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| 24 | vertices = [0,1,2] #Wrong |
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| 25 | |
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| 26 | try: |
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| 27 | mesh = Mesh(points, vertices) |
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| 28 | except: |
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| 29 | pass |
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| 30 | else: |
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| 31 | msg = 'Should have raised exception' |
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| 32 | raise msg |
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| 33 | |
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| 34 | |
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| 35 | def test_basic_triangle(self): |
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| 36 | |
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| 37 | a = [0.0, 0.0] |
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| 38 | b = [4.0, 0.0] |
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| 39 | c = [0.0, 3.0] |
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| 40 | |
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| 41 | points = [a, b, c] |
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| 42 | vertices = [[0,1,2]] |
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| 43 | mesh = Mesh(points, vertices) |
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| 44 | |
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| 45 | #Centroid |
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| 46 | centroid = mesh.centroid_coordinates[0] |
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| 47 | assert centroid[0] == 4.0/3 |
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| 48 | assert centroid[1] == 1.0 |
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| 49 | |
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| 50 | #Area |
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| 51 | assert mesh.areas[0] == 6.0,\ |
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| 52 | 'Area was %f, should have been 6.0' %mesh.areas[0] |
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| 53 | |
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| 54 | #Normals |
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| 55 | normals = mesh.get_normals() |
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| 56 | assert allclose(normals[0, 0:2], [3.0/5, 4.0/5]) |
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| 57 | assert allclose(normals[0, 2:4], [-1.0, 0.0]) |
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| 58 | assert allclose(normals[0, 4:6], [0.0, -1.0]) |
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| 59 | |
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| 60 | assert allclose(mesh.get_normal(0,0), [3.0/5, 4.0/5]) |
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| 61 | assert allclose(mesh.get_normal(0,1), [-1.0, 0.0]) |
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| 62 | assert allclose(mesh.get_normal(0,2), [0.0, -1.0]) |
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| 63 | |
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| 64 | #Edge lengths |
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| 65 | assert allclose(mesh.edgelengths[0], [5.0, 3.0, 4.0]) |
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| 66 | |
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| 67 | |
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| 68 | #Vertex coordinates |
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| 69 | V = mesh.get_vertex_coordinates() |
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| 70 | assert allclose(V[0], [0.0, 0.0, 4.0, 0.0, 0.0, 3.0]) |
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| 71 | |
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| 72 | V0 = mesh.get_vertex_coordinate(0, 0) |
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| 73 | assert allclose(V0, [0.0, 0.0]) |
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| 74 | |
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| 75 | V1 = mesh.get_vertex_coordinate(0, 1) |
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| 76 | assert allclose(V1, [4.0, 0.0]) |
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| 77 | |
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| 78 | V2 = mesh.get_vertex_coordinate(0, 2) |
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| 79 | assert allclose(V2, [0.0, 3.0]) |
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| 80 | |
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| 81 | |
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| 82 | #General tests: |
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| 83 | |
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| 84 | #Test that points are arranged in a counter clock wise order etc |
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| 85 | mesh.check_integrity() |
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| 86 | |
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| 87 | |
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| 88 | #Test that the centroid is located 2/3 of the way |
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| 89 | #from each vertex to the midpoint of the opposite side |
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| 90 | |
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| 91 | V = mesh.get_vertex_coordinates() |
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| 92 | |
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| 93 | x0 = V[0,0] |
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| 94 | y0 = V[0,1] |
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| 95 | x1 = V[0,2] |
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| 96 | y1 = V[0,3] |
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| 97 | x2 = V[0,4] |
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| 98 | y2 = V[0,5] |
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| 99 | |
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| 100 | m0 = [(x1 + x2)/2, (y1 + y2)/2] |
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| 101 | m1 = [(x0 + x2)/2, (y0 + y2)/2] |
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| 102 | m2 = [(x1 + x0)/2, (y1 + y0)/2] |
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| 103 | |
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| 104 | d0 = distance(centroid, [x0, y0]) |
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| 105 | d1 = distance(m0, [x0, y0]) |
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| 106 | assert d0 == 2*d1/3 |
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| 107 | # |
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| 108 | d0 = distance(centroid, [x1, y1]) |
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| 109 | d1 = distance(m1, [x1, y1]) |
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| 110 | assert abs(d0 - 2*d1/3) < epsilon, '%e, %e' %(d0, 2*d1/3) |
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| 111 | |
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| 112 | d0 = distance(centroid, [x2, y2]) |
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| 113 | d1 = distance(m2, [x2, y2]) |
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| 114 | assert abs(d0 - 2*d1/3) < epsilon, '%e, %e' %(d0, 2*d1/3) |
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| 115 | |
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| 116 | #Radius |
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| 117 | d0 = distance(centroid, m0) |
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| 118 | assert d0 == 5.0/6 |
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| 119 | |
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| 120 | d1 = distance(centroid, m1) |
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| 121 | assert d1 == sqrt(73.0/36) |
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| 122 | |
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| 123 | d2 = distance(centroid, m2) |
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| 124 | assert d2 == sqrt(13.0/9) |
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| 125 | |
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| 126 | assert mesh.radii[0] == min(d0, d1, d2) |
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| 127 | assert mesh.radii[0] == 5.0/6 |
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| 128 | |
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| 129 | |
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| 130 | |
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| 131 | #Let x be the centroid of triangle abc. |
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| 132 | #Test that areas of the three triangles axc, cxb, and bxa are equal. |
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| 133 | |
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| 134 | points = [a, b, c, centroid] |
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| 135 | vertices = [[0,3,2], [2,3,1], [1,3,0]] |
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| 136 | new_mesh = Mesh(points, vertices) |
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| 137 | |
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| 138 | assert new_mesh.areas[0] == new_mesh.areas[1] |
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| 139 | assert new_mesh.areas[1] == new_mesh.areas[2] |
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| 140 | assert new_mesh.areas[1] == new_mesh.areas[2] |
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| 141 | |
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| 142 | assert new_mesh.areas[1] == mesh.areas[0]/3 |
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| 143 | |
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| 144 | |
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| 145 | |
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| 146 | def test_general_triangle(self): |
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| 147 | a = [2.0, 1.0] |
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| 148 | b = [6.0, 2.0] |
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| 149 | c = [1.0, 3.0] |
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| 150 | |
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| 151 | points = [a, b, c] |
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| 152 | vertices = [[0,1,2]] |
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| 153 | |
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| 154 | mesh = Mesh(points, vertices) |
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| 155 | centroid = mesh.centroid_coordinates[0] |
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| 156 | |
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| 157 | |
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| 158 | #Test that the centroid is located 2/3 of the way |
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| 159 | #from each vertex to the midpoint of the opposite side |
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| 160 | |
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| 161 | V = mesh.get_vertex_coordinates() |
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| 162 | |
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| 163 | x0 = V[0,0] |
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| 164 | y0 = V[0,1] |
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| 165 | x1 = V[0,2] |
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| 166 | y1 = V[0,3] |
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| 167 | x2 = V[0,4] |
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| 168 | y2 = V[0,5] |
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| 169 | |
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| 170 | m0 = [(x1 + x2)/2, (y1 + y2)/2] |
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| 171 | m1 = [(x0 + x2)/2, (y0 + y2)/2] |
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| 172 | m2 = [(x1 + x0)/2, (y1 + y0)/2] |
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| 173 | |
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| 174 | d0 = distance(centroid, [x0, y0]) |
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| 175 | d1 = distance(m0, [x0, y0]) |
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| 176 | assert abs(d0 - 2*d1/3) < epsilon, '%e, %e' %(d0, 2*d1/3) |
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| 177 | # |
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| 178 | d0 = distance(centroid, [x1, y1]) |
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| 179 | d1 = distance(m1, [x1, y1]) |
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| 180 | assert abs(d0 - 2*d1/3) < epsilon, '%e, %e' %(d0, 2*d1/3) |
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| 181 | |
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| 182 | d0 = distance(centroid, [x2, y2]) |
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| 183 | d1 = distance(m2, [x2, y2]) |
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| 184 | assert abs(d0 - 2*d1/3) < epsilon, '%e, %e' %(d0, 2*d1/3) |
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| 185 | |
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| 186 | #Radius |
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| 187 | d0 = distance(centroid, m0) |
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| 188 | d1 = distance(centroid, m1) |
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| 189 | d2 = distance(centroid, m2) |
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| 190 | assert mesh.radii[0] == min(d0, d1, d2) |
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| 191 | |
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| 192 | |
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| 193 | |
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| 194 | #Let x be the centroid of triangle abc. |
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| 195 | #Test that areas of the three triangles axc, cxb, and bxa are equal. |
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| 196 | |
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| 197 | points = [a, b, c, centroid] |
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| 198 | vertices = [[0,3,2], [2,3,1], [1,3,0]] |
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| 199 | new_mesh = Mesh(points, vertices) |
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| 200 | |
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| 201 | assert new_mesh.areas[0] == new_mesh.areas[1] |
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| 202 | assert new_mesh.areas[1] == new_mesh.areas[2] |
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| 203 | assert new_mesh.areas[1] == new_mesh.areas[2] |
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| 204 | |
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| 205 | assert new_mesh.areas[1] == mesh.areas[0]/3 |
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| 206 | |
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| 207 | |
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| 208 | #Test that points are arranged in a counter clock wise order |
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| 209 | mesh.check_integrity() |
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| 210 | |
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| 211 | |
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| 212 | def test_boundary_indices(self): |
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| 213 | a = [0.0, 0.5] |
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| 214 | b = [0.0, 0.0] |
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| 215 | c = [0.5, 0.5] |
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| 216 | |
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| 217 | points = [a, b, c] |
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| 218 | vertices = [ [0,1,2] ] |
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| 219 | mesh = Mesh(points, vertices) |
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| 220 | mesh.check_integrity() |
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| 221 | |
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| 222 | assert allclose(mesh.neighbours, [[-1,-2,-3]]) |
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| 223 | |
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| 224 | |
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| 225 | |
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| 226 | def test_two_triangles(self): |
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| 227 | a = [0.0, 0.0] |
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| 228 | b = [0.0, 2.0] |
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| 229 | c = [2.0,0.0] |
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| 230 | e = [2.0, 2.0] |
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| 231 | points = [a, b, c, e] |
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| 232 | vertices = [ [1,0,2], [1,2,3] ] #bac, bce |
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| 233 | mesh = Mesh(points, vertices) |
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| 234 | |
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| 235 | assert mesh.areas[0] == 2.0 |
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| 236 | |
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| 237 | assert allclose(mesh.centroid_coordinates[0], [2.0/3, 2.0/3]) |
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| 238 | |
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| 239 | |
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| 240 | #Test that points are arranged in a counter clock wise order |
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| 241 | mesh.check_integrity() |
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| 242 | |
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| 243 | |
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| 244 | |
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| 245 | def test_more_triangles(self): |
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| 246 | |
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| 247 | a = [0.0, 0.0] |
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| 248 | b = [0.0, 2.0] |
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| 249 | c = [2.0,0.0] |
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| 250 | d = [0.0, 4.0] |
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| 251 | e = [2.0, 2.0] |
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| 252 | f = [4.0,0.0] |
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| 253 | |
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| 254 | points = [a, b, c, d, e, f] |
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| 255 | #bac, bce, ecf, dbe, daf, dae |
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| 256 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4], [3,0,5], [3,0,4]] |
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| 257 | mesh = Mesh(points, vertices) |
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| 258 | |
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| 259 | #Test that points are arranged in a counter clock wise order |
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| 260 | mesh.check_integrity() |
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| 261 | |
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| 262 | assert mesh.areas[0] == 2.0 |
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| 263 | assert mesh.areas[1] == 2.0 |
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| 264 | assert mesh.areas[2] == 2.0 |
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| 265 | assert mesh.areas[3] == 2.0 |
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| 266 | assert mesh.areas[4] == 8.0 |
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| 267 | assert mesh.areas[5] == 4.0 |
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| 268 | |
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| 269 | assert mesh.edgelengths[1,0] == 2.0 |
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| 270 | assert mesh.edgelengths[1,1] == 2.0 |
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| 271 | assert mesh.edgelengths[1,2] == sqrt(8.0) |
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| 272 | |
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| 273 | assert allclose(mesh.centroid_coordinates[0], [2.0/3, 2.0/3]) |
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| 274 | assert allclose(mesh.centroid_coordinates[1], [4.0/3, 4.0/3]) |
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| 275 | assert allclose(mesh.centroid_coordinates[2], [8.0/3, 2.0/3]) |
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| 276 | assert allclose(mesh.centroid_coordinates[3], [2.0/3, 8.0/3]) |
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| 277 | |
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| 278 | |
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| 279 | def test_mesh_and_neighbours(self): |
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| 280 | a = [0.0, 0.0] |
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| 281 | b = [0.0, 2.0] |
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| 282 | c = [2.0,0.0] |
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| 283 | d = [0.0, 4.0] |
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| 284 | e = [2.0, 2.0] |
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| 285 | f = [4.0,0.0] |
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| 286 | |
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| 287 | |
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| 288 | points = [a, b, c, d, e, f] |
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| 289 | |
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| 290 | #bac, bce, ecf, dbe |
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| 291 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
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| 292 | mesh = Mesh(points, vertices) |
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| 293 | |
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| 294 | mesh.check_integrity() |
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| 295 | |
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| 296 | |
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| 297 | T = mesh |
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| 298 | tid = 0 |
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| 299 | assert T.number_of_boundaries[tid] == 2 |
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| 300 | assert T.neighbours[tid, 0] < 0 #Opposite point b (0,2) |
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| 301 | assert T.neighbours[tid, 1] == 1 #Opposite point a (0,0) |
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| 302 | assert T.neighbours[tid, 2] < 0 #Opposite point c (2,0) |
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| 303 | |
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| 304 | tid = 1 |
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| 305 | assert T.number_of_boundaries[tid] == 0 |
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| 306 | assert T.neighbours[tid, 0] == 2 #Opposite point b (0,2) |
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| 307 | assert T.neighbours[tid, 1] == 3 #Opposite point c (2,0) |
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| 308 | assert T.neighbours[tid, 2] == 0 #Opposite point e (2,2) |
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| 309 | |
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| 310 | tid = 2 |
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| 311 | assert T.number_of_boundaries[tid] == 2 |
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| 312 | assert T.neighbours[tid, 0] < 0 #Opposite point e (2,2) |
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| 313 | assert T.neighbours[tid, 1] < 0 #Opposite point c (2,0) |
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| 314 | assert T.neighbours[tid, 2] == 1 #Opposite point f (4,0) |
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| 315 | |
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| 316 | tid = 3 |
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| 317 | assert T.number_of_boundaries[tid] == 2 |
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| 318 | assert T.neighbours[tid, 0] == 1 #Opposite point d (0,4) |
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| 319 | assert T.neighbours[tid, 1] < 0 #Opposite point b (0,3) |
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| 320 | assert T.neighbours[tid, 2] < 0 #Opposite point e (2,2) |
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| 321 | |
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| 322 | #Neighbouring edges |
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| 323 | tid = 0 |
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| 324 | assert T.neighbour_edges[tid, 0] < 0 #Opposite point b (0,2) |
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| 325 | assert T.neighbour_edges[tid, 1] == 2 #Opposite point a (0,0) |
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| 326 | assert T.neighbour_edges[tid, 2] < 0 #Opposite point c (2,0) |
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| 327 | |
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| 328 | tid = 1 |
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| 329 | assert T.neighbour_edges[tid, 0] == 2 #Opposite point b (0,2) |
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| 330 | assert T.neighbour_edges[tid, 1] == 0 #Opposite point c (2,0) |
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| 331 | assert T.neighbour_edges[tid, 2] == 1 #Opposite point e (2,2) |
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| 332 | |
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| 333 | tid = 2 |
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| 334 | assert T.neighbour_edges[tid, 0] < 0 #Opposite point e (2,2) |
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| 335 | assert T.neighbour_edges[tid, 1] < 0 #Opposite point c (2,0) |
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| 336 | assert T.neighbour_edges[tid, 2] == 0 #Opposite point f (4,0) |
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| 337 | |
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| 338 | tid = 3 |
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| 339 | assert T.neighbour_edges[tid, 0] == 1 #Opposite point d (0,4) |
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| 340 | assert T.neighbour_edges[tid, 1] < 0 #Opposite point b (0,3) |
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| 341 | assert T.neighbour_edges[tid, 2] < 0 #Opposite point e (2,2) |
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| 342 | |
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| 343 | |
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| 344 | def test_rectangular_mesh_basic(self): |
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| 345 | M=1 |
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| 346 | N=1 |
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| 347 | mesh = rectangular_mesh(M, N) |
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| 348 | |
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| 349 | #Test that points are arranged in a counter clock wise order |
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| 350 | mesh.check_integrity() |
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| 351 | |
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| 352 | M=2 |
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| 353 | N=2 |
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| 354 | mesh = rectangular_mesh(M, N) |
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| 355 | |
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| 356 | #Test that points are arranged in a counter clock wise order |
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| 357 | mesh.check_integrity() |
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| 358 | |
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| 359 | #assert mesh.boundary[(7,1)] == 2 # top |
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| 360 | assert mesh.boundary[(7,1)] == 'top' # top |
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| 361 | assert mesh.boundary[(3,1)] == 'top' # top |
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| 362 | |
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| 363 | |
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| 364 | def test_boundary_tags(self): |
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| 365 | |
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| 366 | |
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| 367 | mesh = rectangular_mesh(4, 4) |
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| 368 | |
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| 369 | #Test that points are arranged in a counter clock wise order |
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| 370 | mesh.check_integrity() |
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| 371 | |
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| 372 | #print mesh.get_boundary_tags() |
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| 373 | #print mesh.boundary |
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| 374 | |
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| 375 | for k in [1, 3, 5, 7]: |
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| 376 | assert mesh.boundary[(k,2)] == 'left' |
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| 377 | |
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| 378 | for k in [24, 26, 28, 30]: |
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| 379 | assert mesh.boundary[(k,2)] == 'right' |
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| 380 | |
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| 381 | for k in [7, 15, 23, 31]: |
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| 382 | assert mesh.boundary[(k,1)] == 'top' |
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| 383 | for k in [0, 8, 16, 24]: |
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| 384 | assert mesh.boundary[(k,1)] == 'bottom' |
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| 385 | |
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| 386 | |
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| 387 | |
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| 388 | def test_rectangular_mesh(self): |
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| 389 | M=4 |
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| 390 | N=16 |
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| 391 | len1 = 100.0 |
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| 392 | len2 = 17.0 |
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| 393 | mesh = rectangular_mesh(M, N, len1, len2) |
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| 394 | |
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| 395 | assert len(mesh) == 2*M*N |
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| 396 | |
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| 397 | for i in range(len(mesh)): |
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| 398 | assert mesh.areas[i] == len1*len2/(2*M*N) |
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| 399 | |
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| 400 | hypo = sqrt((len1/M)**2 + (len2/N)**2) #hypothenuse |
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| 401 | assert mesh.edgelengths[i, 0] == hypo |
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| 402 | assert mesh.edgelengths[i, 1] == len1/M #x direction |
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| 403 | assert mesh.edgelengths[i, 2] == len2/N #y direction |
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| 404 | |
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| 405 | #Test that points are arranged in a counter clock wise order |
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| 406 | mesh.check_integrity() |
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| 407 | |
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| 408 | |
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| 409 | def test_rectangular_mesh2(self): |
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| 410 | #Check that integers don't cause trouble |
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| 411 | N = 16 |
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| 412 | mesh = rectangular_mesh(2*N, N, len1=10, len2=10) |
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| 413 | |
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| 414 | |
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| 415 | def test_surrogate_neighbours(self): |
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| 416 | a = [0.0, 0.0] |
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| 417 | b = [0.0, 2.0] |
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| 418 | c = [2.0,0.0] |
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| 419 | d = [0.0, 4.0] |
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| 420 | e = [2.0, 2.0] |
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| 421 | f = [4.0,0.0] |
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| 422 | |
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| 423 | points = [a, b, c, d, e, f] |
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| 424 | |
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| 425 | #bac, bce, ecf, dbe |
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| 426 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
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| 427 | mesh = Mesh(points, vertices) |
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| 428 | mesh.check_integrity() |
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| 429 | |
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| 430 | |
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| 431 | T = mesh |
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| 432 | tid = 0 |
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| 433 | assert T.number_of_boundaries[tid] == 2 |
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| 434 | assert T.surrogate_neighbours[tid, 0] == tid |
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| 435 | assert T.surrogate_neighbours[tid, 1] == 1 |
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| 436 | assert T.surrogate_neighbours[tid, 2] == tid |
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| 437 | |
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| 438 | tid = 1 |
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| 439 | assert T.number_of_boundaries[tid] == 0 |
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| 440 | assert T.surrogate_neighbours[tid, 0] == 2 |
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| 441 | assert T.surrogate_neighbours[tid, 1] == 3 |
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| 442 | assert T.surrogate_neighbours[tid, 2] == 0 |
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| 443 | |
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| 444 | tid = 2 |
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| 445 | assert T.number_of_boundaries[tid] == 2 |
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| 446 | assert T.surrogate_neighbours[tid, 0] == tid |
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| 447 | assert T.surrogate_neighbours[tid, 1] == tid |
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| 448 | assert T.surrogate_neighbours[tid, 2] == 1 |
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| 449 | |
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| 450 | tid = 3 |
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| 451 | assert T.number_of_boundaries[tid] == 2 |
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| 452 | assert T.surrogate_neighbours[tid, 0] == 1 |
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| 453 | assert T.surrogate_neighbours[tid, 1] == tid |
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| 454 | assert T.surrogate_neighbours[tid, 2] == tid |
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| 455 | |
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| 456 | |
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| 457 | def test_boundary_inputs(self): |
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| 458 | a = [0.0, 0.0] |
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| 459 | b = [0.0, 2.0] |
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| 460 | c = [2.0,0.0] |
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| 461 | d = [0.0, 4.0] |
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| 462 | e = [2.0, 2.0] |
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| 463 | f = [4.0,0.0] |
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| 464 | |
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| 465 | points = [a, b, c, d, e, f] |
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| 466 | |
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| 467 | #bac, bce, ecf, dbe |
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| 468 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
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| 469 | |
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| 470 | boundary = { (0, 0): 'First', |
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| 471 | (0, 2): 'Second', |
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| 472 | (2, 0): 'Third', |
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| 473 | (2, 1): 'Fourth', |
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| 474 | (3, 1): 'Fifth', |
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| 475 | (3, 2): 'Sixth'} |
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| 476 | |
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| 477 | |
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| 478 | mesh = Mesh(points, vertices, boundary) |
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| 479 | mesh.check_integrity() |
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| 480 | |
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| 481 | |
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| 482 | #Check enumeration |
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| 483 | for k, (vol_id, edge_id) in enumerate(mesh.boundary_segments): |
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| 484 | b = -k-1 |
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| 485 | assert mesh.neighbours[vol_id, edge_id] == b |
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| 486 | |
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| 487 | |
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| 488 | |
|---|
| 489 | def test_boundary_inputs_using_defaults(self): |
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| 490 | a = [0.0, 0.0] |
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| 491 | b = [0.0, 2.0] |
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| 492 | c = [2.0,0.0] |
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| 493 | d = [0.0, 4.0] |
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| 494 | e = [2.0, 2.0] |
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| 495 | f = [4.0,0.0] |
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| 496 | |
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| 497 | points = [a, b, c, d, e, f] |
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| 498 | |
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| 499 | #bac, bce, ecf, dbe |
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| 500 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
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| 501 | |
|---|
| 502 | boundary = { (0, 0): 'First', |
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| 503 | (0, 2): 'Second', |
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| 504 | (2, 0): 'Third', |
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| 505 | (2, 1): 'Fourth', |
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| 506 | #(3, 1): 'Fifth', #Skip this |
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| 507 | (3, 2): 'Sixth'} |
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| 508 | |
|---|
| 509 | |
|---|
| 510 | mesh = Mesh(points, vertices, boundary) |
|---|
| 511 | mesh.check_integrity() |
|---|
| 512 | |
|---|
| 513 | from config import default_boundary_tag |
|---|
| 514 | assert mesh.boundary[ (3, 1) ] == default_boundary_tag |
|---|
| 515 | |
|---|
| 516 | |
|---|
| 517 | #Check enumeration |
|---|
| 518 | for k, (vol_id, edge_id) in enumerate(mesh.boundary_segments): |
|---|
| 519 | b = -k-1 |
|---|
| 520 | assert mesh.neighbours[vol_id, edge_id] == b |
|---|
| 521 | |
|---|
| 522 | |
|---|
| 523 | |
|---|
| 524 | |
|---|
| 525 | |
|---|
| 526 | |
|---|
| 527 | def test_inputs(self): |
|---|
| 528 | a = [0.0, 0.0] |
|---|
| 529 | b = [0.0, 2.0] |
|---|
| 530 | c = [2.0,0.0] |
|---|
| 531 | d = [0.0, 4.0] |
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| 532 | e = [2.0, 2.0] |
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| 533 | f = [4.0,0.0] |
|---|
| 534 | |
|---|
| 535 | points = [a, b, c, d, e, f] |
|---|
| 536 | |
|---|
| 537 | #bac, bce, ecf, dbe |
|---|
| 538 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
|---|
| 539 | |
|---|
| 540 | #Too few points |
|---|
| 541 | try: |
|---|
| 542 | mesh = Mesh([points[0]], vertices) |
|---|
| 543 | except AssertionError: |
|---|
| 544 | pass |
|---|
| 545 | else: |
|---|
| 546 | raise 'Should have raised an exception' |
|---|
| 547 | |
|---|
| 548 | #Too few points - 1 element |
|---|
| 549 | try: |
|---|
| 550 | mesh = Mesh([points[0]], [vertices[0]]) |
|---|
| 551 | except AssertionError: |
|---|
| 552 | pass |
|---|
| 553 | else: |
|---|
| 554 | raise 'Should have raised an exception' |
|---|
| 555 | |
|---|
| 556 | #Wrong dimension of vertices |
|---|
| 557 | try: |
|---|
| 558 | mesh = Mesh(points, vertices[0]) |
|---|
| 559 | except AssertionError: |
|---|
| 560 | pass |
|---|
| 561 | else: |
|---|
| 562 | raise 'Should have raised an exception' |
|---|
| 563 | |
|---|
| 564 | #Unsubscriptable coordinates object raises exception |
|---|
| 565 | try: |
|---|
| 566 | mesh = Mesh(points[0], [vertices[0]]) |
|---|
| 567 | except AssertionError: |
|---|
| 568 | pass |
|---|
| 569 | else: |
|---|
| 570 | raise 'Should have raised an exception' |
|---|
| 571 | |
|---|
| 572 | #Not specifying all boundary tags |
|---|
| 573 | try: |
|---|
| 574 | mesh = Mesh(points, vertices, {(3,0): 'x'}) |
|---|
| 575 | except AssertionError: |
|---|
| 576 | pass |
|---|
| 577 | else: |
|---|
| 578 | raise 'Should have raised an exception' |
|---|
| 579 | |
|---|
| 580 | #Specifying wrong non existing segment |
|---|
| 581 | try: |
|---|
| 582 | mesh = Mesh(points, vertices, {(5,0): 'x'}) |
|---|
| 583 | except AssertionError: |
|---|
| 584 | pass |
|---|
| 585 | else: |
|---|
| 586 | raise 'Should have raised an exception' |
|---|
| 587 | |
|---|
| 588 | |
|---|
| 589 | |
|---|
| 590 | |
|---|
| 591 | |
|---|
| 592 | #------------------------------------------------------------- |
|---|
| 593 | if __name__ == "__main__": |
|---|
| 594 | suite = unittest.makeSuite(TestCase,'test') |
|---|
| 595 | runner = unittest.TextTestRunner() |
|---|
| 596 | runner.run(suite) |
|---|
| 597 | |
|---|
| 598 | |
|---|
| 599 | |
|---|
| 600 | |
|---|
| 601 | |
|---|
| 602 | |
|---|
