| 1 | #!/usr/bin/env python |
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| 2 | |
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| 3 | import unittest |
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| 4 | from math import sqrt |
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| 5 | |
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| 6 | from domain import * |
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| 7 | from Numeric import allclose, array |
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| 8 | |
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| 9 | |
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| 10 | class TestCase(unittest.TestCase): |
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| 11 | def setUp(self): |
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| 12 | pass |
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| 13 | |
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| 14 | |
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| 15 | def tearDown(self): |
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| 16 | pass |
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| 17 | |
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| 18 | |
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| 19 | def test_construct(self): |
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| 20 | |
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| 21 | a = 0.0 |
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| 22 | b = 2.0 |
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| 23 | c = 2.5 |
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| 24 | d = 3.0 |
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| 25 | e = 10.0 |
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| 26 | f = 12.0 |
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| 27 | |
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| 28 | points = [a, b, c, d, e, f] |
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| 29 | |
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| 30 | domain = Domain(points) |
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| 31 | assert allclose(domain.get_centroids(),[(a+b)*0.5, (b+c)*0.5, (c+d)*0.5, (d+e)*0.5, (e+f)*0.5]) |
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| 32 | |
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| 33 | |
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| 34 | def test_area(self): |
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| 35 | |
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| 36 | a = 0.0 |
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| 37 | b = 2.0 |
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| 38 | c = 2.5 |
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| 39 | d = 3.0 |
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| 40 | e = 10.0 |
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| 41 | f = 12.0 |
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| 42 | |
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| 43 | points = [a, b, c, d, e, f] |
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| 44 | |
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| 45 | domain = Domain(points) |
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| 46 | assert allclose(domain.get_area(0),b-a) |
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| 47 | assert allclose(domain.get_area(1),c-b) |
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| 48 | assert allclose(domain.get_area(2),d-c) |
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| 49 | assert allclose(domain.get_area(3),e-d) |
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| 50 | assert allclose(domain.get_area(4),f-e) |
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| 51 | |
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| 52 | def test_in_order(self): |
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| 53 | a = 0.0 |
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| 54 | b = 2.0 |
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| 55 | c = 2.5 |
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| 56 | d = 3.0 |
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| 57 | e = 10.0 |
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| 58 | f = 12.0 |
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| 59 | |
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| 60 | points = [a, c, b, d, e, f] |
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| 61 | |
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| 62 | try: |
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| 63 | domain = Domain(points) |
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| 64 | except: |
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| 65 | pass |
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| 66 | else: |
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| 67 | msg = 'Should have raised exception' |
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| 68 | raise msg |
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| 69 | |
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| 70 | def test_point(self): |
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| 71 | a = 0.0 |
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| 72 | b = 2.0 |
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| 73 | c = 2.5 |
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| 74 | d = 3.0 |
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| 75 | |
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| 76 | points = [a, b, c, d] |
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| 77 | |
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| 78 | domain = Domain(points) |
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| 79 | |
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| 80 | assert allclose(domain.get_coordinate(0), 0.5*(a+b)) |
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| 81 | assert allclose(domain.get_coordinate(1), 0.5*(b+c)) |
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| 82 | assert allclose(domain.get_coordinate(2), 0.5*(c+d)) |
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| 83 | |
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| 84 | try: |
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| 85 | allclose(domain.get_coordinate(3), 0.5*(a+b)) |
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| 86 | except: |
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| 87 | pass |
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| 88 | else: |
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| 89 | msg = 'Should have raised exception' |
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| 90 | raise msg |
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| 91 | |
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| 92 | assert allclose(domain.get_coordinate(0,0), a) |
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| 93 | assert allclose(domain.get_coordinate(1,0), b) |
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| 94 | assert allclose(domain.get_coordinate(2,0), c) |
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| 95 | |
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| 96 | assert allclose(domain.get_coordinate(0,1), b) |
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| 97 | assert allclose(domain.get_coordinate(1,1), c) |
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| 98 | assert allclose(domain.get_coordinate(2,1), d) |
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| 99 | |
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| 100 | |
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| 101 | |
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| 102 | |
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| 103 | #------------------------------------------------------------- |
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| 104 | if __name__ == "__main__": |
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| 105 | suite = unittest.makeSuite(TestCase,'test') |
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| 106 | runner = unittest.TextTestRunner() |
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| 107 | runner.run(suite) |
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