| [2253] | 1 | |
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| 2 | import unittest |
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| 3 | from point import Point |
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| 4 | from math import fabs |
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| 5 | |
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| 6 | #------------------------------------------------------------- |
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| 7 | |
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| 8 | class TestCase(unittest.TestCase): |
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| 9 | |
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| 10 | def setUp(self): |
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| 11 | |
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| 12 | self.eps = 0.001 # Accept 0.1 % relative error |
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| 13 | |
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| 14 | self.RSISE = Point(-35.27456,149.12065) |
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| 15 | self.Home = Point(-35.25629,149.12494) # 28 Scrivener Street, ACT |
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| 16 | self.Syd = Point(-33.93479,151.16794) # Sydney Airport |
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| 17 | self.Nadi = Point(-17.75330,177.45148) # Nadi Airport |
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| 18 | self.Kobenhavn = Point(55.70248, 12.58364) # Kobenhavn, Denmark |
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| 19 | |
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| 20 | |
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| 21 | def testBearingNorth(self): |
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| 22 | |
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| 23 | eps = 1.0e-12 |
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| 24 | |
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| 25 | p1 = Point(0.0,0.0) |
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| 26 | p2 = Point(1.0,0.0) |
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| 27 | p3 = Point(0.0,1.0) |
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| 28 | |
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| 29 | # Assert that bearing is correct within double precision |
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| 30 | self.failUnless((fabs(p1.BearingTo(p2)-0) < eps),\ |
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| 31 | 'Computed northward bearing: %d, Should have been: %d'\ |
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| 32 | %(p1.BearingTo(p2), 0)) |
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| 33 | |
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| 34 | |
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| 35 | def testBearingSouth(self): |
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| 36 | |
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| 37 | eps = 1.0e-12 |
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| 38 | |
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| 39 | p1 = Point(0.0,0.0) |
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| 40 | p2 = Point(1.0,0.0) |
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| 41 | p3 = Point(0.0,1.0) |
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| 42 | |
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| 43 | # Assert that bearing is correct within double precision |
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| 44 | self.failUnless((fabs(p2.BearingTo(p1)-180) < eps),\ |
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| 45 | 'Computed southhward bearing: %d, Should have been: %d'\ |
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| 46 | %(p2.BearingTo(p1), 180)) |
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| 47 | |
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| 48 | |
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| 49 | def testBearingWest(self): |
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| 50 | |
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| 51 | eps = 1.0e-12 |
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| 52 | |
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| 53 | p1 = Point(0.0,0.0) |
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| 54 | p2 = Point(1.0,0.0) |
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| 55 | p3 = Point(0.0,1.0) |
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| 56 | |
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| 57 | # Assert that bearing is correct within double precision |
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| 58 | self.failUnless((fabs(p3.BearingTo(p1)-270) < eps),\ |
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| 59 | 'Computed westward bearing: %d, Should have been: %d'\ |
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| 60 | %(p3.BearingTo(p1), 270)) |
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| 61 | |
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| 62 | def testBearingEast(self): |
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| 63 | |
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| 64 | eps = 1.0e-12 |
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| 65 | |
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| 66 | p1 = Point(0.0,0.0) |
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| 67 | p2 = Point(1.0,0.0) |
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| 68 | p3 = Point(0.0,1.0) |
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| 69 | |
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| 70 | # Assert that bearing is correct within double precision |
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| 71 | self.failUnless((fabs(p1.BearingTo(p3)-90) < eps),\ |
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| 72 | 'Computed eastward bearing: %d, Should have been: %d'\ |
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| 73 | %(p1.BearingTo(p3), 90)) |
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| 74 | |
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| 75 | |
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| 76 | |
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| 77 | def testRSISE2Home(self): |
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| 78 | D = 2068 # True Distance to Home |
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| 79 | B = 11 # True Bearing to Home |
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| 80 | self.failUnless((fabs(self.RSISE.DistanceTo(self.Home) - D)/D < self.eps),\ |
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| 81 | 'Dist to Home failed') |
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| 82 | self.failUnless((self.RSISE.BearingTo(self.Home) - B == 0),\ |
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| 83 | 'Computed bearing to Home: %d, Should have been: %d'\ |
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| 84 | %(self.RSISE.BearingTo(self.Home), B)) |
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| 85 | |
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| 86 | |
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| 87 | |
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| 88 | def testRSISE2Sydney(self): |
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| 89 | D = 239.5 * 1000 # True Distance to Sydney Airport |
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| 90 | B = 52 # True Bearing to Sydney Airport |
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| 91 | self.failUnless((fabs(self.RSISE.DistanceTo(self.Syd) - D)/D < self.eps),\ |
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| 92 | 'Dist to Sydney failed') |
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| 93 | self.failUnless((self.RSISE.BearingTo(self.Syd) - B == 0),\ |
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| 94 | 'Computed bearing to Sydney: %d, Should have been: %d'\ |
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| 95 | %(self.RSISE.BearingTo(self.Syd), B)) |
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| 96 | |
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| 97 | |
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| 98 | def testRSISE2Nadi(self): |
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| 99 | D = 3406.1 * 1000 # True Distance to Nadi Airport |
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| 100 | B = 63 # True Bearing to Nadi Airport |
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| 101 | self.failUnless((fabs(self.RSISE.DistanceTo(self.Nadi) - D)/D < self.eps),\ |
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| 102 | 'Dist to Nadi failed') |
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| 103 | |
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| 104 | self.failUnless((self.RSISE.BearingTo(self.Nadi) - B == 0),\ |
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| 105 | 'Computed bearing to Nadi: %d, Should have been: %d'\ |
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| 106 | %(self.RSISE.BearingTo(self.Nadi), B)) |
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| 107 | |
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| 108 | |
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| 109 | def testRSISE2Kobenhavn(self): |
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| 110 | D = 16025 * 1000 # True Distance to Kobenhavn |
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| 111 | B = 319 # True Bearing to Kobenhavn |
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| 112 | self.failUnless((fabs(self.RSISE.DistanceTo(self.Kobenhavn) - D)/D < self.eps),\ |
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| 113 | 'Computed Distance to Kobenhavn: %d, Should have been: %d' \ |
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| 114 | %(self.RSISE.DistanceTo(self.Kobenhavn), D)) |
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| 115 | self.failUnless((self.RSISE.BearingTo(self.Kobenhavn) - B == 0),\ |
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| 116 | 'Computed Bearing to Kobenhavn: %d, Should have been: %d' \ |
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| 117 | %(self.RSISE.BearingTo(self.Kobenhavn), B)) |
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| 118 | |
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| 119 | |
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| 120 | |
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| 121 | #------------------------------------------------------------- |
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| 122 | if __name__ == "__main__": |
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| 123 | |
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| 124 | mysuite = unittest.makeSuite(TestCase,'test') |
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| 125 | runner = unittest.TextTestRunner() |
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| 126 | runner.run(mysuite) |
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