| 1 | |
|---|
| 2 | import unittest |
|---|
| 3 | from point import Point |
|---|
| 4 | from math import fabs |
|---|
| 5 | |
|---|
| 6 | #------------------------------------------------------------- |
|---|
| 7 | |
|---|
| 8 | class TestCase(unittest.TestCase): |
|---|
| 9 | |
|---|
| 10 | def setUp(self): |
|---|
| 11 | |
|---|
| 12 | self.eps = 0.001 # Accept 0.1 % relative error |
|---|
| 13 | |
|---|
| 14 | self.RSISE = Point(-35.27456,149.12065) |
|---|
| 15 | self.Home = Point(-35.25629,149.12494) # 28 Scrivener Street, ACT |
|---|
| 16 | self.Syd = Point(-33.93479,151.16794) # Sydney Airport |
|---|
| 17 | self.Nadi = Point(-17.75330,177.45148) # Nadi Airport |
|---|
| 18 | self.Kobenhavn = Point(55.70248, 12.58364) # Kobenhavn, Denmark |
|---|
| 19 | |
|---|
| 20 | |
|---|
| 21 | def testBearingNorth(self): |
|---|
| 22 | |
|---|
| 23 | eps = 1.0e-12 |
|---|
| 24 | |
|---|
| 25 | p1 = Point(0.0,0.0) |
|---|
| 26 | p2 = Point(1.0,0.0) |
|---|
| 27 | p3 = Point(0.0,1.0) |
|---|
| 28 | |
|---|
| 29 | # Assert that bearing is correct within double precision |
|---|
| 30 | self.failUnless((fabs(p1.BearingTo(p2)-0) < eps),\ |
|---|
| 31 | 'Computed northward bearing: %d, Should have been: %d'\ |
|---|
| 32 | %(p1.BearingTo(p2), 0)) |
|---|
| 33 | |
|---|
| 34 | |
|---|
| 35 | def testBearingSouth(self): |
|---|
| 36 | |
|---|
| 37 | eps = 1.0e-12 |
|---|
| 38 | |
|---|
| 39 | p1 = Point(0.0,0.0) |
|---|
| 40 | p2 = Point(1.0,0.0) |
|---|
| 41 | p3 = Point(0.0,1.0) |
|---|
| 42 | |
|---|
| 43 | # Assert that bearing is correct within double precision |
|---|
| 44 | self.failUnless((fabs(p2.BearingTo(p1)-180) < eps),\ |
|---|
| 45 | 'Computed southhward bearing: %d, Should have been: %d'\ |
|---|
| 46 | %(p2.BearingTo(p1), 180)) |
|---|
| 47 | |
|---|
| 48 | |
|---|
| 49 | def testBearingWest(self): |
|---|
| 50 | |
|---|
| 51 | eps = 1.0e-12 |
|---|
| 52 | |
|---|
| 53 | p1 = Point(0.0,0.0) |
|---|
| 54 | p2 = Point(1.0,0.0) |
|---|
| 55 | p3 = Point(0.0,1.0) |
|---|
| 56 | |
|---|
| 57 | # Assert that bearing is correct within double precision |
|---|
| 58 | self.failUnless((fabs(p3.BearingTo(p1)-270) < eps),\ |
|---|
| 59 | 'Computed westward bearing: %d, Should have been: %d'\ |
|---|
| 60 | %(p3.BearingTo(p1), 270)) |
|---|
| 61 | |
|---|
| 62 | def testBearingEast(self): |
|---|
| 63 | |
|---|
| 64 | eps = 1.0e-12 |
|---|
| 65 | |
|---|
| 66 | p1 = Point(0.0,0.0) |
|---|
| 67 | p2 = Point(1.0,0.0) |
|---|
| 68 | p3 = Point(0.0,1.0) |
|---|
| 69 | |
|---|
| 70 | # Assert that bearing is correct within double precision |
|---|
| 71 | self.failUnless((fabs(p1.BearingTo(p3)-90) < eps),\ |
|---|
| 72 | 'Computed eastward bearing: %d, Should have been: %d'\ |
|---|
| 73 | %(p1.BearingTo(p3), 90)) |
|---|
| 74 | |
|---|
| 75 | |
|---|
| 76 | |
|---|
| 77 | def testRSISE2Home(self): |
|---|
| 78 | D = 2068 # True Distance to Home |
|---|
| 79 | B = 11 # True Bearing to Home |
|---|
| 80 | self.failUnless((fabs(self.RSISE.DistanceTo(self.Home) - D)/D < self.eps),\ |
|---|
| 81 | 'Dist to Home failed') |
|---|
| 82 | self.failUnless((self.RSISE.BearingTo(self.Home) - B == 0),\ |
|---|
| 83 | 'Computed bearing to Home: %d, Should have been: %d'\ |
|---|
| 84 | %(self.RSISE.BearingTo(self.Home), B)) |
|---|
| 85 | |
|---|
| 86 | |
|---|
| 87 | |
|---|
| 88 | def testRSISE2Sydney(self): |
|---|
| 89 | D = 239.5 * 1000 # True Distance to Sydney Airport |
|---|
| 90 | B = 52 # True Bearing to Sydney Airport |
|---|
| 91 | self.failUnless((fabs(self.RSISE.DistanceTo(self.Syd) - D)/D < self.eps),\ |
|---|
| 92 | 'Dist to Sydney failed') |
|---|
| 93 | self.failUnless((self.RSISE.BearingTo(self.Syd) - B == 0),\ |
|---|
| 94 | 'Computed bearing to Sydney: %d, Should have been: %d'\ |
|---|
| 95 | %(self.RSISE.BearingTo(self.Syd), B)) |
|---|
| 96 | |
|---|
| 97 | |
|---|
| 98 | def testRSISE2Nadi(self): |
|---|
| 99 | D = 3406.1 * 1000 # True Distance to Nadi Airport |
|---|
| 100 | B = 63 # True Bearing to Nadi Airport |
|---|
| 101 | self.failUnless((fabs(self.RSISE.DistanceTo(self.Nadi) - D)/D < self.eps),\ |
|---|
| 102 | 'Dist to Nadi failed') |
|---|
| 103 | |
|---|
| 104 | self.failUnless((self.RSISE.BearingTo(self.Nadi) - B == 0),\ |
|---|
| 105 | 'Computed bearing to Nadi: %d, Should have been: %d'\ |
|---|
| 106 | %(self.RSISE.BearingTo(self.Nadi), B)) |
|---|
| 107 | |
|---|
| 108 | |
|---|
| 109 | def testRSISE2Kobenhavn(self): |
|---|
| 110 | D = 16025 * 1000 # True Distance to Kobenhavn |
|---|
| 111 | B = 319 # True Bearing to Kobenhavn |
|---|
| 112 | self.failUnless((fabs(self.RSISE.DistanceTo(self.Kobenhavn) - D)/D < self.eps),\ |
|---|
| 113 | 'Computed Distance to Kobenhavn: %d, Should have been: %d' \ |
|---|
| 114 | %(self.RSISE.DistanceTo(self.Kobenhavn), D)) |
|---|
| 115 | self.failUnless((self.RSISE.BearingTo(self.Kobenhavn) - B == 0),\ |
|---|
| 116 | 'Computed Bearing to Kobenhavn: %d, Should have been: %d' \ |
|---|
| 117 | %(self.RSISE.BearingTo(self.Kobenhavn), B)) |
|---|
| 118 | |
|---|
| 119 | |
|---|
| 120 | |
|---|
| 121 | #------------------------------------------------------------- |
|---|
| 122 | if __name__ == "__main__": |
|---|
| 123 | |
|---|
| 124 | mysuite = unittest.makeSuite(TestCase,'test') |
|---|
| 125 | runner = unittest.TextTestRunner() |
|---|
| 126 | runner.run(mysuite) |
|---|
| 127 | |
|---|
| 128 | |
|---|
| 129 | |
|---|
| 130 | |
|---|
| 131 | |
|---|
| 132 | |
|---|
| 133 | |
|---|
| 134 | |
|---|
