Hide keyboard shortcuts

Hot-keys on this page

r m x p   toggle line displays

j k   next/prev highlighted chunk

0   (zero) top of page

1   (one) first highlighted chunk

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

import math 

import unittest 

 

from numpy.testing import assert_allclose 

 

import astshim as ast 

from astshim.test import MappingTestCase 

 

 

class TestSkyFrame(MappingTestCase): 

 

def test_FrameBasics(self): 

frame = ast.SkyFrame() 

self.assertEqual(frame.className, "SkyFrame") 

self.assertEqual(frame.nIn, 2) 

self.assertEqual(frame.nAxes, 2) 

self.assertEqual(frame.maxAxes, 2) 

self.assertEqual(frame.minAxes, 2) 

 

# default values for Frame properties (methods below test 

# setters and getters of SkyFrame properties) 

self.assertEqual(frame.alignSystem, "ICRS") 

self.assertEqual(frame.dut1, 0.0) 

self.assertEqual(frame.epoch, 2000.0) 

self.assertEqual(frame.obsAlt, 0.0) 

self.assertEqual(frame.obsLat, "N0:00:00.00") 

self.assertEqual(frame.obsLon, "E0:00:00.00") 

self.assertTrue(frame.permute) 

self.assertFalse(frame.preserveAxes) 

self.assertEqual(frame.system, "ICRS") 

self.assertEqual(frame.title, "ICRS coordinates") 

 

self.assertGreater(abs(frame.getBottom(1)), 1e99) 

self.assertGreater(abs(frame.getTop(1)), 1e99) 

self.assertGreater(frame.getTop(1), frame.getBottom(1)) 

self.assertFalse(frame.getDirection(1)) 

self.assertEqual(frame.getInternalUnit(1), "rad") 

self.assertEqual(frame.getNormUnit(1), "rad") 

self.assertEqual(frame.getSymbol(1), "RA") 

self.assertEqual(frame.getUnit(1), "hh:mm:ss.s") 

 

self.assertAlmostEqual(frame.getBottom(2), -math.pi / 2) 

self.assertAlmostEqual(frame.getTop(2), math.pi / 2) 

self.assertTrue(frame.getDirection(2)) 

self.assertEqual(frame.getInternalUnit(2), "rad") 

self.assertEqual(frame.getNormUnit(2), "rad") 

self.assertEqual(frame.getSymbol(2), "Dec") 

self.assertEqual(frame.getUnit(2), "ddd:mm:ss") 

 

self.checkCopy(frame) 

self.checkPersistence(frame) 

 

def test_SkyFrameLonLat(self): 

 

frame = ast.SkyFrame() 

 

self.assertEqual(frame.lonAxis, 1) 

self.assertEqual(frame.latAxis, 2) 

self.assertTrue(frame.getIsLonAxis(1)) 

self.assertTrue(frame.getIsLatAxis(2)) 

self.assertFalse(frame.getIsLonAxis(2)) 

self.assertFalse(frame.getIsLatAxis(1)) 

 

# permute axes 

frame.permAxes([2, 1]) 

self.assertEqual(frame.lonAxis, 2) 

self.assertEqual(frame.latAxis, 1) 

self.assertTrue(frame.getIsLonAxis(2)) 

self.assertTrue(frame.getIsLatAxis(1)) 

self.assertFalse(frame.getIsLonAxis(1)) 

self.assertFalse(frame.getIsLatAxis(2)) 

 

# permute again to restore original state 

frame.permAxes([2, 1]) 

self.assertEqual(frame.lonAxis, 1) 

self.assertEqual(frame.latAxis, 2) 

self.assertTrue(frame.getIsLonAxis(1)) 

self.assertTrue(frame.getIsLatAxis(2)) 

self.assertFalse(frame.getIsLonAxis(2)) 

self.assertFalse(frame.getIsLatAxis(1)) 

 

def test_SkyFrameAlignOffset(self): 

frame = ast.SkyFrame() 

 

self.assertFalse(frame.alignOffset) 

frame.alignOffset = True 

self.assertTrue(frame.alignOffset) 

 

def test_SkyFrameAsTime(self): 

frame = ast.SkyFrame() 

 

for axis, defAsTime in ((1, True), (2, False)): 

self.assertEqual(frame.getAsTime(axis), defAsTime) 

frame.setAsTime(axis, not defAsTime) 

self.assertEqual(frame.getAsTime(axis), not defAsTime) 

 

def test_SkyFrameEquinox(self): 

frame = ast.SkyFrame() 

 

self.assertAlmostEqual(frame.equinox, 2000) 

newEquinox = 2345.6 

frame.equinox = newEquinox 

self.assertAlmostEqual(frame.equinox, newEquinox) 

 

def test_SkyFrameNegLon(self): 

frame = ast.SkyFrame() 

 

self.assertFalse(frame.negLon) 

frame.negLon = True 

self.assertTrue(frame.negLon) 

 

def test_SkyFrameProjection(self): 

frame = ast.SkyFrame() 

 

self.assertEqual(frame.projection, "") 

newProjection = "Arbitrary description" 

frame.projection = newProjection 

self.assertEqual(frame.projection, newProjection) 

 

def test_SkyFrameSkyRef(self): 

frame = ast.SkyFrame() 

 

assert_allclose(frame.getSkyRef(), [0, 0]) 

newSkyRef = [-4.5, 1.23] 

frame.setSkyRef(newSkyRef) 

assert_allclose(frame.getSkyRef(), newSkyRef) 

 

def test_SkyFrameSkyRefIs(self): 

frame = ast.SkyFrame() 

 

self.assertEqual(frame.skyRefIs, "Ignored") 

for newSkyRefIs in ("Origin", "Pole", "Ignored"): 

frame.skyRefIs = newSkyRefIs 

self.assertEqual(frame.skyRefIs, newSkyRefIs) 

 

def test_SkyFrameSkyRefP(self): 

frame = ast.SkyFrame() 

 

defSkyRefP = [0.0, math.pi/2] 

assert_allclose(frame.getSkyRefP(), defSkyRefP) 

newSkyRefP = [0.1234, 0.5643] 

frame.setSkyRefP(newSkyRefP) 

assert_allclose(frame.getSkyRefP(), newSkyRefP) 

 

def test_SkyFrameSkyTol(self): 

frame = ast.SkyFrame() 

 

# the default is arbitrary so do not to assume a specific value 

defSkyTol = frame.skyTol 

newSkyTol = defSkyTol*1.2345 

frame.skyTol = newSkyTol 

self.assertAlmostEqual(frame.skyTol, newSkyTol) 

 

def test_SkyFrameSkyOffsetMap(self): 

frame = ast.SkyFrame() 

 

mapping = frame.skyOffsetMap() 

self.assertEqual(mapping.className, "UnitMap") 

 

 

161 ↛ 162line 161 didn't jump to line 162, because the condition on line 161 was never trueif __name__ == "__main__": 

unittest.main()