Coverage for colorimetry/tests/test_photometry.py: 100%

1"""Define the unit tests for the :mod:`colour.colorimetry.photometry` module.""" 

2 

3from __future__ import annotations 

4 

5import numpy as np 

6 

7from colour.colorimetry import ( 

8 SDS_ILLUMINANTS, 

9 SDS_LIGHT_SOURCES, 

10 luminous_efficacy, 

11 luminous_efficiency, 

12 luminous_flux, 

13 sd_zeros, 

14) 

15from colour.constants import TOLERANCE_ABSOLUTE_TESTS 

16 

17__author__ = "Colour Developers" 

18__copyright__ = "Copyright 2013 Colour Developers" 

19__license__ = "BSD-3-Clause - https://opensource.org/licenses/BSD-3-Clause" 

20__maintainer__ = "Colour Developers" 

21__email__ = "colour-developers@colour-science.org" 

22__status__ = "Production" 

23 

24__all__ = [ 

25 "TestLuminousFlux", 

26 "TestLuminousEfficiency", 

27 "TestLuminousEfficacy", 

28] 

29 

30 

31class TestLuminousFlux: 

32 """ 

33 Define :func:`colour.colorimetry.photometry.luminous_flux` definition unit 

34 tests methods. 

35 """ 

36 

37 def test_luminous_flux(self) -> None: 

38 """Test :func:`colour.colorimetry.photometry.luminous_flux` definition.""" 

39 

40 np.testing.assert_allclose( 

41 luminous_flux(SDS_ILLUMINANTS["FL2"].copy().normalise()), 

42 28588.73612977, 

43 atol=TOLERANCE_ABSOLUTE_TESTS, 

44 ) 

45 

46 np.testing.assert_allclose( 

47 luminous_flux(SDS_LIGHT_SOURCES["Neodimium Incandescent"]), 

48 23807.65552737, 

49 atol=TOLERANCE_ABSOLUTE_TESTS, 

50 ) 

51 

52 np.testing.assert_allclose( 

53 luminous_flux(SDS_LIGHT_SOURCES["F32T8/TL841 (Triphosphor)"]), 

54 13090.06759053, 

55 atol=TOLERANCE_ABSOLUTE_TESTS, 

56 ) 

57 

58 

59class TestLuminousEfficiency: 

60 """ 

61 Define :func:`colour.colorimetry.photometry.luminous_efficiency` 

62 definition unit tests methods. 

63 """ 

64 

65 def test_luminous_efficiency(self) -> None: 

66 """ 

67 Test :func:`colour.colorimetry.photometry.luminous_efficiency` 

68 definition. 

69 """ 

70 

71 np.testing.assert_allclose( 

72 luminous_efficiency(SDS_ILLUMINANTS["FL2"].copy().normalise()), 

73 0.49317624, 

74 atol=TOLERANCE_ABSOLUTE_TESTS, 

75 ) 

76 

77 np.testing.assert_allclose( 

78 luminous_efficiency(SDS_LIGHT_SOURCES["Neodimium Incandescent"]), 

79 0.19943936, 

80 atol=TOLERANCE_ABSOLUTE_TESTS, 

81 ) 

82 

83 np.testing.assert_allclose( 

84 luminous_efficiency(SDS_LIGHT_SOURCES["F32T8/TL841 (Triphosphor)"]), 

85 0.51080919, 

86 atol=TOLERANCE_ABSOLUTE_TESTS, 

87 ) 

88 

89 

90class TestLuminousEfficacy: 

91 """ 

92 Define :func:`colour.colorimetry.photometry.luminous_efficacy` 

93 definition unit tests methods. 

94 """ 

95 

96 def test_luminous_efficacy(self) -> None: 

97 """ 

98 Test :func:`colour.colorimetry.photometry.luminous_efficacy` 

99 definition. 

100 """ 

101 

102 np.testing.assert_allclose( 

103 luminous_efficacy(SDS_ILLUMINANTS["FL2"].copy().normalise()), 

104 336.83937176, 

105 atol=TOLERANCE_ABSOLUTE_TESTS, 

106 ) 

107 

108 np.testing.assert_allclose( 

109 luminous_efficacy(SDS_LIGHT_SOURCES["Neodimium Incandescent"]), 

110 136.21708032, 

111 atol=TOLERANCE_ABSOLUTE_TESTS, 

112 ) 

113 

114 np.testing.assert_allclose( 

115 luminous_efficacy(SDS_LIGHT_SOURCES["F32T8/TL841 (Triphosphor)"]), 

116 348.88267549, 

117 atol=TOLERANCE_ABSOLUTE_TESTS, 

118 ) 

119 

120 sd = sd_zeros() 

121 sd[555] = 1 

122 np.testing.assert_allclose( 

123 luminous_efficacy(sd), 683.00000000, atol=TOLERANCE_ABSOLUTE_TESTS 

124 )