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""" Tests on utils module |
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""" |
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import numpy as np |
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import pytest |
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from astropy import units as u |
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from astropy.coordinates import Angle |
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from ne2001 import utils |
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def test_parse_lbd(): |
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""" Parse lbd """ |
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# Simple floats |
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in_l,in_b,in_d = 1., 1., 50. |
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l,b,d = utils.parse_lbd(in_l, in_b, in_d) |
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# Test |
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for xx in [l,b,d]: |
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assert isinstance(xx,float) |
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# Angles |
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in_l,in_b,in_d = Angle(1.*u.deg), Angle(1.*u.deg), 50. |
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l,b,d = utils.parse_lbd(in_l, in_b, in_d) |
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assert np.isclose(in_l.value, l) |
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# Distance |
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in_l,in_b,in_d = Angle(1.*u.deg), Angle(1.*u.deg), 50.*u.kpc |
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l,b,d = utils.parse_lbd(in_l, in_b, in_d) |
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assert np.isclose(in_d.value, d) |
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# Again |
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in_l,in_b,in_d = Angle(1.*u.deg), Angle(1.*u.deg), 500.*u.pc |
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l,b,d = utils.parse_lbd(in_l, in_b, in_d) |
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assert np.isclose(d, 0.5) |
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# Arrays |
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in_l,in_b,in_d = [1]*3*u.deg, [1]*3*u.deg, [500]*3*u.pc |
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l,b,d = utils.parse_lbd(in_l, in_b, in_d) |
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assert l.size == b.size == d.size == len(in_l) |
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# Bad input |
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in_l,in_b,in_d = Angle(1.*u.deg), Angle(1.*u.deg), 500.*u.s |
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with pytest.raises(IOError): |
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l,b,d = utils.parse_lbd(in_l, in_b, in_d) |
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in_l,in_b,in_d = Angle(1.*u.deg), Angle(1.*u.deg), 'abc' |
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with pytest.raises(IOError): |
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l,b,d = utils.parse_lbd(in_l, in_b, in_d) |
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def test_parse_DM(): |
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""" Parse lbd """ |
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# Simple floats |
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in_DM = 20. |
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DM = utils.parse_DM(in_DM) |
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assert isinstance(DM, float) |
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# Quantity |
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in_DM = 20. * u.pc / u.cm**3 |
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DM = utils.parse_DM(in_DM) |
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assert np.isclose(DM, in_DM.value) |
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# Array |
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in_DM = [1]*10*u.pc / u.cm**3 |
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DM = utils.parse_DM(in_DM) |
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assert DM.size == len(DM) |
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# Bad inputs |
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with pytest.raises(IOError): |
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DM = utils.parse_DM('abc') |
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with pytest.raises(IOError): |
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DM = utils.parse_DM(1*u.s) |
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benbaror /
ne2001
