def test_slopbed_pybedtool():
"""Test function slopbed with pybedtool interval feature
"""
f = iter(pybedtools.BedTool('chr1 1 100 asdf 0 + a b c d', from_string=True)).next()
xf= pycoverage.slopbed(f, [0, 0])
assert f == xf
xf= pycoverage.slopbed(f, [0, 10])
assert xf == iter(pybedtools.BedTool('chr1 1 110 asdf 0 + a b c d', from_string=True)).next()
xf= pycoverage.slopbed(f, [1, 0])
assert xf == iter(pybedtools.BedTool('chr1 0 100 asdf 0 + a b c d', from_string=True)).next()
xf= pycoverage.slopbed(f, [10, 0]) ## Left coord must remain 0
assert xf == iter(pybedtools.BedTool('chr1 0 100 asdf 0 + a b c d', from_string=True)).next()
xf= pycoverage.slopbed(f, [1, 1]) ## Left coord must remain 0
assert xf == iter(pybedtools.BedTool('chr1 0 101 asdf 0 + a b c d', from_string=True)).next()
xf= pycoverage.slopbed(f, [0.1, 0.13]) ## Left coord must remain 0
assert xf == iter(pybedtools.BedTool('chr1 0 113 asdf 0 + a b c d', from_string=True)).next()
xf= pycoverage.slopbed(f, [0.1, 1.13]) ## Left coord must remain 0
assert xf == iter(pybedtools.BedTool('chr1 0 212 asdf 0 + a b c d', from_string=True)).next()
try:
xf= pycoverage.slopbed(f, [-1, 0])
except pycoverage.SlopError:
assert True
try:
xf= pycoverage.slopbed(f, [0, '0'])
except pycoverage.SlopError:
assert True
def test_slopbed_list():
"""Test function slopbed with list interval feature
"""
f= ['chr1', 1, 100, 'actb']
xf= pycoverage.slopbed(f, [0, 0])
assert f == xf
xf= pycoverage.slopbed(f, [0.1, 1.13]) ## Left coord must remain 0
assert xf == ['chr1', 0, 212, 'actb']
try:
xf= pycoverage.slopbed(['chr1', '0', 212, 'actb'], [0.1, 1.13]) ## Left coord must remain 0
except TypeError:
assert True