def test_dec_with_new_particle():
"""
This decay file is special (at least for now) since the mother particle
is not known to the PDG data table.
"""
p = DecFileParser(DIR / '../data/test_Xicc2XicPiPi.dec')
p.parse()
assert 'MyantiXic-' in p.list_decay_mother_names()
assert 'anti-Xi_cc-sig' not in p.list_decay_mother_names()
def test_duplicate_decay_definitions():
p = DecFileParser(DIR / '../data/duplicate-decays.dec')
p.parse()
assert p.number_of_decays == 2
assert p.list_decay_mother_names() == ['Sigma(1775)0', 'anti-Sigma(1775)0']
def test_simple_dec():
p = DecFileParser(DIR / '../data/test_example_Dst.dec')
p.parse()
assert p.list_decay_mother_names() == ['D*+', 'D*-', 'D0', 'D+', 'pi0']
assert p.list_decay_modes('D0') == [['K-', 'pi+']]
def test_simple_dec():
p = DecFileParser(DIR / "../data/test_example_Dst.dec")
p.parse()
assert p.list_decay_mother_names() == ["D*+", "D*-", "D0", "D+", "pi0"]
assert p.list_decay_modes("D0") == [["K-", "pi+"]]
def test_duplicate_decay_definitions():
p = DecFileParser(DIR / "../data/duplicate-decays.dec")
with pytest.warns(UserWarning) as w:
p.parse()
assert len(w) == 2
assert p.number_of_decays == 2
assert p.list_decay_mother_names() == ["Sigma(1775)0", "anti-Sigma(1775)0"]
def test_with_missing_info():
"""
This decay file misses a ChargeConj statement relating the particle aliases
Xi_cc+sig and anti-Xi_cc-sig. As a consequence, only 3 decays are parsed
and the following warning is issued:
``
Corresponding 'Decay' statement for 'CDecay' statement(s) of following particle(s) not found:
anti-Xi_cc-sig.
Skipping creation of these charge-conjugate decay trees.
warnings.warn(msg)
``
"""
p = DecFileParser(DIR / '../data/test_Xicc2XicPiPi.dec')
p.parse()
# Decay of anti-Xi_cc-sig missing
assert p.number_of_decays == 3
assert 'anti-Xi_cc-sig' not in p.list_decay_mother_names()
# CDecay statements
assert 'anti-Xi_cc-sig' in p.list_charge_conjugate_decays()
def test_non_parsed_decfile():
with pytest.raises(DecFileNotParsed):
p = DecFileParser(DIR / '../data/test_example_Dst.dec')
p.list_decay_mother_names()
