def test_graphs_with_EvtGen_specific_names():
p = DecFileParser(DIR / "../../src/decaylanguage/data/DECAY_LHCB.DEC")
p.parse()
# Not setting many of the particles as stable would result in a gargantuesque chain,
# which would also take a fair amount of time to build!
list_stable_particles = [
"Xi_c0",
"Xi-",
"D0",
"Omega_c0",
"Sigma_c0",
"tau-",
"D_s-",
"J/psi",
"pi0",
"Lambda0",
"psi(2S)",
]
chain = p.build_decay_chains("Xi_b-",
stable_particles=list_stable_particles)
dcv = DecayChainViewer(chain)
assert "(cs)<SUB>0</SUB>" in dcv.to_string() # not 'cs_0' ;-)
assert "Ξ<SUB>b</SUB><SUP>-</SUP>" in dcv.to_string()
assert "Ξ<SUB>c</SUB><SUP>0</SUP>" in dcv.to_string()
def test_single_decay():
p = DecFileParser(DIR / '../data/test_example_Dst.dec')
p.parse()
chain = p.build_decay_chains('D*+', stable_particles=['D+', 'D0', 'pi0'])
dcv = DecayChainViewer(chain)
graph_output_as_dot = dcv.to_string()
assert 'mother -> dec0 [label="0.677"]' in graph_output_as_dot
assert 'mother -> dec1 [label="0.307"]' in graph_output_as_dot
assert 'mother -> dec2 [label="0.016"]' in graph_output_as_dot
def test_single_decay():
p = DecFileParser(DIR / "../data/test_example_Dst.dec")
p.parse()
chain = p.build_decay_chains("D*+", stable_particles=["D+", "D0", "pi0"])
dcv = DecayChainViewer(chain)
graph_output_as_dot = dcv.to_string()
assert "mother -> dec0 [label=0.677]" in graph_output_as_dot
assert "mother -> dec1 [label=0.307]" in graph_output_as_dot
assert "mother -> dec2 [label=0.016]" in graph_output_as_dot
def test_simple_decay_chain():
p = DecFileParser(DIR / '../data/test_example_Dst.dec')
p.parse()
chain = p.build_decay_chains('D*+')
dcv = DecayChainViewer(chain)
graph_output_as_dot = dcv.to_string()
assert 'mother -> dec3 [label="0.677"]' in graph_output_as_dot
assert 'dec3:p0 -> dec4 [label="1.0"]' in graph_output_as_dot
assert 'mother -> dec5 [label="0.307"]' in graph_output_as_dot
assert 'dec5:p0 -> dec6 [label="1.0"]' in graph_output_as_dot
assert 'dec6:p3 -> dec7 [label="0.988228297"]' in graph_output_as_dot
def test_simple_decay_chain():
p = DecFileParser(DIR / "../data/test_example_Dst.dec")
p.parse()
chain = p.build_decay_chains("D*+")
dcv = DecayChainViewer(chain)
graph_output_as_dot = dcv.to_string()
assert "mother -> dec3 [label=0.677]" in graph_output_as_dot
assert "dec3:p0 -> dec4 [label=1.0]" in graph_output_as_dot
assert "mother -> dec5 [label=0.307]" in graph_output_as_dot
assert "dec5:p0 -> dec6 [label=1.0]" in graph_output_as_dot
assert "dec6:p3 -> dec7 [label=0.988228297]" in graph_output_as_dot
def test_duplicate_arrows(decfilepath, signal_mother):
"""
This test effectively checks whether any box node (node with subdecays)
gets more than one arrow to it, which would show a bug
in the creation of the DOT file recursively parsing the built decay chain.
"""
p = DecFileParser(decfilepath, DIR / '../../decaylanguage/data/DECAY_LHCB.DEC')
p.parse()
chain = p.build_decay_chains(signal_mother)
dcv = DecayChainViewer(chain)
graph_output_as_dot = dcv.to_string()
l = [i.split(' ')[0] for i in graph_output_as_dot.split('-> dec')[1:]] # list of node identifiers
assert len(set(l)) == len(l)
def test_graphs_with_EvtGen_specific_names():
p = DecFileParser(DIR / '../../decaylanguage/data/DECAY_LHCB.DEC')
p.parse()
# Not setting many of the particles as stable would result in a gargantuesque chain,
# which would also take a fair amount of time to build!
list_stable_particles = [
'Xi_c0', 'Xi-', 'D0', 'Omega_c0', 'Sigma_c0', 'tau-', 'D_s-', 'J/psi',
'pi0', 'Lambda0', 'psi(2S)'
]
chain = p.build_decay_chains('Xi_b-',
stable_particles=list_stable_particles)
dcv = DecayChainViewer(chain)
assert '(cs)<SUB>0</SUB>' in dcv.to_string() # not 'cs_0' ;-)
assert 'Ξ<SUB>c</SUB><SUP>0</SUP>' in dcv.to_string()
def test_init_non_defaults():
p = DecFileParser(DIR / '../data/test_example_Dst.dec')
p.parse()
chain = p.build_decay_chains('D*+')
dcv = DecayChainViewer(chain, graph_name='TEST', rankdir='TB')
assert dcv.graph.get_name() == 'TEST'
assert dcv.graph.get_rankdir() == 'TB'
def test_init_non_defaults_basic():
p = DecFileParser(DIR / "../data/test_example_Dst.dec")
p.parse()
chain = p.build_decay_chains("D*+")
dcv = DecayChainViewer(chain, name="TEST", format="pdf")
assert dcv.graph.name == "TEST"
assert dcv.graph.format == "pdf"
def test_init_non_defaults_attributes():
p = DecFileParser(DIR / "../data/test_example_Dst.dec")
p.parse()
chain = p.build_decay_chains("D*+")
node_attr = dict(shape="egg")
edge_attr = dict(fontsize="9")
dcv = DecayChainViewer(chain, node_attr=node_attr, edge_attr=edge_attr)
assert dcv.graph.node_attr == dict(fontname="Helvetica",
fontsize="11",
shape="egg")
assert dcv.graph.edge_attr == dict(fontcolor="#4c4c4c", fontsize="9")
def test_duplicate_arrows(decfilepath, signal_mother, dup):
"""
This test effectively checks whether any box node (node with subdecays)
gets more than one arrow to it, which would show a bug
in the creation of the DOT file recursively parsing the built decay chain.
"""
p = DecFileParser(decfilepath,
DIR / "../../src/decaylanguage/data/DECAY_LHCB.DEC")
if dup:
with pytest.warns(UserWarning, match="pi0"):
p.parse()
else:
p.parse()
chain = p.build_decay_chains(signal_mother)
dcv = DecayChainViewer(chain)
graph_output_as_dot = dcv.to_string()
ls = [i.split(" ")[0] for i in graph_output_as_dot.split("-> dec")[1:]
] # list of node identifiers
assert len(set(ls)) == len(ls)