def setUp(self):
"""To be run before each test."""
molecule = Molecule().from_adjacency_list("""
1 C u0 p0 c0 {2,B} {6,B} {7,S}
2 C u0 p0 c0 {1,B} {3,B} {8,S}
3 C u0 p0 c0 {2,B} {4,B} {9,S}
4 C u0 p0 c0 {3,B} {5,B} {10,S}
5 C u0 p0 c0 {4,B} {6,B} {11,S}
6 C u0 p0 c0 {1,B} {5,B} {12,S}
7 H u0 p0 c0 {1,S}
8 H u0 p0 c0 {2,S}
9 H u0 p0 c0 {3,S}
10 H u0 p0 c0 {4,S}
11 H u0 p0 c0 {5,S}
12 H u0 p0 c0 {6,S}
""")
bonds = set()
for atom in molecule.atoms:
bonds.update(list(atom.bonds.values()))
ring_atoms, ring_bonds = molecule.get_aromatic_rings()
self.aromatic_ring = AromaticRing(ring_atoms[0], set(ring_bonds[0]),
bonds - set(ring_bonds[0]))
