tests.structure.test_directededge

Unit tests for structure.directededge.DirectedEdge class.

Functions

test_diedge_init_vertices()	Ensure DirectedEdge can be instantiated with vertices.
test_diedge_init_vertices_wrong()	Ensure errors are raised if invalid objects are passed to the DirectedEdge.
test_diedge_subclass()	Ensure the DirectedEdge class trees up to the correct superclass.