def test_intersects(self):
edge1 = Edge(Node(-2, 0), Node(2, 1))
edge2 = Edge(Node(0, 1), Node(0, -1))
edge3 = Edge(Node(-2, 1), Node(2, 2))
assert edge1.intersects(edge2)
assert not edge1.intersects(edge3)
assert_raises(TypeError, edge1.intersects, 1)
def test_intersects(self):
edge1 = Edge(Node(-2, 0), Node(2, 1))
edge2 = Edge(Node(0, 1), Node(0, -1))
edge3 = Edge(Node(-2, 1), Node(2, 2))
assert edge1.intersects(edge2)
assert not edge1.intersects(edge3)
assert_raises(TypeError, edge1.intersects, 1)
def test_start_end(self):
start = Node(1.5, -0.5)
end = Node(3.5, -0.5)
edge = Edge(start, end)
assert edge.start() == start
assert edge.end() == end
def test_substitutes(self):
overlay = Overlay([[None, '/'],['\+', None]], [Edge(Node(1, 1), Node(0.5, 1.5, fusable = False))])
graph = overlay.substitutes([" / "," + "])
assert len(graph.edges()) == 1
def test_init(self):
edge = Edge(Node(0, 0), Node(2, 2))
assert edge != None
def test_start_end(self):
start = Node(1.5, -0.5)
end = Node(3.5, -0.5)
edge = Edge(start, end)
assert edge.start() == start
assert edge.end() == end
