def test_draw_directed_arrow_direction(self):
d = {'a': ['b'], 'b': []}
g = graph_from_dict(d)
container = GraphContainer(graph=g)
for node in g.nodes():
GraphNodeComponent(container=container, value=node)
# Node a is to the left of node b
container._layout_needed = False
container.components[0].x = 0.0
container.components[1].x = 100.0
container.components[0].y = 0.0
container.components[1].y = 0.0
self.assertPathsAreCreated(container)
# Node a is to the right of node b
container._layout_needed = False
container.components[0].x = 100.0
container.components[1].x = 0.0
container.components[0].y = 0.0
container.components[1].y = 0.0
self.assertPathsAreCreated(container)
# Node a is above of node b
container._layout_needed = False
container.components[0].x = 0.0
container.components[1].x = 0.0
container.components[0].y = 0.0
container.components[1].y = 100.0
self.assertPathsAreCreated(container)
# Node a is below of node b
container._layout_needed = False
container.components[0].x = 0.0
container.components[1].x = 0.0
container.components[0].y = 100.0
container.components[1].y = 0.0
self.assertPathsAreCreated(container)
def test_draw_directed_arrow_direction(self):
d = {'a': ['b'], 'b': []}
g = graph_from_dict(d)
container = GraphContainer(graph=g)
for node in g.nodes():
GraphNodeComponent(container=container, value=node)
# Node a is to the left of node b
container._layout_needed = False
container.components[0].x = 0.0
container.components[1].x = 100.0
container.components[0].y = 0.0
container.components[1].y = 0.0
self.assertPathsAreCreated(container)
# Node a is to the right of node b
container._layout_needed = False
container.components[0].x = 100.0
container.components[1].x = 0.0
container.components[0].y = 0.0
container.components[1].y = 0.0
self.assertPathsAreCreated(container)
# Node a is above of node b
container._layout_needed = False
container.components[0].x = 0.0
container.components[1].x = 0.0
container.components[0].y = 0.0
container.components[1].y = 100.0
self.assertPathsAreCreated(container)
# Node a is below of node b
container._layout_needed = False
container.components[0].x = 0.0
container.components[1].x = 0.0
container.components[0].y = 100.0
container.components[1].y = 0.0
self.assertPathsAreCreated(container)
