def test_network_serialization(serialized_graph):
graph = Graph()
counter = graph.add_component('Counter1', Counter)
counter.metadata.update({
'x': 20.0,
'y': 300.5
})
graph.add_component('Pass', PassthruNet)
graph.add_component('Discard1', Discard)
graph.add_component('Generate', GenerateArray)
graph.add_component("Merge", Group)
graph.connect('Counter1.OUT', 'Pass.IN')
graph.connect('Pass.OUT', 'Discard1.IN')
graph.connect("Generate.OUT[0]", "Merge.IN[1]")
graph.connect("Generate.OUT[1]", "Merge.IN[2]")
graph.initialize(5, "Counter1.IN")
assert len(graph.get_components().keys()) == 5
definition = graph.to_dict()
# Order of connections array shouldn't matter
definition['connections'] = sorted(definition['connections'], key=str)
assert definition == serialized_graph
def get_graph(graph_name):
graph = Graph(name=graph_name)
gen = graph.add_component('Generate', GenerateTestData)
gen.metadata['x'] = 5
gen.metadata['y'] = 5
passthru = graph.add_component('Pass', Passthru)
outside = graph.add_component('Outside', Passthru)
graph.connect('Generate.OUT', 'Pass.IN')
graph.connect('Outside.OUT', 'Pass.IN')
graph.initialize(5, 'Generate.COUNT')
graph.export('Pass.OUT', 'OUTPORT')
graph.export('Outside.IN', 'INPORT')
return graph, gen, passthru, outside
def test_basic_connections():
graph = Graph()
count = graph.add_component("Count", Counter)
dis = graph.add_component("Discard1", Discard)
graph.add_component("Discard2", Discard)
# ports are stored in the order they are declared
assert names(count.outports) == ['OUT', 'COUNT']
# assert list(count.ports._ports.keys()) == ['OUT', 'COUNT', 'NULL']
# nothing is connected yet
assert count.ports['OUT'].is_connected() is False
assert dis.ports['IN'].is_connected() is False
with pytest.raises(FlowError):
# non-existent port
graph.connect("Count.FOO", "Discard1.IN")
with pytest.raises(FlowError):
# non-existent Component
graph.connect("Foo.FOO", "Discard1.IN")
# make a connection
graph.connect("Count.OUT", "Discard1.IN")
# outports can have more than one connection
graph.connect("Count.OUT", "Discard2.IN")
with pytest.raises(FlowError):
# connected ports cannot be initialized
graph.initialize(1, "Discard1.IN")
assert type(count.ports['OUT']) is OutputPort
assert type(dis.ports['IN']) is InputPort
assert count.ports['OUT'].is_connected() is True
assert dis.ports['IN'].is_connected() is True
# FIXME: move this to a different test
net = Network(graph)
net.reset()
net._build_runners()
net._open_ports()
assert count.ports['OUT'].component is count
assert isinstance(count.ports['OUT'].sender, ComponentRunner)
assert dis.ports['IN'].component is dis
assert isinstance(dis.ports['IN'].receiver, ComponentRunner)
