def test_agent_transmit_no_connection(self): net = models.Network() self.db.add(net) agent1 = nodes.ReplicatorAgent(network=net) agent2 = nodes.ReplicatorAgent(network=net) info = models.Info(origin=agent1, contents="foo") agent1.transmit(what=info, to_whom=agent2)
def test_random_walk_from_source(self): net = models.Network() self.db.add(net) self.db.commit() agent1 = nodes.ReplicatorAgent(network=net) agent2 = nodes.ReplicatorAgent(network=net) agent3 = nodes.ReplicatorAgent(network=net) agent1.connect(whom=agent2) agent2.connect(whom=agent3) source = nodes.RandomBinaryStringSource(network=net) from operator import attrgetter source.connect( whom=min(net.nodes(type=Agent), key=attrgetter('creation_time'))) source.create_information() processes.random_walk(net) agent1.receive() msg = agent1.infos()[0].contents processes.random_walk(net) agent2.receive() agent2.infos()[0].contents processes.random_walk(net) agent3.receive() agent3.infos()[0].contents assert msg == agent3.infos()[0].contents
def test_transmit_selector_all_of_type(self): net = models.Network() self.db.add(net) # Create a network of two biological nodes. agent1 = nodes.ReplicatorAgent(network=net) agent2 = nodes.ReplicatorAgent(network=net) agent1.connect(direction="to", whom=agent2) information.Meme(origin=agent1, contents="foo1") information.Meme(origin=agent1, contents="foo2") information.Meme(origin=agent1, contents="foo3") information.Gene(origin=agent1, contents="bar") assert len(agent1.infos(type=Meme)) == 3 assert len(agent2.infos(type=Meme)) == 0 assert len(agent1.infos(type=Gene)) == 1 assert len(agent2.infos(type=Gene)) == 0 # Transmit memes from agent 1 to 2. agent1.transmit(what=information.Meme, to_whom=agent2) # Receive the transmission. agent2.receive() # Make sure that Agent 2 has a blank memome and the right gene. assert not agent2.infos(type=Gene) assert len(agent2.infos(type=Meme)) == 3
def test_agent_transmit_everything_to_everyone(self): net = models.Network() self.db.add(net) self.db.commit() agent1 = nodes.ReplicatorAgent(network=net) agent2 = nodes.ReplicatorAgent(network=net) agent3 = nodes.ReplicatorAgent(network=net) agent1.connect(direction="to", whom=agent2) agent1.connect(direction="to", whom=agent3) info = models.Info(origin=agent1, contents="foo") agent1.transmit(what=models.Info, to_whom=nodes.Agent) agent2.receive() agent3.receive() assert agent1.infos()[0].contents == agent2.infos()[0].contents assert agent1.infos()[0].contents == agent3.infos()[0].contents assert agent1.infos()[0].id != agent2.infos()[0].id != agent3.infos( )[0].id transmissions = info.transmissions() assert len(transmissions) == 2
def test_agent_transmit_invalid_info(self): net = models.Network() self.db.add(net) agent1 = nodes.ReplicatorAgent(network=net) agent2 = nodes.ReplicatorAgent(network=net) agent1.connect(direction="to", whom=agent2) info = models.Info(origin=agent2, contents="foo") agent1.transmit(what=info, to_whom=agent2)
def test_network_downstream_nodes(self): net = networks.Network() self.db.add(net) self.db.commit() node1 = models.Node(network=net) node2 = models.Node(network=net) agent1 = nodes.Agent(network=net) agent2 = nodes.ReplicatorAgent(network=net) source1 = nodes.Source(network=net) nodes.Source(network=net) node1.connect(whom=[node2, agent1, agent2]) assert_raises(TypeError, node1.connect, whom=source1) assert set(node1.neighbors(direction="to")) == set( [node2, agent1, agent2]) assert len(node1.vectors(direction="outgoing")) == 3 assert set(node1.neighbors(direction="to", type=nodes.Agent)) == set([agent1, agent2]) agent1.fail() agent2.fail() assert_raises(ValueError, node1.neighbors, direction="ghbhfgjd")
def test_moran_process_cultural(self): # Create a fully-connected network. net = models.Network() self.db.add(net) self.db.commit() agent1 = nodes.ReplicatorAgent(network=net) agent2 = nodes.ReplicatorAgent(network=net) agent3 = nodes.ReplicatorAgent(network=net) self.db.commit() agent1.connect(whom=agent2) agent1.connect(whom=agent3) agent2.connect(whom=agent1) agent2.connect(whom=agent3) agent3.connect(whom=agent1) agent3.connect(whom=agent2) # Add a global source and broadcast to all the nodes. source = nodes.RandomBinaryStringSource(network=net) for agent in net.nodes(type=Agent): source.connect(whom=agent) source.transmit(to_whom=agent) agent.receive() # Run a Moran process for 100 steps. for _ in xrange(100): processes.moran_cultural(net) for agent in net.nodes(type=Agent): agent.receive() # Ensure that the process had reached fixation. from operator import attrgetter assert max(agent1.infos(), key=attrgetter('creation_time')).contents == max( agent2.infos(), key=attrgetter('creation_time')).contents assert max(agent2.infos(), key=attrgetter('creation_time')).contents == max( agent3.infos(), key=attrgetter('creation_time')).contents assert max(agent3.infos(), key=attrgetter('creation_time')).contents == max( agent1.infos(), key=attrgetter('creation_time')).contents
def test_create_replicator_agent(self): net = models.Network() self.db.add(net) agent = nodes.ReplicatorAgent(network=net) assert len(agent.infos()) is 0 info = information.Info(origin=agent, contents="foo") assert agent.infos()[0] == info
def test_agent_transmit(self): net = models.Network() self.db.add(net) agent1 = nodes.ReplicatorAgent(network=net) agent2 = nodes.ReplicatorAgent(network=net) agent1.connect(direction="to", whom=agent2) info = models.Info(origin=agent1, contents="foo") agent1.transmit(what=agent1.infos()[0], to_whom=agent2) agent2.receive() assert agent1.infos()[0].contents == agent2.infos()[0].contents assert agent1.infos()[0].id != agent2.infos()[0].id transmission = info.transmissions()[0] assert transmission.info_id == info.id assert transmission.origin_id == agent1.id assert transmission.destination_id == agent2.id
def test_create_environment_get_observed(self): net = models.Network() self.db.add(net) environment = nodes.Environment(network=net) information.State(origin=environment, contents="foo") agent = nodes.ReplicatorAgent(network=net) environment.connect(direction="to", whom=agent) environment.transmit(to_whom=agent) agent.receive() assert agent.infos()[0].contents == "foo"
def test_broadcast_random_binary_string_source(self): net = models.Network() self.add(net) source = nodes.RandomBinaryStringSource(network=net) agent1 = nodes.ReplicatorAgent(network=net) agent2 = nodes.ReplicatorAgent(network=net) self.db.add(agent1) self.db.add(agent2) self.db.commit() source.connect(whom=agent1) source.connect(whom=agent2) self.add(source, agent1, agent2) source.transmit(what=source.create_information()) self.db.commit() agent1.receive() agent2.receive() self.db.commit() assert agent1.infos()[0].contents in ["00", "01", "10", "11"] assert agent2.infos()[0].contents in ["00", "01", "10", "11"]
def test_moran_process_sexual(self): # Create a fully-connected network. net = networks.Network() self.db.add(net) self.db.commit() agent1 = nodes.ReplicatorAgent(network=net) agent2 = nodes.ReplicatorAgent(network=net) agent3 = nodes.ReplicatorAgent(network=net) agent1.connect(direction="both", whom=[agent2, agent3]) agent2.connect(direction="both", whom=agent3) # Add a global source and broadcast to all the nodes. source = nodes.RandomBinaryStringSource(network=net) source.connect(direction="to", whom=net.nodes(type=Agent)) source.create_information() for agent in net.nodes(type=Agent): source.transmit(to_whom=agent) agent.receive() # Run a Moran process for 100 steps. for _ in range(100): nodes.ReplicatorAgent(network=net) processes.moran_sexual(net) for agent in net.nodes(type=Agent): agent.receive() # Ensure that the process had reached fixation. assert agent1.failed is True assert agent2.failed is True assert agent3.failed is True for a in net.nodes(type=Agent): for a2 in net.nodes(type=Agent): assert a.infos()[0].contents == a2.infos()[0].contents
def test_node_incoming_transmissions(self): net = models.Network() self.db.add(net) agent1 = nodes.ReplicatorAgent(network=net) agent2 = nodes.ReplicatorAgent(network=net) agent3 = nodes.ReplicatorAgent(network=net) self.add(agent1, agent2, agent3) self.db.commit() agent1.connect(direction="from", whom=[agent2, agent3]) self.add(agent1, agent2, agent3) info1 = models.Info(origin=agent2, contents="foo") info2 = models.Info(origin=agent3, contents="bar") self.add(info1, info2) agent2.transmit(what=info1, to_whom=agent1) agent3.transmit(what=info2, to_whom=agent1) self.db.commit() assert len(agent1.transmissions(direction="incoming")) == 2 assert len(agent2.transmissions(direction="incoming")) == 0 assert len(agent3.transmissions(direction="incoming")) == 0
def test_chain_repr(self): net = networks.Chain() self.db.add(net) self.db.commit() source = nodes.RandomBinaryStringSource(network=net) net.add_node(source) for i in range(4): agent = nodes.ReplicatorAgent(network=net) net.add_node(agent) self.db.commit() assert repr(net) == "<Network-" + str( net.id ) + "-chain with 5 nodes, 4 vectors, 0 infos, 0 transmissions and 0 transformations>"
def test_transmit_random_binary_string_source(self): net = models.Network() self.add(net) source = nodes.RandomBinaryStringSource(network=net) agent = nodes.ReplicatorAgent(network=net) self.db.add(source) self.db.add(agent) self.db.commit() source.connect(whom=agent) self.add(source, agent) source.transmit(to_whom=agent) self.db.commit() agent.receive() self.db.commit() assert agent.infos()[0].contents in ["00", "01", "10", "11"]