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86 lines
2.4 KiB
Python
86 lines
2.4 KiB
Python
from unittest import TestCase
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import io
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import os
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import networkx as nx
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from os.path import join
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from soil import network, environment
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ROOT = os.path.abspath(os.path.dirname(__file__))
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EXAMPLES = join(ROOT, '..', 'examples')
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class TestNetwork(TestCase):
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def test_load_graph(self):
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"""
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Load a graph from file if the extension is known.
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Raise an exception otherwise.
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"""
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config = {
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'network_params': {
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'path': join(ROOT, 'test.gexf')
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}
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}
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G = network.from_config(config['network_params'])
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assert G
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assert len(G) == 2
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with self.assertRaises(AttributeError):
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config = {
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'network_params': {
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'path': join(ROOT, 'unknown.extension')
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}
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}
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G = network.from_config(config['network_params'])
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print(G)
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def test_generate_barabasi(self):
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"""
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If no path is given, a generator and network parameters
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should be used to generate a network
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"""
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cfg = {
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'params': {
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'generator': 'barabasi_albert_graph'
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}
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}
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with self.assertRaises(Exception):
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G = network.from_config(cfg)
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cfg['params']['n'] = 100
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cfg['params']['m'] = 10
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G = network.from_config(cfg)
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assert len(G) == 100
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def test_save_geometric(self):
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"""
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There is a bug in networkx that prevents it from creating a GEXF file
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from geometric models. We should work around it.
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"""
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G = nx.random_geometric_graph(20, 0.1)
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env = environment.NetworkEnvironment(topology=G)
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f = io.BytesIO()
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env.dump_gexf(f)
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def test_custom_agent_neighbors(self):
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"""Allow for search of neighbors with a certain state_id"""
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config = {
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'network_params': {
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'path': join(ROOT, 'test.gexf')
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},
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'network_agents': [{
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'agent_class': CustomAgent,
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'weight': 1
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}],
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'max_time': 10,
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'environment_params': {
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}
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}
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s = simulation.from_config(config)
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env = s.run_simulation(dry_run=True)[0]
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assert env.agents[1].count_agents(state_id='normal') == 2
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assert env.agents[1].count_agents(state_id='normal', limit_neighbors=True) == 1
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assert env.agents[0].neighbors == 1
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