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129 lines
4.0 KiB
Python
129 lines
4.0 KiB
Python
from unittest import TestCase
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import os
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import io
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import yaml
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import copy
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import pickle
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import networkx as nx
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from functools import partial
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from os.path import join
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from soil import (simulation, Environment, agents, serialization,
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utils)
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from soil.time import Delta
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from tsih import NoHistory, History
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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 CustomAgent(agents.FSM):
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@agents.default_state
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@agents.state
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def normal(self):
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self.neighbors = self.count_agents(state_id='normal',
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limit_neighbors=True)
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@agents.state
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def unreachable(self):
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return
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class TestHistory(TestCase):
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def test_counter_agent_history(self):
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"""
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The evolution of the state should be recorded in the logging agent
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"""
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config = {
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'name': 'CounterAgent',
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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_type': 'AggregatedCounter',
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'weight': 1,
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'state': {'state_id': 0}
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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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for agent in env.network_agents:
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last = 0
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assert len(agent[None, None]) == 11
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for step, total in sorted(agent['total', None]):
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assert total == last + 2
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last = total
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def test_row_conversion(self):
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env = Environment(history=True)
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env['test'] = 'test_value'
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res = list(env.history_to_tuples())
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assert len(res) == len(env.environment_params)
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env.schedule.time = 1
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env['test'] = 'second_value'
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res = list(env.history_to_tuples())
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assert env['env', 0, 'test' ] == 'test_value'
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assert env['env', 1, 'test' ] == 'second_value'
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def test_nohistory(self):
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'''
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Make sure that no history(/sqlite) is used by default
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'''
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env = Environment(topology=nx.Graph(), network_agents=[])
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assert isinstance(env._history, NoHistory)
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def test_save_graph_history(self):
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'''
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The history_to_graph method should return a valid networkx graph.
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The state of the agent should be encoded as intervals in the nx graph.
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'''
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G = nx.cycle_graph(5)
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distribution = agents.calculate_distribution(None, agents.BaseAgent)
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env = Environment(topology=G, network_agents=distribution, history=True)
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env[0, 0, 'testvalue'] = 'start'
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env[0, 10, 'testvalue'] = 'finish'
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nG = env.history_to_graph()
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values = nG.nodes[0]['attr_testvalue']
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assert ('start', 0, 10) in values
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assert ('finish', 10, None) in values
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def test_save_graph_nohistory(self):
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'''
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The history_to_graph method should return a valid networkx graph.
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When NoHistory is used, only the last known value is known
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'''
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G = nx.cycle_graph(5)
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distribution = agents.calculate_distribution(None, agents.BaseAgent)
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env = Environment(topology=G, network_agents=distribution, history=False)
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env.get_agent(0)['testvalue'] = 'start'
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env.schedule.time = 10
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env.get_agent(0)['testvalue'] = 'finish'
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nG = env.history_to_graph()
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values = nG.nodes[0]['attr_testvalue']
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assert ('start', 0, None) not in values
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assert ('finish', 10, None) in values
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def test_pickle_agent_environment(self):
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env = Environment(name='Test', history=True)
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a = agents.BaseAgent(model=env, unique_id=25)
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a['key'] = 'test'
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pickled = pickle.dumps(a)
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recovered = pickle.loads(pickled)
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assert recovered.env.name == 'Test'
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assert list(recovered.env._history.to_tuples())
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assert recovered['key', 0] == 'test'
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assert recovered['key'] == 'test'
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