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114 lines
3.3 KiB
Python
114 lines
3.3 KiB
Python
import os
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import io
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import tempfile
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import shutil
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import sqlite3
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from unittest import TestCase
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from soil import exporters
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from soil import simulation
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from soil import agents
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class Dummy(exporters.Exporter):
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started = False
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trials = 0
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ended = False
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total_time = 0
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called_start = 0
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called_trial = 0
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called_end = 0
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def sim_start(self):
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self.__class__.called_start += 1
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self.__class__.started = True
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def trial_end(self, env):
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assert env
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self.__class__.trials += 1
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self.__class__.total_time += env.now
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self.__class__.called_trial += 1
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def sim_end(self):
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self.__class__.ended = True
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self.__class__.called_end += 1
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class Exporters(TestCase):
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def test_basic(self):
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# We need to add at least one agent to make sure the scheduler
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# ticks every step
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num_trials = 5
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max_time = 2
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config = {
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"name": "exporter_sim",
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"model_params": {"agents": [{"agent_class": agents.BaseAgent}]},
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"max_time": max_time,
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"num_trials": num_trials,
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}
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s = simulation.from_config(config)
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for env in s.run_simulation(exporters=[Dummy], dry_run=True):
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assert len(env.agents) == 1
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assert env.now == max_time
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assert Dummy.started
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assert Dummy.ended
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assert Dummy.called_start == 1
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assert Dummy.called_end == 1
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assert Dummy.called_trial == num_trials
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assert Dummy.trials == num_trials
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assert Dummy.total_time == max_time * num_trials
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def test_writing(self):
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"""Try to write CSV, sqlite and YAML (without dry_run)"""
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n_trials = 5
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config = {
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"name": "exporter_sim",
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"network_params": {"generator": "complete_graph", "n": 4},
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"agent_class": "CounterModel",
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"max_time": 2,
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"num_trials": n_trials,
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"dry_run": False,
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"environment_params": {},
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}
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output = io.StringIO()
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s = simulation.from_config(config)
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tmpdir = tempfile.mkdtemp()
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envs = s.run_simulation(
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exporters=[
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exporters.default,
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exporters.csv,
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],
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model_params={
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"agent_reporters": {"times": "times"},
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"model_reporters": {
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"constant": lambda x: 1,
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},
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},
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dry_run=False,
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outdir=tmpdir,
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exporter_params={"copy_to": output},
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)
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result = output.getvalue()
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simdir = os.path.join(tmpdir, s.group or "", s.name)
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with open(os.path.join(simdir, "{}.dumped.yml".format(s.name))) as f:
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result = f.read()
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assert result
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try:
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for e in envs:
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db = sqlite3.connect(os.path.join(simdir, f"{e.id}.sqlite"))
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cur = db.cursor()
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agent_entries = cur.execute("SELECT * from agents").fetchall()
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env_entries = cur.execute("SELECT * from env").fetchall()
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assert len(agent_entries) > 0
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assert len(env_entries) > 0
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with open(os.path.join(simdir, "{}.env.csv".format(e.id))) as f:
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result = f.read()
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assert result
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finally:
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shutil.rmtree(tmpdir)
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