mirror of
https://github.com/wassname/catalyst.git
synced 2026-06-30 11:59:37 +08:00
Jonathan Kamens
ca0f906b11
Rather than drop files temporarily into the master security lists directory during unit tests, create temporary directories for the tests. This avoids issues when the tests are being run at the same time as other code that uses the real security lists data.
290 lines
10 KiB
Python
290 lines
10 KiB
Python
import pytz
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from datetime import datetime, timedelta
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from unittest import TestCase
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from zipline.algorithm import TradingAlgorithm
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from zipline.errors import TradingControlViolation
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from zipline.sources import SpecificEquityTrades
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from zipline.utils.test_utils import (
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setup_logger, security_list_copy, add_security_data)
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from zipline.utils import factory
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from zipline.utils.security_list import (
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SecurityListSet, load_from_directory)
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LEVERAGED_ETFS = load_from_directory('leveraged_etf_list')
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class RestrictedAlgoWithCheck(TradingAlgorithm):
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def initialize(self, sid):
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self.rl = SecurityListSet(self.get_datetime)
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self.set_do_not_order_list(self.rl.leveraged_etf_list)
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self.order_count = 0
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self.sid = sid
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def handle_data(self, data):
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if not self.order_count:
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if self.sid not in \
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self.rl.leveraged_etf_list:
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self.order(self.sid, 100)
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self.order_count += 1
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class RestrictedAlgoWithoutCheck(TradingAlgorithm):
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def initialize(self, sid):
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self.rl = SecurityListSet(self.get_datetime)
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self.set_do_not_order_list(self.rl.leveraged_etf_list)
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self.order_count = 0
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self.sid = sid
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def handle_data(self, data):
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self.order(self.sid, 100)
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self.order_count += 1
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class IterateRLAlgo(TradingAlgorithm):
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def initialize(self, sid):
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self.rl = SecurityListSet(self.get_datetime)
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self.set_do_not_order_list(self.rl.leveraged_etf_list)
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self.order_count = 0
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self.sid = sid
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self.found = False
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def handle_data(self, data):
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for stock in self.rl.leveraged_etf_list:
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if stock == self.sid:
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self.found = True
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class SecurityListTestCase(TestCase):
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def setUp(self):
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self.extra_knowledge_date = \
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datetime(2015, 1, 27, 0, 0, tzinfo=pytz.utc)
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self.trading_day_before_first_kd = datetime(
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2015, 1, 23, 0, 0, tzinfo=pytz.utc)
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setup_logger(self)
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def test_iterate_over_rl(self):
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sim_params = factory.create_simulation_parameters(
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start=list(LEVERAGED_ETFS.keys())[0], num_days=4)
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trade_history = factory.create_trade_history(
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'BZQ',
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[10.0, 10.0, 11.0, 11.0],
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[100, 100, 100, 300],
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timedelta(days=1),
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sim_params
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)
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self.source = SpecificEquityTrades(event_list=trade_history)
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algo = IterateRLAlgo(sid='BZQ', sim_params=sim_params)
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algo.run(self.source)
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self.assertTrue(algo.found)
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def test_security_list(self):
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# set the knowledge date to the first day of the
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# leveraged etf knowledge date.
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def get_datetime():
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return list(LEVERAGED_ETFS.keys())[0]
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rl = SecurityListSet(get_datetime)
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# assert that a sample from the leveraged list are in restricted
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self.assertIn("BZQ", rl.leveraged_etf_list)
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self.assertIn("URTY", rl.leveraged_etf_list)
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self.assertIn("JFT", rl.leveraged_etf_list)
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# assert that a sample of allowed stocks are not in restricted
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# AAPL
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self.assertNotIn("AAPL", rl.leveraged_etf_list)
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# GOOG
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self.assertNotIn("GOOG", rl.leveraged_etf_list)
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def test_security_add(self):
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def get_datetime():
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return datetime(2015, 1, 27, tzinfo=pytz.utc)
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with security_list_copy():
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add_security_data(['AAPL', 'GOOG'], [])
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rl = SecurityListSet(get_datetime)
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self.assertIn("AAPL", rl.leveraged_etf_list)
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self.assertIn("GOOG", rl.leveraged_etf_list)
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self.assertIn("BZQ", rl.leveraged_etf_list)
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self.assertIn("URTY", rl.leveraged_etf_list)
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def test_security_add_delete(self):
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with security_list_copy():
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def get_datetime():
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return datetime(2015, 1, 27, tzinfo=pytz.utc)
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add_security_data([], ['BZQ', 'URTY'])
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rl = SecurityListSet(get_datetime)
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self.assertNotIn("BZQ", rl.leveraged_etf_list)
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self.assertNotIn("URTY", rl.leveraged_etf_list)
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def test_algo_without_rl_violation_via_check(self):
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sim_params = factory.create_simulation_parameters(
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start=list(LEVERAGED_ETFS.keys())[0], num_days=4)
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trade_history = factory.create_trade_history(
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'BZQ',
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[10.0, 10.0, 11.0, 11.0],
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[100, 100, 100, 300],
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timedelta(days=1),
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sim_params
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)
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self.source = SpecificEquityTrades(event_list=trade_history)
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algo = RestrictedAlgoWithCheck(sid='BZQ', sim_params=sim_params)
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algo.run(self.source)
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def test_algo_without_rl_violation(self):
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sim_params = factory.create_simulation_parameters(
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start=list(LEVERAGED_ETFS.keys())[0], num_days=4)
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trade_history = factory.create_trade_history(
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'AAPL',
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[10.0, 10.0, 11.0, 11.0],
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[100, 100, 100, 300],
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timedelta(days=1),
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sim_params
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)
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self.source = SpecificEquityTrades(event_list=trade_history)
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algo = RestrictedAlgoWithoutCheck(sid='AAPL', sim_params=sim_params)
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algo.run(self.source)
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def test_algo_with_rl_violation(self):
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sim_params = factory.create_simulation_parameters(
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start=list(LEVERAGED_ETFS.keys())[0], num_days=4)
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trade_history = factory.create_trade_history(
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'BZQ',
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[10.0, 10.0, 11.0, 11.0],
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[100, 100, 100, 300],
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timedelta(days=1),
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sim_params
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)
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self.source = SpecificEquityTrades(event_list=trade_history)
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self.df_source, self.df = \
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factory.create_test_df_source(sim_params)
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algo = RestrictedAlgoWithoutCheck(sid='BZQ', sim_params=sim_params)
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with self.assertRaises(TradingControlViolation) as ctx:
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algo.run(self.source)
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self.check_algo_exception(algo, ctx, 0)
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# repeat with a symbol from a different lookup date
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trade_history = factory.create_trade_history(
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'JFT',
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[10.0, 10.0, 11.0, 11.0],
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[100, 100, 100, 300],
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timedelta(days=1),
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sim_params
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)
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self.source = SpecificEquityTrades(event_list=trade_history)
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self.df_source, self.df = \
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factory.create_test_df_source(sim_params)
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algo = RestrictedAlgoWithoutCheck(sid='JFT', sim_params=sim_params)
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with self.assertRaises(TradingControlViolation) as ctx:
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algo.run(self.source)
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self.check_algo_exception(algo, ctx, 0)
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def test_algo_with_rl_violation_after_knowledge_date(self):
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sim_params = factory.create_simulation_parameters(
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start=list(
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LEVERAGED_ETFS.keys())[0] + timedelta(days=7), num_days=5)
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trade_history = factory.create_trade_history(
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'BZQ',
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[10.0, 10.0, 11.0, 11.0],
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[100, 100, 100, 300],
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timedelta(days=1),
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sim_params
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)
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self.source = SpecificEquityTrades(event_list=trade_history)
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algo = RestrictedAlgoWithoutCheck(sid='BZQ', sim_params=sim_params)
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with self.assertRaises(TradingControlViolation) as ctx:
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algo.run(self.source)
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self.check_algo_exception(algo, ctx, 0)
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def test_algo_with_rl_violation_cumulative(self):
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"""
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Add a new restriction, run a test long after both
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knowledge dates, make sure stock from original restriction
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set is still disallowed.
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"""
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sim_params = factory.create_simulation_parameters(
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start=list(
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LEVERAGED_ETFS.keys())[0] + timedelta(days=7), num_days=4)
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with security_list_copy():
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add_security_data(['AAPL'], [])
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trade_history = factory.create_trade_history(
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'BZQ',
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[10.0, 10.0, 11.0, 11.0],
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[100, 100, 100, 300],
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timedelta(days=1),
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sim_params
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)
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self.source = SpecificEquityTrades(event_list=trade_history)
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algo = RestrictedAlgoWithoutCheck(
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sid='BZQ', sim_params=sim_params)
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with self.assertRaises(TradingControlViolation) as ctx:
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algo.run(self.source)
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self.check_algo_exception(algo, ctx, 0)
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def test_algo_without_rl_violation_after_delete(self):
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with security_list_copy():
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# add a delete statement removing bzq
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# write a new delete statement file to disk
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add_security_data([], ['BZQ'])
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sim_params = factory.create_simulation_parameters(
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start=self.extra_knowledge_date, num_days=3)
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trade_history = factory.create_trade_history(
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'BZQ',
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[10.0, 10.0, 11.0, 11.0],
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[100, 100, 100, 300],
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timedelta(days=1),
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sim_params
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)
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self.source = SpecificEquityTrades(event_list=trade_history)
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algo = RestrictedAlgoWithoutCheck(
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sid='BZQ', sim_params=sim_params)
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algo.run(self.source)
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def test_algo_with_rl_violation_after_add(self):
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with security_list_copy():
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add_security_data(['AAPL'], [])
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sim_params = factory.create_simulation_parameters(
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start=self.trading_day_before_first_kd, num_days=4)
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trade_history = factory.create_trade_history(
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'AAPL',
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[10.0, 10.0, 11.0, 11.0],
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[100, 100, 100, 300],
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timedelta(days=1),
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sim_params
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)
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self.source = SpecificEquityTrades(event_list=trade_history)
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algo = RestrictedAlgoWithoutCheck(
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sid='AAPL', sim_params=sim_params)
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with self.assertRaises(TradingControlViolation) as ctx:
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algo.run(self.source)
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self.check_algo_exception(algo, ctx, 2)
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def check_algo_exception(self, algo, ctx, expected_order_count):
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self.assertEqual(algo.order_count, expected_order_count)
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exc = ctx.exception
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self.assertEqual(TradingControlViolation, type(exc))
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exc_msg = str(ctx.exception)
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self.assertTrue("RestrictedListOrder" in exc_msg)
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