def test_cache_addition_removal(): # Don't use a mocker here as it will hold refs to things and break the cache removal test set_session() p1 = IRSwap('Pay', '10y', 'DKK') with PricingContext(use_cache=True): market_data_location = PricingContext.current.market_data_location pricing_date = PricingContext.current.pricing_date p1.price() assert PricingCache.get(p1, market_data_location, risk.Price, pricing_date) assert not PricingCache.get(p1, market_data_location, risk.IRDelta, pricing_date) # Assert that deleting the cached instrument removes it from the PricingCache # N.B, this may not work when debugging tests del p1 p2 = IRSwap('Pay', '10y', 'DKK') assert not PricingCache.get(p2, market_data_location, risk.Price, pricing_date) with PricingContext(use_cache=True): p2.price() assert PricingCache.get(p2, market_data_location, risk.Price, pricing_date) # Change a property and assert that p2 is no longer cached p2.notional_currency = 'EUR' assert not PricingCache.get(p2, market_data_location, risk.Price, pricing_date)
def test_cache_subset(mocker): set_session() ir_swap = IRSwap('Pay', '10y', 'DKK') values = [ {'date': '2019-10-07', 'value': 0.01}, {'date': '2019-10-08', 'value': 0.01} ] mocker.return_value = [[values]] dates = (dt.date(2019, 10, 7), dt.date(2019, 10, 8)) with HistoricalPricingContext(dates=dates, use_cache=True) as hpc: pricing_key = hpc.pricing_key price_f = ir_swap.price() price_f.result() cached = PricingCache.get(ir_swap, risk.Price, pricing_key) assert len(cached) == len(dates) cached_scalar = PricingCache.get(ir_swap, risk.Price, PricingContext(pricing_date=dates[0]).pricing_key) assert isinstance(cached_scalar, float) dates = dates + (dt.date(2019, 10, 9),) pricing_key = HistoricalPricingContext(dates=dates).pricing_key cached2 = PricingCache.get(ir_swap, risk.Price, pricing_key) assert cached2 is None cached3 = PricingCache.get(ir_swap, risk.Price, pricing_key, return_partial=True) assert len(cached3) < len(dates) values = [ {'date': '2019-10-07', 'marketDataType': 'IR', 'assetId': 'USD', 'pointClass': 'Swap', 'point': '1y', 'value': 0.01}, {'date': '2019-10-07', 'marketDataType': 'IR', 'assetId': 'USD', 'pointClass': 'Swap', 'point': '2y', 'value': 0.015}, {'date': '2019-10-08', 'marketDataType': 'IR', 'assetId': 'USD', 'pointClass': 'Swap', 'point': '1y', 'value': 0.01}, {'date': '2019-10-08', 'marketDataType': 'IR', 'assetId': 'USD', 'pointClass': 'Swap', 'point': '2y', 'value': 0.015}, {'date': '2019-10-09', 'marketDataType': 'IR', 'assetId': 'USD', 'pointClass': 'Swap', 'point': '1y', 'value': 0.01}, {'date': '2019-10-09', 'marketDataType': 'IR', 'assetId': 'USD', 'pointClass': 'Swap', 'point': '2y', 'value': 0.015} ] mocker.return_value = [[values]] with HistoricalPricingContext(dates=dates, use_cache=True) as hpc: pricing_key = hpc.pricing_key risk_f = ir_swap.calc(risk.IRDelta) risk_frame = risk_f.result() assert isinstance(risk_frame, pd.DataFrame) assert len(risk_frame.index.unique()) == len(dates) cached4 = PricingCache.get(ir_swap, risk.IRDelta, pricing_key) assert len(cached4.index.unique()) == len(dates) cached5 = PricingCache.get(ir_swap, risk.IRDelta, PricingContext(pricing_date=dates[0]).pricing_key) assert len(cached5.index.unique()) == len(cached5)
def test_cache_subset(mocker): set_session() ir_swap = IRSwap('Pay', '10y', 'DKK') values = [{'$type': 'Risk', 'val': 0.01}] mocker.return_value = [[[values]], [[values]]] dates = (dt.date(2019, 10, 7), dt.date(2019, 10, 8)) with HistoricalPricingContext(dates=dates, use_cache=True): price_f = ir_swap.price() price_f.result() for date in dates: risk_key = PricingContext(pricing_date=date)._PricingContext__risk_key( risk.Price, ir_swap.provider) cached_scalar = PricingCache.get(risk_key, ir_swap) assert cached_scalar assert isinstance(cached_scalar, float) risk_key = PricingContext( pricing_date=dt.date(2019, 10, 9))._PricingContext__risk_key( risk.Price, ir_swap.provider) cached2 = PricingCache.get(risk_key, ir_swap) assert cached2 is None values = [{ '$type': 'RiskVector', 'asset': [0.01, 0.015], 'points': [{ 'type': 'IR', 'asset': 'USD', 'class_': 'Swap', 'point': '1y' }, { 'type': 'IR', 'asset': 'USD', 'class_': 'Swap', 'point': '2y' }] }] # Check that we can return the same values from the cache, after calculating once (with return values set to None) for return_values in ([[[values]], [[values]], [[values]]], None): mocker.return_value = return_values with HistoricalPricingContext(dates=dates, use_cache=True): risk_f = ir_swap.calc(risk.IRDelta) risk_frame = risk_f.result() assert isinstance(risk_frame, pd.DataFrame) assert len(risk_frame.index.unique()) == len(dates)
def test_cache_addition_removal(): set_session() p1 = IRSwap('Pay', '10y', 'DKK') with mock.patch('gs_quant.api.gs.risk.GsRiskApi._exec') as mocker: mocker.return_value = [[[[{'$type': 'Risk', 'val': 0.07}]]]] with PricingContext(use_cache=True) as pc: p1.price() price_key = pc._PricingContext__risk_key(risk.Price, p1.provider) delta_key = pc._PricingContext__risk_key(risk.IRDelta, p1.provider) assert PricingCache.get(price_key, p1) assert not PricingCache.get(delta_key, p1) # Assert that deleting the cached instrument removes it from the PricingCache # N.B, this may not work when debugging tests del p1 del mocker import gc gc.collect() p2 = IRSwap('Pay', '10y', 'DKK') p2_price_key = PricingContext.current._PricingContext__risk_key( risk.Price, p2.provider) # assert not PricingCache.get(p2_price_key) with mock.patch('gs_quant.api.gs.risk.GsRiskApi._exec') as mocker: mocker.return_value = [[[[{'$type': 'Risk', 'val': 0.07}]]]] with PricingContext(use_cache=True): p2_price = p2.price() assert PricingCache.get(p2_price_key, p2) == p2_price.result() # Assert that running under a scenario does not retrieve the base result with mock.patch('gs_quant.api.gs.risk.GsRiskApi._exec') as mocker: mocker.return_value = [[[[{'$type': 'Risk', 'val': 0.08}]]]] with risk.RollFwd(date='1m'), PricingContext(use_cache=True) as spc: # Don't want the price without the scenario scenario_risk_key = spc._PricingContext__risk_key( risk.Price, p2.provider) assert not PricingCache.get(scenario_risk_key, p2) scenario_price = p2.price() assert PricingCache.get(scenario_risk_key, p2) == scenario_price.result() with PricingContext(use_cache=True) as pc, risk.RollFwd(date='1m'): cached_scenario_price = PricingCache.get( pc._PricingContext__risk_key(risk.Price, p2.provider), p2) # Check that we get the cached scenario price assert cached_scenario_price == scenario_price.result() # Check the base result is still correct assert PricingCache.get(p2_price_key, p2) == p2_price.result() # Assert that caching respects parameters, such as csa with mock.patch('gs_quant.api.gs.risk.GsRiskApi._exec') as mocker: mocker.return_value = [[[[{'$type': 'Risk', 'val': 0.08}]]]] with PricingContext(use_cache=True, csa_term='INVALID') as pc: # Don't want the price with default csa assert not PricingCache.get( pc._PricingContext__risk_key(risk.Price, p2.provider), p2) csa_price = p2.price() with PricingContext(use_cache=True, csa_term='INVALID') as pc: cached_csa_price = PricingCache.get( pc._PricingContext__risk_key(risk.Price, p2.provider), p2) # Check that we get the cached csa price assert cached_csa_price == csa_price.result() # Check the base result is still correct assert PricingCache.get(p2_price_key, p2) == p2_price.result() # Change a property and assert that p2 is no longer cached p2.notional_currency = 'EUR' assert not PricingCache.get(p2_price_key, p2)
def test_cache_subset(mocker): set_session() ir_swap = IRSwap('Pay', '10y', 'DKK') values = [{ 'date': '2019-10-07', 'value': 0.01 }, { 'date': '2019-10-08', 'value': 0.01 }] mocker.return_value = [[values]] dates = (dt.date(2019, 10, 7), dt.date(2019, 10, 8)) with HistoricalPricingContext(dates=dates, use_cache=True): market_data_location = PricingContext.current.market_data_location price_f = ir_swap.price() price_f.result() cached = PricingCache.get(ir_swap, market_data_location, risk.Price, dates) assert len(cached) == len(dates) cached_scalar = PricingCache.get(ir_swap, market_data_location, risk.Price, dates[0]) assert isinstance(cached_scalar, float) dates = dates + (dt.date(2019, 10, 9), ) cached2 = PricingCache.get(ir_swap, market_data_location, risk.Price, dates) assert len(cached2) assert len(cached2) < len(dates) values = [{ 'date': '2019-10-07', 'marketDataType': 'IR', 'assetId': 'USD', 'pointClass': 'Swap', 'point': '1y', 'value': 0.01 }, { 'date': '2019-10-07', 'marketDataType': 'IR', 'assetId': 'USD', 'pointClass': 'Swap', 'point': '2y', 'value': 0.015 }, { 'date': '2019-10-08', 'marketDataType': 'IR', 'assetId': 'USD', 'pointClass': 'Swap', 'point': '1y', 'value': 0.01 }, { 'date': '2019-10-08', 'marketDataType': 'IR', 'assetId': 'USD', 'pointClass': 'Swap', 'point': '2y', 'value': 0.015 }, { 'date': '2019-10-09', 'marketDataType': 'IR', 'assetId': 'USD', 'pointClass': 'Swap', 'point': '1y', 'value': 0.01 }, { 'date': '2019-10-09', 'marketDataType': 'IR', 'assetId': 'USD', 'pointClass': 'Swap', 'point': '2y', 'value': 0.015 }] mocker.return_value = [[values]] with HistoricalPricingContext(dates=dates, use_cache=True): market_data_location = PricingContext.current.market_data_location risk_f = ir_swap.calc(risk.IRDelta) risk_frame = risk_f.result() assert isinstance(risk_frame, pd.DataFrame) assert len(risk_frame.index.unique()) == len(dates) cached3 = PricingCache.get(ir_swap, market_data_location, risk.IRDelta, dates) assert len(cached3.index.unique()) == len(dates) cached4 = PricingCache.get(ir_swap, market_data_location, risk.IRDelta, dates[0]) assert len(cached4.index.unique()) == len(cached4)
def test_cache_addition_removal(): set_session() p1 = IRSwap('Pay', '10y', 'DKK') with mock.patch('gs_quant.api.gs.risk.GsRiskApi._exec') as mocker: mocker.return_value = [[[{'date': '2019-10-07', 'value': 0.07}]]] with PricingContext(use_cache=True): p1.price() assert PricingCache.get(p1, risk.Price) assert not PricingCache.get(p1, risk.IRDelta) # Assert that deleting the cached instrument removes it from the PricingCache # N.B, this may not work when debugging tests del p1 del mocker import gc gc.collect() p2 = IRSwap('Pay', '10y', 'DKK') assert not PricingCache.get(p2, risk.Price) with mock.patch('gs_quant.api.gs.risk.GsRiskApi._exec') as mocker: mocker.return_value = [[[{'date': '2019-10-07', 'value': 0.07}]]] with PricingContext(use_cache=True): p2_price = p2.price() assert PricingCache.get(p2, risk.Price) == p2_price.result() # Assert that running under a scenario does not retrieve the base result with mock.patch('gs_quant.api.gs.risk.GsRiskApi._exec') as mocker: mocker.return_value = [[[{'date': '2019-10-07', 'value': 0.08}]]] with risk.CarryScenario(time_shift=30), PricingContext(use_cache=True) as spc: # Don't want the price without the scenario assert not PricingCache.get(p2, risk.Price) scenario_price = p2.price() scenario_pricing_key = spc.pricing_key assert PricingCache.get(p2, risk.Price, scenario_pricing_key) == scenario_price.result() with PricingContext(use_cache=True), risk.CarryScenario(time_shift=30): cached_scenario_price = PricingCache.get(p2, risk.Price) # Check that we get the cached scenario price assert cached_scenario_price == scenario_price.result() # Check the base result is still correct assert PricingCache.get(p2, risk.Price) == p2_price.result() # Assert that caching respects parameters, such as csa with mock.patch('gs_quant.api.gs.risk.GsRiskApi._exec') as mocker: mocker.return_value = [[[{'date': '2019-10-07', 'value': 0.08}]]] with PricingContext(use_cache=True, csa_term='INVALID'): # Don't want the price with default csa assert not PricingCache.get(p2, risk.Price) csa_price = p2.price() with PricingContext(use_cache=True, csa_term='INVALID'): cached_csa_price = PricingCache.get(p2, risk.Price) # Check that we get the cached csa price assert cached_csa_price == csa_price.result() # Check the base result is still correct assert PricingCache.get(p2, risk.Price) == p2_price.result() # Change a property and assert that p2 is no longer cached p2.notional_currency = 'EUR' assert not PricingCache.get(p2, risk.Price)