# QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.# Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.## Licensed under the Apache License, Version 2.0 (the "License");# you may not use this file except in compliance with the License.# You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0## Unless required by applicable law or agreed to in writing, software# distributed under the License is distributed on an "AS IS" BASIS,# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.# See the License for the specific language governing permissions and# limitations under the License.from AlgorithmImports import *### <summary>### Regression algorithm for testing parameterized regression algorithms get valid parameters.### </summary>class GetParameterRegressionAlgorithm(QCAlgorithm):def initialize(self):self.set_start_date(2013, 10, 7)self.check_parameter(None, self.get_parameter("non-existing"), "GetParameter(\"non-existing\")")self.check_parameter("100", self.get_parameter("non-existing", "100"), "GetParameter(\"non-existing\", \"100\")")self.check_parameter(100, self.get_parameter("non-existing", 100), "GetParameter(\"non-existing\", 100)")self.check_parameter(100.0, self.get_parameter("non-existing", 100.0), "GetParameter(\"non-existing\", 100.0)")self.check_parameter("10", self.get_parameter("ema-fast"), "GetParameter(\"ema-fast\")")self.check_parameter(10, self.get_parameter("ema-fast", 100), "GetParameter(\"ema-fast\", 100)")self.check_parameter(10.0, self.get_parameter("ema-fast", 100.0), "GetParameter(\"ema-fast\", 100.0)")self.quit()def check_parameter(self, expected, actual, call):if expected == None and actual != None:raise AssertionError(f"{call} should have returned null but returned {actual} ({type(actual)})")if expected != None and actual == None:raise AssertionError(f"{call} should have returned {expected} ({type(expected)}) but returned null")if expected != None and actual != None and type(expected) != type(actual) or expected != actual:raise AssertionError(f"{call} should have returned {expected} ({type(expected)}) but returned {actual} ({type(actual)})")
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