add tests for IntParameter.range

tests/optimize/conftest.py

@@ -6,6 +6,7 @@ import pandas as pd
 import pytest
 
 from freqtrade.optimize.hyperopt import Hyperopt
+from freqtrade.state import RunMode
 from freqtrade.strategy.interface import SellType
 from tests.conftest import patch_exchange
 
@@ -15,6 +16,7 @@ def hyperopt_conf(default_conf):
     hyperconf = deepcopy(default_conf)
     hyperconf.update({
         'datadir': Path(default_conf['datadir']),
+        'runmode': RunMode.HYPEROPT,
         'hyperopt': 'DefaultHyperOpt',
         'hyperopt_loss': 'ShortTradeDurHyperOptLoss',
                          'hyperopt_path': str(Path(__file__).parent / 'hyperopts'),

tests/optimize/test_hyperopt.py

@@ -21,6 +21,7 @@ from freqtrade.optimize.hyperopt_tools import HyperoptTools
 from freqtrade.optimize.space import SKDecimal
 from freqtrade.resolvers.hyperopt_resolver import HyperOptResolver
 from freqtrade.state import RunMode
+from freqtrade.strategy.hyper import IntParameter
 from tests.conftest import (get_args, log_has, log_has_re, patch_exchange,
                             patched_configuration_load_config_file)
 
@@ -1103,6 +1104,14 @@ def test_in_strategy_auto_hyperopt(mocker, hyperopt_conf, tmpdir) -> None:
     })
     hyperopt = Hyperopt(hyperopt_conf)
     assert isinstance(hyperopt.custom_hyperopt, HyperOptAuto)
+    assert isinstance(hyperopt.backtesting.strategy.buy_rsi, IntParameter)
+
+    assert hyperopt.backtesting.strategy.buy_rsi.hyperopt is True
+    assert hyperopt.backtesting.strategy.buy_rsi.value == 35
+    buy_rsi_range = hyperopt.backtesting.strategy.buy_rsi.range
+    assert isinstance(buy_rsi_range, range)
+    # Range from 0 - 50 (inclusive)
+    assert len(list(buy_rsi_range)) == 51
 
     hyperopt.start()
 

tests/strategy/test_interface.py

@@ -588,6 +588,14 @@ def test_hyperopt_parameters():
     intpar = IntParameter(low=0, high=5, default=1, space='buy')
     assert intpar.value == 1
     assert isinstance(intpar.get_space(''), Integer)
+    assert isinstance(intpar.range, range)
+    assert len(list(intpar.range)) == 1
+    # Range contains ONLY the default / value.
+    assert list(intpar.range) == [intpar.value]
+    intpar.hyperopt = True
+
+    assert len(list(intpar.range)) == 6
+    assert list(intpar.range) == [0, 1, 2, 3, 4, 5]
 
     fltpar = RealParameter(low=0.0, high=5.5, default=1.0, space='buy')
     assert isinstance(fltpar.get_space(''), Real)