Python StrategyResolver._load_strategy Examples

Example #1

def test_load_not_found_strategy():
    strategy = StrategyResolver()
    with pytest.raises(
            ImportError,
            match=r'Impossible to load Strategy \'NotFoundStrategy\'.'
            r' This class does not exist or contains Python code errors'):
        strategy._load_strategy('NotFoundStrategy')

Example #2

def test_load_strategy_custom_directory(result):
    resolver = StrategyResolver()
    extra_dir = os.path.join('some', 'path')
    with pytest.raises(
            FileNotFoundError,
            match=r".*No such file or directory: '{}'".format(extra_dir)):
        resolver._load_strategy('TestStrategy', extra_dir)

    assert hasattr(resolver.strategy, 'populate_indicators')
    assert 'adx' in resolver.strategy.populate_indicators(result)

Example #3

File: test_strategy.py Project: tucanae47/freqtrade

def test_load_strategy_invalid_directory(result, caplog):
    resolver = StrategyResolver()
    extra_dir = os.path.join('some', 'path')
    resolver._load_strategy('TestStrategy', extra_dir)

    assert (
        'freqtrade.strategy.resolver',
        logging.WARNING,
        'Path "{}" does not exist'.format(extra_dir),
    ) in caplog.record_tuples

    assert hasattr(resolver.strategy, 'populate_indicators')
    assert 'adx' in resolver.strategy.populate_indicators(result)

Example #4

File: test_strategy.py Project: ynzheng/freqtrade

def test_load_strategy_invalid_directory(result, caplog):
    resolver = StrategyResolver()
    extra_dir = path.join('some', 'path')
    resolver._load_strategy('TestStrategy', config={}, extra_dir=extra_dir)

    assert (
        'freqtrade.strategy.resolver',
        logging.WARNING,
        'Path "{}" does not exist'.format(extra_dir),
    ) in caplog.record_tuples

    assert 'adx' in resolver.strategy.advise_indicators(
        result, {'pair': 'ETH/BTC'})

Example #5

def test_load_strategy(result):
    resolver = StrategyResolver()
    resolver._load_strategy('TestStrategy')
    assert hasattr(resolver.strategy, 'populate_indicators')
    assert 'adx' in resolver.strategy.populate_indicators(result)