# SPDX-FileCopyrightText: 2022-present deepset GmbH # # SPDX-License-Identifier: Apache-2.0 from pathlib import Path from pprint import pprint from haystack.core.pipeline import Pipeline from haystack.testing.sample_components import AddFixedValue, Double import logging logging.basicConfig(level=logging.DEBUG) def test_pipeline(tmp_path): pipeline = Pipeline() pipeline.add_component("first_addition", AddFixedValue(add=2)) pipeline.add_component("second_addition", AddFixedValue()) pipeline.add_component("double", Double()) pipeline.connect("first_addition", "double") pipeline.connect("double", "second_addition") pipeline.draw(tmp_path / "linear_pipeline.png") results = pipeline.run({"first_addition": {"value": 1}}) pprint(results) assert results == {"second_addition": {"result": 7}} if __name__ == "__main__": test_pipeline(Path(__file__).parent)