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32 lines
1.0 KiB
Python
32 lines
1.0 KiB
Python
# SPDX-FileCopyrightText: 2023-present deepset GmbH <info@deepset.ai>
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#
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# SPDX-License-Identifier: Apache-2.0
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from typing import List
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from haystack.core.pipeline import Pipeline
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from haystack.core.component import component
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from haystack.testing.sample_components import StringListJoiner
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@component
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class InputMangler:
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@component.output_types(mangled_list=List[str])
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def run(self, input_list: List[str]):
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input_list.append("extra_item")
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return {"mangled_list": input_list}
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def test_mutable_inputs():
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pipe = Pipeline()
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pipe.add_component("mangler1", InputMangler())
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pipe.add_component("mangler2", InputMangler())
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pipe.add_component("concat1", StringListJoiner())
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pipe.add_component("concat2", StringListJoiner())
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pipe.connect("mangler1", "concat1")
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pipe.connect("mangler2", "concat2")
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mylist = ["foo", "bar"]
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result = pipe.run(data={"mangler1": {"input_list": mylist}, "mangler2": {"input_list": mylist}})
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assert result["concat1"]["output"] == result["concat2"]["output"] == ["foo", "bar", "extra_item"]
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