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TestToolStrategy Class — langchain Architecture

Architecture documentation for the TestToolStrategy class in test_responses.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  ebb21ee0_43ab_2154_cc04_59917941f636["TestToolStrategy"]
  4ec8d71c_3a26_be00_a621_f5533ddc4441["test_responses.py"]
  ebb21ee0_43ab_2154_cc04_59917941f636 -->|defined in| 4ec8d71c_3a26_be00_a621_f5533ddc4441
  f1399eba_785e_381f_21e4_944d9f2cd7c7["test_basic_creation()"]
  ebb21ee0_43ab_2154_cc04_59917941f636 -->|method| f1399eba_785e_381f_21e4_944d9f2cd7c7
  e624cd2b_c0e6_aaf9_f73a_6c0d0c5c5bfb["test_multiple_schemas()"]
  ebb21ee0_43ab_2154_cc04_59917941f636 -->|method| e624cd2b_c0e6_aaf9_f73a_6c0d0c5c5bfb
  607e6943_654b_56e9_40a4_1812d23df33a["test_schema_with_tool_message_content()"]
  ebb21ee0_43ab_2154_cc04_59917941f636 -->|method| 607e6943_654b_56e9_40a4_1812d23df33a

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/test_responses.py lines 36–60

class TestToolStrategy:
    """Test ToolStrategy dataclass."""

    def test_basic_creation(self) -> None:
        """Test basic ToolStrategy creation."""
        strategy = ToolStrategy(schema=_TestModel)
        assert strategy.schema == _TestModel
        assert strategy.tool_message_content is None
        assert len(strategy.schema_specs) == 1
        assert strategy.schema_specs[0].schema == _TestModel

    def test_multiple_schemas(self) -> None:
        """Test ToolStrategy with multiple schemas."""
        strategy = ToolStrategy(schema=_TestModel | CustomModel)
        assert len(strategy.schema_specs) == 2
        assert strategy.schema_specs[0].schema == _TestModel
        assert strategy.schema_specs[1].schema == CustomModel

    def test_schema_with_tool_message_content(self) -> None:
        """Test ToolStrategy with tool message content."""
        strategy = ToolStrategy(schema=_TestModel, tool_message_content="custom message")
        assert strategy.schema == _TestModel
        assert strategy.tool_message_content == "custom message"
        assert len(strategy.schema_specs) == 1
        assert strategy.schema_specs[0].schema == _TestModel

Defined In

Source

Frequently Asked Questions

What is the TestToolStrategy class?
TestToolStrategy is a class in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/test_responses.py.
Where is TestToolStrategy defined?
TestToolStrategy is defined in libs/langchain_v1/tests/unit_tests/agents/test_responses.py at line 36.

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