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71 lines
2.6 KiB
Python
71 lines
2.6 KiB
Python
from langchain_core.messages import ToolCall
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from langchain_core.tools import BaseTool
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from langchain_tests.unit_tests.tools import ToolsTests
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class ToolsIntegrationTests(ToolsTests):
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def test_invoke_matches_output_schema(self, tool: BaseTool) -> None:
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"""
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If invoked with a ToolCall, the tool should return a valid ToolMessage content.
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"""
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tool_call = ToolCall(
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name=tool.name, args=self.tool_invoke_params_example, id=None
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)
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result = tool.invoke(tool_call)
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if tool.response_format == "content":
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content = result
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elif tool.response_format == "content_and_artifact":
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# should be (content, artifact)
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assert isinstance(result, tuple)
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assert len(result) == 2
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content, artifact = result
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assert artifact # artifact can be anything, but shouldn't be none
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# check content is a valid ToolMessage content
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assert isinstance(content, (str, list))
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if isinstance(content, list):
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# content blocks must be str or dict
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assert all(isinstance(c, (str, dict)) for c in content)
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async def test_async_invoke_matches_output_schema(self, tool: BaseTool) -> None:
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"""
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If ainvoked with a ToolCall, the tool should return a valid ToolMessage content.
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"""
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tool_call = ToolCall(
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name=tool.name, args=self.tool_invoke_params_example, id=None
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)
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result = await tool.ainvoke(tool_call)
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if tool.response_format == "content":
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content = result
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elif tool.response_format == "content_and_artifact":
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# should be (content, artifact)
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assert isinstance(result, tuple)
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assert len(result) == 2
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content, artifact = result
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assert artifact # artifact can be anything, but shouldn't be none
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# check content is a valid ToolMessage content
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assert isinstance(content, (str, list))
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if isinstance(content, list):
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# content blocks must be str or dict
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assert all(isinstance(c, (str, dict)) for c in content)
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def test_invoke_no_tool_call(self, tool: BaseTool) -> None:
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"""
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If invoked without a ToolCall, the tool can return anything
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but it shouldn't throw an error
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"""
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tool.invoke(self.tool_invoke_params_example)
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async def test_async_invoke_no_tool_call(self, tool: BaseTool) -> None:
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"""
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If invoked without a ToolCall, the tool can return anything
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but it shouldn't throw an error
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"""
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await tool.ainvoke(self.tool_invoke_params_example)
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