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Examples

Real-world examples for testing AI agents with Tenro.

All examples are tested in CI and can be copied directly into your project.

  • Framework examples

    Test agents built with LangChain, CrewAI, LangGraph, Pydantic AI, AutoGen, and LlamaIndex.

    Choose your framework

  • Pattern recipes

    Common testing patterns: simulating responses, verifying calls, error handling, and more.

    View patterns

Quick start example

Here's a complete example you can copy and run:

from tenro import link_agent, link_tool, Construct, Provider
from tenro.simulate import llm, tool
from tenro.testing import tenro

# Your application code (framework user - no @link_llm needed)
@link_tool("search")
def search(query: str) -> list[str]:
    return []  # In production: call your search API

@link_agent("Researcher")
def researcher(topic: str) -> str:
    docs = search(topic)
    # Framework handles LLM - Tenro intercepts at HTTP level
    chain = prompt | ChatOpenAI()
    return chain.invoke(docs)

# Your test
@tenro
def test_researcher() -> None:
    # Simulate dependencies (use function reference)
    tool.simulate(search, result=["doc1", "doc2"])
    llm.simulate(Provider.OPENAI, response="Summary of findings")

    # Run the agent
    result = researcher("AI trends")

    # Verify behaviour
    tool.verify_many(search, count=1)
    llm.verify(Provider.OPENAI)

Framework examples

Each framework has its own dedicated page with tailored examples:

Framework Description
LangChain Chains, tools, and RAG pipelines
CrewAI Multi-agent crews
LangGraph Stateful graph workflows
Pydantic AI Type-safe agents
AutoGen Microsoft's agent framework
LlamaIndex Query engines and RAG
Custom agents Raw OpenAI/Anthropic SDK

Pattern recipes

Common testing patterns:

Pattern Description
Simulating responses Control tool and LLM outputs
Verifying calls Check call counts and arguments
Verifying sequence Ensure correct operation order
Simulating errors Test error handling
Dynamic behaviour Compute results from inputs

Running examples locally

# Clone the repository
git clone https://github.com/tenro-ai/tenro-python
cd tenro-python

# Install with example dependencies
uv sync --group examples

# Run all examples
uv run pytest examples/

# Run by category
uv run pytest examples/patterns/
uv run pytest examples/langchain/
uv run pytest examples/crewai/

See also