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anderskev

Pydantic Ai Testing

by Kevin Anderson · GitHub ↗ · v1.0.1 · MIT-0
cross-platform ✓ Security Clean
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Install in OpenClaw
/install pydantic-ai-testing
Description
Test PydanticAI agents using TestModel, FunctionModel, VCR cassettes, and inline snapshots. Use when writing unit tests, mocking LLM responses, or recording...
Usage Guidance
This guide is coherent for its stated purpose, but before using it: 1) understand that running the recorded tests will call real LLM APIs and requires provider credentials in your environment — ensure keys are stored securely; 2) recorded cassettes and snapshots are files written to your repo and can contain prompts, responses, or other sensitive data — inspect git diff carefully before committing and scope recordings tightly; 3) prefer mocking (TestModel/FunctionModel) in CI or on sensitive projects rather than recording live API responses; 4) if a recording accidentally contains secrets, rotate the exposed credentials and remove the artifact from history. If you want me to, I can list the likely environment variables you’ll need for common providers (OpenAI, Anthropic, etc.) or suggest a safer local test workflow.
Capability Analysis
Type: OpenClaw Skill Name: pydantic-ai-testing Version: 1.0.1 The skill bundle is a documentation and tutorial resource for testing PydanticAI agents. It contains standard code snippets for mocking LLM responses, using VCR cassettes, and performing snapshot testing with legitimate libraries like pytest and inline-snapshot. The instructions in SKILL.md are aligned with the stated purpose of managing test artifacts and do not contain any malicious commands, data exfiltration attempts, or harmful prompt injections.
Capability Assessment
Purpose & Capability
The SKILL.md describes testing utilities (TestModel, FunctionModel, VCR cassettes, snapshots) and all instructions are about writing and running tests for PydanticAI agents — nothing requested or described appears unrelated to that stated purpose.
Instruction Scope
Instructions are generally scoped to testing workflows, but they explicitly instruct recording/replaying LLM API interactions (VCR cassettes) and automatically updating inline snapshots. Those steps write files under tests/cassettes/ and snapshot files and can capture prompts/responses (possibly sensitive). The document properly calls out a gated workflow, but users must follow the gates and inspect diffs carefully to avoid accidental commits of sensitive data.
Install Mechanism
This is an instruction-only skill with no install spec and no code files — nothing will be downloaded or written by the skill itself during install.
Credentials
The skill declares no required env vars, but examples instantiate Agent('openai:gpt-4o'), which implies use of external LLM providers and therefore API credentials (e.g., OPENAI_API_KEY) in the runtime environment. The omission of explicit credential requirements is not malicious but users must provide appropriate provider credentials and be aware recordings will include any data sent/received.
Persistence & Privilege
No elevated persistence flags (always:false). The skill does not request to modify other skills or system-wide settings; it only instructs local test-run workflows that write test artifacts in the repository under tests/.
How to Use
  1. Make sure OpenClaw is installed (local or Docker)
  2. Run the install command in chat: /install pydantic-ai-testing
  3. After installation, invoke the skill by name or use /pydantic-ai-testing
  4. Provide required inputs per the skill's parameter spec and get structured output
Version History
v1.0.1
- Added "Gates: VCR cassettes and inline snapshots" section clarifying the safe workflow for recording and fixing test artifacts, with ordered steps. - No changes to functionality, only documentation updated for better test hygiene and file update practices.
v1.0.0
Initial release of pydantic-ai-testing. - Enables deterministic testing of PydanticAI agents using TestModel. - Supports custom model logic with FunctionModel for advanced scenarios. - Integrates VCR cassettes to record and replay real API interactions in tests. - Provides inline snapshot assertions for verifying outputs. - Allows forced tool invocation and easy mocking of dependencies during testing. - Includes utilities for capturing agent messages and structuring pytest test suites.
Metadata
Slug pydantic-ai-testing
Version 1.0.1
License MIT-0
All-time Installs 2
Active Installs 2
Total Versions 2
Frequently Asked Questions

What is Pydantic Ai Testing?

Test PydanticAI agents using TestModel, FunctionModel, VCR cassettes, and inline snapshots. Use when writing unit tests, mocking LLM responses, or recording... It is an AI Agent Skill for Claude Code / OpenClaw, with 188 downloads so far.

How do I install Pydantic Ai Testing?

Run "/install pydantic-ai-testing" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.

Is Pydantic Ai Testing free?

Yes, Pydantic Ai Testing is completely free, licensed under MIT-0. You can download, install and use it at no cost.

Which platforms does Pydantic Ai Testing support?

Pydantic Ai Testing is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).

Who created Pydantic Ai Testing?

It is built and maintained by Kevin Anderson (@anderskev); the current version is v1.0.1.

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