build: Add Makefile for LiteLLM project with test targets

[colesmcintosh]

Type

🚄 Infrastructure

Changes

• Added a Makefile to simplify common development tasks
• Implemented test targets for running all tests, unit tests, and integration tests
• Added help command with documentation of available targets
• Used poetry for running tests to maintain consistency with project's package management

Testing

No new tests or tested features introduced

The Makefile has been tested locally and all commands work as expected:

• make help displays available commands
• make test runs all tests
• make test-unit runs only unit tests in tests/litellm/
• make test-integration runs all tests except those in tests/litellm/

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Name	Status	Preview	Comments	Updated (UTC)
litellm	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Mar 3, 2025 3:45am

[ishaan-jaff]

great job, can you help adding the rest of the checks that langchain has too @colesmcintosh https://python.langchain.com/docs/contributing/how_to/code/setup/#testing

they run linting and code spelling

[colesmcintosh]

@ishaan-jaff absolutely, will work on adding those!

[ishaan-jaff]

can you also add it to these docs: https://docs.litellm.ai/docs/extras/contributing_code

[colesmcintosh]

Absolutely