Files
litellm/tests
Alexsander HamirandGitHub a885e21543 Fix Langfuse logger test mock setup (#17588)
* Fix test_log_langfuse_v2_handles_null_usage_values test failure

The test was failing because the logger's Langfuse client wasn't properly
mocked. Even though sys.modules was mocked, the logger's __init__ method
creates its own Langfuse client instance that wasn't using the test's mock.

Changes:
- Explicitly set logger.Langfuse to the mock client after initialization
- Set logger.langfuse_sdk_version to ensure _supports_* methods work correctly
- Added mock_langfuse_client.client attribute to prevent errors during init
- Added trace_id to mock_langfuse_generation for proper return value handling
- Removed redundant mock setup code

This ensures the test can properly verify that _log_langfuse_v2 correctly
converts None usage values to 0 by allowing the mock's generation method
to be called and asserted.

Fixes: AssertionError: Expected 'generation' to have been called once. Called 0 times.
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fix
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In total litellm runs 1000+ tests

[02/20/2025] Update:

To make it easier to contribute and map what behavior is tested,

we've started mapping the litellm directory in tests/test_litellm

This folder can only run mock tests.