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litellm/tests/local_testing/test_gemini_reasoning_content.py
T
2025-12-03 10:13:59 +05:30

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Python

import json
from litellm.llms.vertex_ai.gemini.vertex_and_google_ai_studio_gemini import VertexGeminiConfig
def test_empty_part_does_not_create_thinking_block():
parts = [{"text": "", "thoughtSignature": "sig-1"}]
config = VertexGeminiConfig()
thinking_blocks = config._extract_thinking_blocks_from_parts(parts)
assert thinking_blocks == []
def test_non_empty_part_creates_thinking_block():
parts = [{"text": "Some thinking", "thoughtSignature": "sig-2"}]
config = VertexGeminiConfig()
thinking_blocks = config._extract_thinking_blocks_from_parts(parts)
assert len(thinking_blocks) == 1
block = thinking_blocks[0]
# thinking should be valid JSON containing the text
parsed = json.loads(block["thinking"]) if isinstance(block["thinking"], str) else None
assert parsed is not None and parsed.get("text") == "Some thinking"