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#88: Add test for usage[cost] field path in OpenRouterClient.generate() #102

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Merged
deyna256 merged 1 commit into from
Mar 14, 2026
Merged

#88: Add test for usage[cost] field path in OpenRouterClient.generate() #102

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21 changes: 21 additions & 0 deletions tests/providers/test_openrouter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -164,6 +164,27 @@ async def test_generate_metrics_uses_total_cost_field(

assert metrics.cost_usd == 0.05

async def test_generate_metrics_uses_cost_field(
no_retry_config: RetryConfig,
):
api_response = {
"choices": [{"message": {"content": "Hello, world!"}}],
"usage": {
"prompt_tokens": 10,
"completion_tokens": 20,
"total_tokens": 30,
"cost": 0.002,
},
}

async with OpenRouterClient(api_key="k", default_retry_config=no_retry_config) as client:
client._client.post = AsyncMock(return_value=_make_response(200, api_response))

content, metrics = await client.generate(prompt="hello", model="test-model")

assert content == "Hello, world!"
assert metrics.cost_usd == 0.002


async def test_generate_rejects_reserved_field_override():
async with OpenRouterClient(api_key="test-key") as client:
Expand Down