Files
LangBot/tests/unit_tests/provider/test_reasoning_control.py
T

759 lines
29 KiB
Python

from __future__ import annotations
from types import SimpleNamespace
from unittest.mock import AsyncMock
import pytest
import langbot_plugin.api.entities.builtin.provider.message as provider_message
from langbot.pkg.api.http.context import ExecutionContext
from langbot.pkg.entity.persistence import model as persistence_model
from langbot.pkg.provider.modelmgr import errors, reasoning, requester
from langbot.pkg.provider.modelmgr.requesters import litellmchat
from langbot.pkg.provider.modelmgr.requesters.litellmchat import LiteLLMRequester
from langbot.pkg.provider.runners.localagent import _StreamAccumulator
def _runtime_model(
request: LiteLLMRequester,
level: str = 'provider_default',
name: str = 'reasoning-model',
abilities: list[str] | None = None,
requester_name: str | None = None,
) -> requester.RuntimeLLMModel:
execution_context = ExecutionContext(
instance_uuid='instance-test',
workspace_uuid='workspace-test',
placement_generation=1,
)
entity = persistence_model.LLMModel(
workspace_uuid='workspace-test',
uuid='reasoning-model',
name=name,
provider_uuid='provider-test',
abilities=abilities if abilities is not None else ['reasoning'],
reasoning_config={'level': level},
extra_args={},
)
provider = SimpleNamespace(
execution_context=execution_context,
provider_entity=persistence_model.ModelProvider(
workspace_uuid='workspace-test',
uuid='provider-test',
name='provider',
requester=requester_name or request.requester_cfg.get('requester_name') or 'custom-requester',
base_url='https://example.com',
api_keys=[],
),
requester=request,
token_mgr=SimpleNamespace(),
)
return requester.RuntimeLLMModel(execution_context, entity, provider)
def _requester(provider: str = '', requester_name: str = '') -> LiteLLMRequester:
return LiteLLMRequester(
SimpleNamespace(),
{
'custom_llm_provider': provider,
'requester_name': requester_name,
},
)
def test_reasoning_config_normalization_and_conflicts():
assert reasoning.normalize_reasoning_config(None) == {'level': 'provider_default'}
assert reasoning.normalize_reasoning_config({}) == {'level': 'provider_default'}
assert reasoning.validate_reasoning_config(
{'level': 'high'},
['reasoning'],
{},
) == {'level': 'high'}
with pytest.raises(ValueError, match='Unsupported reasoning level'):
reasoning.normalize_reasoning_config({'level': 'turbo'})
with pytest.raises(ValueError, match='reasoning ability'):
reasoning.validate_reasoning_config({'level': 'low'}, [], {})
with pytest.raises(ValueError, match='extra_body.thinking_budget'):
reasoning.validate_reasoning_config(
{'level': 'low'},
['reasoning'],
{'extra_body': {'thinking_budget': 1024}},
)
assert reasoning.find_reasoning_arg_conflicts(
{
'enable_thinking': True,
'extra_body': {'reasoning_effort': 'high'},
}
) == ['enable_thinking', 'extra_body.reasoning_effort']
def test_manual_reasoning_model_without_known_protocol_stays_conservative(monkeypatch):
request = _requester()
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
capabilities = request.get_reasoning_capabilities(_runtime_model(request))
assert capabilities == {
'supported': True,
'levels': ['provider_default'],
'source': 'manual',
}
def test_openai_protocol_does_not_mark_unknown_models_as_reasoning(monkeypatch):
request = _requester('openai', 'openai-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
capabilities = request.get_reasoning_capabilities(
_runtime_model(request, name='future-reasoning-model', abilities=[])
)
assert capabilities == {
'supported': False,
'levels': ['provider_default'],
'source': 'unknown',
}
def test_unknown_unmarked_model_without_provider_stays_safe(monkeypatch):
request = _requester()
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
capabilities = request.get_reasoning_capabilities(_runtime_model(request, name='unknown-model', abilities=[]))
assert capabilities == {
'supported': False,
'levels': ['provider_default'],
'source': 'unknown',
}
def test_mimo_exposes_off_on_without_fake_effort_levels(monkeypatch):
request = _requester('openai', 'mimo-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
capabilities = request.get_reasoning_capabilities(_runtime_model(request, name='mimo-v2.5', abilities=[]))
assert capabilities == {
'supported': True,
'levels': ['provider_default', 'disabled', 'enabled'],
'source': 'provider',
}
def test_openai_reasoning_levels_follow_litellm_metadata(monkeypatch):
request = _requester('openai', 'openai-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: True)
monkeypatch.setattr(
request,
'_safe_model_info',
lambda _: {
'supports_none_reasoning_effort': True,
'supports_minimal_reasoning_effort': False,
'supports_low_reasoning_effort': True,
'supports_xhigh_reasoning_effort': True,
},
)
capabilities = request.get_reasoning_capabilities(_runtime_model(request, name='gpt-5'))
assert capabilities['source'] == 'litellm'
assert capabilities['levels'] == [
'provider_default',
'disabled',
'low',
'medium',
'high',
'xhigh',
]
def test_anthropic_adaptive_and_always_on_profiles(monkeypatch):
request = _requester('anthropic', 'anthropic-messages')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
adaptive = request.get_reasoning_capabilities(_runtime_model(request, name='claude-sonnet-4-6', abilities=[]))
assert adaptive['levels'] == [
'provider_default',
'disabled',
'low',
'medium',
'high',
'xhigh',
'max',
]
always_on = request.get_reasoning_capabilities(_runtime_model(request, name='claude-fable-5', abilities=[]))
assert 'disabled' not in always_on['levels']
legacy = request.get_reasoning_capabilities(_runtime_model(request, name='claude-3-5-sonnet', abilities=[]))
assert legacy['levels'] == ['provider_default', 'low', 'medium', 'high']
def test_deepseek_profiles_match_model_generation(monkeypatch):
request = _requester('deepseek', 'deepseek-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
assert request.get_reasoning_capabilities(_runtime_model(request, name='deepseek-v4-flash', abilities=[]))[
'levels'
] == ['provider_default', 'disabled', 'low', 'high', 'xhigh', 'max']
assert request.get_reasoning_capabilities(_runtime_model(request, name='deepseek-chat', abilities=[]))[
'levels'
] == ['provider_default', 'disabled', 'enabled']
assert request.get_reasoning_capabilities(_runtime_model(request, name='deepseek-r1', abilities=[]))['levels'] == [
'provider_default'
]
@pytest.mark.parametrize(
('model_name', 'expected_levels'),
[
('kimi-k3', ['provider_default', 'low', 'high', 'max']),
('kimi-k2.7-code', ['provider_default']),
('kimi-k2.6', ['provider_default', 'disabled', 'enabled']),
('kimi-k2.5', ['provider_default', 'disabled', 'enabled']),
],
)
def test_kimi_profiles(model_name, expected_levels, monkeypatch):
request = _requester('openai', 'moonshot-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
capabilities = request.get_reasoning_capabilities(_runtime_model(request, name=model_name, abilities=[]))
assert capabilities['levels'] == expected_levels
def test_qwen_mixed_and_dedicated_thinking_profiles(monkeypatch):
request = _requester('openai', 'bailian-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
mixed = request.get_reasoning_capabilities(_runtime_model(request, name='qwen-plus', abilities=[]))
dedicated = request.get_reasoning_capabilities(
_runtime_model(request, name='qwen3-235b-a22b-thinking-2507', abilities=[])
)
assert mixed['levels'] == ['provider_default', 'disabled', 'enabled']
assert dedicated['levels'] == ['provider_default', 'low', 'medium', 'high']
def test_qwen3_exposes_budget_based_reasoning_levels(monkeypatch):
request = _requester('openai', 'bailian-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
mixed = request.get_reasoning_capabilities(_runtime_model(request, name='qwen3.8-max', abilities=[]))
dedicated = request.get_reasoning_capabilities(
_runtime_model(request, name='qwen3.7-max-preview', abilities=[])
)
assert mixed['levels'] == ['provider_default', 'disabled', 'low', 'medium', 'high']
assert mixed['legacy_levels'] == ['enabled']
assert dedicated['levels'] == ['provider_default', 'low', 'medium', 'high']
def test_qwen3_legacy_enabled_config_remains_supported(monkeypatch):
request = _requester('openai', 'bailian-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
assert request._build_reasoning_args(_runtime_model(request, 'enabled', name='qwen3.8-max')) == {
'extra_body': {'enable_thinking': True}
}
@pytest.mark.parametrize(
('level', 'budget'),
[('low', 1024), ('medium', 4096), ('high', 8192)],
)
def test_qwen3_reasoning_levels_translate_to_thinking_budget(level, budget, monkeypatch):
request = _requester('openai', 'bailian-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
assert request._build_reasoning_args(_runtime_model(request, level, name='qwen3.8-max')) == {
'extra_body': {
'enable_thinking': True,
'thinking_budget': budget,
}
}
@pytest.mark.parametrize('model_name', ['qwen3.7-max-preview', 'qwen3.7-max-2026-05-17'])
def test_qwen_dedicated_thinking_release_models_are_not_toggleable(model_name, monkeypatch):
request = _requester('openai', 'bailian-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
capabilities = request.get_reasoning_capabilities(_runtime_model(request, name=model_name, abilities=[]))
assert capabilities['levels'] == ['provider_default', 'low', 'medium', 'high']
@pytest.mark.parametrize(
('model_name', 'expected_levels'),
[
('kimi-k2.6', ['provider_default', 'disabled', 'enabled']),
('kimi-k2.5', ['provider_default', 'disabled', 'enabled']),
('kimi-k2.7-code', ['provider_default']),
('kimi-k2-thinking', ['provider_default']),
],
)
def test_bailian_kimi_profiles_use_kimi_model_rules(model_name, expected_levels, monkeypatch):
request = _requester('openai', 'bailian-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
capabilities = request.get_reasoning_capabilities(_runtime_model(request, name=model_name, abilities=[]))
assert capabilities['levels'] == expected_levels
def test_bailian_kimi_uses_thinking_protocol_instead_of_qwen_protocol(monkeypatch):
request = _requester('openai', 'bailian-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
assert request._build_reasoning_args(_runtime_model(request, 'disabled', name='kimi-k2.6')) == {
'extra_body': {'thinking': {'type': 'disabled'}}
}
def test_doubao_exposes_documented_effort_range(monkeypatch):
request = _requester('openai', 'doubao-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
capabilities = request.get_reasoning_capabilities(
_runtime_model(request, name='doubao-seed-2-1-pro-260628', abilities=[])
)
assert capabilities['levels'] == ['provider_default', 'disabled', 'low', 'medium', 'high']
@pytest.mark.parametrize(
('model_name', 'expected_levels'),
[
('gpt-5', ['provider_default', 'low', 'medium', 'high']),
(
'claude-sonnet-4-6',
['provider_default', 'disabled', 'low', 'medium', 'high', 'xhigh', 'max'],
),
('deepseek-v4-flash', ['provider_default', 'disabled', 'low', 'high', 'xhigh', 'max']),
('kimi-k2.6', ['provider_default', 'disabled', 'enabled']),
('qwen-plus', ['provider_default', 'disabled', 'enabled']),
('doubao-seed-2-1-pro-260628', ['provider_default', 'disabled', 'low', 'medium', 'high']),
('mimo-v2.5', ['provider_default', 'disabled', 'enabled']),
],
)
def test_new_api_infers_upstream_protocol_from_model_name(model_name, expected_levels, monkeypatch):
request = _requester('openai', 'new-api-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
monkeypatch.setattr(request, '_safe_model_info', lambda _: {})
capabilities = request.get_reasoning_capabilities(_runtime_model(request, name=model_name, abilities=[]))
assert capabilities['levels'] == expected_levels
@pytest.mark.parametrize(
('provider', 'requester_name', 'model_name'),
[
('openai', 'openai-chat-completions', 'gpt-5'),
('anthropic', 'anthropic-messages', 'claude-sonnet-4-6'),
('deepseek', 'deepseek-chat-completions', 'deepseek-v4-flash'),
('openai', 'mimo-chat-completions', 'mimo-v2.5'),
('openai', 'moonshot-chat-completions', 'kimi-k2.6'),
('openai', 'bailian-chat-completions', 'qwen-plus'),
('openai', 'doubao-chat-completions', 'doubao-seed-2-1-pro-260628'),
('openai', 'new-api-chat-completions', 'deepseek-v4-flash'),
],
)
def test_scanned_known_models_gain_reasoning_ability(provider, requester_name, model_name, monkeypatch):
request = _requester(provider, requester_name)
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
monkeypatch.setattr(request, '_supports_function_calling', lambda _: False)
monkeypatch.setattr(request, '_supports_vision', lambda _: False)
monkeypatch.setattr(request, '_safe_context_length', lambda _: None)
scanned = request._enrich_scanned_model(model_name)
assert scanned['abilities'] == ['reasoning']
def test_new_api_unknown_alias_stays_conservative(monkeypatch):
request = _requester('openai', 'new-api-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
capabilities = request.get_reasoning_capabilities(
_runtime_model(request, name='company-internal-alias', abilities=[])
)
assert capabilities == {
'supported': False,
'levels': ['provider_default'],
'source': 'unknown',
}
def test_reasoning_argument_translation(monkeypatch):
openai_request = _requester('openai', 'openai-chat-completions')
monkeypatch.setattr(openai_request, '_supports_reasoning', lambda _: True)
monkeypatch.setattr(openai_request, '_safe_model_info', lambda _: {'supports_none_reasoning_effort': True})
assert openai_request._build_reasoning_args(_runtime_model(openai_request, 'disabled', name='gpt-5')) == {
'reasoning_effort': 'none'
}
anthropic_request = _requester('anthropic', 'anthropic-messages')
assert anthropic_request._build_reasoning_args(
_runtime_model(anthropic_request, 'disabled', name='claude-sonnet-4-6')
) == {'thinking': {'type': 'disabled'}}
deepseek_request = _requester('deepseek', 'deepseek-chat-completions')
assert deepseek_request._build_reasoning_args(
_runtime_model(deepseek_request, 'high', name='deepseek-v4-flash')
) == {
'extra_body': {
'thinking': {'type': 'enabled'},
'reasoning_effort': 'high',
}
}
kimi_request = _requester('openai', 'moonshot-chat-completions')
assert kimi_request._build_reasoning_args(_runtime_model(kimi_request, 'enabled', name='kimi-k2.6')) == {
'extra_body': {'thinking': {'type': 'enabled'}}
}
assert kimi_request._build_reasoning_args(_runtime_model(kimi_request, 'high', name='kimi-k3')) == {
'reasoning_effort': 'high'
}
qwen_request = _requester('openai', 'bailian-chat-completions')
assert qwen_request._build_reasoning_args(_runtime_model(qwen_request, 'disabled', name='qwen-plus')) == {
'extra_body': {'enable_thinking': False}
}
doubao_request = _requester('openai', 'doubao-chat-completions')
assert doubao_request._build_reasoning_args(
_runtime_model(doubao_request, 'high', name='doubao-seed-2-1-pro-260628')
) == {'reasoning_effort': 'high'}
mimo_request = _requester('openai', 'mimo-chat-completions')
assert mimo_request._build_reasoning_args(_runtime_model(mimo_request, 'disabled', name='mimo-v2.5')) == {
'extra_body': {'thinking': {'type': 'disabled'}}
}
def test_pipeline_reasoning_override_takes_precedence(monkeypatch):
request = _requester('openai', 'openai-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: True)
monkeypatch.setattr(request, '_safe_model_info', lambda _: {})
model = _runtime_model(request, 'high', name='gpt-5')
model.reasoning_config_override = {'level': 'provider_default'}
assert request._build_reasoning_args(model) == {}
model.reasoning_config_override = {'level': 'low'}
assert request._build_reasoning_args(model) == {'reasoning_effort': 'low'}
def test_always_on_reasoning_models_do_not_offer_disabled(monkeypatch):
deepseek_request = _requester('deepseek', 'deepseek-chat-completions')
monkeypatch.setattr(deepseek_request, '_supports_reasoning', lambda _: True)
monkeypatch.setattr(deepseek_request, '_safe_model_info', lambda _: {})
deepseek_capabilities = deepseek_request.get_reasoning_capabilities(
_runtime_model(deepseek_request, name='deepseek-r1')
)
assert deepseek_capabilities['levels'] == ['provider_default']
gemini_request = _requester('gemini')
monkeypatch.setattr(gemini_request, '_supports_reasoning', lambda _: True)
monkeypatch.setattr(
gemini_request,
'_safe_model_info',
lambda _: {'supports_none_reasoning_effort': True},
)
gemini_capabilities = gemini_request.get_reasoning_capabilities(_runtime_model(gemini_request, name='gemini-3-pro'))
assert 'disabled' not in gemini_capabilities['levels']
with pytest.raises(errors.RequesterError, match='not supported'):
gemini_request._build_reasoning_args(_runtime_model(gemini_request, 'disabled', name='gemini-3-pro'))
def test_non_target_provider_capabilities_remain_supported(monkeypatch):
ollama_request = _requester('ollama', 'ollama')
monkeypatch.setattr(ollama_request, '_supports_reasoning', lambda _: False)
monkeypatch.setattr(ollama_request, '_safe_model_info', lambda _: {})
toggle_capabilities = ollama_request.get_reasoning_capabilities(_runtime_model(ollama_request, name='qwen3'))
assert toggle_capabilities['levels'] == [
'provider_default',
'disabled',
'enabled',
]
assert ollama_request._build_reasoning_args(_runtime_model(ollama_request, 'enabled', name='qwen3')) == {
'reasoning_effort': 'low'
}
effort_capabilities = ollama_request.get_reasoning_capabilities(_runtime_model(ollama_request, name='gpt-oss:20b'))
assert effort_capabilities['levels'] == [
'provider_default',
'disabled',
'low',
'medium',
'high',
]
assert ollama_request._build_reasoning_args(_runtime_model(ollama_request, 'high', name='gpt-oss:20b')) == {
'reasoning_effort': 'high'
}
volcengine_request = _requester('volcengine', 'volcark-chat-completions')
monkeypatch.setattr(volcengine_request, '_supports_reasoning', lambda _: False)
monkeypatch.setattr(volcengine_request, '_safe_model_info', lambda _: {})
assert volcengine_request._build_reasoning_args(
_runtime_model(volcengine_request, 'disabled', name='doubao-seed')
) == {'extra_body': {'thinking': {'type': 'disabled'}}}
def test_explicit_unsupported_level_raises(monkeypatch):
request = _requester()
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
monkeypatch.setattr(request, '_safe_model_info', lambda _: {})
with pytest.raises(errors.RequesterError, match='Available levels: provider_default'):
request._build_reasoning_args(_runtime_model(request, 'high', abilities=[]))
def test_provider_inference_rejects_levels_outside_conservative_profile(monkeypatch):
request = _requester('openai', 'openai-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
monkeypatch.setattr(request, '_safe_model_info', lambda _: {})
with pytest.raises(errors.RequesterError, match='Available levels: provider_default, low, medium, high'):
request._build_reasoning_args(_runtime_model(request, 'xhigh', name='gpt-5', abilities=[]))
@pytest.mark.asyncio
async def test_completion_args_reject_reasoning_extra_arg_conflicts(monkeypatch):
request = _requester('openai', 'openai-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: True)
monkeypatch.setattr(request, '_safe_model_info', lambda _: {})
model = _runtime_model(request, 'high', name='gpt-5')
model.model_entity.extra_args = {'reasoning_effort': 'low'}
model.provider.token_mgr.get_token = lambda: 'test-token'
with pytest.raises(errors.RequesterError, match='conflicts with advanced parameters'):
await request._build_completion_args(model, [])
@pytest.mark.asyncio
async def test_openai_compatible_reasoning_effort_is_explicitly_allowed(monkeypatch):
request = _requester('openai', 'moonshot-chat-completions')
model = _runtime_model(request, 'high', name='kimi-k3')
model.model_entity.extra_args = {'allowed_openai_params': ['custom_extension']}
model.provider.token_mgr.get_token = lambda: 'test-token'
args = await request._build_completion_args(model, [])
assert args['reasoning_effort'] == 'high'
assert args['allowed_openai_params'] == ['custom_extension', 'reasoning_effort']
@pytest.mark.asyncio
async def test_provider_default_does_not_allow_or_send_reasoning_effort():
request = _requester('openai', 'new-api-chat-completions')
model = _runtime_model(request, 'provider_default', name='deepseek-v4-flash')
model.provider.token_mgr.get_token = lambda: 'test-token'
args = await request._build_completion_args(model, [])
assert 'reasoning_effort' not in args
assert 'allowed_openai_params' not in args
@pytest.mark.asyncio
async def test_deepseek_disabled_thinking_is_merged_into_extra_body(monkeypatch):
request = _requester('deepseek', 'deepseek-chat-completions')
monkeypatch.setattr(request, '_supports_reasoning', lambda _: False)
model = _runtime_model(request, 'disabled', name='deepseek-chat')
model.model_entity.extra_args = {'extra_body': {'custom_extension': True}}
model.provider.token_mgr.get_token = lambda: 'test-token'
args = await request._build_completion_args(model, [])
assert args['extra_body'] == {
'custom_extension': True,
'thinking': {'type': 'disabled'},
}
@pytest.mark.asyncio
async def test_openai_compatible_reasoning_history_is_promoted_for_tool_continuity():
request = _requester('openai', 'mimo-chat-completions')
model = _runtime_model(request, 'enabled', name='mimo-v2.5')
model.provider.token_mgr.get_token = lambda: 'test-token'
history = [
provider_message.Message(
role='assistant',
content='',
provider_specific_fields={'reasoning_content': 'prior reasoning'},
)
]
args = await request._build_completion_args(model, history)
assert args['messages'][0]['reasoning_content'] == 'prior reasoning'
assert 'provider_specific_fields' not in args['messages'][0]
@pytest.mark.asyncio
async def test_disabling_reasoning_removes_previous_reasoning_context():
request = _requester('openai', 'mimo-chat-completions')
model = _runtime_model(request, 'disabled', name='mimo-v2.5')
model.provider.token_mgr.get_token = lambda: 'test-token'
history = [
provider_message.Message(
role='assistant',
content='answer',
provider_specific_fields={'reasoning_content': 'prior reasoning'},
)
]
args = await request._build_completion_args(model, history)
assert 'reasoning_content' not in args['messages'][0]
assert 'provider_specific_fields' not in args['messages'][0]
@pytest.mark.asyncio
async def test_anthropic_history_promotes_thinking_blocks_instead_of_reasoning_content():
request = _requester('anthropic', 'anthropic-messages')
model = _runtime_model(request, 'high', name='claude-sonnet-4-6')
model.provider.token_mgr.get_token = lambda: 'test-token'
thinking_blocks = [{'type': 'thinking', 'thinking': 'prior reasoning', 'signature': 'sig'}]
history = [
provider_message.Message(
role='assistant',
content='',
provider_specific_fields={
'reasoning_content': 'prior reasoning',
'thinking_blocks': thinking_blocks,
},
)
]
args = await request._build_completion_args(model, history)
assert args['messages'][0]['thinking_blocks'] == thinking_blocks
assert 'reasoning_content' not in args['messages'][0]
assert 'provider_specific_fields' not in args['messages'][0]
class _Dumpable:
def __init__(self, data: dict):
self.data = data
def model_dump(self) -> dict:
return dict(self.data)
@pytest.mark.asyncio
async def test_non_stream_reasoning_content_is_preserved(monkeypatch):
request = _requester('deepseek')
request._build_completion_args = AsyncMock(return_value={})
response = SimpleNamespace(
choices=[
SimpleNamespace(
message=_Dumpable(
{
'role': 'assistant',
'content': 'answer',
'reasoning_content': 'private reasoning',
}
)
)
],
usage=None,
)
monkeypatch.setattr(litellmchat, 'acompletion', AsyncMock(return_value=response))
message, _ = await request.invoke_llm(None, _runtime_model(request), [], remove_think=True)
assert message.content == 'answer'
assert message.provider_specific_fields == {'reasoning_content': 'private reasoning'}
@pytest.mark.asyncio
async def test_stream_reasoning_round_trip_with_hidden_display(monkeypatch):
request = _requester('deepseek')
request._build_completion_args = AsyncMock(return_value={})
async def chunks():
yield SimpleNamespace(
choices=[
SimpleNamespace(
delta=_Dumpable({'role': 'assistant', 'reasoning_content': 'private '}),
finish_reason=None,
)
],
usage=None,
)
yield SimpleNamespace(
choices=[
SimpleNamespace(
delta=_Dumpable({'content': 'answer'}),
finish_reason='stop',
)
],
usage=None,
)
monkeypatch.setattr(litellmchat, 'acompletion', AsyncMock(return_value=chunks()))
accumulator = _StreamAccumulator(remove_think=True)
emitted: provider_message.MessageChunk | None = None
async for chunk in request.invoke_llm_stream(
None,
_runtime_model(request),
[],
remove_think=True,
):
emitted = accumulator.add(chunk) or emitted
assert emitted is not None
assert emitted.content == 'answer'
assert emitted.provider_specific_fields == {'reasoning_content': 'private '}
@pytest.mark.asyncio
async def test_stream_reasoning_content_is_wrapped_for_display(monkeypatch):
request = _requester('deepseek')
request._build_completion_args = AsyncMock(return_value={})
async def chunks():
yield SimpleNamespace(
choices=[
SimpleNamespace(
delta=_Dumpable({'role': 'assistant', 'reasoning_content': 'private '}),
finish_reason=None,
)
],
usage=None,
)
yield SimpleNamespace(
choices=[
SimpleNamespace(
delta=_Dumpable({'content': 'answer'}),
finish_reason='stop',
)
],
usage=None,
)
monkeypatch.setattr(litellmchat, 'acompletion', AsyncMock(return_value=chunks()))
accumulator = _StreamAccumulator(remove_think=False)
emitted: provider_message.MessageChunk | None = None
async for chunk in request.invoke_llm_stream(
None,
_runtime_model(request),
[],
remove_think=False,
):
emitted = accumulator.add(chunk) or emitted
assert emitted is not None
assert emitted.content == '<think>\nprivate \n</think>\nanswer'
assert emitted.provider_specific_fields == {'reasoning_content': 'private '}