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duocthu/apps/ai-service/tests/test_conversational_loop.py
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Python

from rag.answer import GroundedAnswer
from rag.conversation import DeterministicSummariser, InMemoryConversationStore
from rag.conversational import (
SMALLTALK_REPLY,
ConversationalLoopService,
)
from rag.models import (
Evidence,
EvidenceDecision,
QueryIntent,
RetrievalResult,
SubjectScope,
)
from rag.reasoning import ClarifyReason
from rag.routing import CatalogDrugResolver
from rag.sections import SectionResolver
def _grounded(answer, evidence_text):
ev = Evidence("e1", "e1", "prose", evidence_text, 1.0, (), False, False)
result = RetrievalResult(
EvidenceDecision.ANSWERABLE, "grounded_evidence_available",
(ev,), "metformin", "resolved",
)
return GroundedAnswer(result, answer, (), False)
class FakeAnswers:
def __init__(self, answer_text, evidence_text):
self._a = answer_text
self._e = evidence_text
self.calls = []
def answer(self, query, subject_scope, intent):
self.calls.append(query)
return _grounded(self._a, self._e)
def _service(answers):
return ConversationalLoopService(
answers=answers,
resolver=CatalogDrugResolver({"metformin": {"metformin"}}),
section_resolver=SectionResolver(),
store=InMemoryConversationStore(),
summariser=DeterministicSummariser(),
)
def test_smalltalk_answers_socially_without_calling_engine():
answers = FakeAnswers("x", "x")
svc = _service(answers)
out = svc.answer("c1", "chào bạn", SubjectScope.HUMAN, QueryIntent.FACT_LOOKUP)
assert out.smalltalk is True
assert out.answer == SMALLTALK_REPLY
assert answers.calls == [] # a greeting is not a drug lookup
def test_medical_turn_returns_grounded_answer():
answers = FakeAnswers("Quá mẫn với metformin.", "Quá mẫn với metformin.")
svc = _service(answers)
out = svc.answer(
"c2", "chống chỉ định metformin", SubjectScope.HUMAN, QueryIntent.FACT_LOOKUP
)
assert out.smalltalk is False
assert out.answer == "Quá mẫn với metformin."
assert out.grounded is not None
def test_followup_inherits_drug_and_names_it_and_rewrites_query():
answers = FakeAnswers(
"Ở trẻ em điều chỉnh theo cân nặng.",
"Ở trẻ em, liều metformin điều chỉnh theo cân nặng.",
)
svc = _service(answers)
svc.answer("c3", "chống chỉ định metformin", SubjectScope.HUMAN, QueryIntent.FACT_LOOKUP)
out = svc.answer("c3", "còn trẻ em thì sao?", SubjectScope.HUMAN, QueryIntent.FACT_LOOKUP)
assert out.inherited_drug == "metformin"
assert out.answer.startswith("Về metformin:")
# The follow-up was rewritten self-contained before hitting the engine.
assert "metformin" in answers.calls[-1]
# State carried the drug forward.
assert svc._store.load("c3").focus.drug_id == "metformin"
def test_no_close_drug_reports_not_supported():
answers = FakeAnswers("x", "x")
svc = _service(answers) # catalog holds only metformin
out = svc.answer("c4", "cái này thế nào?", SubjectScope.HUMAN, QueryIntent.FACT_LOOKUP)
assert out.answer is None
assert out.clarification is not None
# Nothing close to a real drug: honest "not in the formulary", not a guess.
assert out.clarification.reason == "drug_not_supported"
assert answers.calls == []
def test_typo_offers_did_you_mean_not_silent_resolution():
answers = FakeAnswers("x", "x")
svc = _service(answers) # catalog holds only metformin
out = svc.answer("c5", "metformim", SubjectScope.HUMAN, QueryIntent.FACT_LOOKUP)
# A near-miss is asked about, never auto-resolved on a similarity threshold.
assert out.answer is None
assert out.clarification is not None
assert out.clarification.reason == "did_you_mean"
assert "Metformin" in out.clarification.options
assert answers.calls == []