Files
resume-agent/backend/tests/test_llm_services.py
T
2026-07-20 14:48:41 +08:00

278 lines
9.5 KiB
Python

from __future__ import annotations
import json
from types import SimpleNamespace
from typing import Any
from app.llm_services import (
AnchorExtractionOutput,
OpenAICompatibleStructuredClient,
OpenAIExperienceExtractor,
OpenAIResumeRewriter,
)
from app.main import create_app
from app.settings import Settings, load_settings
class FakeCompletions:
def __init__(self, responses: list[str | Exception]) -> None:
self.responses = list(responses)
self.calls: list[dict[str, Any]] = []
def create(self, **kwargs: Any) -> Any:
self.calls.append(kwargs)
response = self.responses.pop(0)
if isinstance(response, Exception):
raise response
message = SimpleNamespace(content=response, parsed=None, refusal=None)
return SimpleNamespace(choices=[SimpleNamespace(message=message)])
class FakeOpenAI:
def __init__(self, responses: list[str | Exception]) -> None:
self.completions = FakeCompletions(responses)
self.chat = SimpleNamespace(completions=self.completions)
def llm_settings(**overrides: Any) -> Settings:
values: dict[str, Any] = {
"llm_provider": "openai",
"openai_api_key": "test-key-not-a-secret",
"openai_base_url": "https://example.test/v1",
"openai_model": "test-model",
"openai_timeout_seconds": 12.0,
"openai_max_retries": 2,
"structured_output_retries": 1,
"structured_output_mode": "json_schema",
"fallback_to_rules": False,
}
values.update(overrides)
return Settings(**values)
def anchor_response() -> str:
return json.dumps(
{
"record_type": "work_experience",
"field_updates": {
"school": None,
"major": None,
"degree": None,
"company": "星河科技有限公司",
"position": "产品经理",
"project_name": None,
"project_role": None,
"start_date": "2022-03",
"end_date_or_present": "present",
},
"evidence_spans": [
{"field": "company", "quote": "星河科技有限公司"},
{"field": "position", "quote": "产品经理"},
{"field": "start_date", "quote": "2022年3月"},
{"field": "end_date_or_present", "quote": "至今"},
],
"ambiguities": [],
},
ensure_ascii=False,
)
def test_anchor_extraction_retries_validates_and_redacts_phone() -> None:
fake = FakeOpenAI(["not-json", anchor_response()])
completion = OpenAICompatibleStructuredClient(llm_settings(), fake)
extractor = OpenAIExperienceExtractor(completion)
patch = extractor.extract_anchor(
"我从2022年3月至今在星河科技有限公司担任产品经理,电话13800138000",
"work_experience",
["company", "position", "start_date", "end_date_or_present"],
)
assert patch == {
"company": "星河科技有限公司",
"position": "产品经理",
"start_date": "2022-03",
"end_date_or_present": "present",
}
assert len(fake.completions.calls) == 2
call = fake.completions.calls[-1]
assert call["model"] == "test-model"
assert call["timeout"] == 12.0
assert call["response_format"]["type"] == "json_schema"
serialized_messages = json.dumps(call["messages"], ensure_ascii=False)
assert "13800138000" not in serialized_messages
assert "[手机号已脱敏]" in serialized_messages
def test_experience_extraction_uses_pydantic_and_exact_evidence() -> None:
response = json.dumps(
{
"title": "后端工程师",
"organization": "星河科技",
"role": "后端工程师",
"highlights": ["优化接口耗时,降低30%"],
"metrics": ["30%", "99%"],
"confidence": 0.93,
"evidence_spans": [
{"field": "organization", "quote": "星河科技"},
{"field": "role", "quote": "后端工程师"},
{"field": "highlights", "quote": "优化接口耗时,降低30%"},
],
"ambiguities": [],
},
ensure_ascii=False,
)
extractor = OpenAIExperienceExtractor(
OpenAICompatibleStructuredClient(llm_settings(), FakeOpenAI([response]))
)
result = extractor.extract("在星河科技担任后端工程师,优化接口耗时,降低30%")
assert result.organization == "星河科技"
assert result.highlights == ["优化接口耗时,降低30%"]
assert result.metrics == ["30%"]
assert result.confidence == 0.95
def test_sdk_boundary_redacts_email_wechat_and_split_phone() -> None:
fake = FakeOpenAI([anchor_response()])
completion = OpenAICompatibleStructuredClient(llm_settings(), fake)
completion.complete(
schema=AnchorExtractionOutput,
schema_name="resume_anchor_extraction",
system_prompt="extract",
payload={
"user_text": (
"手机 138-0013-8000,邮箱 user@example.com,微信号: resume_helper"
)
},
)
request_text = json.dumps(fake.completions.calls[0]["messages"], ensure_ascii=False)
assert "138-0013-8000" not in request_text
assert "user@example.com" not in request_text
assert "resume_helper" not in request_text
assert "[手机号已脱敏]" in request_text
assert "[邮箱已脱敏]" in request_text
assert "[微信号已脱敏]" in request_text
def test_json_object_mode_includes_the_pydantic_schema() -> None:
fake = FakeOpenAI([anchor_response()])
settings = llm_settings(structured_output_mode="json_object")
completion = OpenAICompatibleStructuredClient(settings, fake)
completion.complete(
schema=AnchorExtractionOutput,
schema_name="resume_anchor_extraction",
system_prompt="提取事实。",
payload={"user_text": "在星河科技担任产品经理"},
)
call = fake.completions.calls[0]
assert call["response_format"] == {"type": "json_object"}
assert "output_json_schema" in call["messages"][1]["content"]
assert "只返回" in call["messages"][0]["content"]
def test_rewriter_sends_allow_listed_facts_and_rejects_new_numbers() -> None:
response = json.dumps(
{
"items": [
{
"source_id": "experience_0",
"bullets": [
{
"text": "优化接口性能,将接口耗时降低30%",
"evidence": ["优化接口耗时,降低30%"],
},
{
"text": "支持100万用户稳定访问",
"evidence": ["优化接口耗时,降低30%"],
},
],
}
]
},
ensure_ascii=False,
)
fake = FakeOpenAI([response])
rewriter = OpenAIResumeRewriter(
OpenAICompatibleStructuredClient(llm_settings(), fake)
)
profile = {
"name": "张三",
"phone": "13800138000",
"account_phone": "13900139000",
"phone_source": "manual",
"metadata": {"private_note": "never-send-this"},
"job_type": "social",
"anchor_type": "work_experience",
"anchor": {
"company": "星河科技",
"position": "后端工程师",
"start_date": "2022-01",
"end_date_or_present": "present",
},
"experiences": [
{
"raw_text": "联系电话13800138000",
"title": "后端工程师",
"organization": "星河科技",
"role": "后端工程师",
"highlights": ["优化接口耗时,降低30%"],
"metrics": ["30%"],
"confidence": 0.9,
}
],
}
resume = rewriter.rewrite(profile)
assert resume["basics"]["masked_phone"] == "138****8000"
item = resume["sections"][1]["items"][0]
assert item["resume_bullets"] == ["优化接口性能,将接口耗时降低30%"]
request_text = json.dumps(fake.completions.calls[0]["messages"], ensure_ascii=False)
assert "13800138000" not in request_text
assert "13900139000" not in request_text
assert "never-send-this" not in request_text
assert "张三" not in request_text
def test_settings_load_dotenv_and_create_app_wires_openai_defaults(
tmp_path, monkeypatch
) -> None:
env_file = tmp_path / ".env"
env_file.write_text(
"\n".join(
[
"RESUME_AGENT_LLM_PROVIDER=openai",
"OPENAI_API_KEY=dummy-key",
"OPENAI_BASE_URL=https://gateway.test",
"OPENAI_MODEL=test-model",
"RESUME_AGENT_LLM_FALLBACK_TO_RULES=false",
]
),
encoding="utf-8",
)
for name in (
"RESUME_AGENT_LLM_PROVIDER",
"OPENAI_API_KEY",
"OPENAI_BASE_URL",
"OPENAI_MODEL",
"RESUME_AGENT_LLM_FALLBACK_TO_RULES",
):
monkeypatch.delenv(name, raising=False)
settings = load_settings(env_file)
fake = FakeOpenAI([anchor_response()])
application = create_app(
database_path=tmp_path / "llm.db",
settings=settings,
openai_client=fake,
)
assert isinstance(application.state.resume_agent.extractor, OpenAIExperienceExtractor)
assert settings.openai_base_url == "https://gateway.test"
assert "dummy-key" not in repr(settings)