scrapy/tests/test_spiderstate.py

53 lines
1.3 KiB
Python

from __future__ import annotations
from datetime import datetime, timezone
from typing import TYPE_CHECKING
import pytest
from scrapy.exceptions import NotConfigured
from scrapy.extensions.spiderstate import SpiderState
from scrapy.spiders import Spider
from scrapy.utils.test import get_crawler
if TYPE_CHECKING:
from pathlib import Path
def test_store_load(tmp_path: Path) -> None:
jobdir = str(tmp_path)
spider = Spider(name="default")
dt = datetime.now(tz=timezone.utc)
ss = SpiderState(jobdir)
ss.spider_opened(spider)
assert hasattr(spider, "state")
spider.state["one"] = 1
spider.state["dt"] = dt
ss.spider_closed(spider)
spider2 = Spider(name="default")
ss2 = SpiderState(jobdir)
ss2.spider_opened(spider2)
assert hasattr(spider2, "state")
assert spider2.state == {"one": 1, "dt": dt}
ss2.spider_closed(spider2)
def test_state_attribute() -> None:
# state attribute must be present if jobdir is not set, to provide a
# consistent interface
spider = Spider(name="default")
ss = SpiderState()
ss.spider_opened(spider)
assert hasattr(spider, "state")
assert spider.state == {}
ss.spider_closed(spider)
def test_not_configured() -> None:
crawler = get_crawler(Spider)
with pytest.raises(NotConfigured):
SpiderState.from_crawler(crawler)