from lxml import etree
from app.domain.site import SiteUtils
from app.foundation.dom import DomUtils
from app.sdk.string import StringUtils
def test_dom_child_element_check_preserves_existing_semantics():
"""DOM 基础判断应区分空树和至少包含一个子元素的树。"""
empty_tree = etree.HTML("")
populated_tree = etree.HTML("")
assert DomUtils.has_child_elements(None) is False
assert DomUtils.has_child_elements(empty_tree) is False
assert DomUtils.has_child_elements(populated_tree) is True
def test_plugin_string_facade_delegates_to_dom_primitive():
"""存量 StringUtils 调用应继续获得与 DOM 原语一致的结果。"""
html = etree.HTML("")
assert StringUtils.is_valid_html_element(html) is DomUtils.has_child_elements(html)
def test_site_login_state_is_derived_from_html_markers():
"""站点登录规则应识别退出入口并拒绝密码登录页。"""
logged_in_html = '退出'
login_form_html = ''
assert SiteUtils.is_logged_in(logged_in_html) is True
assert SiteUtils.is_logged_in(login_form_html) is False
assert SiteUtils.is_logged_in("") is False
def test_site_checkin_state_is_derived_from_html_markers():
"""站点签到规则应把仍存在签到入口的页面识别为未签到。"""
pending_html = '签到'
completed_html = '退出'
assert SiteUtils.is_checkin(pending_html) is False
assert SiteUtils.is_checkin(completed_html) is True
assert SiteUtils.is_checkin("") is False