feat(qqpush): 浏览器长图渲染公告

tests/test_danding_qqpush_article_render.py

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+import importlib.util
+import sys
+import types
+from pathlib import Path
+
+
+def load_article_renderer(monkeypatch):
+	"""加载纯 HTML 构建逻辑，避免测试中启动 Chromium。"""
+	pyppeteer = types.ModuleType("pyppeteer")
+	pyppeteer.launch = None
+	monkeypatch.setitem(sys.modules, "pyppeteer", pyppeteer)
+
+	path = Path(__file__).resolve().parents[1] / "danding_bot" / "plugins" / "danding_qqpush" / "article_render.py"
+	spec = importlib.util.spec_from_file_location("danding_qqpush_article_render", path)
+	module = importlib.util.module_from_spec(spec)
+	spec.loader.exec_module(module)
+	return module
+
+
+def test_article_document_preserves_layout_and_removes_script(monkeypatch):
+	module = load_article_renderer(monkeypatch)
+
+	document = module.build_article_document(
+		"<p>第一段</p><script>alert('xss')</script><p><strong>第二段</strong></p>",
+		"公告 <标题>",
+		"2026-07-30 20:27",
+	)
+
+	assert "<p>第一段</p>" in document
+	assert "<strong>第二段</strong>" in document
+	assert "<script>" not in document
+	assert "公告 &lt;标题&gt;" in document
+	assert "发布时间：2026-07-30 20:27" in document
+
+
+def test_article_document_uses_safe_text_fallback_without_bleach(monkeypatch):
+	module = load_article_renderer(monkeypatch)
+	monkeypatch.setattr(module, "bleach", None)
+
+	document = module.build_article_document("<p>第一段</p><script>alert('xss')</script><p>第二段</p>", "标题", None)
+
+	assert "<script>" not in document
+	assert "alert" not in document
+	assert "第一段<br>第二段" in document