583 lines
24 KiB
Python
583 lines
24 KiB
Python
import importlib
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import tempfile
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import unittest
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from pathlib import Path
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from unittest import mock
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class FakeResponse:
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def __init__(self, body, raw_body):
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self.body = body
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self.raw_body = raw_body
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class FakeDownloadResponse:
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def __init__(self, content: bytes, content_type: str = "video/mp4", status_code: int = 200):
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self.content = content
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self.headers = {"content-type": content_type}
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self.status_code = status_code
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def raise_for_status(self) -> None:
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if self.status_code >= 400:
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raise RuntimeError(f"HTTP {self.status_code}")
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class FakeRequests:
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def __init__(self, response: FakeDownloadResponse):
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self.response = response
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def get(self, video_url, headers, timeout):
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return self.response
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class FakeScrollPage:
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def __init__(self):
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self.scripts = []
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def run_js(self, script):
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self.scripts.append(script)
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class FakeLinkPage:
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def __init__(self, links):
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self.links = links
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self.scripts = []
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def run_js(self, script):
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self.scripts.append(script)
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return self.links
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class FakeDelayedLinkPage:
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def __init__(self):
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self.calls = 0
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def run_js(self, script):
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self.calls += 1
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if self.calls == 1:
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return []
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return ["https://www.xiaohongshu.com/search_result/abc?xsec_token=token"]
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class FakeGrowingLinkPage:
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def __init__(self):
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self.collect_calls = 0
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def run_js(self, script):
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if "querySelectorAll" not in script:
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return None
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self.collect_calls += 1
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if self.collect_calls == 1:
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return ["https://www.xiaohongshu.com/search_result/one?xsec_token=token1"]
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return [
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"https://www.xiaohongshu.com/search_result/one?xsec_token=token1",
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"https://www.xiaohongshu.com/search_result/two?xsec_token=token2",
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]
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class FakeVideoOnlyLinkPage:
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def __init__(self):
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self.scripts = []
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def run_js(self, script):
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self.scripts.append(script)
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if "play-icon" in script:
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return ["https://www.xiaohongshu.com/search_result/video?xsec_token=video-token"]
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return [
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"https://www.xiaohongshu.com/search_result/image?xsec_token=image-token",
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"https://www.xiaohongshu.com/search_result/video?xsec_token=video-token",
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]
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class XhsModuleTests(unittest.TestCase):
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def test_module_can_import_without_optional_runtime_dependencies(self) -> None:
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module = importlib.import_module("XHS")
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self.assertIsNotNone(module)
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def test_sanitize_filename_removes_invalid_characters(self) -> None:
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module = importlib.import_module("XHS")
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self.assertEqual(
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module.sanitize_filename('a/b:c*?d"e<f>g|h\n'),
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"a_b_c__d_e_f_g_h",
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)
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def test_truncate_utf8_bytes_keeps_valid_utf8(self) -> None:
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module = importlib.import_module("XHS")
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result = module.truncate_utf8_bytes("测试标题" * 20, 20)
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self.assertLessEqual(len(result.encode("utf-8")), 20)
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result.encode("utf-8")
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def test_choose_video_url_prefers_master_url(self) -> None:
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module = importlib.import_module("XHS")
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candidates = [
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module.VideoCandidate(
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video_id="note-1",
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title="标题",
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video_url="https://example.com/backup.mp4",
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author_name="作者",
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source_key="backup_urls",
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),
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module.VideoCandidate(
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video_id="note-1",
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title="标题",
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video_url="https://sns-video.xhscdn.com/master.mp4",
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author_name="作者",
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source_key="master_url",
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),
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]
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self.assertEqual(module.choose_video_candidate(candidates).video_url, "https://sns-video.xhscdn.com/master.mp4")
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def test_group_video_candidates_keeps_one_preferred_candidate_per_video_id(self) -> None:
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module = importlib.import_module("XHS")
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candidates = [
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module.VideoCandidate("note-1", "标题", "https://example.com/backup.mp4", "作者", "backup_urls"),
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module.VideoCandidate("note-1", "标题", "https://example.com/master.mp4", "作者", "master_url"),
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module.VideoCandidate("note-2", "标题2", "https://example.com/two.mp4", "作者", "master_url"),
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]
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grouped = module.group_video_candidates(candidates)
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self.assertEqual([item.video_id for item in grouped], ["note-1", "note-2"])
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self.assertEqual(grouped[0].video_url, "https://example.com/master.mp4")
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def test_extract_video_candidates_from_nested_feed_payload(self) -> None:
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module = importlib.import_module("XHS")
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payload = {
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"data": {
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"items": [
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{
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"id": "note123",
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"note_card": {
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"display_title": "海边日落",
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"user": {"nickname": "摄影师"},
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"video": {
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"media": {
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"stream": {
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"h264": [
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{
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"master_url": "https://sns-video.xhscdn.com/stream/a.mp4?sign=1",
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"backup_urls": [
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"https://sns-video.xhscdn.com/stream/a-backup.mp4?sign=1"
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],
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}
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]
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}
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}
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},
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},
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}
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]
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}
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}
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candidates = module.extract_video_candidates(payload)
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self.assertEqual(len(candidates), 2)
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self.assertEqual(candidates[0].video_id, "note123")
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self.assertEqual(candidates[0].title, "海边日落")
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self.assertEqual(candidates[0].author_name, "摄影师")
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self.assertEqual(candidates[0].source_key, "master_url")
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def test_extract_video_candidates_ignores_plain_image_url_fields(self) -> None:
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module = importlib.import_module("XHS")
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payload = {
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"id": "note-image",
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"display_title": "图片笔记",
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"user": {"nickname": "作者"},
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"image_list": [
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{"url": "https://sns-img.xhscdn.com/example.webp"},
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{"url": "https://sns-img.xhscdn.com/example.jpg"},
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],
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}
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self.assertEqual(module.extract_video_candidates(payload), [])
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def test_extract_video_candidates_from_escaped_html_state(self) -> None:
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module = importlib.import_module("XHS")
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html = (
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'<script>{"display_title":"视频标题","nickname":"作者",'
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r'\"master_url\":\"http:\/\/sns-video-qc.xhscdn.com\/stream\/a.mp4?sign=1&t=2\"'
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'}</script>'
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)
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candidates = module.extract_video_candidates_from_html(html, video_id="note123")
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self.assertEqual(len(candidates), 1)
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self.assertEqual(candidates[0].video_id, "note123")
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self.assertEqual(candidates[0].video_url, "http://sns-video-qc.xhscdn.com/stream/a.mp4?sign=1&t=2")
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self.assertEqual(candidates[0].source_key, "html_master_url")
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def test_build_output_path_uses_author_title_and_video_id(self) -> None:
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module = importlib.import_module("XHS")
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candidate = module.VideoCandidate(
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video_id="note123",
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title="海边日落",
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video_url="https://sns-video.xhscdn.com/a.mp4",
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author_name="摄影师",
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source_key="master_url",
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)
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output_path = module.build_output_path(candidate)
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self.assertEqual(output_path.as_posix(), "video/[摄影师]海边日落-note123.mp4")
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def test_build_browser_address_from_port(self) -> None:
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module = importlib.import_module("XHS")
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self.assertEqual(module.build_browser_address(9223), "127.0.0.1:9223")
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self.assertIsNone(module.build_browser_address(None))
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def test_ensure_browser_debug_port_ready_accepts_open_port(self) -> None:
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module = importlib.import_module("XHS")
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connection = mock.MagicMock()
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connection.__enter__.return_value = connection
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connection.__exit__.return_value = False
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with mock.patch.object(module.socket, "create_connection", return_value=connection) as mocked_connect:
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module.ensure_browser_debug_port_ready(9223)
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mocked_connect.assert_called_once()
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def test_ensure_browser_debug_port_ready_rejects_closed_port(self) -> None:
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module = importlib.import_module("XHS")
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with mock.patch.object(module.socket, "create_connection", side_effect=OSError("boom")):
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with self.assertRaisesRegex(RuntimeError, "login_xhs.py"):
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module.ensure_browser_debug_port_ready(9223)
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def test_extract_feed_payload_uses_dict_body(self) -> None:
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module = importlib.import_module("XHS")
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response = FakeResponse({"data": {"items": []}}, "")
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self.assertEqual(module.extract_feed_payload(response), {"data": {"items": []}})
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def test_extract_feed_payload_falls_back_to_raw_json(self) -> None:
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module = importlib.import_module("XHS")
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response = FakeResponse("", '{"data": {"items": [{"id": "1"}]}}')
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self.assertEqual(
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module.extract_feed_payload(response),
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{"data": {"items": [{"id": "1"}]}},
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)
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def test_build_parser_uses_expected_defaults(self) -> None:
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module = importlib.import_module("XHS")
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args = module.build_parser().parse_args([])
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self.assertEqual(args.max_videos, 10)
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self.assertEqual(args.output_dir, "video")
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self.assertEqual(args.browser_port, 9223)
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self.assertEqual(args.timeout, 20)
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self.assertEqual(args.start_url, module.DEFAULT_EXPLORE_URL)
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self.assertFalse(args.use_current_page)
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self.assertTrue(args.human_mode)
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self.assertEqual(args.min_wait, 2.0)
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self.assertEqual(args.max_wait, 6.0)
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self.assertEqual(args.long_break_every, 4)
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self.assertEqual(args.max_runtime, 0.0)
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self.assertEqual(args.source, "explore")
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self.assertIsNone(args.queue_file)
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self.assertEqual(args.target_videos, 0)
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self.assertEqual(args.retry_limit, 1)
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def test_main_invokes_collect_videos_with_cli_values(self) -> None:
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module = importlib.import_module("XHS")
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with mock.patch.object(module, "collect_videos", return_value=3) as mocked_collect:
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exit_code = module.main(
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[
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"--max-videos",
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"3",
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"--output-dir",
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"downloads",
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"--browser-port",
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"9334",
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"--timeout",
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"7",
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"--start-url",
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"https://www.xiaohongshu.com/explore",
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]
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)
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self.assertEqual(exit_code, 0)
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mocked_collect.assert_called_once()
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_, kwargs = mocked_collect.call_args
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self.assertEqual(kwargs["max_videos"], 3)
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self.assertEqual(kwargs["output_dir"].as_posix(), "downloads")
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self.assertEqual(kwargs["browser_port"], 9334)
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self.assertEqual(kwargs["timeout"], 7)
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self.assertFalse(kwargs["use_current_page"])
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self.assertTrue(kwargs["human_mode"])
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def test_build_source_url_supports_video_channel_and_explore(self) -> None:
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module = importlib.import_module("XHS")
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self.assertEqual(module.build_source_url("explore"), module.DEFAULT_EXPLORE_URL)
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self.assertEqual(
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module.build_source_url("video-channel"),
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"https://www.xiaohongshu.com/explore?channel_id=video",
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)
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def test_build_source_url_supports_encoded_search_keyword(self) -> None:
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module = importlib.import_module("XHS")
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self.assertEqual(
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module.build_source_url("search", keyword="猫咪 搞笑"),
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"https://www.xiaohongshu.com/search_result?keyword=%E7%8C%AB%E5%92%AA%20%E6%90%9E%E7%AC%91&source=web_search_result_notes&type=51",
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)
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def test_main_invokes_queue_mode_when_queue_file_is_provided(self) -> None:
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module = importlib.import_module("XHS")
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with mock.patch.object(module, "run_queue_download", return_value=5) as mocked_run:
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exit_code = module.main(
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[
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"--source",
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"video-channel",
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"--target-videos",
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"1000",
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"--queue-file",
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"data/q.jsonl",
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"--retry-limit",
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"2",
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"--keyword",
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"猫咪",
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]
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)
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self.assertEqual(exit_code, 0)
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mocked_run.assert_called_once()
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_, kwargs = mocked_run.call_args
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self.assertEqual(kwargs["source"], "video-channel")
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self.assertEqual(kwargs["target_videos"], 1000)
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self.assertEqual(kwargs["queue_file"].as_posix(), "data/q.jsonl")
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self.assertEqual(kwargs["retry_limit"], 2)
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self.assertEqual(kwargs["keyword"], "猫咪")
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def test_download_video_rejects_webp_response_before_writing_file(self) -> None:
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module = importlib.import_module("XHS")
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response = FakeDownloadResponse(b"RIFF....WEBP", content_type="image/webp")
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with self.assertRaisesRegex(ValueError, "非视频响应"):
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module.download_video(
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requests_module=FakeRequests(response),
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headers={},
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video_url="https://sns-img.xhscdn.com/example.webp",
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output_path=mock.MagicMock(),
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)
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def test_download_video_accepts_mp4_signature(self) -> None:
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module = importlib.import_module("XHS")
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output_path = mock.MagicMock()
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output_path.parent.mkdir = mock.MagicMock()
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output_path.write_bytes = mock.MagicMock()
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response = FakeDownloadResponse(b"\x00\x00\x00\x18ftypmp42payload", content_type="application/octet-stream")
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module.download_video(
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requests_module=FakeRequests(response),
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headers={},
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video_url="https://sns-video.xhscdn.com/example.mp4",
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output_path=output_path,
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)
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output_path.write_bytes.assert_called_once_with(b"\x00\x00\x00\x18ftypmp42payload")
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|
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def test_normalize_note_urls_deduplicates_explore_links(self) -> None:
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module = importlib.import_module("XHS")
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urls = module.normalize_note_urls(
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[
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"https://www.xiaohongshu.com/explore/abc",
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"https://www.xiaohongshu.com/explore/abc?xsec_token=token",
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"/explore/def?xsec_token=token",
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"https://www.xiaohongshu.com/user/profile/123",
|
|
]
|
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)
|
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self.assertEqual(
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urls,
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[
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"https://www.xiaohongshu.com/explore/abc?xsec_token=token",
|
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"https://www.xiaohongshu.com/explore/def?xsec_token=token",
|
|
],
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|
)
|
|
|
|
def test_normalize_note_urls_prefers_xsec_token_url_for_same_note(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
urls = module.normalize_note_urls(
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[
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"https://www.xiaohongshu.com/explore/abc",
|
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"https://www.xiaohongshu.com/explore/abc?xsec_token=token&xsec_source=",
|
|
],
|
|
)
|
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self.assertEqual(urls, ["https://www.xiaohongshu.com/explore/abc?xsec_token=token&xsec_source="])
|
|
|
|
def test_extract_note_id_from_url_supports_search_result_detail(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
self.assertEqual(
|
|
module.extract_note_id_from_url("https://www.xiaohongshu.com/search_result/abc?xsec_token=token"),
|
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"abc",
|
|
)
|
|
|
|
def test_normalize_note_urls_preserves_tokenized_search_result_url(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
urls = module.normalize_note_urls(
|
|
[
|
|
"https://www.xiaohongshu.com/explore/abc",
|
|
"https://www.xiaohongshu.com/search_result/abc?xsec_token=token&xsec_source=",
|
|
],
|
|
)
|
|
self.assertEqual(urls, ["https://www.xiaohongshu.com/search_result/abc?xsec_token=token&xsec_source="])
|
|
|
|
def test_collect_note_urls_from_page_includes_search_result_links(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
page = FakeLinkPage(
|
|
[
|
|
"https://www.xiaohongshu.com/search_result/abc?xsec_token=token",
|
|
"https://www.xiaohongshu.com/explore/def?xsec_token=token2",
|
|
]
|
|
)
|
|
urls = module.collect_note_urls_from_page(page, limit=10)
|
|
self.assertEqual(
|
|
urls,
|
|
[
|
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"https://www.xiaohongshu.com/search_result/abc?xsec_token=token",
|
|
"https://www.xiaohongshu.com/explore/def?xsec_token=token2",
|
|
],
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|
)
|
|
self.assertIn('/search_result/', page.scripts[0])
|
|
|
|
def test_collect_note_urls_from_page_can_filter_video_cards(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
page = FakeVideoOnlyLinkPage()
|
|
urls = module.collect_note_urls_from_page(page, limit=10, video_only=True)
|
|
self.assertEqual(urls, ["https://www.xiaohongshu.com/search_result/video?xsec_token=video-token"])
|
|
self.assertIn("play-icon", page.scripts[0])
|
|
|
|
def test_wait_for_note_urls_from_page_polls_until_links_are_rendered(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
page = FakeDelayedLinkPage()
|
|
with mock.patch.object(module.time, "sleep") as mocked_sleep:
|
|
urls = module.wait_for_note_urls_from_page(page, limit=10, timeout=2, interval=0.1)
|
|
self.assertEqual(urls, ["https://www.xiaohongshu.com/search_result/abc?xsec_token=token"])
|
|
mocked_sleep.assert_called_once_with(0.1)
|
|
|
|
def test_collect_note_urls_with_browse_accumulates_after_scroll(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
page = FakeGrowingLinkPage()
|
|
settings = module.HumanBrowseSettings(enabled=False)
|
|
with mock.patch.object(module, "run_human_browse_sequence") as mocked_browse:
|
|
urls = module.collect_note_urls_with_browse(page, limit=10, human_settings=settings, rounds=2)
|
|
self.assertEqual(
|
|
urls,
|
|
[
|
|
"https://www.xiaohongshu.com/search_result/one?xsec_token=token1",
|
|
"https://www.xiaohongshu.com/search_result/two?xsec_token=token2",
|
|
],
|
|
)
|
|
mocked_browse.assert_called_once()
|
|
|
|
def test_filter_unvisited_note_urls_skips_seen_note_ids(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
urls = [
|
|
"https://www.xiaohongshu.com/explore/abc?xsec_token=token",
|
|
"https://www.xiaohongshu.com/explore/def?xsec_token=token",
|
|
]
|
|
self.assertEqual(
|
|
module.filter_unvisited_note_urls(urls, {"abc"}),
|
|
["https://www.xiaohongshu.com/explore/def?xsec_token=token"],
|
|
)
|
|
|
|
def test_create_human_browse_plan_uses_wait_and_scroll_ranges(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
settings = module.HumanBrowseSettings(
|
|
min_wait=2.0,
|
|
max_wait=6.0,
|
|
reverse_scroll_probability=1.0,
|
|
min_scroll=500,
|
|
max_scroll=1200,
|
|
)
|
|
plan = module.create_human_browse_plan(settings, random_module=module.random.Random(7))
|
|
self.assertGreaterEqual(plan.primary_wait, 2.0)
|
|
self.assertLessEqual(plan.primary_wait, 6.0)
|
|
self.assertGreaterEqual(plan.down_distance, 500)
|
|
self.assertLessEqual(plan.down_distance, 1200)
|
|
self.assertGreater(plan.reverse_distance, 0)
|
|
|
|
def test_run_human_browse_sequence_scrolls_and_waits(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
page = FakeScrollPage()
|
|
plan = module.HumanBrowsePlan(
|
|
down_distance=800,
|
|
primary_wait=2.5,
|
|
reverse_distance=200,
|
|
reverse_wait=1.5,
|
|
settle_wait=3.0,
|
|
)
|
|
with mock.patch.object(module.time, "sleep") as mocked_sleep:
|
|
module.run_human_browse_sequence(page, plan)
|
|
self.assertIn("const distance = 800;", page.scripts[0])
|
|
self.assertIn("const distance = -200;", page.scripts[1])
|
|
self.assertIn("const distance = 400;", page.scripts[2])
|
|
self.assertIn("scrollBy(0, distance)", page.scripts[0])
|
|
mocked_sleep.assert_has_calls([mock.call(2.5), mock.call(1.5), mock.call(3.0)])
|
|
|
|
def test_should_take_long_break_uses_every_n_downloads(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
settings = module.HumanBrowseSettings(long_break_every=4)
|
|
self.assertFalse(module.should_take_long_break(0, settings))
|
|
self.assertFalse(module.should_take_long_break(3, settings))
|
|
self.assertTrue(module.should_take_long_break(4, settings))
|
|
self.assertTrue(module.should_take_long_break(8, settings))
|
|
|
|
def test_queue_round_trip_jsonl(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
with tempfile.TemporaryDirectory() as temp_dir:
|
|
queue_path = Path(temp_dir) / "queue.jsonl"
|
|
records = [
|
|
module.QueueRecord(
|
|
note_id="note1",
|
|
url="https://www.xiaohongshu.com/explore/note1?xsec_token=a",
|
|
source="video-channel",
|
|
)
|
|
]
|
|
module.save_queue(queue_path, records)
|
|
loaded = module.load_queue(queue_path)
|
|
self.assertEqual(loaded, records)
|
|
|
|
def test_merge_note_urls_into_queue_deduplicates_existing_notes(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
records = [
|
|
module.QueueRecord(
|
|
note_id="note1",
|
|
url="https://www.xiaohongshu.com/explore/note1?xsec_token=a",
|
|
source="explore",
|
|
status="downloaded",
|
|
)
|
|
]
|
|
merged = module.merge_note_urls_into_queue(
|
|
records,
|
|
[
|
|
"https://www.xiaohongshu.com/explore/note1?xsec_token=a",
|
|
"https://www.xiaohongshu.com/explore/note2?xsec_token=b",
|
|
],
|
|
source="video-channel",
|
|
)
|
|
self.assertEqual([record.note_id for record in merged], ["note1", "note2"])
|
|
self.assertEqual(merged[0].status, "downloaded")
|
|
self.assertEqual(merged[1].status, "pending")
|
|
|
|
def test_count_queue_status_counts_records_by_status(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
records = [
|
|
module.QueueRecord("one", "url1", "source", status="downloaded"),
|
|
module.QueueRecord("two", "url2", "source", status="failed"),
|
|
module.QueueRecord("three", "url3", "source", status="downloaded"),
|
|
]
|
|
self.assertEqual(
|
|
module.count_queue_status(records),
|
|
{"downloaded": 2, "failed": 1},
|
|
)
|
|
|
|
def test_mark_queue_record_downloaded_updates_status_and_path(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
record = module.QueueRecord("note1", "url", "source")
|
|
updated = module.mark_queue_record_downloaded(record, Path("video/a.mp4"))
|
|
self.assertEqual(updated.status, "downloaded")
|
|
self.assertEqual(updated.downloaded_path, "video/a.mp4")
|
|
self.assertEqual(updated.last_error, "")
|
|
|
|
def test_mark_queue_record_skipped_records_reason(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
record = module.QueueRecord("note1", "url", "source")
|
|
updated = module.mark_queue_record_skipped(record, "no video")
|
|
self.assertEqual(updated.status, "skipped_image")
|
|
self.assertEqual(updated.last_error, "no video")
|
|
|
|
def test_mark_queue_record_failed_respects_retry_limit(self) -> None:
|
|
module = importlib.import_module("XHS")
|
|
record = module.QueueRecord("note1", "url", "source", attempts=0)
|
|
retry = module.mark_queue_record_failed(record, "timeout", retry_limit=2)
|
|
self.assertEqual(retry.status, "pending")
|
|
self.assertEqual(retry.attempts, 1)
|
|
failed = module.mark_queue_record_failed(retry, "timeout", retry_limit=2)
|
|
self.assertEqual(failed.status, "failed")
|
|
self.assertEqual(failed.attempts, 2)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|