655 lines
24 KiB
Python
655 lines
24 KiB
Python
"""PDD 商品采集与 XML 解析测试，不连接真机。"""
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from dataclasses import dataclass
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from datetime import datetime, timezone
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from pathlib import Path
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import tempfile
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import unittest
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import xml.etree.ElementTree as ET
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from src.pdd_collect_service import (
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PddCollectError,
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PddCollectService,
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parse_goods_page,
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parse_quantity,
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parse_spec_panel,
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)
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from src.pdd_device_service import PddDeviceService
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FIXTURES = Path(__file__).parent / "fixtures"
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@dataclass(frozen=True)
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class FakeTask:
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goods_url: str
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goods_id: str | None = None
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class FakeCollectDevice:
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def __init__(self, home_xml: str, spec_xml: str):
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self.home_xml = home_xml
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self.spec_xml = spec_xml
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self.panel_open = False
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self.clicks = []
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self.swipes = []
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self.swipe_panel_states = []
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def app_current(self):
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return {"package": "com.xunmeng.pinduoduo"}
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def app_start(self, _package):
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raise AssertionError("PDD 已经在前台，不应重复启动")
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def app_wait(self, _package, timeout=10):
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return 123
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def open_url(self, url):
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self.opened_url = url
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def dump_hierarchy(self):
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return self.spec_xml if self.panel_open else self.home_xml
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def click(self, x, y):
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self.clicks.append((x, y))
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if y > 1600:
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self.panel_open = True
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def swipe(self, *args, **kwargs):
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self.swipes.append((args, kwargs))
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self.swipe_panel_states.append(self.panel_open)
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class LoadingDevice(FakeCollectDevice):
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def dump_hierarchy(self):
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return '<hierarchy><node text="正在加载" /></hierarchy>'
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class DisconnectingDevice(FakeCollectDevice):
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def __init__(self, home_xml, spec_xml):
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super().__init__(home_xml, spec_xml)
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self.current_calls = 0
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def app_current(self):
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self.current_calls += 1
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if self.current_calls > 1:
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raise RuntimeError("device not found")
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return super().app_current()
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class FocusMismatchDevice(FakeCollectDevice):
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"""系统焦点报告为设置页，但无障碍树实际属于 PDD。"""
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def app_current(self):
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return {"package": "com.oplus.wirelesssettings"}
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def app_start(self, _package):
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self.app_started = True
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class PanelDoesNotOpenDevice(FakeCollectDevice):
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def click(self, x, y):
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self.clicks.append((x, y))
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class SnakeColorDevice(FakeCollectDevice):
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"""模拟两行横向颜色网格和滚动后才出现的尺码区域。"""
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prices = {
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"A色": 1000,
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"B色": 1000,
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"C色": 1200,
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"D色": 1300,
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"E色": 1400,
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"F色": 1500,
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}
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def __init__(self, home_xml):
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super().__init__(home_xml, "")
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self.page = 1
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self.selected_color = "A色"
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self.sizes_visible = False
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self.clicked_colors = []
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def dump_hierarchy(self):
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if not self.panel_open:
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return self.home_xml
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return self._spec_xml()
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def click(self, x, y):
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self.clicks.append((x, y))
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if not self.panel_open:
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self.panel_open = True
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return
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for name, bounds in self._current_color_bounds().items():
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left, top, right, bottom = bounds
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if left <= x <= right and top <= y <= bottom:
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self.selected_color = name
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self.clicked_colors.append(name)
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return
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def swipe(self, x1, y1, x2, y2, duration=0.35):
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self.swipes.append(((x1, y1, x2, y2), {"duration": duration}))
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self.swipe_panel_states.append(self.panel_open)
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if abs(x2 - x1) > abs(y2 - y1):
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self.page = 1 if x1 > x2 else 0
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else:
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self.sizes_visible = True
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def _current_color_bounds(self):
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if self.page == 0:
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return {
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"A色": (36, 740, 340, 850),
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"B色": (370, 740, 674, 850),
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"C色": (1044, 740, 1080, 850),
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"D色": (36, 900, 340, 1010),
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"E色": (370, 900, 674, 1010),
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"F色": (1044, 900, 1080, 1010),
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}
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return {
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"A色": (0, 740, 20, 850),
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"B色": (36, 740, 340, 850),
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"C色": (370, 740, 674, 850),
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"D色": (0, 900, 20, 1010),
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"E色": (36, 900, 340, 1010),
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"F色": (370, 900, 674, 1010),
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}
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def _spec_xml(self):
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color_nodes = []
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for name, bounds in self._current_color_bounds().items():
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left, top, right, bottom = bounds
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selected = "true" if name == self.selected_color else "false"
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color_nodes.append(
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f'<node class="android.view.ViewGroup" content-desc="{name}" '
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f'clickable="true" selected="{selected}" '
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f'bounds="[{left},{top}][{right},{bottom}]" '
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'visible-to-user="true" enabled="true" />'
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)
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size_nodes = ""
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if self.sizes_visible:
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size_nodes = """
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<node class="android.widget.TextView" text="尺码"
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bounds="[36,1120][130,1180]" visible-to-user="true"
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enabled="true" />
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<node class="android.view.ViewGroup" content-desc="M"
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clickable="true" bounds="[36,1210][340,1300]"
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visible-to-user="true" enabled="true" />
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<node class="android.view.ViewGroup" content-desc="L"
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clickable="true" bounds="[370,1210][674,1300]"
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visible-to-user="true" enabled="true" />
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"""
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price = self.prices[self.selected_color] / 100
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return f"""<hierarchy>
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<node class="android.widget.FrameLayout" bounds="[0,0][1080,2000]"
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visible-to-user="true" enabled="true">
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<node class="android.widget.TextView" text="¥{price:.2f}"
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bounds="[390,300][650,380]" visible-to-user="true"
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enabled="true" />
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<node class="androidx.recyclerview.widget.RecyclerView"
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scrollable="true" bounds="[0,600][1080,1700]"
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visible-to-user="true" enabled="true">
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<node class="android.widget.TextView" text="颜色分类"
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bounds="[36,650][200,710]" visible-to-user="true"
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enabled="true" />
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<node class="androidx.recyclerview.widget.RecyclerView"
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scrollable="true" bounds="[36,720][1044,1060]"
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visible-to-user="true" enabled="true">
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{''.join(color_nodes)}
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</node>
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{size_nodes}
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</node>
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</node>
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</hierarchy>"""
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class IgnoredColorClickDevice(SnakeColorDevice):
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"""页面暴露选中状态，但模拟一次没有生效的颜色点击。"""
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def click(self, x, y):
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if not self.panel_open:
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super().click(x, y)
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return
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self.clicks.append((x, y))
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def keep_only_one_sku(xml_data: str) -> str:
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"""从脱敏固件中删除蓝色和 L，只保留一个组合。"""
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root = ET.fromstring(xml_data)
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for parent in root.iter():
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for child in list(parent):
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own_label = (
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child.get("text") or child.get("content-desc") or ""
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).strip()
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labels = " ".join(
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(node.get("text") or node.get("content-desc") or "").strip()
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for node in child.iter("node")
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)
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if own_label == "蓝色" or labels.strip() == "L":
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parent.remove(child)
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return ET.tostring(root, encoding="unicode")
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class PddCollectParserTest(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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cls.home_xml = (FIXTURES / "pdd_goods_page.xml").read_text(encoding="utf-8")
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cls.spec_xml = (FIXTURES / "pdd_spec_panel.xml").read_text(encoding="utf-8")
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def test_quantity_keeps_raw_value_and_approximate_flag(self):
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result = parse_quantity("已拼1.2万+件")
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self.assertEqual(result.value, 12000)
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self.assertEqual(result.raw, "已拼1.2万+件")
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self.assertTrue(result.approximate)
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def test_parse_goods_page(self):
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result = parse_goods_page(self.home_xml)
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self.assertEqual(result.title, "测试纯棉短袖商品")
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self.assertEqual(result.shop_name, "测试服饰旗舰店")
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self.assertEqual(result.sales.value, 12000)
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self.assertTrue(result.sales.approximate)
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self.assertEqual(result.reviews.value, 2356)
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def test_parse_spec_panel_uses_generic_dimensions_and_cents(self):
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result = parse_spec_panel(self.spec_xml)
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self.assertEqual(result.price_cent, 1000)
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self.assertEqual([item.key for item in result.dimensions], ["color", "size"])
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self.assertEqual(
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[value.text for value in result.dimensions[0].values],
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["红色", "蓝色"],
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)
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self.assertFalse(result.dimensions[0].values[1].available)
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self.assertEqual(
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[value.text for value in result.dimensions[1].values],
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["M", "L"],
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)
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def test_truncated_spec_name_prefers_full_content_description(self):
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xml_data = self.spec_xml.replace(
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'content-desc="红色" clickable="true"',
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'text="红…" content-desc="红色" clickable="true"',
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)
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result = parse_spec_panel(xml_data)
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self.assertEqual(result.dimensions[0].values[0].text, "红色")
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without_description = xml_data.replace(' content-desc="红色"', "")
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with self.assertRaises(PddCollectError) as raised:
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parse_spec_panel(without_description)
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self.assertEqual(raised.exception.code, "PDD_DATA_SKU_NAME_TRUNCATED")
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def test_login_and_invalid_xml_have_different_error_codes(self):
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with self.assertRaises(PddCollectError) as login:
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parse_goods_page('<hierarchy><node text="手机号登录" /></hierarchy>')
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with self.assertRaises(PddCollectError) as invalid:
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parse_goods_page("<hierarchy>")
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self.assertEqual(login.exception.code, "PDD_PAGE_LOGIN_REQUIRED")
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self.assertEqual(invalid.exception.code, "PDD_DATA_XML_INVALID")
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def test_captcha_and_incomplete_spec_have_specific_codes(self):
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with self.assertRaises(PddCollectError) as captcha:
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parse_goods_page('<hierarchy><node text="请完成验证" /></hierarchy>')
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with self.assertRaises(PddCollectError) as incomplete:
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parse_spec_panel('<hierarchy><node text="普通页面" /></hierarchy>')
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self.assertEqual(captcha.exception.code, "PDD_PAGE_CAPTCHA")
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self.assertEqual(incomplete.exception.code, "PDD_DATA_SPEC_INCOMPLETE")
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def test_collect_returns_versioned_pdd_data_without_real_device(self):
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# 收窄到一个可用组合，便于验证完整流程而不模拟真实页面切换。
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one_sku_xml = keep_only_one_sku(self.spec_xml)
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device = FakeCollectDevice(self.home_xml, one_sku_xml)
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service = PddCollectService(
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PddDeviceService(lambda _serial: device),
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"USB-001",
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"client-001",
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sleeper=lambda _seconds: None,
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now=lambda: datetime(2026, 8, 7, 8, 0, tzinfo=timezone.utc),
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max_spec_swipes=1,
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)
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result = service.collect(
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FakeTask("https://mobile.yangkeduo.com/goods.html?goods_id=123")
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)
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data = result.to_pdd_data()
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self.assertEqual(data["schema_version"], 1)
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self.assertEqual(data["goods_id"], "123")
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self.assertEqual(data["title"], "测试纯棉短袖商品")
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self.assertEqual(data["shop_name"], "测试服饰旗舰店")
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self.assertEqual(data["price_granularity"], "color")
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self.assertEqual(data["metrics"]["sales"]["value"], 12000)
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self.assertEqual(data["dimensions"][0]["key"], "color")
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self.assertEqual(data["skus"][0]["options"], {"color": "红色", "size": "M"})
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self.assertEqual(data["skus"][0]["price_cent"], 1000)
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self.assertEqual(
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data["skus"][0]["price_observed_at"],
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{"color": "红色"},
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)
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self.assertEqual(data["source"]["device_address"], "USB-001")
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self.assertIsNone(data["purchase"])
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def test_pdd_hierarchy_is_ready_even_when_focused_package_is_settings(self):
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pdd_home_xml = self.home_xml.replace(
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"<node ", '<node package="com.xunmeng.pinduoduo" '
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)
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device = FocusMismatchDevice(
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pdd_home_xml, keep_only_one_sku(self.spec_xml)
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)
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service = PddCollectService(
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PddDeviceService(lambda _serial: device),
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"USB-001",
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"client-001",
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sleeper=lambda _seconds: None,
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max_spec_swipes=0,
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)
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result = service.collect(
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FakeTask("https://mobile.yangkeduo.com/goods.html?goods_id=123")
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)
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self.assertEqual(result.goods_id, "123")
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self.assertTrue(device.app_started)
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def test_price_is_sampled_once_per_available_color(self):
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device = FakeCollectDevice(self.home_xml, self.spec_xml)
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service = PddCollectService(
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PddDeviceService(lambda _serial: device),
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"USB-001",
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"client-001",
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sleeper=lambda _seconds: None,
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max_spec_swipes=0,
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)
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data = service.collect(
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FakeTask("https://mobile.yangkeduo.com/goods.html?goods_id=123")
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).to_pdd_data()
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self.assertEqual(len(data["skus"]), 4)
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red_skus = [
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item for item in data["skus"] if item["options"]["color"] == "红色"
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]
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self.assertEqual(
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{item["price_observed_at"]["color"] for item in red_skus},
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{"红色"},
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)
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self.assertTrue(
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all(
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set(item["price_observed_at"]) == {"color"}
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for item in red_skus
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)
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)
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# 1 次打开规格面板，另有红色点 1 次；尺码只读不点击。
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self.assertEqual(len(device.clicks), 2)
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def test_colors_are_sampled_in_snake_order_before_sizes_are_read(self):
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device = SnakeColorDevice(self.home_xml)
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service = PddCollectService(
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PddDeviceService(lambda _serial: device),
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"USB-001",
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"client-001",
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sleeper=lambda _seconds: None,
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)
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data = service.collect(
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FakeTask("https://mobile.yangkeduo.com/goods.html?goods_id=123")
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).to_pdd_data()
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self.assertEqual(
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device.clicked_colors,
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["A色", "B色", "C色", "F色", "E色", "D色"],
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)
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self.assertEqual(
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[item["text"] for item in data["dimensions"][0]["values"]],
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["A色", "B色", "C色", "D色", "E色", "F色"],
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)
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self.assertEqual(
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[item["text"] for item in data["dimensions"][1]["values"]],
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["M", "L"],
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)
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color_prices = {
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item["options"]["color"]: item["price_cent"]
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for item in data["skus"]
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if item["options"]["size"] == "M"
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}
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self.assertEqual(color_prices["A色"], 1000)
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self.assertEqual(color_prices["B色"], 1000)
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self.assertEqual(color_prices["F色"], 1500)
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self.assertTrue(all(
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item["price_observed_at"] == {"color": item["options"]["color"]}
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for item in data["skus"]
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))
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def test_visible_click_is_fallback_when_page_exposes_no_selection_state(self):
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xml_data = keep_only_one_sku(self.spec_xml)
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root = ET.fromstring(xml_data)
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for parent in root.iter():
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for child in list(parent):
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if (child.get("text") or "").startswith("已选"):
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parent.remove(child)
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xml_without_selection = ET.tostring(root, encoding="unicode")
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device = FakeCollectDevice(self.home_xml, xml_without_selection)
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service = PddCollectService(
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PddDeviceService(lambda _serial: device),
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"USB-001",
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"client-001",
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sleeper=lambda _seconds: None,
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max_spec_swipes=0,
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)
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data = service.collect(
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FakeTask("https://mobile.yangkeduo.com/goods.html?goods_id=123")
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).to_pdd_data()
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self.assertEqual(data["skus"][0]["price_cent"], 1000)
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self.assertEqual(
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data["skus"][0]["price_observed_at"], {"color": "红色"}
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)
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def test_visible_text_does_not_confirm_an_ignored_click(self):
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device = IgnoredColorClickDevice(self.home_xml)
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device.panel_open = True
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device.page = 0
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service = PddCollectService(
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PddDeviceService(lambda _serial: device),
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"USB-001",
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"client-001",
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sleeper=lambda _seconds: None,
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)
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sample = service._click_and_sample_color(device, "B色")
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self.assertIsNone(sample.price_cent)
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def test_missing_goods_id_is_structured_error(self):
|
|
service = PddCollectService(
|
|
PddDeviceService(lambda _serial: object()),
|
|
"USB-001",
|
|
"client-001",
|
|
)
|
|
with self.assertRaises(PddCollectError) as raised:
|
|
service.collect(FakeTask("https://mobile.yangkeduo.com/goods.html"))
|
|
self.assertEqual(raised.exception.code, "PDD_DATA_GOODS_ID_MISSING")
|
|
|
|
def test_non_pdd_goods_url_is_rejected_before_opening_device(self):
|
|
service = PddCollectService(
|
|
PddDeviceService(lambda _serial: object()),
|
|
"USB-001",
|
|
"client-001",
|
|
)
|
|
with self.assertRaises(PddCollectError) as raised:
|
|
service.collect(FakeTask("https://example.com/goods.html?goods_id=123"))
|
|
self.assertEqual(raised.exception.code, "PDD_DATA_GOODS_URL_INVALID")
|
|
|
|
def test_task_goods_id_must_match_url(self):
|
|
service = PddCollectService(
|
|
PddDeviceService(lambda _serial: object()),
|
|
"USB-001",
|
|
"client-001",
|
|
)
|
|
with self.assertRaises(PddCollectError) as raised:
|
|
service.collect(
|
|
FakeTask(
|
|
"https://mobile.yangkeduo.com/goods.html?goods_id=123",
|
|
goods_id="456",
|
|
)
|
|
)
|
|
self.assertEqual(raised.exception.code, "PDD_DATA_GOODS_ID_MISMATCH")
|
|
|
|
def test_page_timeout_has_specific_error_code(self):
|
|
device = LoadingDevice(self.home_xml, self.spec_xml)
|
|
ticks = iter((0.0, 0.0, 0.0, 2.0))
|
|
service = PddCollectService(
|
|
PddDeviceService(lambda _serial: device),
|
|
"USB-001",
|
|
"client-001",
|
|
sleeper=lambda _seconds: None,
|
|
monotonic=lambda: next(ticks),
|
|
page_timeout=1.0,
|
|
)
|
|
|
|
with self.assertRaises(PddCollectError) as raised:
|
|
service.collect(
|
|
FakeTask("https://mobile.yangkeduo.com/goods.html?goods_id=123")
|
|
)
|
|
self.assertEqual(raised.exception.code, "PDD_PAGE_TIMEOUT")
|
|
|
|
def test_non_pdd_tree_with_purchase_words_is_not_ready(self):
|
|
device = FocusMismatchDevice(
|
|
'<hierarchy><node package="com.android.settings" text="免拼购买" '
|
|
'bounds="[0,0][100,100]" /></hierarchy>',
|
|
self.spec_xml,
|
|
)
|
|
ticks = iter((0.0, 0.0, 0.0, 2.0))
|
|
service = PddCollectService(
|
|
PddDeviceService(lambda _serial: device),
|
|
"USB-001",
|
|
"client-001",
|
|
sleeper=lambda _seconds: None,
|
|
monotonic=lambda: next(ticks),
|
|
page_timeout=1.0,
|
|
)
|
|
|
|
with self.assertRaises(PddCollectError) as raised:
|
|
service.collect(
|
|
FakeTask("https://mobile.yangkeduo.com/goods.html?goods_id=123")
|
|
)
|
|
self.assertEqual(raised.exception.code, "PDD_PAGE_TIMEOUT")
|
|
|
|
def test_page_timeout_saves_last_xml_diagnostic(self):
|
|
with tempfile.TemporaryDirectory() as directory:
|
|
device = LoadingDevice(self.home_xml, self.spec_xml)
|
|
ticks = iter((0.0, 0.0, 0.0, 0.0, 0.0, 2.0))
|
|
service = PddCollectService(
|
|
PddDeviceService(lambda _serial: device),
|
|
"USB-001",
|
|
"client-001",
|
|
sleeper=lambda _seconds: None,
|
|
monotonic=lambda: next(ticks),
|
|
page_timeout=1.0,
|
|
artifact_directory=Path(directory),
|
|
)
|
|
|
|
with self.assertRaises(PddCollectError) as raised:
|
|
service.collect(
|
|
FakeTask("https://mobile.yangkeduo.com/goods.html?goods_id=123")
|
|
)
|
|
|
|
artifacts = raised.exception.diagnostics["artifacts"]
|
|
self.assertEqual(len(artifacts), 1)
|
|
self.assertTrue(Path(artifacts[0]["path"]).is_file())
|
|
self.assertEqual(len(artifacts[0]["sha256"]), 64)
|
|
|
|
def test_runtime_device_disconnect_has_stable_error_code(self):
|
|
service = PddCollectService(
|
|
PddDeviceService(
|
|
lambda _serial: DisconnectingDevice(self.home_xml, self.spec_xml)
|
|
),
|
|
"USB-001",
|
|
"client-001",
|
|
)
|
|
with self.assertRaises(PddCollectError) as raised:
|
|
service.collect(
|
|
FakeTask("https://mobile.yangkeduo.com/goods.html?goods_id=123")
|
|
)
|
|
self.assertEqual(raised.exception.code, "DEVICE_DISCONNECTED")
|
|
|
|
def test_missing_shop_name_is_allowed(self):
|
|
incomplete_home = self.home_xml.replace(
|
|
'<node class="android.widget.TextView" text="店铺：测试服饰旗舰店" '
|
|
'bounds="[30,1050][600,1110]" visible-to-user="true" '
|
|
'enabled="true" />',
|
|
"",
|
|
)
|
|
device = FakeCollectDevice(incomplete_home, self.spec_xml)
|
|
service = PddCollectService(
|
|
PddDeviceService(lambda _serial: device),
|
|
"USB-001",
|
|
"client-001",
|
|
sleeper=lambda _seconds: None,
|
|
)
|
|
|
|
result = service.collect(
|
|
FakeTask("https://mobile.yangkeduo.com/goods.html?goods_id=123")
|
|
)
|
|
self.assertIsNone(result.shop_name)
|
|
|
|
def test_missing_reviews_does_not_scroll_before_opening_spec_panel(self):
|
|
home_without_reviews = self.home_xml.replace(
|
|
'<node class="android.widget.TextView" text="2356条评价" '
|
|
'bounds="[330,950][600,1010]" visible-to-user="true" '
|
|
'enabled="true" />',
|
|
"",
|
|
)
|
|
device = FakeCollectDevice(
|
|
home_without_reviews, keep_only_one_sku(self.spec_xml)
|
|
)
|
|
service = PddCollectService(
|
|
PddDeviceService(lambda _serial: device),
|
|
"USB-001",
|
|
"client-001",
|
|
sleeper=lambda _seconds: None,
|
|
max_spec_swipes=0,
|
|
)
|
|
|
|
result = service.collect(
|
|
FakeTask("https://mobile.yangkeduo.com/goods.html?goods_id=123")
|
|
)
|
|
|
|
self.assertIsNone(result.reviews.raw)
|
|
self.assertTrue(device.clicks)
|
|
self.assertTrue(all(device.swipe_panel_states))
|
|
|
|
def test_spec_panel_timeout_has_stable_code_and_xml_evidence(self):
|
|
with tempfile.TemporaryDirectory() as directory:
|
|
device = PanelDoesNotOpenDevice(self.home_xml, self.spec_xml)
|
|
tick = {"value": -0.5}
|
|
|
|
def clock():
|
|
tick["value"] += 0.5
|
|
return tick["value"]
|
|
|
|
service = PddCollectService(
|
|
PddDeviceService(lambda _serial: device),
|
|
"USB-001",
|
|
"client-001",
|
|
sleeper=lambda _seconds: None,
|
|
monotonic=clock,
|
|
spec_panel_timeout=1.0,
|
|
artifact_directory=Path(directory),
|
|
)
|
|
|
|
with self.assertRaises(PddCollectError) as raised:
|
|
service.collect(
|
|
FakeTask("https://mobile.yangkeduo.com/goods.html?goods_id=123")
|
|
)
|
|
|
|
self.assertEqual(
|
|
raised.exception.code, "PDD_PAGE_SPEC_PANEL_TIMEOUT"
|
|
)
|
|
artifacts = raised.exception.diagnostics["artifacts"]
|
|
self.assertTrue(Path(artifacts[0]["path"]).is_file())
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|