test(client): accelerate T-103 feedback loop

client/tests/device/test_sku_evidence_sanitizer.py

@@ -2,7 +2,9 @@
 
 from __future__ import annotations
 
+from functools import lru_cache
 from hashlib import sha256
+from io import BytesIO
 import json
 from pathlib import Path
 import sys
@@ -48,6 +50,16 @@ def _hash(path: Path) -> str:
     return digest.hexdigest()
 
 
+@lru_cache(maxsize=None)
+def _source_png(size: tuple[int, int]) -> bytes:
+    image = Image.new("RGB", size, color=(0, 180, 0))
+    if size == (EXPECTED_SCREENSHOT_WIDTH, EXPECTED_SCREENSHOT_HEIGHT):
+        image.paste((255, 0, 0), (0, 0, 8, 540))
+    output = BytesIO()
+    image.save(output, format="PNG")
+    return output.getvalue()
+
+
 def _default_xml() -> str:
     return (
         "<hierarchy rotation='0'>"
@@ -116,12 +128,7 @@ def _write_raw(
     raw = root / "raw"
     raw.mkdir(parents=True)
     screenshot = raw / "screenshot.png"
-    image = Image.new("RGB", size, color=(0, 180, 0))
+    screenshot.write_bytes(_source_png(size))
-    if size == (EXPECTED_SCREENSHOT_WIDTH, EXPECTED_SCREENSHOT_HEIGHT):
-        for y in range(540):
-            for x in range(8):
-                image.putpixel((x, y), (255, 0, 0))
-    image.save(screenshot, format="PNG")
     hierarchy = raw / "hierarchy.xml"
     hierarchy.write_text(_default_xml() if xml is None else xml, encoding="utf-8")
     manifest = {

client/tests/pdd/test_sku_selection.py

@@ -124,6 +124,31 @@ def _center(bounds: str) -> tuple[int, int]:
     return left + (right - left) // 2, top + (bottom - top) // 2
 
 
+def _flow(device: _RawDevice, timeout_seconds: float = 0.02) -> SkuSelectionFlow:
+    now = [0.0]
+    return SkuSelectionFlow(
+        UiautomatorSkuPanelAdapter(device, 10),
+        timeout_seconds,
+        0.01,
+        lambda: now[0],
+        lambda seconds: now.__setitem__(0, now[0] + seconds),
+    )
+
+
+def _fast_runner_flow(
+    device: SkuPanelDevice,
+    entry_wait_timeout_seconds: float = 0.02,
+) -> SkuSelectionFlow:
+    now = [0.0]
+    return SkuSelectionFlow(
+        device,
+        entry_wait_timeout_seconds,
+        0.01,
+        lambda: now[0],
+        lambda seconds: now.__setitem__(0, now[0] + seconds),
+    )
+
+
 def _mutate_unique_node(
     hierarchy: str,
     *,
@@ -321,8 +346,7 @@ class SkuSelectionFlowTests(unittest.TestCase):
 
     def test_target_mapping_stops_at_unproven_reveal_then_s_to_m_is_exact(self) -> None:
         device = _RawDevice()
-        adapter = UiautomatorSkuPanelAdapter(device, 10)
+        flow = _flow(device)
-        flow = SkuSelectionFlow(adapter)
 
         flow.open_sku_panel(_TARGET_URL)
         with self.assertRaisesRegex(SkuSelectionError, "受控显示动作尚未取证"):
@@ -332,7 +356,7 @@ class SkuSelectionFlowTests(unittest.TestCase):
         self.assertEqual(_actions(device, "pressKey"), [])
 
         restored = _RawDevice(_S_FIXTURE.read_text(encoding="utf-8"))
-        restored_flow = SkuSelectionFlow(UiautomatorSkuPanelAdapter(restored, 10))
+        restored_flow = _flow(restored)
         restored_flow.select_sku_options(resolve_task_selection(_TASK_COLOR, _TASK_SIZE))
         self.assertEqual(restored_flow.read_sku_unit_price(), "12.88")
         restored_flow.exit_sku_panel_safely()
@@ -342,7 +366,7 @@ class SkuSelectionFlowTests(unittest.TestCase):
 
     def test_full_verified_entry_structure_taps_exact_text_child_once(self) -> None:
         device = _RawDevice()
-        SkuSelectionFlow(UiautomatorSkuPanelAdapter(device, 10)).open_sku_panel(_TARGET_URL)
+        _flow(device).open_sku_panel(_TARGET_URL)
 
         self.assertEqual(_tap_centers(device), [(865, 2218)])
         self.assertNotIn((763, 2247), _tap_centers(device))  # 父容器中心不是获准目标。
@@ -408,7 +432,7 @@ class SkuSelectionFlowTests(unittest.TestCase):
     def test_unverified_home_entry_labels_do_not_trigger_old_product_rejection(self) -> None:
         device = _RawDevice()
 
-        SkuSelectionFlow(UiautomatorSkuPanelAdapter(device, 10)).open_sku_panel(
+        _flow(device).open_sku_panel(
             _TARGET_URL,
             _home_with_unverified_entry_labels(),
         )
@@ -477,7 +501,7 @@ class SkuSelectionFlowTests(unittest.TestCase):
         ):
             with self.subTest():
                 device = _RawDevice()
-                flow = SkuSelectionFlow(UiautomatorSkuPanelAdapter(device, 10))
+                flow = _flow(device)
 
                 with self.assertRaises(SkuSelectionError):
                     flow.open_sku_panel(_TARGET_URL, old_page)
@@ -531,7 +555,7 @@ class SkuSelectionFlowTests(unittest.TestCase):
 
         device = _RawDevice(_FIXTURE.read_text(encoding="utf-8"))
         with self.assertRaises(SkuSelectionError):
-            SkuSelectionFlow(UiautomatorSkuPanelAdapter(device, 10)).select_sku_options(
+            _flow(device).select_sku_options(
                 resolve_task_selection(_TASK_COLOR, _TASK_SIZE).__class__("粉红", "L（建议115-130）")
             )
         self.assertEqual(_actions(device, "click"), [])
@@ -546,7 +570,7 @@ class SkuSelectionFlowTests(unittest.TestCase):
         )
         for hierarchy in cases:
             with self.subTest(), self.assertRaises(SkuSelectionError):
-                SkuSelectionFlow(UiautomatorSkuPanelAdapter(_RawDevice(hierarchy), 10)).select_sku_options(resolve_task_selection(_TASK_COLOR, _TASK_SIZE))
+                _flow(_RawDevice(hierarchy)).select_sku_options(resolve_task_selection(_TASK_COLOR, _TASK_SIZE))
 
     def test_unknown_clickable_action_ancestor_is_rejected_by_profile(self) -> None:
         root = ElementTree.fromstring(_EMPTY_FIXTURE.read_text(encoding="utf-8"))
@@ -585,13 +609,13 @@ class SkuSelectionFlowTests(unittest.TestCase):
 
         device = _RawDevice(_PRODUCT_PAGE.replace("[688,2184][1042,2253]", "[0,0][1081,1]"))
         with self.assertRaises(SkuSelectionError):
-            SkuSelectionFlow(UiautomatorSkuPanelAdapter(device, 10)).open_sku_panel(_TARGET_URL)
+            _flow(device).open_sku_panel(_TARGET_URL)
         self.assertEqual(_actions(device, "click"), [])
 
     def test_color_readback_failure_never_attempts_second_option(self) -> None:
         device = _RawDevice()
         device.fail_color_readback = True
-        flow = SkuSelectionFlow(UiautomatorSkuPanelAdapter(device, 10))
+        flow = _flow(device)
         flow.open_sku_panel(_TARGET_URL)
         with self.assertRaises(SkuSelectionError):
             flow.select_sku_options(resolve_task_selection(_TASK_COLOR, _TASK_SIZE))
@@ -599,7 +623,7 @@ class SkuSelectionFlowTests(unittest.TestCase):
 
     def test_non_target_selection_restores_each_dimension_once(self) -> None:
         device = _RawDevice()
-        flow = SkuSelectionFlow(UiautomatorSkuPanelAdapter(device, 10))
+        flow = _flow(device)
         flow.open_sku_panel(_TARGET_URL)
         device.select_alternates()
         flow.select_sku_options(resolve_task_selection(_TASK_COLOR, _TASK_SIZE))
@@ -613,10 +637,10 @@ class SkuSelectionFlowTests(unittest.TestCase):
             with self.subTest(replacement=replacement):
                 device = _RawDevice(_FIXTURE.read_text(encoding="utf-8").replace("快卖完 ¥12.88", replacement))
                 with self.assertRaises(SkuSelectionError):
-                    SkuSelectionFlow(UiautomatorSkuPanelAdapter(device, 10)).read_sku_unit_price()
+                    _flow(device).read_sku_unit_price()
         device = _RawDevice(_FIXTURE.read_text(encoding="utf-8").replace("快卖完 ¥12.88", "提交订单 ¥12.88"))
         with self.assertRaises(SkuSelectionError):
-            SkuSelectionFlow(UiautomatorSkuPanelAdapter(device, 10)).read_sku_unit_price()
+            _flow(device).read_sku_unit_price()
         clickable_parent = _mutate_unique_node(
             _FIXTURE.read_text(encoding="utf-8"),
             class_name="android.widget.LinearLayout",
@@ -625,7 +649,7 @@ class SkuSelectionFlowTests(unittest.TestCase):
             value="true",
         )
         with self.assertRaises(SkuSelectionError):
-            SkuSelectionFlow(UiautomatorSkuPanelAdapter(_RawDevice(clickable_parent), 10)).read_sku_unit_price()
+            _flow(_RawDevice(clickable_parent)).read_sku_unit_price()
 
     def test_public_api_and_protocol_have_no_broad_or_order_operations(self) -> None:
         forbidden = {"quantity", "confirm", "authorization", "fence", "submit", "payment", "click"}
@@ -671,13 +695,13 @@ class SkuSelectionFlowTests(unittest.TestCase):
 
         device = NoPanelAfterEntry()
         with self.assertRaises(SkuSelectionError):
-            SkuSelectionFlow(UiautomatorSkuPanelAdapter(device, 10)).open_sku_panel(_TARGET_URL)
+            _flow(device).open_sku_panel(_TARGET_URL)
         self.assertEqual(_tap_centers(device), [(865, 2218)])
 
         duplicate = _duplicate_entry()
         device = _RawDevice(duplicate)
         with self.assertRaises(SkuSelectionError):
-            SkuSelectionFlow(UiautomatorSkuPanelAdapter(device, 10)).open_sku_panel(_TARGET_URL)
+            _flow(device).open_sku_panel(_TARGET_URL)
         self.assertEqual(_actions(device, "click"), [])
 
     def test_fixture_contains_no_address_phone_or_payment_credentials(self) -> None:
@@ -719,6 +743,11 @@ class _CompletedFlow:
 
 
 class SkuSelectionRunnerTests(unittest.TestCase):
+    def setUp(self) -> None:
+        flow_patch = patch.object(runner_module, "SkuSelectionFlow", _fast_runner_flow)
+        flow_patch.start()
+        self.addCleanup(flow_patch.stop)
+
     def _runner(self, adb: _FakeAdb, device: _RawDevice) -> SkuSelectionRunner:
         device.hierarchy = "<hierarchy />"
         adb.on_intent = lambda: setattr(device, "hierarchy", _PRODUCT_PAGE.replace("<hierarchy>", '<hierarchy post-intent="1">'))
@@ -1018,7 +1047,7 @@ class SkuSelectionRunnerTests(unittest.TestCase):
 
         device = _RawDevice(); device.select_alternates()
         device.package = "other"
-        with self.assertRaises(SkuSelectionError): SkuSelectionFlow(UiautomatorSkuPanelAdapter(device, 10)).exit_sku_panel_safely()
+        with self.assertRaises(SkuSelectionError): _flow(device).exit_sku_panel_safely()
         self.assertEqual(_actions(device, "pressKey"), [])
 
     def test_unproven_reveal_publishes_nothing_and_safely_exits_once(self) -> None:

docs/tasks/T-103.md

@@ -25,7 +25,7 @@ write_paths:
   - docs/current-state.md
 ---
 
-<!-- BEGIN VIKUNJA EXPORT id=23 synced=2026-08-05T04:34:06Z sha256=6e089363c4d47d10e02c1af12cebfb57a40dec4d9d04459c6438c9b5aa0987ba -->
+<!-- BEGIN VIKUNJA EXPORT id=23 synced=2026-08-05T04:46:50Z sha256=f225a9770923a004a3bae956e052e0cecdccee2e475b220c0487f534589bfb39 -->
 ## 问题 / 背景
 
 T-102 已证明 canonical 链接可进入目标商品。T-103 在 PKG110 / Android 16 / 拼多多 8.17.0、goods_id `937122477375` 上确认：详情页底部购买区第一行“快要抢光 + 金额”是唯一获准的受控规格入口；商品内容区同名小字和第二行“免拼购买”都不得点击。
@@ -274,6 +274,10 @@ T-103 sanitizer v2 坐标修正与主审：提交 44c027a 将 screenshot space
 ### 2026-08-05T04:33:56Z · ila
 
 2026-08-05 T-103 reveal 离线实现与终审通过：新增独立 `capture_sku_reveal_spike.py`，只在拼多多 8.17.0 / PKG110 / Android 16 / 1080×2376、goods_id `937122477375`、完整 `COLOR_SELECTED_SIZE_HIDDEN` 前置两次重证后，封存并发出唯一一次固定 reveal 手势；RPC 正常或结果不明均只读调和且绝不重试。后置要求目标颜色保持精确 selected、S/M 均可见且 selected=false、摘要仍为“请选择：尺码”、提交硬拒绝区仍在面板下方；成功不 Back，等待人工核对。四态 classifier 已绑定 A/B/S/M 真机证据的完整父链与 exact selected set；未知 clickable 祖先、窄浮层、SystemUI 同 bounds、坏 bounds 均失败关闭。独立终审 PASS；聚焦 55/55、client 全量 255/255、compileall、agent-context、diff-check 全部 PASS。未引用数量、确认页、围栏、提交或支付能力。`needs_device=true`，T-103 保持 Doing，等待项目所有者从拼多多首页、仅 Wi-Fi ADB、使用全新 output-dir 执行唯一一次真机 reveal 并人工确认 before/after。
+
+### 2026-08-05T04:45:40Z · ila
+
+2026-08-05 T-011 方案 B 由 T-103 所有者就地完成 pdd/device 测试提速：仅修改测试。`test_sku_selection` 保持 47 项，无删除/合并/skip，使用生产既有时钟注入缝和 runner 测试工厂，把 4.029s 降至 1.725s（≤2s）；`test_sku_evidence_sanitizer` 保持 25 项，确认根因不是时钟而是重复编码 1080×2376 合成 PNG，改为按尺寸缓存同一确定性 PNG bytes，把 5.383s 降至 4.360s。两模块合计 72/72 PASS；与 T-304 所有者的 polling 改动合并后 client 全量仍为 255/255，12.892s（≤15s），compileall/diff-check/agent-context 均通过。未修改生产代码或任何规格/价格/提交安全断言。T-103 仍因真机 reveal 与最终完整链路人工验收保持 Doing。
 <!-- END VIKUNJA EXPORT -->
 
 ## 边界