fix: 修正规格返回后的繁简体复核 (#260)

client/test/test_pdd_u2_purchase_adapter.py

@@ -1031,6 +1031,102 @@ class U2PddPurchaseAdapterTest(unittest.TestCase):
         )
         adapter.close()
 
+    def test_apply_resolved_size_accepts_selected_simplified_color_for_traditional_target(self):
+        device = FakeDevice()
+        selected = []
+        traditional_color = "縹緲仙姬綰【黑色】"
+        simplified_color = "缥缈仙姬绾【黑色】"
+        resolved_size = "均码【80-120斤】"
+        snapshot = PurchaseSpecCandidateSnapshot.build(
+            goods_id="753136429979",
+            selected_color=traditional_color,
+            target_size="均碼【40.0-60.0公斤】",
+            dimension_name="尺码",
+            observations=(PurchaseSizeObservation(resolved_size, True),),
+            observed_at="2026-08-18T01:01:36Z",
+        )
+        adapter = U2PddPurchaseAdapter(
+            "USB-001",
+            device_service=PddDeviceService(connector=lambda _serial: device),
+            sleeper=lambda _seconds: None,
+            select_size_fn=lambda _device, _xml, target, **_kwargs: (
+                selected.append(target) or True
+            ),
+            size_candidate_collector=lambda _device: SpecDimension(
+                "size", "尺码", (DimensionValue(resolved_size, True),)
+            ),
+        )
+        adapter.open_goods(GOODS_URL)
+        device.mode = "special"
+        device.special_xml = panel_xml().replace(
+            "黑色", simplified_color
+        ).replace("3XL【140-165斤】", resolved_size)
+
+        adapter.apply_resolved_size(snapshot, snapshot.candidates[0])
+
+        self.assertEqual(selected, [resolved_size])
+        adapter._requested_options = {
+            "color": traditional_color,
+            "size": resolved_size,
+        }
+        self.assertEqual(
+            adapter.read_state().selected_options,
+            {"color": traditional_color, "size": resolved_size},
+        )
+        adapter.close()
+
+    def test_apply_resolved_size_distinguishes_page_and_color_context_changes(self):
+        resolved_size = "均码【80-120斤】"
+        snapshot = PurchaseSpecCandidateSnapshot.build(
+            goods_id="753136429979",
+            selected_color="縹緲仙姬綰【黑色】",
+            target_size="均碼【40.0-60.0公斤】",
+            dimension_name="尺码",
+            observations=(PurchaseSizeObservation(resolved_size, True),),
+            observed_at="2026-08-18T01:01:36Z",
+        )
+
+        cases = (
+            ("page_kind", home_xml(), "页面已离开规格确认页"),
+            (
+                "selected_color",
+                panel_xml().replace("selected=\"true\"", "selected=\"false\"")
+                .replace("已选： 黑色", "已选： 白色")
+                .replace("黑色", "缥缈仙姬绾【白色】")
+                .replace("3XL【140-165斤】", resolved_size),
+                "已选颜色发生变化",
+            ),
+        )
+        for context_check, current_xml, expected_message in cases:
+            with self.subTest(context_check=context_check):
+                device = FakeDevice()
+                adapter = U2PddPurchaseAdapter(
+                    "USB-001",
+                    device_service=PddDeviceService(
+                        connector=lambda _serial, current=device: current
+                    ),
+                    sleeper=lambda _seconds: None,
+                    select_size_fn=lambda *_args, **_kwargs: True,
+                    size_candidate_collector=lambda _device: SpecDimension(
+                        "size", "尺码", (DimensionValue(resolved_size, True),)
+                    ),
+                )
+                adapter.open_goods(GOODS_URL)
+                device.mode = "special"
+                device.special_xml = current_xml
+
+                with self.assertRaises(PddPurchaseError) as raised:
+                    adapter.apply_resolved_size(snapshot, snapshot.candidates[0])
+
+                self.assertEqual(
+                    raised.exception.code, "PURCHASE_SPEC_CONTEXT_CHANGED"
+                )
+                self.assertIn(expected_message, raised.exception.message)
+                self.assertEqual(
+                    raised.exception.diagnostics["context_check"], context_check
+                )
+                adapter.close()
+
     def test_apply_resolved_size_stops_when_candidate_snapshot_changed(self):
         device = FakeDevice()
         selections = []