perf: 量化商品页打开耗时并去重检查 (#109)

client/test/test_pdd_u2_purchase_adapter.py

@@ -59,6 +59,7 @@ class FakeDevice:
         self.quantity = 1
         self.clicks = []
         self.opened_urls = []
+        self.app_wait_calls = 0
 
     def app_current(self):
         return {"package": "com.xunmeng.pinduoduo"}
@@ -67,6 +68,7 @@ class FakeDevice:
         pass
 
     def app_wait(self, _package, timeout=10):
+        self.app_wait_calls += 1
         return True
 
     def open_url(self, url):
@@ -87,6 +89,25 @@ class FakeDevice:
         raise AssertionError(f"未预期的 selector: {selector}")
 
 
+class ColdStartDevice(FakeDevice):
+    def __init__(self) -> None:
+        super().__init__()
+        self.current_calls = 0
+        self.app_started = False
+
+    def app_current(self):
+        self.current_calls += 1
+        package = (
+            "com.android.launcher"
+            if self.current_calls == 1
+            else "com.xunmeng.pinduoduo"
+        )
+        return {"package": package}
+
+    def app_start(self, _package):
+        self.app_started = True
+
+
 class U2PddPurchaseAdapterTest(unittest.TestCase):
     def _adapter(self, device, calls):
         def select_color_fn(_device, _xml, target, **_kwargs):
@@ -150,6 +171,7 @@ class U2PddPurchaseAdapterTest(unittest.TestCase):
         self.assertEqual(calls, [("color", "黑色"), ("size", "3XL【140-165斤】")])
         # 只点击一次商品页采购入口；最终“提交订单”从不点击。
         self.assertEqual(len(device.clicks), 1)
+        self.assertEqual(device.app_wait_calls, 0)
 
     def test_unsupported_dynamic_option_stops_before_click(self):
         device = FakeDevice()
@@ -163,6 +185,16 @@ class U2PddPurchaseAdapterTest(unittest.TestCase):
         self.assertEqual(device.clicks, [])
         adapter.close()
 
+    def test_cold_start_waits_for_pdd_once(self):
+        device = ColdStartDevice()
+        adapter = self._adapter(device, [])
+
+        adapter.open_goods(GOODS_URL)
+
+        self.assertTrue(device.app_started)
+        self.assertEqual(device.app_wait_calls, 1)
+        adapter.close()
+
     def test_captcha_stops_without_waiting_or_clicking(self):
         device = FakeDevice(
             '<hierarchy><node package="com.xunmeng.pinduoduo" '