fix: capture invalid product toast and close failed tabs

tests/test_editor_login.py

@@ -39,10 +39,23 @@ class FakeCDP:
 
 
 class FakeProductCDP:
-    def __init__(self, ws):
+    def __init__(self, ws, ready=True, toasts=None):
         self.ws = ws
+        self.ready = ready
+        self.toasts = list(toasts or [])
         self.closed = False
         self.sent = []
+        self.toast_observer_installed = False
+
+    def val(self, expr):
+        if expr == editor.JS_READY:
+            return self.ready
+        if expr == editor.JS_INSTALL_TOAST_OBSERVER:
+            self.toast_observer_installed = True
+            return True
+        if expr == editor.JS_PAGE_TOASTS:
+            return json.dumps(self.toasts)
+        return None
 
     def send(self, method, params=None):
         self.sent.append((method, params or {}))
@@ -439,6 +452,89 @@ class EditorLoginTests(unittest.TestCase):
         self.assertEqual("127.0.0.1:9223", cdp.cdp_host)
         create_tab_info.assert_called_once()
 
+    def test_open_product_installs_toast_observer(self):
+        fake = FakeProductCDP("ws-new", ready=True)
+        with mock.patch("app.editor.find_product_tab", return_value=None), mock.patch(
+            "app.editor.create_tab_info",
+            return_value={"id": "target-new", "webSocketDebuggerUrl": "ws-new"},
+        ), mock.patch("app.editor.CDP", return_value=fake), mock.patch(
+            "app.editor._ensure_page_domains"
+        ), mock.patch("app.editor.time.sleep"):
+            cdp = editor.open_product({"debug_port": 9223}, "51100639511")
+
+        self.assertIs(fake, cdp)
+        self.assertTrue(fake.toast_observer_installed)
+        self.assertIn(
+            ("Page.addScriptToEvaluateOnNewDocument", {"source": editor.JS_TOAST_OBSERVER_SOURCE}),
+            fake.sent,
+        )
+
+    def test_wait_ready_raises_product_unavailable_from_hidden_toast(self):
+        fake = FakeProductCDP(
+            "ws-new",
+            ready=False,
+            toasts=[
+                {
+                    "text": "please input correct product id",
+                    "html": "<div class='eds-toast__content'>please input correct product id</div>",
+                    "url": "https://seller.shopee.tw/portal/product/invalid",
+                    "visible": False,
+                    "created_at": "2026-07-02T00:00:00Z",
+                }
+            ],
+        )
+
+        with self.assertRaises(editor.EditorError) as ctx:
+            editor._wait_ready(fake, timeout=0)
+
+        self.assertIn("商品失效", str(ctx.exception))
+        self.assertIn("please input correct product id", str(ctx.exception))
+        toasts = editor.read_page_toasts(fake)
+        self.assertEqual("please input correct product id", toasts[0]["text"])
+        self.assertFalse(toasts[0]["visible"])
+
+    def test_open_product_closes_auto_created_tab_when_unavailable(self):
+        fake = FakeProductCDP(
+            "ws-new",
+            ready=False,
+            toasts=[{"text": "please input correct product id", "visible": False}],
+        )
+        with mock.patch("app.editor.find_product_tab", return_value=None), mock.patch(
+            "app.editor.create_tab_info",
+            return_value={"id": "target-new", "webSocketDebuggerUrl": "ws-new"},
+        ), mock.patch("app.editor.CDP", return_value=fake), mock.patch(
+            "app.editor._ensure_page_domains"
+        ), mock.patch("app.editor.close_tab", return_value=True) as close_tab:
+            with self.assertRaises(editor.EditorError) as ctx:
+                editor.open_product({"debug_port": 9223}, "bad-item")
+
+        self.assertIn("商品失效", str(ctx.exception))
+        self.assertTrue(fake.closed)
+        close_tab.assert_called_once_with("target-new", host="127.0.0.1:9223")
+
+    def test_open_product_keeps_reused_tab_when_unavailable(self):
+        fake = FakeProductCDP(
+            "ws-existing",
+            ready=False,
+            toasts=[{"text": "please input correct product id", "visible": False}],
+        )
+        with mock.patch(
+            "app.editor.find_product_tab",
+            return_value={"id": "target-existing", "webSocketDebuggerUrl": "ws-existing"},
+        ), mock.patch("app.editor.create_tab_info") as create_tab_info, mock.patch(
+            "app.editor.CDP",
+            return_value=fake,
+        ), mock.patch("app.editor._ensure_page_domains"), mock.patch(
+            "app.editor.close_tab",
+            return_value=True,
+        ) as close_tab:
+            with self.assertRaises(editor.EditorError):
+                editor.open_product({"debug_port": 9223}, "bad-item")
+
+        self.assertTrue(fake.closed)
+        close_tab.assert_not_called()
+        create_tab_info.assert_not_called()
+
     def test_collect_closes_only_auto_created_product_tab(self):
         cdp = FakeProductCDP("ws-new")
         cdp.target_id = "target-new"