refactor: use tabs for selected instrument tables

tests/test_ui.py

@@ -38,7 +38,7 @@ def test_main_window_can_be_constructed_offscreen(tmp_path, monkeypatch):
 def test_main_window_contains_grid_level_table(tmp_path, monkeypatch):
     monkeypatch.setenv("QT_QPA_PLATFORM", "offscreen")
 
-    from PySide6.QtWidgets import QApplication, QGroupBox
+    from PySide6.QtWidgets import QApplication, QTabWidget
 
     from grid_trading.services.trading_service import TradingService
     from grid_trading.ui.main_window import MainWindow
@@ -48,7 +48,9 @@ def test_main_window_contains_grid_level_table(tmp_path, monkeypatch):
     window = MainWindow(service)
 
     assert window.grid_levels_table.columnCount() == 7
-    assert any(group.title() == "网格档位" for group in window.findChildren(QGroupBox))
+    tab_titles = _tab_titles(window.details_tabs)
+    assert tab_titles == ["网格档位", "待卖网格", "最近成交"]
+    assert isinstance(window.details_tabs, QTabWidget)
 
     window.close()
     service.close()
@@ -58,6 +60,26 @@ def test_main_window_contains_grid_level_table(tmp_path, monkeypatch):
 def test_main_window_contains_open_grid_lots_table(tmp_path, monkeypatch):
     monkeypatch.setenv("QT_QPA_PLATFORM", "offscreen")
 
+    from PySide6.QtWidgets import QApplication
+
+    from grid_trading.services.trading_service import TradingService
+    from grid_trading.ui.main_window import MainWindow
+
+    app = QApplication.instance() or QApplication([])
+    service = TradingService(tmp_path / "grid.db")
+    window = MainWindow(service)
+
+    assert window.open_grid_lots_table.columnCount() == 8
+    assert "待卖网格" in _tab_titles(window.details_tabs)
+
+    window.close()
+    service.close()
+    app.processEvents()
+
+
+def test_main_window_removes_selected_instrument_detail_group(tmp_path, monkeypatch):
+    monkeypatch.setenv("QT_QPA_PLATFORM", "offscreen")
+
     from PySide6.QtWidgets import QApplication, QGroupBox
 
     from grid_trading.services.trading_service import TradingService
@@ -67,8 +89,7 @@ def test_main_window_contains_open_grid_lots_table(tmp_path, monkeypatch):
     service = TradingService(tmp_path / "grid.db")
     window = MainWindow(service)
 
-    assert window.open_grid_lots_table.columnCount() == 8
-    assert any(group.title() == "待卖网格" for group in window.findChildren(QGroupBox))
+    assert not any(group.title() == "选中标的详情" for group in window.findChildren(QGroupBox))
 
     window.close()
     service.close()
@@ -116,6 +137,10 @@ def test_trade_dialog_labels_price_as_trade_price(tmp_path, monkeypatch):
     app.processEvents()
 
 
+def _tab_titles(tabs):
+    return [tabs.tabText(index) for index in range(tabs.count())]
+
+
 def test_quote_refresh_does_not_block_main_window(tmp_path, monkeypatch):
     monkeypatch.setenv("QT_QPA_PLATFORM", "offscreen")