NavigationRail test

Author: InesaFitsner

sdk/python/packages/flet/integration_tests/controls/golden/macos/navigation_rail/navigation_rail.png

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+import pytest
+
+import flet as ft
+import flet.testing as ftt
+
+
+@pytest.mark.asyncio(loop_scope="module")
+async def test_navigation_rail(flet_app: ftt.FletTestApp, request):
+    flet_app.page.theme_mode = ft.ThemeMode.LIGHT
+    await flet_app.assert_control_screenshot(
+        request.node.name,
+        ft.NavigationRail(
+            height=400,
+            selected_index=0,
+            label_type=ft.NavigationRailLabelType.ALL,
+            min_width=100,
+            min_extended_width=400,
+            group_alignment=-0.9,
+            on_change=lambda e: print(
+                "Selected destination:", e.control.selected_index
+            ),
+            leading=ft.FloatingActionButton(
+                icon=ft.Icons.CREATE,
+                content="Add",
+                on_click=lambda e: print("FAB clicked!"),
+            ),
+            destinations=[
+                ft.NavigationRailDestination(
+                    icon=ft.Icons.FAVORITE_BORDER,
+                    selected_icon=ft.Icons.FAVORITE,
+                    label="First",
+                ),
+                ft.NavigationRailDestination(
+                    icon=ft.Icon(ft.Icons.BOOKMARK_BORDER),
+                    selected_icon=ft.Icon(ft.Icons.BOOKMARK),
+                    label="Second",
+                ),
+                ft.NavigationRailDestination(
+                    icon=ft.Icons.SETTINGS_OUTLINED,
+                    selected_icon=ft.Icon(ft.Icons.SETTINGS),
+                    label=ft.Text("Settings"),
+                ),
+            ],
+        ),
+    )