CupertinoDatePicker and DatePicker tests

Author: InesaFitsner

sdk/python/packages/flet/integration_tests/controls/golden/macos/cupertino_date_picker/cupertino_date_picker_basic.png

@@ -1,3 +1,5 @@
+import datetime
+
 import pytest
 
 import flet as ft
@@ -8,6 +10,7 @@
 async def test_cupertino_date_picker_basic(flet_app: ftt.FletTestApp, request):
     flet_app.page.theme_mode = ft.ThemeMode.LIGHT
     date_picker = ft.CupertinoDatePicker(
+        value=datetime.datetime(year=2024, month=8, day=15),
         date_picker_mode=ft.CupertinoDatePickerMode.DATE_AND_TIME,
     )
 

sdk/python/packages/flet/integration_tests/controls/golden/macos/date_picker/date_picker_basic.png

@@ -0,0 +1,29 @@
+import datetime
+
+import pytest
+
+import flet as ft
+import flet.testing as ftt
+
+
+@pytest.mark.asyncio(loop_scope="module")
+async def test_date_picker_basic(flet_app: ftt.FletTestApp, request):
+    flet_app.page.theme_mode = ft.ThemeMode.LIGHT
+    dp = ft.DatePicker(
+                    current_date=datetime.datetime(year=2025, month=8, day=15),
+                    first_date=datetime.datetime(year=2000, month=10, day=1),
+                    last_date=datetime.datetime(year=2025, month=10, day=1),
+                )
+    flet_app.page.enable_screenshots = True
+    flet_app.page.window.width = 400
+    flet_app.page.window.height = 600
+    flet_app.page.show_dialog(dp)
+    flet_app.page.update()
+    await flet_app.tester.pump_and_settle()
+
+    flet_app.assert_screenshot(
+        "date_picker_basic",
+        await flet_app.page.take_screenshot(
+            pixel_ratio=flet_app.screenshots_pixel_ratio
+        ),
+    )