add unit and integrations test

tests/integration/tests_playwright/test_datetime_operations.py

@@ -0,0 +1,87 @@
+from typing import Generator
+
+import pytest
+from playwright.sync_api import Page, expect
+
+from reflex.testing import AppHarness
+
+
+def DatetimeOperationsApp():
+    from datetime import datetime
+
+    import reflex as rx
+
+    class DtOperationsState(rx.State):
+        date1: datetime = datetime(2021, 1, 1)
+        date2: datetime = datetime(2031, 1, 1)
+        date3: datetime = datetime(2021, 1, 1)
+
+    app = rx.App(state=DtOperationsState)
+
+    @app.add_page
+    def index():
+        return rx.vstack(
+            rx.text(DtOperationsState.date1, id="date1"),
+            rx.text(DtOperationsState.date2, id="date2"),
+            rx.text(DtOperationsState.date3, id="date3"),
+            rx.text("Operations between date1 and date2"),
+            rx.text(DtOperationsState.date1 == DtOperationsState.date2, id="1_eq_2"),
+            rx.text(DtOperationsState.date1 != DtOperationsState.date2, id="1_neq_2"),
+            rx.text(DtOperationsState.date1 < DtOperationsState.date2, id="1_lt_2"),
+            rx.text(DtOperationsState.date1 <= DtOperationsState.date2, id="1_le_2"),
+            rx.text(DtOperationsState.date1 > DtOperationsState.date2, id="1_gt_2"),
+            rx.text(DtOperationsState.date1 >= DtOperationsState.date2, id="1_ge_2"),
+            rx.text("Operations between date1 and date3"),
+            rx.text(DtOperationsState.date1 == DtOperationsState.date3, id="1_eq_3"),
+            rx.text(DtOperationsState.date1 != DtOperationsState.date3, id="1_neq_3"),
+            rx.text(DtOperationsState.date1 < DtOperationsState.date3, id="1_lt_3"),
+            rx.text(DtOperationsState.date1 <= DtOperationsState.date3, id="1_le_3"),
+            rx.text(DtOperationsState.date1 > DtOperationsState.date3, id="1_gt_3"),
+            rx.text(DtOperationsState.date1 >= DtOperationsState.date3, id="1_ge_3"),
+        )
+
+
+@pytest.fixture()
+def datetime_operations_app(tmp_path_factory) -> Generator[AppHarness, None, None]:
+    """Start Table app at tmp_path via AppHarness.
+
+    Args:
+        tmp_path_factory: pytest tmp_path_factory fixture
+
+    Yields:
+        running AppHarness instance
+
+    """
+    with AppHarness.create(
+        root=tmp_path_factory.mktemp("datetime_operations_app"),
+        app_source=DatetimeOperationsApp,  # type: ignore
+    ) as harness:
+        assert harness.app_instance is not None, "app is not running"
+        yield harness
+
+
+def test_datetime_operations(datetime_operations_app: AppHarness, page: Page):
+    assert datetime_operations_app.frontend_url is not None
+
+    page.goto(datetime_operations_app.frontend_url)
+    expect(page).to_have_url(datetime_operations_app.frontend_url + "/")
+    # Check the actual values
+    expect(page.locator("id=date1")).to_have_text("2021-01-01 00:00:00")
+    expect(page.locator("id=date2")).to_have_text("2031-01-01 00:00:00")
+    expect(page.locator("id=date3")).to_have_text("2021-01-01 00:00:00")
+
+    # Check the operations between date1 and date2
+    expect(page.locator("id=1_eq_2")).to_have_text("false")
+    expect(page.locator("id=1_neq_2")).to_have_text("true")
+    expect(page.locator("id=1_lt_2")).to_have_text("true")
+    expect(page.locator("id=1_le_2")).to_have_text("true")
+    expect(page.locator("id=1_gt_2")).to_have_text("false")
+    expect(page.locator("id=1_ge_2")).to_have_text("false")
+
+    # Check the operations between date1 and date3
+    expect(page.locator("id=1_eq_3")).to_have_text("true")
+    expect(page.locator("id=1_neq_3")).to_have_text("false")
+    expect(page.locator("id=1_lt_3")).to_have_text("false")
+    expect(page.locator("id=1_le_3")).to_have_text("true")
+    expect(page.locator("id=1_gt_3")).to_have_text("false")
+    expect(page.locator("id=1_ge_3")).to_have_text("true")

tests/units/utils/test_serializers.py

@@ -222,6 +222,7 @@ def test_serialize(value: Any, expected: str):
             '"2021-01-01 01:01:01.000001"',
             True,
         ),
+        (datetime.date(2021, 1, 1), '"2021-01-01"', True),
         (Color(color="slate", shade=1), '"var(--slate-1)"', True),
         (BaseSubclass, '"BaseSubclass"', True),
         (Path("."), '"."', True),