diff --git a/tests/factories/reservation_unit.py b/tests/factories/reservation_unit.py
index 7691e09ca8..e357743ded 100644
--- a/tests/factories/reservation_unit.py
+++ b/tests/factories/reservation_unit.py
@@ -9,7 +9,7 @@
 from factory import LazyAttribute
 from factory.fuzzy import FuzzyInteger
 
-from tilavarauspalvelu.enums import AuthenticationType, ReservationKind, ReservationStartInterval
+from tilavarauspalvelu.enums import AuthenticationType, MethodOfEntry, ReservationKind, ReservationStartInterval
 from tilavarauspalvelu.models import ReservationUnit
 from utils.date_utils import local_start_of_day
 from utils.utils import as_p_tags
@@ -93,6 +93,8 @@ class Meta:
     min_reservation_duration = None
     buffer_time_before = factory.LazyFunction(datetime.timedelta)
     buffer_time_after = factory.LazyFunction(datetime.timedelta)
+    method_of_entry_start_date = None
+    method_of_entry_end_date = None
 
     # Booleans
     is_draft = False
@@ -108,6 +110,7 @@ class Meta:
     authentication = AuthenticationType.WEAK.value
     reservation_start_interval = ReservationStartInterval.INTERVAL_15_MINUTES.value
     reservation_kind = ReservationKind.DIRECT_AND_SEASON.value
+    method_of_entry = MethodOfEntry.OPEN_ACCESS.value
 
     # Lists
     search_terms = LazyAttribute(lambda i: [])
diff --git a/tests/test_actions/test_reservation_unit_actions/test_method_of_entry_at.py b/tests/test_actions/test_reservation_unit_actions/test_method_of_entry_at.py
new file mode 100644
index 0000000000..1164c3ea6c
--- /dev/null
+++ b/tests/test_actions/test_reservation_unit_actions/test_method_of_entry_at.py
@@ -0,0 +1,117 @@
+from __future__ import annotations
+
+import datetime
+
+import freezegun
+import pytest
+
+from tilavarauspalvelu.enums import MethodOfEntry
+from utils.date_utils import local_datetime
+
+from tests.factories import ReservationUnitFactory
+
+pytestmark = [
+    pytest.mark.django_db,
+]
+
+
+@freezegun.freeze_time("2025-01-01")
+@pytest.mark.parametrize(
+    "method_of_entry",
+    [
+        MethodOfEntry.OPEN_ACCESS,
+        MethodOfEntry.KEYLESS,
+        MethodOfEntry.WITH_KEY,
+    ],
+)
+def test_reservation_unit__method_of_entry_at__no_bounds(method_of_entry):
+    now = local_datetime()
+    past = now - datetime.timedelta(days=1)
+    future = now + datetime.timedelta(days=1)
+
+    reservation_unit = ReservationUnitFactory.create(method_of_entry=method_of_entry)
+
+    assert reservation_unit.actions.get_method_of_entry_at(past) == method_of_entry
+    assert reservation_unit.actions.get_method_of_entry_at(now) == method_of_entry
+    assert reservation_unit.actions.get_method_of_entry_at(future) == method_of_entry
+
+    assert reservation_unit.current_method_of_entry == method_of_entry
+
+
+@freezegun.freeze_time("2025-01-01")
+@pytest.mark.parametrize(
+    "method_of_entry",
+    [
+        MethodOfEntry.OPEN_ACCESS,
+        MethodOfEntry.KEYLESS,
+        MethodOfEntry.WITH_KEY,
+    ],
+)
+def test_reservation_unit__method_of_entry_at__starts(method_of_entry):
+    now = local_datetime()
+    past = now - datetime.timedelta(days=1)
+    future = now + datetime.timedelta(days=1)
+
+    reservation_unit = ReservationUnitFactory.create(
+        method_of_entry=method_of_entry,
+        method_of_entry_start_date=future.date(),
+    )
+
+    assert reservation_unit.actions.get_method_of_entry_at(past) == MethodOfEntry.OPEN_ACCESS
+    assert reservation_unit.actions.get_method_of_entry_at(now) == MethodOfEntry.OPEN_ACCESS
+    assert reservation_unit.actions.get_method_of_entry_at(future) == method_of_entry
+
+    assert reservation_unit.current_method_of_entry == MethodOfEntry.OPEN_ACCESS
+
+
+@freezegun.freeze_time("2025-01-01")
+@pytest.mark.parametrize(
+    "method_of_entry",
+    [
+        MethodOfEntry.OPEN_ACCESS,
+        MethodOfEntry.KEYLESS,
+        MethodOfEntry.WITH_KEY,
+    ],
+)
+def test_reservation_unit__method_of_entry_at__ends(method_of_entry):
+    now = local_datetime()
+    past = now - datetime.timedelta(days=1)
+    future = now + datetime.timedelta(days=1)
+
+    reservation_unit = ReservationUnitFactory.create(
+        method_of_entry=method_of_entry,
+        method_of_entry_end_date=now.date(),
+    )
+
+    assert reservation_unit.actions.get_method_of_entry_at(past) == method_of_entry
+    assert reservation_unit.actions.get_method_of_entry_at(now) == method_of_entry
+    assert reservation_unit.actions.get_method_of_entry_at(future) == MethodOfEntry.OPEN_ACCESS
+
+    assert reservation_unit.current_method_of_entry == method_of_entry
+
+
+@freezegun.freeze_time("2025-01-01")
+@pytest.mark.parametrize(
+    "method_of_entry",
+    [
+        MethodOfEntry.OPEN_ACCESS,
+        MethodOfEntry.KEYLESS,
+        MethodOfEntry.WITH_KEY,
+    ],
+)
+def test_reservation_unit__method_of_entry_at__period(method_of_entry):
+    now = local_datetime()
+    past = now - datetime.timedelta(days=1)
+    future = now + datetime.timedelta(days=1)
+
+    reservation_unit = ReservationUnitFactory.create(
+        method_of_entry=method_of_entry,
+        method_of_entry_start_date=now.date(),
+        method_of_entry_end_date=now.date(),
+    )
+
+    assert reservation_unit.actions.get_method_of_entry_at(past) == MethodOfEntry.OPEN_ACCESS
+    assert reservation_unit.actions.get_method_of_entry_at(now) == method_of_entry
+    assert reservation_unit.actions.get_method_of_entry_at(future) == MethodOfEntry.OPEN_ACCESS
+
+    assert reservation_unit.current_method_of_entry == method_of_entry