Add unit test testing the ordersearchform description

tests/unit/customer/test_forms.py

@@ -1,3 +1,5 @@
+import pytest
+
 from datetime import date, datetime
 from unittest import mock
 
@@ -67,3 +69,54 @@ def test_get_filters(self):
                 "number__contains": "100",
             },
         )
+
+    @pytest.mark.parametrize(
+        "date_from, date_to, order_number, expected_description",
+        [
+            (
+                "2023-01-01",
+                "2023-01-02",
+                "100",
+                "Orders placed between 2023-01-01 and 2023-01-02 and order number "
+                "containing 100",
+            ),
+            (
+                "2023-01-01",
+                "2023-01-02",
+                "",
+                "Orders placed between 2023-01-01 and 2023-01-02",
+            ),
+            (
+                "2023-01-01",
+                "",
+                "100",
+                "Orders placed since 2023-01-01 and order number containing 100",
+            ),
+            ("2023-01-01", "", "", "Orders placed since 2023-01-01"),
+            (
+                "",
+                "2023-01-02",
+                "100",
+                "Orders placed until 2023-01-02 and order number containing 100",
+            ),
+            ("", "2023-01-02", "", "Orders placed since 2023-01-02"),
+            ("", "", "100", "Orders with order number containing 100"),
+            ("", "", "", None),
+        ],
+    )
+    def test_orders_descriptions(
+        self, date_from, date_to, order_number, expected_description
+    ):
+        form = OrderSearchForm(
+            data={
+                "date_from": date_from,
+                "date_to": date_to,
+                "order_number": order_number,
+            }
+        )
+        self.assertTrue(form.is_valid())
+
+        self.assertEqual(
+            form.orders_description,
+            expected_description,
+        )