From e0dabb4904e828bfd6acfcd8efd07fa74cc42edc Mon Sep 17 00:00:00 2001
From: Phil Gyford <phil@gyford.com>
Date: Tue, 19 Dec 2023 11:55:10 +0000
Subject: [PATCH] Fix error when rendering dates for events

They were coming out as `%s`.
---
 .../events/templatetags/spectator_events.py     |  2 +-
 tests/events/test_templatetags.py               | 17 +++++++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/spectator/events/templatetags/spectator_events.py b/spectator/events/templatetags/spectator_events.py
index b03e031..60e215d 100644
--- a/spectator/events/templatetags/spectator_events.py
+++ b/spectator/events/templatetags/spectator_events.py
@@ -69,7 +69,7 @@ def display_date(d):
     stamp = d.strftime("%Y-%m-%d")
     visible_date = d.strftime(app_settings.DATE_FORMAT)
 
-    return format_html('<time datetime="%s">%s</time>', stamp, visible_date)
+    return format_html('<time datetime="{}">{}</time>', stamp, visible_date)
 
 
 @register.inclusion_tag("spectator_events/includes/event_list_tabs.html")
diff --git a/tests/events/test_templatetags.py b/tests/events/test_templatetags.py
index 797443c..225cbee 100644
--- a/tests/events/test_templatetags.py
+++ b/tests/events/test_templatetags.py
@@ -1,3 +1,5 @@
+from datetime import datetime, timezone
+
 from django.test import TestCase
 
 from spectator.core.factories import IndividualCreatorFactory
@@ -16,6 +18,7 @@
     annual_event_counts,
     day_events,
     day_events_card,
+    display_date,
     event_list_tabs,
     events_years,
     events_years_card,
@@ -58,6 +61,20 @@ def test_kind(self):
         self.assertEqual(qs[1], {"year": make_date("2018-01-01"), "total": 1})
 
 
+class DisplayDateTestCase(TestCase):
+    def test_date(self):
+        d = make_date("2023-12-09")
+        self.assertEqual(
+            display_date(d), '<time datetime="2023-12-09">9 Dec 2023</time>'
+        )
+
+    def test_datetime(self):
+        dt = datetime(2023, 12, 9, 13, 30, 00).astimezone(timezone.utc)
+        self.assertEqual(
+            display_date(dt), '<time datetime="2023-12-09">9 Dec 2023</time>'
+        )
+
+
 class EventListTabsTestCase(TestCase):
     def test_result(self):
         counts = {"all": 30, "gig": 12, "movie": 18}