2 files changed, 25 insertions, 0 deletions

diff --git a/test/models/helpers/content_helper_test.rb b/test/models/helpers/content_helper_test.rb
index 2da82d7e..a7ed478d 100644
--- a/test/models/helpers/content_helper_test.rb
+++ b/test/models/helpers/content_helper_test.rb
@@ -1,4 +1,8 @@
 require 'test_helper'
 
 class ContentHelperTest < ActionView::TestCase
+  test "weekday_abbr delegates through the current I18n locale" do
+    I18n.locale = :de
+    assert_equal "Mo", weekday_abbr(Time.parse("2026-07-06"))
+  end
 end
diff --git a/test/models/helpers/nodes_helper_test.rb b/test/models/helpers/nodes_helper_test.rb
index 13011dea..5d91a885 100644
--- a/test/models/helpers/nodes_helper_test.rb
+++ b/test/models/helpers/nodes_helper_test.rb
@@ -1,4 +1,25 @@
 require 'test_helper'
 
 class NodesHelperTest < ActionView::TestCase
+  FakePage = Struct.new(:tag_list)
+
+  test "default_event_tag_mapping matches erfa-detail" do
+    page = FakePage.new(["erfa-detail"])
+    assert_equal ["erfa-detail", "open-day"], default_event_tag_mapping(page)
+  end
+
+  test "default_event_tag_mapping matches chaostreff-detail" do
+    page = FakePage.new(["chaostreff-detail"])
+    assert_equal ["chaostreff-detail", "open-day"], default_event_tag_mapping(page)
+  end
+
+  test "default_event_tag_mapping returns nil for unrelated tags" do
+    page = FakePage.new(["update"])
+    assert_nil default_event_tag_mapping(page)
+  end
+
+  test "default_event_tag_list is nil without a matching tag" do
+    page = FakePage.new([])
+    assert_nil default_event_tag_list(page)
+  end
 end