🐛 Fix deduplication

diff --git a/src/main/kotlin/net/pterodactylus/sone/notify/ListNotification.kt b/src/main/kotlin/net/pterodactylus/sone/notify/ListNotification.kt
index dccc430..99fd89a 100644 (file)
--- a/src/main/kotlin/net/pterodactylus/sone/notify/ListNotification.kt
+++ b/src/main/kotlin/net/pterodactylus/sone/notify/ListNotification.kt
@@ -52,7 +52,7 @@ class ListNotification<T> : TemplateNotification {
 
        fun setElements(elements: Collection<T>) {
                realElements.clear()
-               realElements.addAll(elements)
+               realElements.addAll(elements.distinct())
                touch()
        }
 

diff --git a/src/test/kotlin/net/pterodactylus/sone/notify/ListNotificationTest.kt b/src/test/kotlin/net/pterodactylus/sone/notify/ListNotificationTest.kt
index 1aa554c..0c81516 100644 (file)
--- a/src/test/kotlin/net/pterodactylus/sone/notify/ListNotificationTest.kt
+++ b/src/test/kotlin/net/pterodactylus/sone/notify/ListNotificationTest.kt
@@ -37,6 +37,12 @@ class ListNotificationTest {
        }
 
        @Test
+       fun `list notification deduplicates set elements`() {
+               listNotification.setElements(listOf("a", "b", "a"))
+               assertThat(listNotification.elements, contains("a", "b"))
+       }
+
+       @Test
        fun `list notification retains added elements`() {
                listNotification.add("a")
                listNotification.add("b")