From 5ef4ff853dea4665e3a2ec8e46e71d6e17449fce Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Sun, 20 Nov 2016 13:27:40 +0100
Subject: [PATCH] Add unit test for unique element filter

---
 .../sone/template/UniqueElementFilterTest.kt       | 27 ++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 src/test/kotlin/net/pterodactylus/sone/template/UniqueElementFilterTest.kt

diff --git a/src/test/kotlin/net/pterodactylus/sone/template/UniqueElementFilterTest.kt b/src/test/kotlin/net/pterodactylus/sone/template/UniqueElementFilterTest.kt
new file mode 100644
index 0000000..a7b21c1
--- /dev/null
+++ b/src/test/kotlin/net/pterodactylus/sone/template/UniqueElementFilterTest.kt
@@ -0,0 +1,27 @@
+package net.pterodactylus.sone.template
+
+import org.hamcrest.MatcherAssert.assertThat
+import org.hamcrest.Matchers.equalTo
+import org.junit.Test
+
+/**
+ * Unit test for [UniqueElementFilter].
+ */
+class UniqueElementFilterTest {
+
+	private val filter = UniqueElementFilter()
+
+	@Test
+	fun `filter returns object if object is not a collection`() {
+		val someObject = Any()
+		assertThat(filter.format(null, someObject, null), equalTo<Any>(someObject))
+	}
+
+	@Test
+	fun `filter returns a set containing all unique elements of a given collection`() {
+		val objects = listOf(Any(), Any(), Any())
+		val collection = listOf(objects[0], objects[1], objects[2], objects[0], objects[1])
+		assertThat(filter.format(null, collection, null), equalTo<Any>(objects.toSet()))
+	}
+
+}
-- 
2.7.4