From fbc1a448540fd1fd484a7e4e76a2132c2976e90d Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Sun, 2 Nov 2014 12:09:17 +0100
Subject: [PATCH] Add unit test for CSS class name filter.

---
 .../sone/template/CssClassNameFilterTest.java      | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 src/test/java/net/pterodactylus/sone/template/CssClassNameFilterTest.java

diff --git a/src/test/java/net/pterodactylus/sone/template/CssClassNameFilterTest.java b/src/test/java/net/pterodactylus/sone/template/CssClassNameFilterTest.java
new file mode 100644
index 0000000..7b47567
--- /dev/null
+++ b/src/test/java/net/pterodactylus/sone/template/CssClassNameFilterTest.java
@@ -0,0 +1,35 @@
+package net.pterodactylus.sone.template;
+
+import static java.util.Collections.emptyMap;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+import java.util.Map;
+
+import org.hamcrest.Matchers;
+import org.junit.Test;
+
+/**
+ * Unit test for {@link CssClassNameFilter}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class CssClassNameFilterTest {
+
+	private static final Map<String, Object> EMPTY_MAP = emptyMap();
+	private final CssClassNameFilter filter = new CssClassNameFilter();
+
+	@Test
+	public void stringsAreFiltered() {
+		String allCharacters = "name with äöü";
+		String filteredCharacters = "name_with____";
+		assertThat(filter.format(null, allCharacters, EMPTY_MAP),
+				Matchers.<Object>is(filteredCharacters));
+	}
+
+	@Test
+	public void nullIsFiltered() {
+		assertThat(filter.format(null, null, EMPTY_MAP),
+				Matchers.<Object>is("null"));
+	}
+
+}
-- 
2.7.4