Add unit test for TextFilter.

diff --git a/src/test/java/net/pterodactylus/sone/text/TextFilterTest.java b/src/test/java/net/pterodactylus/sone/text/TextFilterTest.java
new file mode 100644 (file)
index 0000000..39fa5a3
--- /dev/null
+++ b/src/test/java/net/pterodactylus/sone/text/TextFilterTest.java
@@ -0,0 +1,40 @@
+package net.pterodactylus.sone.text;
+
+import static net.pterodactylus.sone.text.TextFilter.filter;
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThat;
+
+import org.junit.Test;
+
+/**
+ * Unit test for {@link TextFilter}.
+ *
+ * @author <a href="mailto:d.roden@xplosion.de">David Roden</a>
+ */
+public class TextFilterTest {
+
+       private static final String ORIGINAL_TEXT = "1:https://127.0.0.1/ 2:http://127.0.0.1/ 3:http://127.0.0.1 4:https://127.0.0.1 5:http://localhost/ 6:http://localhost";
+       private static final String FILTERED1 = "1: 2: 3: 4: 5:http://localhost/ 6:http://localhost";
+       private static final String FILTERED2 = "1:https://127.0.0.1/ 2:http://127.0.0.1/ 3:http://127.0.0.1 4:https://127.0.0.1 5: 6:";
+
+       @Test
+       public void canCreateTextFilter() {
+               new TextFilter();
+       }
+
+       @Test
+       public void removeLinksTo127001() {
+               assertThat(filter("127.0.0.1", ORIGINAL_TEXT), is(FILTERED1));
+       }
+
+       @Test
+       public void removeLinksToLocalhost() {
+               assertThat(filter("localhost", ORIGINAL_TEXT), is(FILTERED2));
+       }
+
+       @Test
+       public void doNotRemoveLinksWithoutHostHeader() {
+               assertThat(filter(null, ORIGINAL_TEXT), is(ORIGINAL_TEXT));
+       }
+
+}