Add XmlUtil.prettyFormatXml()

smack-core/src/test/java/org/jivesoftware/smack/util/XmlUtilTest.java

@@ -0,0 +1,44 @@
+/**
+ *
+ * Copyright 2017 Florian Schmaus.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.jivesoftware.smack.util;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+public class XmlUtilTest {
+
+    @Test
+    public void prettyFormatXmlTest() {
+        final String uglyXml = "<foo attr1='value1' attr2='value2'><inner-element attr1='value1'>Test</inner-element></foo>";
+
+        final String prettyXml = XmlUtil.prettyFormatXml(uglyXml);
+
+        assertEquals("<foo attr1=\"value1\" attr2=\"value2\">\n  <inner-element attr1=\"value1\">Test</inner-element>\n</foo>\n",
+                        prettyXml);
+    }
+
+    @Test
+    public void prettyFormatIncompleteXmlTest() {
+        final String uglyXml = "<foo attr1='value1' attr2='value2'><inner-element attr1='value1'>Test</inner-element>";
+
+        final String prettyXml = XmlUtil.prettyFormatXml(uglyXml);
+
+        assertEquals("<foo attr1='value1' attr2='value2'><inner-element attr1='value1'>Test</inner-element>",
+                        prettyXml);
+    }
+}