Introduction to XPath

xml/src/test/java/com/baeldung/xml/DefaultParserTest.java

@@ -0,0 +1,83 @@
+package com.baeldung.xml;
+
+import static org.junit.Assert.*;
+
+import java.io.File;
+
+import org.junit.Test;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+/**
+ * Unit test for simple App.
+ */
+public class DefaultParserTest {
+
+    final String fileName = "src/test/resources/example.xml";
+    
+    final String fileNameSpace = "src/test/resources/example_namespace.xml";
+
+    DefaultParser parser;
+
+    @Test
+    public void getFirstLevelNodeListTest() {
+        parser = new DefaultParser(new File(fileName));
+        NodeList list = parser.getFirstLevelNodeList();
+
+        assertNotNull(list);
+        assertTrue(list.getLength() == 4);
+    }
+
+    @Test
+    public void getNodeListByTitle() {
+        parser = new DefaultParser(new File(fileName));
+        NodeList list = parser.getNodeListByTitle("XML");
+
+        for (int i = 0; null != list && i < list.getLength(); i++) {
+            Node nod = list.item(i);
+            assertEquals("java", nod.getAttributes().getNamedItem("type").getTextContent());
+            assertEquals("02", nod.getAttributes().getNamedItem("tutId").getTextContent());
+            assertEquals("XML", nod.getFirstChild().getTextContent());
+            assertEquals("title", nod.getFirstChild().getNodeName());
+            assertEquals("description", nod.getChildNodes().item(1).getNodeName());
+            assertEquals("Introduction to XPath", nod.getChildNodes().item(1).getTextContent());
+            assertEquals("author", nod.getLastChild().getNodeName());
+            assertEquals("XMLAuthor", nod.getLastChild().getTextContent());
+        }
+    }
+
+    @Test
+    public void getNodeById() {
+        parser = new DefaultParser(new File(fileName));
+        Node node = parser.getNodeById("03");
+
+        String type = node.getAttributes().getNamedItem("type").getNodeValue();
+        assertEquals("android", type);
+    }
+    
+    @Test
+    public void getNodeListByDate(){
+        parser = new DefaultParser(new File(fileName));
+        NodeList list = parser.getNodeListByTitle("04022016");
+        for (int i = 0; null != list && i < list.getLength(); i++) {
+            Node nod = list.item(i);
+            assertEquals("java", nod.getAttributes().getNamedItem("type").getTextContent());
+            assertEquals("04", nod.getAttributes().getNamedItem("tutId").getTextContent());
+            assertEquals("Spring", nod.getFirstChild().getTextContent());
+            assertEquals("title", nod.getFirstChild().getNodeName());
+            assertEquals("description", nod.getChildNodes().item(1).getNodeName());
+            assertEquals("Introduction to Spring", nod.getChildNodes().item(1).getTextContent());
+            assertEquals("author", nod.getLastChild().getNodeName());
+            assertEquals("SpringAuthor", nod.getLastChild().getTextContent());
+        }
+    }
+    
+    @Test
+    public void getNodeListWithNamespace(){
+        parser = new DefaultParser(new File(fileNameSpace));
+        NodeList list = parser.getAllTutorials();
+        assertNotNull(list);
+        assertTrue(list.getLength() == 4);
+    }
+
+}

xml/src/test/resources/example.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0"?>
+<Tutorials>
+	<Tutorial tutId="01" type="java">
+		<title>Guava</title>
+		<description>Introduction to Guava</description>
+		<date>04/04/2016</date>
+		<author>GuavaAuthor</author>
+	</Tutorial>
+	<Tutorial tutId="02" type="java">
+		<title>XML</title>
+		<description>Introduction to XPath</description>
+		<date>04/05/2016</date>
+		<author>XMLAuthor</author>
+	</Tutorial>
+	<Tutorial tutId="03" type="android">
+		<title>Android</title>
+		<description>Introduction to Android</description>
+		<date>04/03/2016</date>
+		<author>AndroidAuthor</author>
+	</Tutorial>
+	<Tutorial tutId="04" type="java">
+		<title>Spring</title>
+		<description>Introduction to Spring</description>
+		<date>04/02/2016</date>
+		<author>SpringAuthor</author>
+		<sections>
+			<section name="core">Spring Core</section>
+			<section name="mvc">Spring MVC</section>
+			<section name="batch">Spring Batch</section>
+		</sections>
+	</Tutorial>
+</Tutorials>

xml/src/test/resources/example_namespace.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0"?>
+<Tutorials xmlns="http://www.baeldung.com/full_archive">
+    <Tutorial tutId="01" type="java">
+		<title>Guava</title>
+		<description>Introduction to Guava</description>
+		<date>04/04/2016</date>
+		<author>GuavaAuthor</author>
+	</Tutorial>
+	<Tutorial tutId="02" type="java">
+		<title>XML</title>
+		<description>Introduction to XPath</description>
+		<date>04/05/2016</date>
+		<author>XMLAuthor</author>
+	</Tutorial>
+	<Tutorial tutId="03" type="android">
+		<title>Android</title>
+		<description>Introduction to Android</description>
+		<date>04/03/2016</date>
+		<author>AndroidAuthor</author>
+	</Tutorial>
+	<Tutorial tutId="04" type="java">
+		<title>Spring</title>
+		<description>Introduction to Spring</description>
+		<date>04/02/2016</date>
+		<author>SpringAuthor</author>
+		<sections>
+			<section name="core">Spring Core</section>
+			<section name="mvc">Spring MVC</section>
+			<section name="batch">Spring Batch</section>
+		</sections>
+	</Tutorial>
+</Tutorials>