Exercise snippets only in tests (#982)

* Exercise snippets only in tests

* Increase Jsoup version

jsoup/pom.xml

@@ -25,6 +25,6 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
 
-        <jsoup.version>1.10.1</jsoup.version>
+        <jsoup.version>1.10.2</jsoup.version>
     </properties>
 </project>

jsoup/src/main/java/com/baeldung/jsoup/JsoupParser.java

@@ -1,91 +0,0 @@
-package com.baeldung.jsoup;
-
-import java.io.IOException;
-import org.jsoup.Jsoup;
-import org.jsoup.nodes.Document;
-import org.jsoup.nodes.Element;
-import org.jsoup.parser.Tag;
-import org.jsoup.select.Elements;
-
-public class JsoupParser {
-
-    Document doc;
-
-    public void loadDocument(String blogUrl) throws IOException {
-        doc = Jsoup.connect(blogUrl).get();
-    }
-
-    void loadDocumentCustomized(String blogUrl) throws IOException {
-        doc = Jsoup.connect(blogUrl)
-                .userAgent("Mozilla")
-                .timeout(5000)
-                .cookie("cookiename", "val234")
-                .cookie("anothercookie", "ilovejsoup")
-                .referrer("http://google.com")
-                .header("headersecurity", "xyz123")
-                .get();
-    }
-
-    void examplesSelectors() {
-        Elements links = doc.select("a");
-        Elements logo = doc.select(".spring-logo--container");
-        Elements pagination = doc.select("#pagination_control");
-        Elements divsDescendant = doc.select("header div");
-        Elements divsDirect = doc.select("header > div");
-
-        Element pag = doc.getElementById("pagination_control");
-        Elements desktopOnly = doc.getElementsByClass("desktopOnly");
-
-        Elements sections = doc.select("section");
-        Element firstSection = sections.first();
-        Elements sectionParagraphs = firstSection.select(".paragraph");
-    }
-
-    void examplesTraversing() {
-        Elements sections = doc.select("section");
-
-        Element firstSection = sections.first();
-        Element lastSection = sections.last();
-        Element secondSection = sections.get(2);
-        Elements allParents = firstSection.parents();
-        Element parent = firstSection.parent();
-        Elements children = firstSection.children();
-        Elements siblings = firstSection.siblingElements();
-
-        sections.stream().forEach(el -> System.out.println("section: " + el));
-    }
-
-    void examplesExtracting() {
-        Element firstArticle = doc.select("article").first();
-        Element timeElement = firstArticle.select("time").first();
-        String dateTimeOfFirstArticle = timeElement.attr("datetime");
-        Element sectionDiv = firstArticle.select("section div").first();
-        String sectionDivText = sectionDiv.text();
-        String articleHtml = firstArticle.html();
-        String outerHtml = firstArticle.outerHtml();
-    }
-
-    void examplesModifying() {
-        Element firstArticle = doc.select("article").first();
-        Element timeElement = firstArticle.select("time").first();
-        Element sectionDiv = firstArticle.select("section div").first();
-
-        String dateTimeOfFirstArticle = timeElement.attr("datetime");
-        timeElement.attr("datetime", "2016-12-16 15:19:54.3");
-        sectionDiv.text("foo bar");
-        firstArticle.select("h2").html("<div><span></span></div>");
-
-        Element link = new Element(Tag.valueOf("a"), "")
-                .text("Checkout this amazing website!")
-                .attr("href", "http://baeldung.com")
-                .attr("target", "_blank");
-        firstArticle.appendChild(link);
-
-        doc.select("li.navbar-link").remove();
-        firstArticle.select("img").remove();
-    }
-
-    String getTidyHtml() {
-        return doc.html();
-    }
-}

jsoup/src/test/java/com/baeldung/jsoup/JsoupParserTest.java

@@ -2,6 +2,11 @@ package com.baeldung.jsoup;
 
 import java.io.IOException;
 import org.jsoup.HttpStatusException;
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.parser.Tag;
+import org.jsoup.select.Elements;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import org.junit.Before;
@@ -9,28 +14,96 @@ import org.junit.Test;
 
 public class JsoupParserTest {
 
-    JsoupParser jsoupParser;
+    Document doc;
 
     @Before
-    public void setUp() {
+    public void setUp() throws IOException {
-        jsoupParser = new JsoupParser();
+        doc = Jsoup.connect("https://spring.io/blog").get();
     }
 
     @Test
-    public void test404() throws IOException {
+    public void loadDocument404() throws IOException {
         try {
-            jsoupParser.loadDocument("https://spring.io/will-not-be-found");
+            doc = Jsoup.connect("https://spring.io/will-not-be-found").get();
         } catch (HttpStatusException ex) {
             assertEquals(404, ex.getStatusCode());
         }
     }
 
     @Test
-    public void testChange() throws IOException {
+    public void loadDocumentCustomized() throws IOException {
-        jsoupParser.loadDocument("http://spring.io/blog");
+        doc = Jsoup.connect("https://spring.io/blog")
+                .userAgent("Mozilla")
+                .timeout(5000)
+                .cookie("cookiename", "val234")
+                .cookie("anothercookie", "ilovejsoup")
+                .referrer("http://google.com")
+                .header("headersecurity", "xyz123")
+                .get();
+    }
 
-        jsoupParser.examplesModifying();
+    @Test
+    public void examplesSelectors() {
+        Elements links = doc.select("a");
+        Elements logo = doc.select(".spring-logo--container");
+        Elements pagination = doc.select("#pagination_control");
+        Elements divsDescendant = doc.select("header div");
+        Elements divsDirect = doc.select("header > div");
 
-        assertTrue(jsoupParser.getTidyHtml().contains("http://baeldung.com"));
+        Element pag = doc.getElementById("pagination_control");
+        Elements desktopOnly = doc.getElementsByClass("desktopOnly");
+
+        Elements sections = doc.select("section");
+        Element firstSection = sections.first();
+        Elements sectionParagraphs = firstSection.select(".paragraph");
+    }
+
+    @Test
+    public void examplesTraversing() {
+        Elements sections = doc.select("section");
+
+        Element firstSection = sections.first();
+        Element lastSection = sections.last();
+        Element secondSection = sections.get(2);
+        Elements allParents = firstSection.parents();
+        Element parent = firstSection.parent();
+        Elements children = firstSection.children();
+        Elements siblings = firstSection.siblingElements();
+
+        sections.stream().forEach(el -> System.out.println("section: " + el));
+    }
+
+    @Test
+    public void examplesExtracting() {
+        Element firstArticle = doc.select("article").first();
+        Element timeElement = firstArticle.select("time").first();
+        String dateTimeOfFirstArticle = timeElement.attr("datetime");
+        Element sectionDiv = firstArticle.select("section div").first();
+        String sectionDivText = sectionDiv.text();
+        String articleHtml = firstArticle.html();
+        String outerHtml = firstArticle.outerHtml();
+    }
+
+    @Test
+    public void examplesModifying() {
+        Element firstArticle = doc.select("article").first();
+        Element timeElement = firstArticle.select("time").first();
+        Element sectionDiv = firstArticle.select("section div").first();
+
+        String dateTimeOfFirstArticle = timeElement.attr("datetime");
+        timeElement.attr("datetime", "2016-12-16 15:19:54.3");
+        sectionDiv.text("foo bar");
+        firstArticle.select("h2").html("<div><span></span></div>");
+
+        Element link = new Element(Tag.valueOf("a"), "")
+                .text("Checkout this amazing website!")
+                .attr("href", "http://baeldung.com")
+                .attr("target", "_blank");
+        firstArticle.appendChild(link);
+
+        doc.select("li.navbar-link").remove();
+        firstArticle.select("img").remove();
+
+        assertTrue(doc.html().contains("http://baeldung.com"));
     }
 }