BAEL-1565 (#3869)

* BAEL-1565

* move BAEL-1565 code to testing-modules/mocks/mock-comparisons

testing-modules/mocks/mock-comparisons/src/main/java/com/baeldung/easymock/ArticleReader.java

@@ -0,0 +1,36 @@
+package com.baeldung.easymock;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import static java.util.stream.Collectors.toList;
+
+public class ArticleReader {
+
+    private List<BaeldungArticle> articles;
+    private Iterator<BaeldungArticle> articleIter;
+
+    public ArticleReader() {
+        this(new ArrayList<>());
+    }
+
+    public ArticleReader(List<BaeldungArticle> articles) {
+        this.articles = articles;
+        this.articleIter = this.articles.iterator();
+    }
+
+    public List<BaeldungArticle> ofTopic(String topic) {
+        return articles
+          .stream()
+          .filter(article -> article
+            .title()
+            .contains(topic))
+          .collect(toList());
+    }
+
+    public BaeldungArticle next() {
+        return this.articleIter.next();
+    }
+
+}

testing-modules/mocks/mock-comparisons/src/main/java/com/baeldung/easymock/BaeldungArticle.java

@@ -0,0 +1,25 @@
+package com.baeldung.easymock;
+
+public class BaeldungArticle {
+
+    public static BaeldungArticle simpleArticle(String title, String content) {
+        return new BaeldungArticle(title, content);
+    }
+
+    private String title;
+    private String content;
+
+    private BaeldungArticle(String title, String content) {
+        this.title = title;
+        this.content = content;
+    }
+
+    public String title() {
+        return this.title;
+    }
+
+    public String content() {
+        return this.content;
+    }
+
+}

testing-modules/mocks/mock-comparisons/src/main/java/com/baeldung/easymock/BaeldungReader.java

@@ -0,0 +1,40 @@
+package com.baeldung.easymock;
+
+import java.util.List;
+
+public class BaeldungReader {
+
+    private ArticleReader articleReader;
+    private IArticleWriter articleWriter;
+
+    public BaeldungReader() {
+    }
+
+    ;
+
+    public BaeldungReader(ArticleReader articleReader) {
+        this.articleReader = articleReader;
+    }
+
+    public BaeldungReader(IArticleWriter writer) {
+        this.articleWriter = writer;
+    }
+
+    public BaeldungReader(ArticleReader articleReader, IArticleWriter writer) {
+        this.articleReader = articleReader;
+        this.articleWriter = writer;
+    }
+
+    public BaeldungArticle readNext() {
+        return articleReader.next();
+    }
+
+    public List<BaeldungArticle> readTopic(String topic) {
+        return articleReader.ofTopic(topic);
+    }
+
+    public String write(String title, String content) {
+        return articleWriter.write(title, content);
+    }
+
+}

testing-modules/mocks/mock-comparisons/src/main/java/com/baeldung/easymock/IArticleWriter.java

@@ -0,0 +1,7 @@
+package com.baeldung.easymock;
+
+public interface IArticleWriter {
+
+    String write(String title, String content);
+
+}