备忘录模式测试

src/test/java/top/fjy8018/designpattern/pattern/behavior/memento/ArticleMementoTest.java

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+package top.fjy8018.designpattern.pattern.behavior.memento;
+
+import lombok.extern.slf4j.Slf4j;
+import org.junit.jupiter.api.Test;
+
+/**
+ * @author F嘉阳
+ * @date 2020/3/6 17:07
+ */
+@Slf4j
+class ArticleMementoTest {
+
+    @Test
+    void getTitle() {
+        ArticleMementoManager articleMementoManager = new ArticleMementoManager();
+
+        Article article = new Article("如影随行的设计模式A", "手记内容A", "手记图片A");
+        // 存档
+        ArticleMemento articleMemento = article.saveToMemento();
+
+        articleMementoManager.addMemento(articleMemento);
+        log.info("标题:" + article.getTitle() + " 内容:" + article.getContent() + " 图片:" + article.getImgs() + " 暂存成功");
+
+        log.info("手记完整信息:" + article);
+
+        log.info("修改手记start");
+
+        article.setTitle("如影随行的设计模式B");
+        article.setContent("手记内容B");
+        article.setImgs("手记图片B");
+
+        log.info("修改手记end");
+
+        log.info("手记完整信息:" + article);
+
+        articleMemento = article.saveToMemento();
+        articleMementoManager.addMemento(articleMemento);
+
+        article.setTitle("如影随行的设计模式C");
+        article.setContent("手记内容C");
+        article.setImgs("手记图片C");
+
+        log.info("暂存回退start");
+        // 取档
+        log.info("回退出栈1次");
+        articleMemento = articleMementoManager.getMemento();
+        article.undoFromMemento(articleMemento);
+
+        log.info("回退出栈2次");
+        articleMemento = articleMementoManager.getMemento();
+        article.undoFromMemento(articleMemento);
+
+        log.info("暂存回退end");
+        log.info("手记完整信息:" + article);
+    }
+}