Add tests that run the examples

caching/src/test/java/com/iluwatar/caching/AppTest.java

@@ -22,42 +22,17 @@
  */
 package com.iluwatar.caching;
 
-import org.junit.Before;
 import org.junit.Test;
 
+import java.io.IOException;
+
 /**
- *
- * Application test
- *
+ * Tests that Caching example runs without errors.
  */
 public class AppTest {
-  App app;
-
-  /**
-   * Setup of application test includes: initializing DB connection and cache size/capacity.
-   */
-  @Before
-  public void setUp() {
-    AppManager.initDb(false); // VirtualDB (instead of MongoDB) was used in running the JUnit tests
-                              // to avoid Maven compilation errors. Set flag to true to run the
-                              // tests with MongoDB (provided that MongoDB is installed and socket
-                              // connection is open).
-    AppManager.initCacheCapacity(3);
-    app = new App();
-  }
-
   @Test
-  public void testReadAndWriteThroughStrategy() {
-    app.useReadAndWriteThroughStrategy();
-  }
-
-  @Test
-  public void testReadThroughAndWriteAroundStrategy() {
-    app.useReadThroughAndWriteAroundStrategy();
-  }
-
-  @Test
-  public void testReadThroughAndWriteBehindStrategy() {
-    app.useReadThroughAndWriteBehindStrategy();
+  public void test() throws IOException {
+    String[] args = {};
+    App.main(args);
   }
 }