Issue #273:Caching Patterns [new pattern]

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

@@ -0,0 +1,41 @@
+package test.java.com.wssia.caching;
+
+import main.java.com.wssia.caching.App;
+import main.java.com.wssia.caching.AppManager;
+
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ *
+ * Application test
+ *
+ */
+public class AppTest {
+  App app;
+
+  /**
+   * Setup of application test includes: initializing DB connection and cache size/capacity.
+   */
+  @Before
+  public void setUp() {
+    AppManager.init();
+    AppManager.initCacheCapacity(3);
+    app = new App();
+  }
+
+  @Test
+  public void testReadAndWriteThroughStrategy() {
+    app.useReadAndWriteThroughStrategy();
+  }
+
+  @Test
+  public void testReadThroughAndWriteAroundStrategy() {
+    app.useReadThroughAndWriteAroundStrategy();
+  }
+
+  @Test
+  public void testReadThroughAndWriteBehindStrategy() {
+    app.useReadThroughAndWriteBehindStrategy();
+  }
+}