BAEL-19967: Migrate spring-caching module to the com.baeldung package

spring-caching/src/test/java/com/baeldung/ehcache/SquareCalculatorUnitTest.java

@@ -0,0 +1,40 @@
+package com.baeldung.ehcache;
+
+import com.baeldung.ehcache.calculator.SquaredCalculator;
+import com.baeldung.ehcache.config.CacheHelper;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+public class SquareCalculatorUnitTest {
+    private SquaredCalculator squaredCalculator = new SquaredCalculator();
+    private CacheHelper cacheHelper = new CacheHelper();
+
+    @Before
+    public void setup() {
+        squaredCalculator.setCache(cacheHelper);
+    }
+
+    @Test
+    public void whenCalculatingSquareValueOnce_thenCacheDontHaveValues() {
+        for (int i = 10; i < 15; i++) {
+            assertFalse(cacheHelper.getSquareNumberCache().containsKey(i));
+            System.out.println("Square value of " + i + " is: " + squaredCalculator.getSquareValueOfNumber(i) + "\n");
+        }
+    }
+
+    @Test
+    public void whenCalculatingSquareValueAgain_thenCacheHasAllValues() {
+        for (int i = 10; i < 15; i++) {
+            assertFalse(cacheHelper.getSquareNumberCache().containsKey(i));
+            System.out.println("Square value of " + i + " is: " + squaredCalculator.getSquareValueOfNumber(i) + "\n");
+        }
+
+        for (int i = 10; i < 15; i++) {
+            assertTrue(cacheHelper.getSquareNumberCache().containsKey(i));
+            System.out.println("Square value of " + i + " is: " + squaredCalculator.getSquareValueOfNumber(i) + "\n");
+        }
+    }
+}