Currency Converter use Finished Build

pom.xml

@@ -9,6 +9,12 @@
     <version>1.0-SNAPSHOT</version>
 
     <dependencies>
-
+        <!-- https://mvnrepository.com/artifact/junit/junit -->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 </project>

src/main/java/CurrencyExchange.java

@@ -0,0 +1,38 @@
+import java.math.BigDecimal;
+import java.util.HashMap;
+import java.util.TreeMap;
+
+import static javax.swing.UIManager.put;
+//Currency converter
+public class CurrencyExchange {
+
+    private HashMap<String, Double> currencyMap;
+
+    {
+        currencyMap = new HashMap<String, Double>() {
+            {
+                put("USD", 1.00);     //US Dollar
+                put("EURO", 0.94);    //Euro
+                put("POUND", 0.82);   //British Pound
+                put("RUPEE", 68.32);  //Indian Rupee
+                put("AUD", 1.35);     //Australian Dollar
+                put("CAD", 1.32);     //Canadian Dollar
+                put("SGD", 1.43);     //Singapore Dollar
+                put("FRANC", 1.01);   //Swiss Franc
+                put("RINGGIT", 4.47); //Malaysian Ringgit
+                put("YEN", 115.84);   //Japanese Yen
+                put("RENMINBI", 6.92);//Chinese Yuan Renminbi
+
+            }
+        };
+    }
+
+    public double conversionFormula (String nation1, String nation2, double amount){
+
+        double convertedAmount = (currencyMap.get(nation2)) / (currencyMap.get(nation1)) * amount;
+
+        return convertedAmount;
+
+    }
+
+}

src/test/java/TestingRates.java

@@ -0,0 +1,91 @@
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import java.math.BigDecimal;
+
+import static com.sun.tools.doclint.Entity.delta;
+
+public class TestingRates {
+
+        CurrencyExchange testRate;
+
+        @Before
+        public void setUp() {
+            testRate = new CurrencyExchange();
+        }
+
+        @Test
+        public void testUSDtoEuro() {
+            double expectedAmount = 0.94;
+            double actualAmount = testRate.conversionFormula("USD", "EURO", 1.00);
+            Assert.assertEquals("Convert Dollar to Euro",expectedAmount, actualAmount, 0.1);
+        }
+
+        @Test
+        public void testEUROtoUSD() {
+        double expectedAmount = 53.20;
+        double actualAmount = testRate.conversionFormula("EURO", "USD", 50.00);
+        Assert.assertEquals("Convert Euro to US Dollar", expectedAmount, actualAmount, 0.1);
+        }
+
+        @Test
+        public void testEUROtoPOUND () {
+        double expectedAmount = 21.80;
+        double actualAmount = testRate.conversionFormula("EURO", "POUND", 25.00);
+        Assert.assertEquals("Convert Rupee to Canadian Dollar", expectedAmount, actualAmount, 0.1);
+        }
+
+        @Test
+        public void testPOUNDtoRUPEE () {
+        double expectedAmount = 2916.10;
+        double actualAmount = testRate.conversionFormula("POUND", "RUPEE", 35.00);
+        Assert.assertEquals("Convert British Pound to Indian Rupee", expectedAmount, actualAmount, 0.1);
+        }
+
+        @Test
+        public void testRUPEEtoCAD () {
+        double expectedAmount = 1.55;
+        double actualAmount = testRate.conversionFormula("RUPEE", "CAD", 80.00);
+        Assert.assertEquals("Convert Rupee to Canadian Dollar", expectedAmount, actualAmount, 0.1);
+        }
+
+        @Test
+        public void testCADtoSGD () {
+        double expectedAmount = 107.25;
+        double actualAmount = testRate.conversionFormula("CAD", "SGD", 99.00);
+        Assert.assertEquals(
+                "Convert Canadian Dollar to Singapore Dollar", expectedAmount, actualAmount, 0.1);
+        }
+
+        @Test
+        public void testSGDtoFRANC () {
+        double expectedAmount = 47.09;
+        double actualAmount = testRate.conversionFormula("SGD", "FRANC", 66.66);
+        Assert.assertEquals(
+                "Convert Singapore Dollar to Swiss Franc",expectedAmount, actualAmount, 0.1);
+        }
+
+        @Test
+        public void testFRANCtoRINGGIT () {
+        double expectedAmount = 4425.75;
+        double actualAmount = testRate.conversionFormula("FRANC", "RINGGIT", 1000.00);
+        Assert.assertEquals(
+                "Convert Swiss Franc to Malaysian Ringgit",expectedAmount, actualAmount, 0.1);
+        }
+
+        @Test
+        public void testRINGGITtoYEN () {
+        double expectedAmount = 259.15;
+        double actualAmount = testRate.conversionFormula("RINGGIT", "YEN", 10.00);
+        Assert.assertEquals(
+                "Convert Malaysian Ringgit to Japanese Yen",expectedAmount, actualAmount, 0.1);
+        }
+
+        @Test
+        public void testYENtoRENMINBI () {
+        double expectedAmount = 2.99;
+        double actualAmount = testRate.conversionFormula("YEN", "RENMINBI", 50.00);
+        Assert.assertEquals(
+                "Convert Japanese Yen to Chinese Yuan Renminb", expectedAmount, actualAmount, 0.1);
+        }
+    }