255pm all tests worked, on 0213

Author: Luis Romero

pom.xml

@@ -8,7 +8,12 @@
     <artifactId>wu-tang-financial</artifactId>
     <version>1.0-SNAPSHOT</version>
 
-    <dependencies>
 
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>RELEASE</version>
+        </dependency>
     </dependencies>
 </project>

src/main/java/CurrencyExchange.java

@@ -0,0 +1,23 @@
+public class CurrencyExchange {
+
+    public static final double US_DOLLAR =	1.00;
+    public static final double EURO = 0.94;
+    public static final double BRITISH_POUND = 0.82;
+    public static final double INDIAN_RUPEE = 68.32;
+    public static final double AUSTRALIAN_DOLLAR = 1.35;
+    public static final double CANADIAN_DOLLAR = 1.32;
+    public static final double SINGAPORE_DOLLAR = 1.43;
+    public static final double SWISS_FRANC = 1.01;
+    public static final double MALAYSIAN_RINGGIT = 4.47;
+    public static final double JAPANESE_YEN = 115.84;
+    public static final double CHINESE_YUAN_RENMINBI = 6.92;
+
+    public static double convertFromTo(double fromAmount, double fromCurrencyRate, double toCurrencyRate) {
+
+        double toAmount = toCurrencyRate * (fromAmount / fromCurrencyRate);
+        return toAmount;
+    }
+
+
+
+}

src/test/java/CurrencyExchangeTest.java

@@ -0,0 +1,102 @@
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.Before;
+
+/**
+ * Created by Luis J. Romero on 2/13/2018.
+ */
+
+public class CurrencyExchangeTest {
+
+    CurrencyExchange ce = new CurrencyExchange();
+
+    @Test
+    public void testConvertDollarToEuro() {
+        double fromAmount = 1.00;
+        double expected = ce.convertFromTo(fromAmount, ce.US_DOLLAR, ce.EURO);
+        double actual = 0.94;
+        Assert.assertEquals(expected, actual, 0.001);
+    }
+
+    @Test
+    public void testConvertEuroToDollar() {
+        double fromAmount = 0.94;
+        double expected = ce.convertFromTo(fromAmount, ce.EURO, ce.US_DOLLAR);
+        double actual = 1.00;
+        Assert.assertEquals(expected, actual, 0.001);
+    }
+
+    @Test
+    public void testConvertEuroToBritishPound() {
+        double fromAmount = 0.94;
+        double expected = ce.convertFromTo(fromAmount, ce.EURO, ce.BRITISH_POUND);
+        double actual = 0.82;
+        Assert.assertEquals(expected, actual, 0.001);
+    }
+
+    @Test
+    public void testConvertBritishPoundToIndianRupee() {
+        double fromAmount = 0.82;
+        double expected = ce.convertFromTo(fromAmount, ce.BRITISH_POUND, ce.INDIAN_RUPEE);
+        double actual = 68.32;
+        Assert.assertEquals(expected, actual, 0.001);
+    }
+
+    @Test
+    public void testConvertRupeeToCanadianDollar() {
+        double fromAmount = 68.32;
+        double expected = ce.convertFromTo(fromAmount, ce.INDIAN_RUPEE, ce.CANADIAN_DOLLAR);
+        double actual = 1.32;
+        Assert.assertEquals(expected, actual, 0.001);
+    }
+
+    // Added Australian Dollar to Canadian Dollar, to include Australian Dollar in tests
+    @Test
+    public void testConvertAustralianDollarToCanadianDollar() {
+        double fromAmount = 1.35;
+        double expected = ce.convertFromTo(fromAmount, ce.AUSTRALIAN_DOLLAR, ce.CANADIAN_DOLLAR);
+        double actual = 1.32;
+        Assert.assertEquals(expected, actual, 0.001);
+    }
+
+    @Test
+    public void testConvertCanadianDollarToSingaporeDollar() {
+        double fromAmount = 1.32;
+        double expected = ce.convertFromTo(fromAmount, ce.CANADIAN_DOLLAR, ce.SINGAPORE_DOLLAR);
+        double actual = 1.43;
+        Assert.assertEquals(expected, actual, 0.001);
+    }
+
+    @Test
+    public void testConvertSingaporeDollarToSwissFranc() {
+        double fromAmount = 1.43;
+        double expected = ce.convertFromTo(fromAmount, ce.SINGAPORE_DOLLAR, ce.SWISS_FRANC);
+        double actual = 1.01;
+        Assert.assertEquals(expected, actual, 0.001);
+    }
+
+    @Test
+    public void testConvertSwissFrancToMalaysianRinggit() {
+        double fromAmount = 1.01;
+        double expected = ce.convertFromTo(fromAmount, ce.SWISS_FRANC, ce.MALAYSIAN_RINGGIT);
+        double actual = 4.47;
+        Assert.assertEquals(expected, actual, 0.001);
+    }
+
+    @Test
+    public void testConvertMalaysianRinggitToJapaneseYen() {
+        double fromAmount = 4.47;
+        double expected = ce.convertFromTo(fromAmount, ce.MALAYSIAN_RINGGIT, ce.JAPANESE_YEN);
+        double actual = 115.84;
+        Assert.assertEquals(expected, actual, 0.001);
+    }
+
+    @Test
+    public void testConvertJapaneseYenToChineseYuanRenminbi() {
+        double fromAmount = 115.84;
+        double expected = ce.convertFromTo(fromAmount, ce.JAPANESE_YEN, ce.CHINESE_YUAN_RENMINBI);
+        double actual = 6.92;
+        Assert.assertEquals(expected, actual, 0.001);
+    }
+
+}