VG - calculator

pom.xml

@@ -10,5 +10,10 @@
 
     <dependencies>
 
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>RELEASE</version>
+        </dependency>
     </dependencies>
 </project>

src/main/java/Exchanger.java

@@ -0,0 +1,45 @@
+import java.util.Scanner;
+import java.util.TreeMap;
+
+public class Exchanger {
+
+    protected double convertToDollarsRate;
+    protected double convertFromDollarsRate;
+    protected double initialValue;
+    protected double finalValue;
+
+
+    public Exchanger () {
+
+    }
+
+
+    public void setInitialValueToBeConverted (double value) {
+        initialValue = value;
+
+    }
+
+    public void setStartingCurrencyRate (String ccy) {
+        convertToDollarsRate = Table.fxTable.get(ccy);
+    }
+
+    public void setSecondExchangeRate (String ccy) {
+        convertFromDollarsRate = Table.fxTable.get(ccy);
+    }
+
+
+    public double convertCurrency () {
+       finalValue = ( initialValue / convertToDollarsRate ) * convertFromDollarsRate;
+
+        return finalValue;
+    }
+
+
+
+    public static void main(String[] args) {
+
+
+
+    }
+
+}

src/main/java/Table.java

@@ -0,0 +1,26 @@
+import java.util.TreeMap;
+
+public class Table {
+
+
+    public static TreeMap<String, Double> fxTable = new TreeMap<String, Double>();
+
+
+    public static void createMap() {
+
+        fxTable.put("USD", 1.00);
+        fxTable.put("EUR", 0.94);
+        fxTable.put("GBP", 0.82);
+        fxTable.put("INR", 68.32);
+        fxTable.put("AUD", 1.35);
+        fxTable.put("CAD", 1.32);
+        fxTable.put("SGD", 1.43);
+        fxTable.put("CHF", 1.01);
+        fxTable.put("MYR", 4.47);
+        fxTable.put("JPY", 115.84);
+        fxTable.put("CNY", 6.92);
+
+    }
+
+
+}

src/test/java/ExchangerTest.java

@@ -0,0 +1,143 @@
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+public class ExchangerTest {
+
+    Exchanger testExchanger;
+
+    @Before
+    public void setup () {
+        testExchanger = new Exchanger();
+        Table.createMap();
+
+    }
+
+
+    @Test
+    public void setStartingCurrencyRateTest () {
+        testExchanger.setStartingCurrencyRate("GBP");
+        double expected = 0.82;
+        double actual = testExchanger.convertToDollarsRate;
+        Assert.assertEquals(expected, actual, 0.005);
+    }
+
+
+    @Test
+    public void setSecondExchangeRateTest () {
+        testExchanger.setSecondExchangeRate("JPY");
+        double expected = 115.84;
+        double actual = testExchanger.convertFromDollarsRate;
+        Assert.assertEquals(expected, actual, 0.005);
+    }
+
+
+    @Test
+    public void setInitialValueToBeConvertedTest () {
+        testExchanger.setInitialValueToBeConverted(10000);
+        double expected = 10000;
+        double actual = testExchanger.initialValue;
+        Assert.assertEquals(expected, actual, 0.005);
+    }
+
+    @Test
+    public void convertCurrencyTest1 () {
+        testExchanger.setStartingCurrencyRate("USD");
+        testExchanger.setSecondExchangeRate("EUR");
+        testExchanger.setInitialValueToBeConverted(100000);
+        double expected = 94000;
+        double actual = testExchanger.convertCurrency();
+        Assert.assertEquals(expected, actual, 0.005);
+    }
+
+    @Test
+    public void convertCurrencyTest2 () {
+        testExchanger.setStartingCurrencyRate("EUR");
+        testExchanger.setSecondExchangeRate("USD");
+        testExchanger.setInitialValueToBeConverted(100000);
+        double expected = 106382.978;
+        double actual = testExchanger.convertCurrency();
+        Assert.assertEquals(expected, actual, 0.005);
+    }
+
+    @Test
+    public void convertCurrencyTest3 () {
+        testExchanger.setStartingCurrencyRate("EUR");
+        testExchanger.setSecondExchangeRate("GBP");
+        testExchanger.setInitialValueToBeConverted(100000);
+        double expected = 87234.0426;
+        double actual = testExchanger.convertCurrency();
+        Assert.assertEquals(expected, actual, 0.005);
+    }
+
+    @Test
+    public void convertCurrencyTest4 () {
+        testExchanger.setStartingCurrencyRate("GBP");
+        testExchanger.setSecondExchangeRate("INR");
+        testExchanger.setInitialValueToBeConverted(100000);
+        double expected = 8331707.32;
+        double actual = testExchanger.convertCurrency();
+        Assert.assertEquals(expected, actual, 0.005);
+    }
+
+    @Test
+    public void convertCurrencyTest5 () {
+        testExchanger.setStartingCurrencyRate("INR");
+        testExchanger.setSecondExchangeRate("CAD");
+        testExchanger.setInitialValueToBeConverted(100000);
+        double expected = 1932.08431;
+        double actual = testExchanger.convertCurrency();
+        Assert.assertEquals(expected, actual, 0.005);
+    }
+
+    @Test
+    public void convertCurrencyTest6 () {
+        testExchanger.setStartingCurrencyRate("CAD");
+        testExchanger.setSecondExchangeRate("SGD");
+        testExchanger.setInitialValueToBeConverted(100000);
+        double expected = 108333.333;
+        double actual = testExchanger.convertCurrency();
+        Assert.assertEquals(expected, actual, 0.005);
+    }
+
+    @Test
+    public void convertCurrencyTest7 () {
+        testExchanger.setStartingCurrencyRate("SGD");
+        testExchanger.setSecondExchangeRate("CHF");
+        testExchanger.setInitialValueToBeConverted(100000);
+        double expected = 70629.3706;
+        double actual = testExchanger.convertCurrency();
+        Assert.assertEquals(expected, actual, 0.005);
+    }
+
+    @Test
+    public void convertCurrencyTest8 () {
+        testExchanger.setStartingCurrencyRate("CHF");
+        testExchanger.setSecondExchangeRate("MYR");
+        testExchanger.setInitialValueToBeConverted(100000);
+        double expected = 442574.257;
+        double actual = testExchanger.convertCurrency();
+        Assert.assertEquals(expected, actual, 0.005);
+    }
+
+    @Test
+    public void convertCurrencyTest9 () {
+        testExchanger.setStartingCurrencyRate("MYR");
+        testExchanger.setSecondExchangeRate("JPY");
+        testExchanger.setInitialValueToBeConverted(100000);
+        double expected = 2591498.88;
+        double actual = testExchanger.convertCurrency();
+        Assert.assertEquals(expected, actual, 0.005);
+    }
+
+    @Test
+    public void convertCurrencyTest10 () {
+        testExchanger.setStartingCurrencyRate("JPY");
+        testExchanger.setSecondExchangeRate("CNY");
+        testExchanger.setInitialValueToBeConverted(100000);
+        double expected = 5973.75691;
+        double actual = testExchanger.convertCurrency();
+        Assert.assertEquals(expected, actual, 0.005);
+    }
+
+}