ZCW-Money-Converter-BlueJ/CurrencyConverterTest.java

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

public class CurrencyConverterTest {
    CurrencyConverter cc = new CurrencyConverter();
    double delta = 0.01;

    @Test
    public void convertDollartoEuroTest(){
       double expected = 2.12;
        double actual = cc.convert(CurrencyEnum.US_DOLLAR.getRatio(), CurrencyEnum.EURO.getRatio(),2.00);
        
        assertEquals(expected,actual,delta);
    }

    @Test
    public void convertEurotoDollarTest(){
        double expected=4.70;
        double actual = cc.convert(CurrencyEnum.EURO.getRatio(),CurrencyEnum.US_DOLLAR.getRatio(),5);
        assertEquals(expected,actual,delta);
    }

    @Test
    public void convertEurotoBritishPoundTest(){
        double expected = 11.46;
        double actual = cc.convert(CurrencyEnum.EURO.getRatio(),CurrencyEnum.BRITISH_POUND.getRatio(),10);
        assertEquals(expected,actual,delta);
    }

    @Test
    public void convertBritishPoundtoIndianRupeeTest(){
        double expected = 12.00;
        double actual = cc.convert(CurrencyEnum.BRITISH_POUND.getRatio(),CurrencyEnum.INDIAN_RUPEE.getRatio(),1000);
        assertEquals(expected, actual, delta);
    }

    @Test
    public void convertRupeetoCanadianDollarTest(){
        double expected = 3157.21;
        double actual = cc.convert(CurrencyEnum.INDIAN_RUPEE.getRatio(),CurrencyEnum.CANADIAN_DOLLAR.getRatio(),61);
        assertEquals(expected,actual, delta);
    }

    @Test
    public void convertCanadianDollartoSingaporeDollarTest(){
        double expected = 72.00;
        double actual = cc.convert(CurrencyEnum.CANADIAN_DOLLAR.getRatio(), CurrencyEnum.SINGAPORE.getRatio(),78);
        assertEquals(expected,actual,delta);
    }

    @Test
    public void convertSingaporeDollartoSwissFrancTest(){
        double expected = 94.86;
        double actual = cc.convert(CurrencyEnum.SINGAPORE.getRatio(), CurrencyEnum.SWISS_FRANC.getRatio(),67);
        assertEquals(expected, actual, delta);
    }

    @Test
    public void convertSwissFranctoMalaysianRinggit(){
        double expected = 24.40;
        double actual = cc.convert(CurrencyEnum.SWISS_FRANC.getRatio(), CurrencyEnum.MALAYSIAN_RINGGIT.getRatio(),105);
        assertEquals(expected,actual,delta);
    }

    @Test
    public void convertMalaysianRinggittoJapaneseYenTest(){
        double expected = 192.93;
        double actual = cc.convert(CurrencyEnum.MALAYSIAN_RINGGIT.getRatio(),CurrencyEnum.JAPANESE_YEN.getRatio(),5000);
        assertEquals(expected, actual, delta);
    }

    @Test
    public void convertJapaneseYentoChineseYuanRenminbiTest(){
        double expected = 4184.97;
        double actual = cc.convert(CurrencyEnum.JAPANESE_YEN.getRatio(), CurrencyEnum.CHINESE_YUAN_RENMINBI.getRatio(), 250);
        assertEquals(expected, actual, delta);
    }
}