segunda parte

pereta/src/FizzBuzz.java

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+import java.util.ArrayList;
+import java.util.List;
+
+
+public class FizzBuzz {
+
+	private List<Talker> talkers;
+
+	public FizzBuzz(){
+		this.talkers = new ArrayList<Talker>();
+	}
+
+	public String fizzBuzzer(int numberToFizzBuzzer){
+		String numberFizzBuzzed = "";
+
+		for (Talker talker : this.talkers)
+			numberFizzBuzzed += talker.sayWord(numberToFizzBuzzer);			
+
+		numberFizzBuzzed += sayNumber(numberToFizzBuzzer, numberFizzBuzzed);
+
+		return numberFizzBuzzed;
+	}
+
+	private String sayNumber(int numberToFizzBuzzer, String numberFizzBuzzed){
+		if(numberFizzBuzzed.isEmpty())
+			return String.valueOf(numberToFizzBuzzer);
+		return "";
+	}
+
+	public boolean addTalker(Talker talker){
+		return this.talkers.add(talker);
+	}
+
+	public Talker deleteTalker(int index){
+		return this.talkers.remove(index);
+	}
+
+	public List<Talker> getTalkers() {
+		return talkers;
+	}
+}

pereta/src/Talker.java

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+
+public class Talker {
+
+	private int divisor;
+	private String word;
+
+	public Talker(String word, int divisor){
+		this.word = word;
+		this.divisor = divisor;
+	}
+
+	public String sayWord(int numberToCheck){
+		boolean isDivisible = numberToCheck % this.divisor == 0;
+		boolean hasTheDivisor = containDivisor(numberToCheck);
+		if(isDivisible || hasTheDivisor)
+			return this.word;
+		return "";
+	}
+
+	private boolean containDivisor(int numberToCheck) {
+		String number = String.valueOf(numberToCheck);
+		String divisor = String.valueOf(this.divisor);
+		return number.contains(divisor);
+	}
+
+	public int getDivisor() {
+		return divisor;
+	}
+
+	public String getWord() {
+		return word;
+	}	
+}

pereta/test/FizzBuzzTest.java

@@ -0,0 +1,80 @@
+
+import org.junit.Before;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+
+public class FizzBuzzTest {
+
+	private FizzBuzz fizzBuzz;
+	private Talker fizzTalker;
+	private Talker buzzTalker;
+
+	@Before
+	public void setUp(){
+		fizzBuzz = new FizzBuzz();
+		fizzTalker = new Talker("Fizz", 3);
+		buzzTalker =  new Talker("Buzz", 5);
+		fizzBuzz.addTalker(fizzTalker);
+		fizzBuzz.addTalker(buzzTalker);
+	}
+
+	@Test
+	public void testFizzBuzzCaseNumber() throws Exception {
+		String expected;
+
+		expected = "1";
+		assertEquals(expected, fizzBuzz.fizzBuzzer(1));
+
+		expected = "2";
+		assertEquals(expected, fizzBuzz.fizzBuzzer(2));
+
+		expected = "4";
+		assertEquals(expected, fizzBuzz.fizzBuzzer(4));
+
+		expected = "7";
+		assertEquals(expected, fizzBuzz.fizzBuzzer(7));
+	}
+
+	@Test
+	public void testFizzBuzzCaseFizz() throws Exception {
+		String expected = "Fizz";
+
+		assertEquals(expected, fizzBuzz.fizzBuzzer(3));
+	}
+
+	@Test
+	public void testFizzBuzzCaseBuzz() throws Exception {
+		String expected = "Buzz";
+
+		assertEquals(expected, fizzBuzz.fizzBuzzer(5));
+	}
+
+	@Test
+	public void testFizzBuzzCaseFizzBuzz() throws Exception {
+		String expected = "FizzBuzz";
+
+		assertEquals(expected, fizzBuzz.fizzBuzzer(15));
+	}
+
+	@Test
+	public void testFizzBuzzCaseFizzContainsDivisor() throws Exception {
+		String expected = "Fizz";
+
+		assertEquals(expected, fizzBuzz.fizzBuzzer(131111));
+	}
+
+	@Test
+	public void testFizzBuzzCaseBuzzContainsDivisor() throws Exception {
+		String expected = "Buzz";
+
+		assertEquals(expected, fizzBuzz.fizzBuzzer(1115111));
+	}
+
+	@Test
+	public void testFizzBuzzCaseFizzBuzzContainsDivisor() throws Exception {
+		String expected = "FizzBuzz";
+
+		assertEquals(expected, fizzBuzz.fizzBuzzer(11135111));
+	}
+}