FizzBuzzTDD.java

package org.teachingkidsprogramming.recipes.completed.section09final;

import static org.junit.Assert.assertEquals;

import org.junit.Test;

public class FizzBuzzTDD
{
  public static String convert(int i)
  {
    if (0 == i % 15) { return "FizzBuzz"; }
    if (0 == i % 5) { return "Buzz"; }
    if (0 == i % 3) { return "Fizz"; }
    return "" + i;
  }
  @Test
  public void test1Returns1()
  {
    String result = FizzBuzzTDD.convert(1);
    assertEquals("1", result);
  }
  @Test
  public void test2Returns2()
  {
    String result = FizzBuzzTDD.convert(2);
    assertEquals("2", result);
  }
  @Test
  public void test3ReturnsFizz()
  {
    String result = FizzBuzzTDD.convert(3);
    assertEquals("Fizz", result);
  }
  @Test
  public void test5ReturnsBuzz()
  {
    String result = FizzBuzzTDD.convert(5);
    assertEquals("Buzz", result);
  }
  @Test
  public void test6ReturnsFizz()
  {
    String result = FizzBuzzTDD.convert(6);
    assertEquals("Fizz", result);
  }
  @Test
  public void test10ReturnsBuzz()
  {
    String result = FizzBuzzTDD.convert(10);
    assertEquals("Buzz", result);
  }
  @Test
  public void test15ReturnsFizzBuzz()
  {
    String result = FizzBuzzTDD.convert(15);
    assertEquals("FizzBuzz", result);
  }
}