tests written code coded

src/main/java/FizzBuzz.java

@@ -1,2 +1,15 @@
 public class FizzBuzz {
+
+
+    public static String of(int testNumber){
+        if (testNumber % 15 == 0) {
+            return "FizzBuzz";
+        } else if (testNumber % 5 == 0) {
+            return "Buzz";
+        } else if (testNumber % 3 == 0) {
+            return "Fizz";
+        }
+        return Integer.toString(testNumber);
+
+    }
 }

src/test/java/FizzBuzzTest.java

@@ -1,2 +1,146 @@
+import org.junit.Assert;
+import org.junit.Test;
+
+
 public class FizzBuzzTest {
-}
+    @Test
+    public void fizzTest() {
+        //GIVEN
+        int testNumber = 15;
+        String expectedOutput = "FizzBuzz";
+
+        //WHEN
+        String actualOutput = FizzBuzz.of(testNumber);
+
+        //THEN
+
+        Assert.assertEquals(expectedOutput, actualOutput);
+
+    }
+@Test
+public void fizzTest1(){
+        //GIVEN
+        int testNumber = 3;
+        String expectedOutput = "Fizz";
+
+        //WHEN
+        String actualOutput = FizzBuzz.of(testNumber);
+
+        //THEN
+
+        Assert.assertEquals(expectedOutput,actualOutput);
+
+    }
+
+@Test
+    public void fizzTest2(){
+        //GIVEN
+        int testNumber = 6;
+        String expectedOutput = "Fizz";
+
+        //WHEN
+        String actualOutput = FizzBuzz.of(testNumber);
+
+        //THEN
+
+        Assert.assertEquals(expectedOutput,actualOutput);
+
+    }
+@Test
+    public void fizzTest3(){
+        //GIVEN
+        int testNumber = 2;
+        String expectedOutput = "2";
+
+        //WHEN
+        String actualOutput = FizzBuzz.of(testNumber);
+
+        //THEN
+
+        Assert.assertEquals(expectedOutput,actualOutput);
+
+    }
+@Test
+    public void fizzTest4(){
+        //GIVEN
+        int testNumber = 1;
+        String expectedOutput = "1";
+
+        //WHEN
+        String actualOutput = FizzBuzz.of(testNumber);
+
+        //THEN
+
+        Assert.assertEquals(expectedOutput,actualOutput);
+
+    }
+@Test
+    public void fizzTest5(){
+        //GIVEN
+        int testNumber = 25;
+        String expectedOutput = "Buzz";
+
+        //WHEN
+        String actualOutput = FizzBuzz.of(testNumber);
+
+        //THEN
+
+        Assert.assertEquals(expectedOutput,actualOutput);
+
+    }
+@Test
+    public void fizzTest6(){
+        //GIVEN
+        int testNumber = 12;
+        String expectedOutput = "Fizz";
+
+        //WHEN
+        String actualOutput = FizzBuzz.of(testNumber);
+
+        //THEN
+
+        Assert.assertEquals(expectedOutput,actualOutput);
+
+    }
+    @Test
+    public void fizzTest7(){
+        //GIVEN
+        int testNumber = 9;
+        String expectedOutput = "Fizz";
+
+        //WHEN
+        String actualOutput = FizzBuzz.of(testNumber);
+
+        //THEN
+
+        Assert.assertEquals(expectedOutput,actualOutput);
+
+    }
+@Test
+    public void fizzTest8(){
+        //GIVEN
+        int testNumber = 11;
+        String expectedOutput = "11";
+
+        //WHEN
+        String actualOutput = FizzBuzz.of(testNumber);
+
+        //THEN
+
+        Assert.assertEquals(expectedOutput,actualOutput);
+    }
+    @Test
+    public void fizzTest9(){
+        //GIVEN
+        int testNumber = 24;
+        String expectedOutput = "Fizz";
+
+        //WHEN
+        String actualOutput = FizzBuzz.of(testNumber);
+
+        //THEN
+
+        Assert.assertEquals(expectedOutput,actualOutput);
+
+    }
+}