JUnit 5 in Java 8 using Fizz Buzz example

src/test/java/com/techprimers/testing/FizzBuzzTest.java

@@ -0,0 +1,48 @@
+package com.techprimers.testing;
+
+import org.junit.jupiter.api.*;
+
+class FizzBuzzTest {
+
+    public FizzBuzz fB;
+
+    @BeforeEach
+    public void setUp() {
+        fB = new FizzBuzz();
+    }
+
+    @DisplayName("Play FizzBuzz with number = 1")
+    @Test
+    public void testNumber() {
+        String fizzBuzz = fB.play(1);
+        Assertions.assertEquals(fizzBuzz, "1");
+    }
+
+    @DisplayName("Play FizzBuzz with number = 3")
+    @Test
+    public void testFizz() {
+        String fizzBuzz = fB.play(3);
+        Assertions.assertEquals(fizzBuzz, "Fizz");
+    }
+
+    @DisplayName("Play FizzBuzz with number = 5")
+    @Test
+    public void testBuzz() {
+        String fizzBuzz = fB.play(5);
+        Assertions.assertEquals(fizzBuzz, "Buzz");
+    }
+
+    @DisplayName("Don't Play FizzBuzz with number = 0")
+    @Test
+    public void testZero() {
+
+        Assertions.assertThrows(IllegalArgumentException.class,
+                () -> fB.play(0));
+    }
+
+    @AfterEach
+    public void tearDown() {
+        fB = null;
+    }
+
+}