Unit testing chapter examples completed

Author: ChronicleGremlin

unit-testing/chapter-examples/hello-jest/tests/hello.test.js

@@ -1,13 +1,13 @@
 const hello = require('../hello.js');
 
-describe("hello world test", function(){
+describe("hello world test", function () {
 
-      test("should return a custom message when name is specified", function(){
-         expect(hello("Jest")).toBe("Hello, Jest!");
-      });
+  test("should return a custom message when name is specified", function () {
+    expect(hello("Jest")).toBe("Hello, Jest!");
+  });
 
-      it("should return a general greeting when name is not specified", function(){
-        expect(hello()).toBe("Hello, World!");
-    });
+  test("should return a general greeting when name is not specified", function () {
+    expect(hello()).toBe("Hello, World!");
+  });
 
 });

unit-testing/chapter-examples/palindrome-example/tests/palindrome.test.js

@@ -0,0 +1,42 @@
+const isPalindrome = require('../palindrome.js');
+
+describe("testing isPalindrome", function () {
+
+    test("should return true for a single letter", function () {
+        expect(isPalindrome("a")).toBe(true);
+    });
+
+    test("should return true for a single letter repeated", function () {
+        expect(isPalindrome("aaa")).toBe(true);
+    });
+
+    test("should return true for a simple palindrome", function () {
+        expect(isPalindrome("aba")).toBe(true);
+    });
+
+    test("should return true for a longer palindrome", function () {
+        expect(isPalindrome("racecar")).toBe(true);
+    });
+
+    test("should return false for a longer non-palindrome", function () {
+        expect(isPalindrome("launchcode")).toBe(false);
+    });
+
+    test("should return false for a simple non-palindrome", function () {
+        expect(isPalindrome("ab")).toBe(false);
+    });
+
+    test("should be case-sensitive", function () {
+        expect(isPalindrome("abA")).toBe(false);
+    });
+
+    test("should consider whitespace", function () {
+        expect(isPalindrome("so many dynamos")).toBe(false);
+    });
+    
+    test("should consider the empty string a palindrome", function() {
+        expect(isPalindrome("")).toBe(true);
+     });
+
+});
+