Adding starter code files for unit testing chapter

Author: gildedgardenia

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

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+function hello(name) {
+   if (name === undefined)
+       name = "World";
+
+   return "Hello, " + name + "!";
+}
+
+module.exports = hello;

unit-testing/chapter-examples/hello-jest/package.json

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+{
+   "name": "unit-testing",
+   "version": "1.0.0",
+   "description": "",
+   "main": "hello.js",
+   "scripts": {
+     "test": "jest"
+   },
+   "author": "",
+   "license": "ISC",
+   "dependencies": {
+     "readline-sync": "^1.4.10"
+   },
+   "devDependencies": {
+    "jest": "^29.6.4"
+   }
+ }

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

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+const hello = require('../hello.js');
+
+describe("hello world test", function(){
+
+      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!");
+    });
+
+});

unit-testing/chapter-examples/reverse-example/package.json

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+{
+   "name": "unit-testing",
+   "version": "1.0.0",
+   "description": "",
+   "main": "reverse.js",
+   "scripts": {
+     "test": "jest"
+   },
+   "author": "",
+   "license": "ISC",
+   "dependencies": {
+     "readline-sync": "^1.4.10"
+   },
+   "devDependencies": {
+    "jest": "^29.6.4"
+   }
+ }

unit-testing/chapter-examples/reverse-example/reverse.js

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+function reverse(str) {
+   let lettersArray = str.split('');
+   let reversedLettersArray = lettersArray.reverse();
+   return reversedLettersArray.join('');
+}
+
+module.exports = reverse;

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

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+const reverse = require('../reverse.js');
+
+describe("reverse", function(){
+
+  test("should not change a single character", function(){
+    expect(reverse("a")).toBe("a");
+  });
+
+  test("should handle the empty string", function(){
+    expect(reverse("")).toBe("");
+  });
+
+  test("should reverse a short string", function(){
+    expect(reverse("dog")).toBe("god");
+  });
+
+  test("should reverse a long string", function(){
+    expect(reverse("LaunchCode")).toBe("edoChcnuaL");
+  });
+
+});

unit-testing/chapter-examples/transmission-processor/package.json

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+{
+   "name": "unit-testing",
+   "version": "1.0.0",
+   "description": "",
+   "main": "processor.js",
+   "scripts": {
+     "test": "jest"
+   },
+   "author": "",
+   "license": "ISC",
+   "dependencies": {
+     "readline-sync": "^1.4.10"
+   },
+   "devDependencies": {
+    "jest": "^29.6.4"
+   }
+ }

unit-testing/chapter-examples/transmission-processor/tests/processor.test.js

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+describe("transmission processor", function() {
+
+   //  TODO: put tests here
+ 
+ });

unit-testing/exercises/RPS.js

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+function whoWon(player1,player2){
+
+   if (player1 === player2){
+     return 'TIE!';
+   }
+   
+   if (player1 === 'rock' && player2 === 'paper'){
+     return 'Player 2 wins!';
+   }
+   
+   if (player1 === 'paper' && player2 === 'scissors'){
+     return 'Player 2 wins!';
+   }
+   
+   if (player1 === 'scissors' && player2 === 'rock '){
+     return 'Player 2 wins!';
+   }
+ 
+   return 'Player 1 wins!';
+ }

unit-testing/exercises/checkFive.js

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+function checkFive(num){
+   let result = '';
+   if (num < 5){
+     result = num + " is less than 5.";
+   } else if (num === 5){
+     result = num + " is equal to 5.";
+   } else {
+     result = num + " is greater than 5.";
+   }
+   return result;
+ }

unit-testing/exercises/package.json

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+{
+   "name": "unit-testing",
+   "version": "1.0.0",
+   "description": "",
+   "main": "checkFive.js",
+   "scripts": {
+     "test": "jest"
+   },
+   "author": "",
+   "license": "ISC",
+   "dependencies": {
+     "readline-sync": "^1.4.10"
+   },
+   "devDependencies": {
+    "jest": "^29.6.4"
+   }
+ }

unit-testing/exercises/tests/RPS.test.js

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+
+let launchcode = {
+  
+}
+
+module.exports = launchcode;
+

unit-testing/exercises/tests/checkFive.test.js

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+{
+   "name": "unit-testing",
+   "version": "1.0.0",
+   "description": "",
+   "main": "index.js",
+   "scripts": {
+     "test": "jest"
+   },
+   "author": "",
+   "license": "ISC",
+   "dependencies": {
+     "readline-sync": "^1.4.10"
+   },
+   "devDependencies": {
+    "jest": "^29.6.4"
+   }
+ }

unit-testing/studio/index.js

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+// launchcode.test.js code:
+const launchcode = require('../index.js');
+
+describe("Testing launchcode", function(){
+
+  // Write your unit tests here!
+  
+});