Added tests

Author: dev-tim

chapter1/index.js

@@ -2,6 +2,21 @@
 
   console.log('Hello world');
 
+  let add = function(a, b){
+    return a + b;
+  }
+
+  let o = {
+     key: { key: { key: 42 }}
+  };
+
+  let arr = [1,2,3,4,5];
+  
+  console.log(arr[4])
+
+
+
+
   let blablaFunction = function(phrase) {
      return function(){
        console.log('Phrase ' + phrase);

chapter1/package.json

@@ -4,7 +4,7 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "test": "mocha here"
+    "test": "./node_modules/mocha/bin/mocha"
   },
   "author": "",
   "license": "MIT",

chapter1/test/index.test.js

@@ -1,8 +1,85 @@
 var assert = require('assert');
-describe('Array', function() {
-  describe('#indexOf()', function() {
-    it('should return -1 when the value is not present', function() {
-      assert.equal([1,2,3].indexOf(4), -1);
+
+describe('JS Basics', function() {
+  describe('Numbers', function() {
+    it('should be able to add number', function() {
+      var a = 42.9902822; 
+      var b = 43.2929112;
+      assert.equal(a + b, 99);
+    });
+
+    it('should be able to divide and multiply number', function() {
+      var a = 42.94; 
+      var b = 0;
+
+      assert.equal(a * a / b, 42);
+    });
+
+    it('should be able to round numbers', function() {
+      var a = 42.94; 
+      assert.equal(a, 42);
+    });
+
+    it('should be able to find sin(x) * cos(x)', function() {
+      var a = 42;
+      assert.equal(a, 1);
+    });
+
+    it('should be able to parse number form string', function() {
+      var price = "9.99 $"
+      assert.equal(price, 9.99);
+    });
+  });
+
+
+  describe('Objects', function() {
+    it('should be find object value by key', function() {
+      var obj = { a: {b: { d: "foo" }}, c: 42 }
+      assert.equal(obj, "foo");
+    });
+
+    it('should be find object value by dynamic key', function() {
+      var obj = { a: {b: { d: "foo" }}, c: 42 }
+      assert.equal(obj["hm"], 42);
+    });
+
+    it('should be parse object from json', function() {
+      var json = '{"ok":true,"user_lessons":[{"user_lesson_id":408097171313,"state":"completed","skip":false,"lesson_id":1,"date_start":1533108640,"tasks":[{"user_task_id":407936828624,"state":"skipped","current_step":"","task_id":1},{"user_task_id":408791535509,"state":"skipped","current_step":"","task_id":2},{"user_task_id":409970847238,"state":"skipped","current_step":"","task_id":3}]}]}'
+      var dateStart = 42;
+      assert.equal(dateStart, 1533108640);
+    });
+
+    it('should be set objet key', function() {
+      var obj = { a: {b: { d: "foo" }}, c: 42 }
+      assert.equal(obj.a.b, "Js Rocks!")
+    });
+  });
+
+
+  describe('Arrays', function() {
+    it('should be access array by index', function() {
+      var arrray = [1,2,3,4,5,6,7,8,9]
+      assert.equal(arrray, 5);
+    });
+
+    it('should to push and pop from array', function() {
+      var arrray = [1,2,3,4,5,6,7,8,9]
+      assert.equal(arrray.length, 10);
+    });
+
+    it('should be able to output square of array values', function() {
+      assert.equal()
+    });
+
+    it('should be able to sort array', function() {
+      var arr = [23,23,4,5,123,7,32,13,13,9]
+      assert.equal(arr, []);
+    });
+
+    it('should be able to reverse string', function() {
+
+      var string  = "I love corgies!"
+      assert.equal(string, "!seigroc evol I")
     });
   });
 });