unit-test-ci's Introduction

Unit tesing and CI

The aim of this project is to show the basics of unit testing and GitHub powered continuous integration by the example of doubly linked list.

Installation

This project uses Node.js under the hood. Install using the following command:

Firstly, clone this repository

$ git clone https://github.com/nikolaichub/unit-test-ci.git

Go to project folder

$ cd unit-test-ci

Install all necessary dependencies

$ npm install

Usage

Testing

As this project is all about testing, here's all you need to do.

$ npm test

Example

I am using Mocha framework for clear results output. All the tests are covered by built-in Node.js assert library.

Success

Every test is passed

$ npm test

> mocha tests

  Doubly Linked List
    ✔ should append element
    ✔ should insert element
    ✔ should delete element
    ✔ should delete all elements by value
    ✔ should clone list
    ✔ should reverse list
    ✔ should clear whole list
    ✔ should extend list by another one
    ✔ should return element by id
    ✔ should return list length
    ✔ should return first element by value
    ✔ should return last element by value


  12 passing (13ms)

Fail

Some tests failed

> mocha tests

  Doubly Linked List
    1) should append element
    ✔ should insert element
    ✔ should delete element
    ✔ should delete all elements by value
    ✔ should clone list
    ✔ should reverse list
    ✔ should clear whole list
    ✔ should extend list by another one
    ✔ should return element by id
    ✔ should return list length
    ✔ should return first element by value
    ✔ should return last element by value

  11 passing (13ms)
  1 failing

  1) Doubly Linked List
       should append element:

      AssertionError [ERR_ASSERTION]: Append method addes wrong data
      + expected - actual

      -2
      +1