This blog helps you get started with Mocha and also present steps and sample tests which can be used to get started.
For installing Mocha globally such that it can be from anywhere, execute following command:
npm install --global mocha
For installing with npm, you may be required to install Nodejs. npm is distributed with NodeJS which implies that downloading and installing NodeJS automatically installs npm on your computer. One can get appropriate version of NodeJS from following page, Download NodeJS. Details on npm can be found on this page, NPM.
Execute mocha command to make sure it is installed appropriately. Following is the screenshot of output as a result of execution of mocha command:
Figure 1. Mocha Command Execution
The following steps represents the creation of unit test which will be run with Mocha.
var assert = require('assert'); describe('HelloWorld Module', function() { it('should return -1 when "Hello" is missing', function() { assert.equal(-1, "Hallo World".indexOf("Hello")); }); it('should return 0 when sentence starts with Hello', function() { assert.equal(0, "Hello World, how are you?".indexOf("Hello")); }); });
mocha tests/test.js
Following is how the test results would look like:
Mocha Unit Tests Results
Last updated: 25th Jan, 2025 Have you ever wondered how to seamlessly integrate the vast…
Hey there! As I venture into building agentic MEAN apps with LangChain.js, I wanted to…
Software-as-a-Service (SaaS) providers have long relied on traditional chatbot solutions like AWS Lex and Google…
Retrieval-Augmented Generation (RAG) is an innovative generative AI method that combines retrieval-based search with large…
The combination of Retrieval-Augmented Generation (RAG) and powerful language models enables the development of sophisticated…
Have you ever wondered how to use OpenAI APIs to create custom chatbots? With advancements…