Jasmine

Jasmine

https://www.npmjs.com/package/jasmine

The Jasmine Module

The jasmine module is a package of helper code for developing Jasmine projects for Node.js.

The core of jasmine lives at https://github.com/jasmine/jasmine and is jasmine-core in npm.

Contents

This module allows you to run Jasmine specs for your Node.js code. The output will be displayed in your terminal by default.

Installation

# Local installation: 

npm install --save-dev jasmine

 

# Global installation 

npm install -g jasmine

Initializing

To initialize a project for Jasmine

jasmine init

To seed your project with some examples

jasmine examples

https://jasmine.github.io/setup/nodejs.html

Note that if you installed Jasmine locally you could still use the command line like this:

node node_modules/jasmine/bin/jasmine init

DEMO

describe("A suite", function() {
  it("contains spec with an expectation", function() {
    expect(true).toBe(true);
  });
});

API

https://jasmine.github.io/api/3.0/global.html#expect

describe(description, specDefinitions)

Create a group of specs (often called a suite).

Calls to describe can be nested within other calls to compose your suite as a tree.

Parameters:

Name	Type	Description
description	String	Textual description of the group
specDefinitions	function	Function for Jasmine to invoke that will define inner suites and specs

expect(actual) → {matchers}

Create an expectation for a spec.

Parameters:

Name	Type	Description
actual	Object	Actual computed value to test expectations against.