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tester

v1.4.5

Published

Unit testing made simple and fun: flat colors and emoji in your tests.

Downloads

517

Readme

tester

Support me on Patreon Buy me a book PayPal Ask me anything Version Downloads Get help on Codementor

Unit testing made simple and fun: flat colors and emoji in your tests.

:star: Features

  • It does not create any globals.
  • Writing messages in custom streams (by default in process.stdout).
  • Easy interface for handling sync and async stuff.
  • Emoji & Flat colors :art:
  • Just run the test file using node

Tip :bulb:

Use the tester-init to init the test file.

tester

:cloud: Installation

# Using npm
npm install --save tester

# Using yarn
yarn add tester

After installing the package, you just need to set up a test file where you require the tester package. Your package.json will look like this:

{
  "name": "tester",
  ...
  "scripts": {
    "test": "node test/your-test-file.js"
  },
  ...
  "devDependencies": {
    "tester": "^1.0.0"
  }
}

test/your-test-file.js will contain your tests, like documented below.

:clipboard: Example

const tester = require("tester");

// Use describe to group the tests
tester.describe("Running some example tests", example => {

    // Without a callback (the code will be executed syncronously)
    example.should("be able to make simple checks using expect", () => {
        example.expect(true).toBe(true);
    });

    // Async function which will fail
    example.should("support async functions", (cb) => {
        setTimeout(function() {
            example.expect(true).toBe(false);
            cb();
        }, 100);
    });

    // Wait a second and pass
    example.it("wait a second", (cb) => {
        setTimeout(function() {
            example.expect(true).toBe(true);
            cb();
        }, 1000);
    });
});

tester.describe("Running another set of tests", another => {
    another.it("some test", () => {
        another.expect(true).toBe(true);
    });
});

:question: Get Help

There are few ways to get help:

  1. Please post questions on Stack Overflow. You can open issues with questions, as long you add a link to your Stack Overflow question.
  2. For bug reports and feature requests, open issues. :bug:
  3. For direct and quick help, you can use Codementor. :rocket:

:memo: Documentation

Describe(message, fn)

Creates a new Describe instance.

To change the default configuration, you can override the tester fields:

let tester = require("tester")

Colors

tester uses color-it to color the messages. You can use any available color name (defaults are listed):

  • colors (Object):
    • it (Object)
      • success: "green"
      • error: "red"
    • describe: "yellow"

For example, to have blue describe messages, you will do: tester.colors.describe = "blue".

Icons

tester uses emoji provided by emojic:

  • icons
    • it
      • success: "zap"
      • error: "x"
    • describe: "arrowRight"

Indent

tester uses indento to indent the strings:

  • indent
    • it: 5
    • describe: 2

Loggers

You can override any of the following fields

  • loggers
    • stream: The stream where the messages will be written (default: process.stdout).
    • it (err, itMessage, icon)
    • describe (message)

Params

  • String message: The Describe message.
  • Function fn: The callback function.

run(fn)

Runs the tests from this group.

Params

  • Function fn: The callback function.

expect()

This is a wrapper around the expect package.

Return

  • Expect The Expect result.

it(what, fn)

Adds a new test in the describe queue.

Params

  • String what: The test message.
  • Function fn: The callback function.

should(what, fn)

Adds a new test in the describe queue prefixing the message with should.

Params

  • String what: The test message.
  • Function fn: The callback function.

describe(what, fn)

Groups more tests together.

Params

  • String what: The describe message.
  • Function fn: The callback function.

:yum: How to contribute

Have an idea? Found a bug? See how to contribute.

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  • Starring and sharing the projects you like :rocket:

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Thanks! :heart:

:scroll: License

MIT © Ionică Bizău