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Collection of helpful assertions for use with qunit

License: MIT License

JavaScript 36.54% TypeScript 52.85% HTML 9.28% CSS 0.59% Handlebars 0.73%

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qunit-assertions-extra's Introduction

qunit-assertions-extra

A Collection of helpful assertions for use with qunit.

assert.contains('Hello there!', 'Hello');
assert.contains([1, 3], 3);

assert.matches('Hello there!', /Hello/);

Installation

yarn add --dev qunit-assertions-extra
npm install --save-dev qunit-assertions-extra

Then, wherever qunit tests are initialized, add

import * as QUnit from 'qunit';
import { setup } from 'qunit-assertions-extra';

setup(QUnit.assert);

This will also enable the tsserver to provide intellisense for assert.

Ember Projects

Requirements: ember-auto-import and add the above import to your tests/test-helper.js file.

Example:

import Application from '../app';
import * as QUnit from 'qunit';
import config from '../config/environment';
import { setApplication } from '@ember/test-helpers';
import { start } from 'ember-qunit';
import { setup } from 'qunit-assertions-extra';

setup(QUnit.assert);

setApplication(Application.create(config.APP));

start();

Contributing

See the Contributing guide for details.

Prior Art

qunit-dom much of the config for this repo was taken from qunit-dom.

License

This project is licensed under the MIT License.

qunit-assertions-extra's People

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krinkle yads rohitpaulk

qunit-assertions-extra's Issues

Contains matcher fails when checking for a falsey value

The following assertions will all fail:

assert.contains(['', 'foo', 'bar'], '')
assert.contains([false], false)
assert.contains([null], null)
assert.contains([undefined], undefined)

New assertion - Fuzzy object match

Hi @NullVoxPopuli!

Thanks for putting these together!

Have you considered fuzzy object match similar to what Sinon.js provides?

E.g. sometimes you need to match two objects and you care about one or two or three props but other props are out of concern for the test.

Currently, you can't use assert.deepEqual() as it will compare all props and it's achievable via something like:

const { foo, bar } = myObject.someMethod();

assert.equal(foo, 'foo value');
assert.equal(bar, 'bar value');

would be nice to do something like:

const result = myObject.someMethod();

assert.fuzzyEqual(result, {
  foo: 'foo value',
  bar: 'bar value'
});

where result might contain few more props that we don't care in this test.

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