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wait-until-promise

A simple utilty to wait until condition is true, returning a promise

1.0.0
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wait-until-promise

Test utility to simplify waiting for a condition

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Dependency Status Dev Dependency Status

Usage

To use it, import the module, and pass it a function. A promise is returned, and it is resolved after the passed function returns a truthy value. If the function passed never returns a truthy value, or it times out, the promise is rejected.

import $ from 'jquery';
import waitUntil from 'wait-until-promise';

describe('some thing', () => {
  it('should do something', (done) => {
    const button = $('#button');
    const paragraph = $('p');

    button.click();

    waitUntil(() => paragraph.text() === 'button clicked')
      .then(() => done());
  })

  // The promise is resolved with the return-value. Useful to if you want to
  // wait until something exists, then make assertions on it
  it('should do something else', (done) => {
    const button = $('#button');
    const paragraph = $('p');

    button.click();

    waitUntil(() => paragraph.text())
      .then((text) => expect(test).toBe('The text in the paragraph'));
  })
})

API

See API.md

Change log

See CHANGELOG.md

Keywords

jasmine

FAQs

Package last updated on 11 Jun 2016

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