chai-as-promised-also-chain
Adding .also chain in base library of chai-as-promised
Last updated 3 years ago by greenlikeorange .
MIT · Original npm · Tarball · package.json
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Chain-able Chai promised test case method

Instead of manually writing many test cases for a promise

return Promise.all([
  doSomethingAsync().should.eventually.have.deep.property('foo'),
  doSomethingAsync().should.eventually.have.deep.property('bar'),
  doSomethingAsync().should.eventually.have.deep.property('foobar')
])

you can write code that expresses what you really mean:

return doSomethingAsync().should
  .eventually.have.deep.property('foo')
  .also.have.deep.property('bar')
  .also.have.deep.property('foobar')
  .exec()

In case .also is same as .eventually and .to.eventually, after all you must call .exec() at the end of chain

Usage

Init test case

var chai = require('chai');
var chaiAsPromised = require('chai-as-promised')
var alsoChain = require('chai-as-promised-also-chain')

chai.use(chaiAsPromised)
chai.use(alsoChain)

var expect = chai.expect;

// OR

var should = chai.should();

should/expect Interface

expect(Promise.resolve({name: { first: 'maung', last: 'hla' }, age: 20}))
  .to.eventually
    .have.deep.property('name.first')
      .that.equal('maung')
  .also
    .have.all.keys(['name', 'age'])
  .exec()
Promise.resolve({name: { first: 'maung', last: 'hla' }, age: 20}))
  .should.eventually
    .have.deep.property('name.first')
      .that.equal('maung')
  .also
    .have.all.keys(['name', 'age'])
  .exec()

notify() is overwrite and that method make assertions for all chain

promise.should
  .eventually.have.deep.property('name')
  .also.contain.all.keys(['name', 'age'])
  .notify(done) // this assertion is call for all promise in chain

Current Tags

  • 1.0.2                                ...           latest (3 years ago)

2 Versions

  • 1.0.2                                ...           3 years ago
  • 1.0.1                                ...           3 years ago
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