stubbable-decorator

A decorator to make possible to stub modules in ECMAScript 2015+.

Installation

npm install -S stubbable-decorator

Usage

With a class

//
// Module declaration
//

import stubbable from 'stubbable-decorator'

class Foo {
  constructor(bar) {
    this.bar = bar
  }
}

export default stubbable(Foo)

//
// Testing
//

Foo.stub = sinon.stub().returns({})
const obj = new Foo()
expect(VHS.api.Poller.stub).calledOnce // 👍

With a function

//
// Module declaration
//

import stubbable from 'stubbable-decorator'

function foo() { return 123 }

export default stubbable(foo)

//
// Testing
//

foo.stub = sinon.stub().returns(321)
const result = foo()
expect(result).to.be.equal(321) // 👍

With a decorator

In the current spec it is only possible to decorate classes and classes properties.

//
// Module declaration
//

import stubbable from 'stubbable-decorator'

@stubbable
class Foo {
  constructor(bar) {
    this.bar = bar
  }
}

export default Foo

//
// Testing
//

Foo.stub = sinon.stub().returns({})
const obj = new Foo()
expect(VHS.api.Poller.stub).calledOnce // 👍

Credits

• Icon by Sergey Demushkin from The Noun Project

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