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@keithamus keithamus released this Jan 12, 2018 · 6 commits to master since this release

This is a major release which introduces many new featues, such as sandboxes, as well as new convenience methods and assertions.

This major release also comes with some breaking changes:

Breaking Changes

  • removed reset method. #35 (@stalniy)
    You will need to update any callsites to spy.reset() to instead assign a new spy to that variable or property.

  • exposes original function body in spy.toString calls #93 (@stalniy)
    If you check the spy.toString() output in your tests, this will need to be changed to accomodate for this change.


chai.spy.on(array, 'push', returns => 5)
chai.spy.on(array, 'push', function() {
  // custom implementation
const spy = chai.spy()

spy(1); // first call
spy(2); // second call
spy(3); // third call
spy(i); // nth call


Bug Fixes


Assets 2
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