The unit test for the Karma/Jasmine Angular directive failed when run with a group of tests, but passed when run individually

I am facing an issue with an Angular directive that includes a <form> element with ng-submit bound to a function in the directive controller. While setting up and running the code and unit tests individually works fine.

The problem arises when running all of the unit tests together, resulting in unexpected behavior like

  PhantomJS 1.9.8 (Mac OS X 0.0.0) ERROR
  Some of your tests did a full page reload!
allMessages PhantomJS 1.9.8 (Mac OS X 0.0.0) ERROR
  Some of your tests did a full page reload!
PhantomJS 1.9.8 (Mac OS X 0.0.0) ERROR
  Some of your tests did a full page reload!

Below is the specific unit test causing the issue:

it('Verify submit button is clicked', function () {
            var btnSubmit = form.querySelector('#submit');                 
            btnSubmit.click();

            timeout.flush();
            expect(scope.blah).to.equal(blah);}

If I comment out the line btnSubmit.click(), everything works as expected.

Here is a snippet of the HTML code:

<paper-dialog modal class="pa-paper-dialog" id="blah" role="alertdialog">
    <paper-button 
        dialog-dismiss 
        class="close-button" 
        ng-click="resetPA(event)"> 

    </paper-button>
    <form class="blah" is="iron-form" ng-submit="submitFunction(blah)" method="get" action="/" id="form">
        <div class="pa-header">text</div>
        <div class="input-fields-panel"></div>
        <div class="buttons-panel">
            <button type="submit" class="blah" id="submit">Admit</button>
            <paper-button noink dialog-dismiss class="blah" ng-click="resetPA(event)">Cancel</paper-button>
        </div>
    </form>
</paper-dialog>

Any thoughts on why this might be happening?

Thank you!

Answer №1

We decided to take a different approach to resolve the issue...

Instead of utilizing button click() for form submission, we opted to access isolateScope and directly call the submit function in our test.

var element = $compile('<my-directive></my-directive>')(scope);
scope.$digest();
isolateScope = angular.element(element).isolateScope() || angular.element(element).scope();

scope.mySubmitfunction(blah blah);

By following this method, we were able to avoid any issues during unit testing and ensure that everything passed successfully.

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