Spec file "Cannot read property of 'subscribe' of undefined"

This page summarizes the projects mentioned and recommended in the original post on /r/Angular2

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  • SurveyJS - Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App
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  • ng-mocks

    Angular testing library for mocking components, directives, pipes, services and facilitating TestBed setup

  • Also, for mocking, I recommend looking into ng-mocks. https://github.com/ike18t/ng-mocks It makes mocking really easy.

  • spectator

    🦊 🚀 A Powerful Tool to Simplify Your Angular Tests

  • Another possibility is to look into Spectator https://github.com/ngneat/spectator. In Spectator, you can add mocks with a simple array. I have a blog series on it here https://medium.com/ngconf/introduction-to-spectator-4d03edf514dd. The next part talking about how to mock observables should be published soon.

  • SurveyJS

    Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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