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Using the Chutzpah test runner with a Cordova App project

The sample for this and the next topic is chutzpah-jasmine-vs in the cordova-samples repository on GitHub.

For this section you’ll need to have the Visual Studio Tools for Apache Cordova installed. If necessary, restart Visual Studio’s installer, press Modify, check the box for Cross-Platform Mobile Development > HTML/JavaScript (Apache Cordova), and press Update.

Now create a new project and pull in the unit and unit test code from the Basic Testing topic:

  1. Create a new app project through File > New Project, selecting JavaScript > Apache Cordova Apps > Blank App.
  2. Create a folder named test in the project (right click > Add > New folder) and import normalize_tests.js file (right click on test > Add > Existing Item).
  3. Import normalize.js into the project’s www/scripts folder.

The project should look something like this:

Project structure after importing normalize.js and normalize_tests.js

At this point, Visual Studio isn’t aware that there are any unit tests in the project at all, because we need a test runner that also has a Visual Studio tests adapter such that its reports integrate directly with Visual Studio’s Test Explorer.

Chutzpah is one such test runner with an adapter. To install it, go to Tools > Extensions and Updates… in Visual Studio, select Online, then search for and install the “Chutzpah Test Adapter” (you’ll also be prompted to restart Visual Studio):

Chutzpah tests adapter extension

The last bit is to tell Chutzpah about the files it should work with. Create a chutzpah.json file in the project’s root folder with the following contents:

  "References": [
    { "Path": "www/scripts/js/normalize.js" }

  "Tests": [
      { "Path": "test/normalize_tests.js" }

The “References” section clearly identifies the code to test and the “Tests” section identifies the unit test files. You’d obviously list more code and test files as you add them to a project.

Now select Test > Windows > Test Explorer and you’ll see the available tests listed there. Click Run All to build the project, run the tests, and see the results.

Test results in Visual Studio

This verifies that you have the mechanics of using Chutzpah working within Visual Studio. You can now do much more extensive unit testing as described in the next topic, Improve the unit test: an introduction to test-driven development.

Is the app itself running? Although Visual Studio builds the Cordova app project prior to running unit tests through Chutzpah, the app isn’t actually part of running the tests. Chutzpah invisibly loads JavaScript files from their locations in the project folder into PhantomJS and executes them there. Any app package that’s being built isn’t involved in the process.

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