Is it possible yadda with electron-spectrum? about yadda HOT 3 CLOSED

I haven't any experience with electron or electron-spectrum, but I think so. Yadda isn't doing anything particularly clever in the mocha plugin - it just calls describe and it, passing them the scenario title and step text. Assuming electron-spectrum works just like mocha if you execute before or beforeAll within the feature, scenario and step callbacks I think you'll see the code executing.

There's an example here, but it only uses global setup.

One thing to watch out for - if app.start() isn't synchronous you'll need to find some say to wait until the application has actually started.

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Any luck getting it working?

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Sure. Sorry for the late comment here.
It's just like what you said, execute before, after within features, and it works.
the code may like this

new Yadda.FeatureFileSearch('./test//features/mrtFeature').each(function(file) {

    featureFile(file, function(feature) {

        var library = require('./test/steps/mrt.js');
        var yadda = Yadda.createInstance(library);
        before(function () {
            this.app = new Application({
              args: [path.join(__dirname, './')]
            })
            return this.app.start()
          })
    
    scenarios(feature.scenarios, function(scenario) {
        steps(scenario.steps, function(step, done) {
            yadda.run(step, done);
        });
    });
    after(function () {
        if (this.app && this.app.isRunning()) {
          return this.app.stop()
        }
      })
});
});

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