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Comments (5)

bantic avatar bantic commented on August 15, 2024

@brendanoh If you are using these in your tests you could make a test helper that sets this up.

In tests/helpers/start-app.js:

//... before 'export default function startApp'
var PHOTOS = ...;
var server = new Pretender(function() { ... });

This will start up your fake pretender server for any acceptance tests that use startApp, but it doesn't clean up after itself.

A more complicated, better approach would be to make a separate helper file:

// file: tests/helpers/fake-server.js
var server;

var PHOTOS = { ... };

export default {
  start: function(){
    server = new Pretender(function(){
       this.get('/photos', function(){ ... });
       ...
    });
  },
  stop: function(){
    server.shutdown();
  }
};

Then in your acceptance test, at the top:
import FakeServer from '../helpers/fake-server';

And your module looks like:

module('Acceptance: Index', {
  setup: function() {
    FakeServer.start();
    App = startApp();
  },
  teardown: {
    FakeServer.stop();
    Ember.run(App, 'destroy');
  }
});

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brendanoh avatar brendanoh commented on August 15, 2024

Yes using them in tests seems well documented. I wanted to use them for demo purposes or during development when my API isn't moving at the same pace as my front end. Is this not used for that purpose? Is it only for testing?

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bantic avatar bantic commented on August 15, 2024

@brendanoh You could make an initializer for your app:

// file: app/initializers/fake-server.js
var PHOTOS = { ... };

export default {
  name: 'fake-server',
  initialize: function(container, app){
     new Pretender(function(){
       this.get('/photos', function(){ ... });
     });
  }
};

The caveat about this approach is that you'd want to ensure that this fake server isn't used when your tests are running (the startApp function in your tests will run this initializer, by default). A hack around that would be to drop a global variable on your index.html: window.USE_FAKE_SERVER=true;, and in the initializer not do anything if window.USE_FAKE_SERVER is falsy. In your test/index.html the global wouldn't be present, so your tests will not auto-start this fake server.

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trek avatar trek commented on August 15, 2024

This is a great question for the ember-cli repo. Pretender is not Ember/ember-cli specific, so this answer varies depending on use case.

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brendanoh avatar brendanoh commented on August 15, 2024

@bantic thanks so much. That is exactly what I was looking for.

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