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Meteor Guide - DATA

Testing

How to test your Meteor application

Types of tests:

  • Unit Test
  • integration test
  • acceptance/end-to-end test
  • load/stress test

Challenges of testing in Meteor

  • Client/server data:
  • Reactivity: delay with changes impact, resolve with Tracker.afterFlush()

The ‘meteor test’ command

meteor test

  • Load any file in our application (including in imports/ folders) that look like .test[s]., or .spec[s].
  • Doesn’t eagerly load any of our application code as Meteor normally would.
  • Sets the Meteor.isTest flag to be true.
  • Starts up the test driver package This is ideal for unit tests and simple integration tests.

meteor test --full-app

Additionally, Meteor offers a “full application” test mode. This enables you to write much more complex integration tests and also load additional files for acceptance tests.

  • It loads test files matching .app-test[s]. and .app-spec[s]..
  • It does eagerly load our application code as Meteor normally would.
  • Sets the Meteor.isAppTest flag to be true (instead of the Meteor.isTest flag).

Driver packages: Recommended: Mocha

These packages don’t do anything in development or production mode.