mirror of
https://github.com/balena-os/balena-supervisor.git
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130 lines
3.9 KiB
CoffeeScript
130 lines
3.9 KiB
CoffeeScript
mixpanel = require 'mixpanel'
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m = require 'mochainon'
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{ expect } = m.chai
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{ stub } = m.sinon
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supervisorVersion = require '../src/lib/supervisor-version'
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{ EventTracker } = require '../src/event-tracker'
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describe 'EventTracker', ->
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before ->
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stub(mixpanel, 'init').callsFake (token) ->
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return {
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token: token
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track: stub().returns()
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}
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@eventTrackerOffline = new EventTracker()
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@eventTracker = new EventTracker()
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stub(EventTracker.prototype, 'logEvent')
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after ->
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EventTracker.prototype.logEvent.restore()
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mixpanel.init.restore()
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it 'initializes in offline mode', ->
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promise = @eventTrackerOffline.init({
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offlineMode: true
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uuid: 'foobar'
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mixpanelHost: { host: '', path: '' }
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})
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expect(promise).to.be.fulfilled
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.then =>
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expect(@eventTrackerOffline.client).to.be.null
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it 'logs events in offline mode, with the correct properties', ->
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@eventTrackerOffline.track('Test event', { appId: 'someValue' })
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expect(@eventTrackerOffline.logEvent).to.be.calledWith('Event:', 'Test event', JSON.stringify({ appId: 'someValue' }))
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it 'initializes a mixpanel client when not in offline mode', ->
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promise = @eventTracker.init({
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mixpanelToken: 'someToken'
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uuid: 'barbaz'
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mixpanelHost: { host: '', path: '' }
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})
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expect(promise).to.be.fulfilled
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.then =>
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expect(mixpanel.init).to.have.been.calledWith('someToken')
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expect(@eventTracker.client.token).to.equal('someToken')
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expect(@eventTracker.client.track).to.be.a('function')
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it 'calls the mixpanel client track function with the event, properties and uuid as distinct_id', ->
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@eventTracker.track('Test event 2', { appId: 'someOtherValue' })
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expect(@eventTracker.logEvent).to.be.calledWith('Event:', 'Test event 2', JSON.stringify({ appId: 'someOtherValue' }))
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expect(@eventTracker.client.track).to.be.calledWith('Test event 2', {
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appId: 'someOtherValue'
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uuid: 'barbaz'
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distinct_id: 'barbaz'
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supervisorVersion
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})
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it 'can be passed an Error and it is added to the event properties', ->
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theError = new Error('something went wrong')
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@eventTracker.track('Error event', theError)
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expect(@eventTracker.client.track).to.be.calledWith('Error event', {
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error:
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message: theError.message
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stack: theError.stack
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uuid: 'barbaz'
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distinct_id: 'barbaz'
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supervisorVersion
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})
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it 'hides service environment variables, to avoid logging keys or secrets', ->
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props = {
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service:
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appId: '1'
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environment: {
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RESIN_API_KEY: 'foo'
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RESIN_SUPERVISOR_API_KEY: 'bar'
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OTHER_VAR: 'hi'
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}
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}
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@eventTracker.track('Some app event', props)
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expect(@eventTracker.client.track).to.be.calledWith('Some app event', {
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service: { appId: '1' }
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uuid: 'barbaz'
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distinct_id: 'barbaz'
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supervisorVersion
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})
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it 'should handle being passed no properties object', ->
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expect(@eventTracker.track('no-options')).to.not.throw
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describe 'Rate limiting', ->
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it 'should rate limit events of the same type', ->
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@eventTracker.client.track.reset()
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@eventTracker.track('test', {})
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@eventTracker.track('test', {})
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@eventTracker.track('test', {})
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@eventTracker.track('test', {})
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@eventTracker.track('test', {})
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expect(@eventTracker.client.track).to.have.callCount(1)
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it 'should rate limit events of the same type with different arguments', ->
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@eventTracker.client.track.reset()
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@eventTracker.track('test2', { a: 1 })
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@eventTracker.track('test2', { b: 2 })
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@eventTracker.track('test2', { c: 3 })
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@eventTracker.track('test2', { d: 4 })
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@eventTracker.track('test2', { e: 5 })
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expect(@eventTracker.client.track).to.have.callCount(1)
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it 'should not rate limit events of different types', ->
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@eventTracker.client.track.reset()
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@eventTracker.track('test3', { a: 1 })
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@eventTracker.track('test4', { b: 2 })
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@eventTracker.track('test5', { c: 3 })
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@eventTracker.track('test6', { d: 4 })
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@eventTracker.track('test7', { e: 5 })
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expect(@eventTracker.client.track).to.have.callCount(5)
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