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50 lines
2.1 KiB
CoffeeScript
50 lines
2.1 KiB
CoffeeScript
QuerySubscriptionPool = require('../../src/flux/models/query-subscription-pool').default
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DatabaseStore = require('../../src/flux/stores/database-store').default
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Label = require '../../src/flux/models/label'
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describe "QuerySubscriptionPool", ->
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beforeEach ->
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@query = DatabaseStore.findAll(Label)
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@queryKey = @query.sql()
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QuerySubscriptionPool._subscriptions = {}
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describe "add", ->
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it "should add a new subscription with the callback", ->
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callback = jasmine.createSpy('callback')
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QuerySubscriptionPool.add(@query, callback)
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expect(QuerySubscriptionPool._subscriptions[@queryKey]).toBeDefined()
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subscription = QuerySubscriptionPool._subscriptions[@queryKey]
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expect(subscription.hasCallback(callback)).toBe(true)
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it "should yield database changes to the subscription", ->
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callback = jasmine.createSpy('callback')
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QuerySubscriptionPool.add(@query, callback)
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subscription = QuerySubscriptionPool._subscriptions[@queryKey]
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spyOn(subscription, 'applyChangeRecord')
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record = {objectType: 'whateves'}
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QuerySubscriptionPool._onChange(record)
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expect(subscription.applyChangeRecord).toHaveBeenCalledWith(record)
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describe "unsubscribe", ->
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it "should return an unsubscribe method", ->
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expect(QuerySubscriptionPool.add(@query, -> ) instanceof Function).toBe(true)
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it "should remove the callback from the subscription", ->
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cb = ->
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unsub = QuerySubscriptionPool.add(@query, cb)
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subscription = QuerySubscriptionPool._subscriptions[@queryKey]
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expect(subscription.hasCallback(cb)).toBe(true)
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unsub()
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expect(subscription.hasCallback(cb)).toBe(false)
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it "should wait before removing th subscription to make sure it's not reused", ->
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unsub = QuerySubscriptionPool.add(@query, -> )
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expect(QuerySubscriptionPool._subscriptions[@queryKey]).toBeDefined()
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unsub()
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expect(QuerySubscriptionPool._subscriptions[@queryKey]).toBeDefined()
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advanceClock()
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expect(QuerySubscriptionPool._subscriptions[@queryKey]).toBeUndefined()
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