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26705d8cfe
Summary: The diff adds very basic versioning to the database via sqlite's built-in `user_version`. If the version is bumped in DatabaseStore, it means that all existing data should be blown away and the user should have to refetch the entire cache. Critically, this does not log the user out. Test Plan: Run no new tests :-( Reviewers: evan Reviewed By: evan Differential Revision: https://phab.nylas.com/D1760
211 lines
7.6 KiB
CoffeeScript
211 lines
7.6 KiB
CoffeeScript
_ = require 'underscore'
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NylasLongConnection = require '../src/flux/nylas-long-connection'
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NylasSyncWorker = require '../src/flux/nylas-sync-worker'
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Namespace = require '../src/flux/models/namespace'
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Thread = require '../src/flux/models/thread'
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describe "NylasSyncWorker", ->
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beforeEach ->
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@apiRequests = []
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@api =
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makeRequest: (requestOptions) =>
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@apiRequests.push({requestOptions})
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getCollection: (namespace, model, params, requestOptions) =>
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@apiRequests.push({namespace, model, params, requestOptions})
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getThreads: (namespace, params, requestOptions) =>
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@apiRequests.push({namespace, model:'threads', params, requestOptions})
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spyOn(atom.config, 'get').andCallFake (key) =>
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expected = "nylas.sync-state.namespace-id"
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return throw new Error("Not stubbed! #{key}") unless key is expected
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return _.extend {}, {
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"contacts":
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busy: true
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complete: false
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"calendars":
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busy:false
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complete: true
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}
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spyOn(atom.config, 'set').andCallFake (key, val) =>
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return
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@namespace = new Namespace(id: 'namespace-id', organizationUnit: 'label')
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@worker = new NylasSyncWorker(@api, @namespace)
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@connection = @worker.connection()
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it "should reset `busy` to false when reading state from disk", ->
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state = @worker.state()
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expect(state.contacts.busy).toEqual(false)
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describe "start", ->
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it "should open the long polling connection", ->
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spyOn(@connection, 'start')
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@worker.start()
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expect(@connection.start).toHaveBeenCalled()
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it "should start querying for model collections and counts that haven't been fully cached", ->
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@worker.start()
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expect(@apiRequests.length).toBe(8)
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modelsRequested = _.compact _.map @apiRequests, ({model}) -> model
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expect(modelsRequested).toEqual(['threads', 'contacts', 'files', 'labels'])
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countsRequested = _.compact _.map @apiRequests, ({requestOptions}) ->
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if requestOptions.qs?.view is 'count'
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return requestOptions.path
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expect(modelsRequested).toEqual(['threads', 'contacts', 'files', 'labels'])
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expect(countsRequested).toEqual(['/n/namespace-id/threads', '/n/namespace-id/contacts', '/n/namespace-id/files', '/n/namespace-id/labels'])
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it "should mark incomplete collections as `busy`", ->
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@worker.start()
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nextState = @worker.state()
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for collection in ['contacts','threads','files', 'labels']
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expect(nextState[collection].busy).toEqual(true)
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it "should initialize count and fetched to 0", ->
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@worker.start()
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nextState = @worker.state()
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for collection in ['contacts','threads','files', 'labels']
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expect(nextState[collection].fetched).toEqual(0)
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expect(nextState[collection].count).toEqual(0)
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it "should periodically try to restart failed collection syncs", ->
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spyOn(@worker, 'resumeFetches').andCallThrough()
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@worker.start()
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advanceClock(50000)
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expect(@worker.resumeFetches.callCount).toBe(2)
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describe "when a count request completes", ->
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beforeEach ->
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@worker.start()
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@request = @apiRequests[0]
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@apiRequests = []
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it "should update the count on the collection", ->
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@request.requestOptions.success({count: 1001})
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nextState = @worker.state()
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expect(nextState.threads.count).toEqual(1001)
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describe "resumeFetches", ->
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it "should fetch collections", ->
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spyOn(@worker, 'fetchCollection')
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@worker.resumeFetches()
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expect(@worker.fetchCollection.calls.map (call) -> call.args[0]).toEqual(['threads', 'calendars', 'contacts', 'files', 'labels'])
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describe "fetchCollection", ->
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beforeEach ->
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@apiRequests = []
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it "should not start if the collection sync is already in progress", ->
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@worker._state.threads = {
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'busy': true
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'complete': false
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}
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@worker.fetchCollection('threads')
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expect(@apiRequests.length).toBe(0)
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it "should not start if the collection sync is already complete", ->
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@worker._state.threads = {
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'busy': false
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'complete': true
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}
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@worker.fetchCollection('threads')
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expect(@apiRequests.length).toBe(0)
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it "should start the request for the model count", ->
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@worker._state.threads = {
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'busy': false
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'complete': false
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}
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@worker.fetchCollection('threads')
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expect(@apiRequests[0].requestOptions.path).toBe('/n/namespace-id/threads')
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expect(@apiRequests[0].requestOptions.qs.view).toBe('count')
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it "should start the first request for models", ->
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@worker._state.threads = {
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'busy': false
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'complete': false
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}
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@worker.fetchCollection('threads')
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expect(@apiRequests[1].model).toBe('threads')
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expect(@apiRequests[1].params.offset).toBe(0)
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describe "when an API request completes", ->
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beforeEach ->
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@worker.start()
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@request = @apiRequests[1]
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@apiRequests = []
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describe "successfully, with models", ->
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it "should request the next page", ->
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pageSize = @request.params.limit
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models = []
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models.push(new Thread) for i in [0..(pageSize-1)]
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@request.requestOptions.success(models)
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expect(@apiRequests.length).toBe(1)
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expect(@apiRequests[0].params).toEqual
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limit: pageSize,
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offset: @request.params.offset + pageSize
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it "should update the fetched count on the collection", ->
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expect(@worker.state().threads.fetched).toEqual(0)
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pageSize = @request.params.limit
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models = []
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models.push(new Thread) for i in [0..(pageSize-1)]
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@request.requestOptions.success(models)
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expect(@worker.state().threads.fetched).toEqual(pageSize)
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describe "successfully, with fewer models than requested", ->
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beforeEach ->
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models = []
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models.push(new Thread) for i in [0..100]
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@request.requestOptions.success(models)
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it "should not request another page", ->
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expect(@apiRequests.length).toBe(0)
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it "should update the state to complete", ->
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expect(@worker.state().threads.busy).toEqual(false)
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expect(@worker.state().threads.complete).toEqual(true)
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it "should update the fetched count on the collection", ->
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expect(@worker.state().threads.fetched).toEqual(101)
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describe "successfully, with no models", ->
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it "should not request another page", ->
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@request.requestOptions.success([])
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expect(@apiRequests.length).toBe(0)
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it "should update the state to complete", ->
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@request.requestOptions.success([])
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expect(@worker.state().threads.busy).toEqual(false)
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expect(@worker.state().threads.complete).toEqual(true)
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describe "with an error", ->
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it "should log the error to the state", ->
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err = new Error("Oh no a network error")
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@request.requestOptions.error(err)
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expect(@worker.state().threads.busy).toEqual(false)
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expect(@worker.state().threads.complete).toEqual(false)
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expect(@worker.state().threads.error).toEqual(err.toString())
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it "should not request another page", ->
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@request.requestOptions.error(new Error("Oh no a network error"))
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expect(@apiRequests.length).toBe(0)
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describe "cleanup", ->
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it "should termiate the long polling connection", ->
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spyOn(@connection, 'end')
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@worker.cleanup()
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expect(@connection.end).toHaveBeenCalled()
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it "should stop trying to restart failed collection syncs", ->
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spyOn(console, 'log')
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spyOn(@worker, 'resumeFetches').andCallThrough()
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@worker.cleanup()
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advanceClock(50000)
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expect(@worker.resumeFetches.callCount).toBe(0)
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