Mailspring/internal_packages/worker-sync/spec/nylas-sync-worker-pool-spec.coffee
Evan Morikawa 5582782ddd refactor(delta): add a second delta stream, convert to es6, and cleanup
This reverts commit ee5609bdb0.

Updates to nylas sync worker to support multiple cursors

Convert NylasSyncWorker to es6

Convert NylasSyncWorkerPool to es6

Extract into deltaProcessor

Update names to NylasSyncWorker state

Working on spec fixes

More spec fixes

Delta stream refactor fixes
2016-11-30 13:42:10 -05:00

126 lines
5.1 KiB
CoffeeScript

_ = require 'underscore'
fs = require 'fs'
path = require 'path'
{NylasAPI,
Thread,
DatabaseStore,
DatabaseTransaction,
Actions} = require 'nylas-exports'
NylasSyncWorkerPool = require('../lib/nylas-sync-worker-pool').default
NylasSyncWorkerPool = new NylasSyncWorkerPool()
fixturesPath = path.resolve(__dirname, 'fixtures')
describe "NylasSyncWorkerPool", ->
describe "handleDeltas", ->
beforeEach ->
@sampleDeltas = JSON.parse(fs.readFileSync("#{fixturesPath}/sample.json"))
@sampleClustered = JSON.parse(fs.readFileSync("#{fixturesPath}/sample-clustered.json"))
it "should immediately fire the received raw deltas event", ->
spyOn(Actions, 'longPollReceivedRawDeltas')
spyOn(NylasSyncWorkerPool, '_clusterDeltas').andReturn({create: {}, modify: {}, destroy: []})
NylasSyncWorkerPool._handleDeltas(@sampleDeltas)
expect(Actions.longPollReceivedRawDeltas).toHaveBeenCalled()
it "should call helper methods for all creates first, then modifications, then destroys", ->
spyOn(Actions, 'longPollProcessedDeltas')
handleDeltaDeletionPromises = []
resolveDeltaDeletionPromises = ->
fn() for fn in handleDeltaDeletionPromises
handleDeltaDeletionPromises = []
spyOn(NylasSyncWorkerPool, '_handleDeltaDeletion').andCallFake ->
new Promise (resolve, reject) ->
handleDeltaDeletionPromises.push(resolve)
handleModelResponsePromises = []
resolveModelResponsePromises = ->
fn() for fn in handleModelResponsePromises
handleModelResponsePromises = []
spyOn(NylasAPI, '_handleModelResponse').andCallFake ->
new Promise (resolve, reject) ->
handleModelResponsePromises.push(resolve)
spyOn(NylasSyncWorkerPool, '_clusterDeltas').andReturn(JSON.parse(JSON.stringify(@sampleClustered)))
NylasSyncWorkerPool._handleDeltas(@sampleDeltas)
createTypes = Object.keys(@sampleClustered['create'])
expect(NylasAPI._handleModelResponse.calls.length).toEqual(createTypes.length)
expect(NylasAPI._handleModelResponse.calls[0].args[0]).toEqual(_.values(@sampleClustered['create'][createTypes[0]]))
expect(NylasSyncWorkerPool._handleDeltaDeletion.calls.length).toEqual(0)
NylasAPI._handleModelResponse.reset()
resolveModelResponsePromises()
advanceClock()
modifyTypes = Object.keys(@sampleClustered['modify'])
expect(NylasAPI._handleModelResponse.calls.length).toEqual(modifyTypes.length)
expect(NylasAPI._handleModelResponse.calls[0].args[0]).toEqual(_.values(@sampleClustered['modify'][modifyTypes[0]]))
expect(NylasSyncWorkerPool._handleDeltaDeletion.calls.length).toEqual(0)
NylasAPI._handleModelResponse.reset()
resolveModelResponsePromises()
advanceClock()
destroyCount = @sampleClustered['destroy'].length
expect(NylasSyncWorkerPool._handleDeltaDeletion.calls.length).toEqual(destroyCount)
expect(NylasSyncWorkerPool._handleDeltaDeletion.calls[0].args[0]).toEqual(@sampleClustered['destroy'][0])
expect(Actions.longPollProcessedDeltas).not.toHaveBeenCalled()
resolveDeltaDeletionPromises()
advanceClock()
expect(Actions.longPollProcessedDeltas).toHaveBeenCalled()
describe "clusterDeltas", ->
beforeEach ->
@sampleDeltas = JSON.parse(fs.readFileSync("#{fixturesPath}/sample.json"))
@expectedClustered = JSON.parse(fs.readFileSync("#{fixturesPath}/sample-clustered.json"))
it "should collect create/modify events into a hash by model type", ->
{create, modify} = NylasSyncWorkerPool._clusterDeltas(@sampleDeltas)
expect(create).toEqual(@expectedClustered.create)
expect(modify).toEqual(@expectedClustered.modify)
it "should collect destroys into an array", ->
{destroy} = NylasSyncWorkerPool._clusterDeltas(@sampleDeltas)
expect(destroy).toEqual(@expectedClustered.destroy)
describe "handleDeltaDeletion", ->
beforeEach ->
@thread = new Thread(id: 'idhere')
@delta =
"cursor": "bb95ddzqtr2gpmvgrng73t6ih",
"object": "thread",
"event": "delete",
"id": @thread.id,
"timestamp": "2015-08-26T17:36:45.297Z"
spyOn(DatabaseTransaction.prototype, 'unpersistModel')
it "should resolve if the object cannot be found", ->
spyOn(DatabaseStore, 'find').andCallFake (klass, id) =>
return Promise.resolve(null)
waitsForPromise =>
NylasSyncWorkerPool._handleDeltaDeletion(@delta)
runs =>
expect(DatabaseStore.find).toHaveBeenCalledWith(Thread, 'idhere')
expect(DatabaseTransaction.prototype.unpersistModel).not.toHaveBeenCalled()
it "should call unpersistModel if the object exists", ->
spyOn(DatabaseStore, 'find').andCallFake (klass, id) =>
return Promise.resolve(@thread)
waitsForPromise =>
NylasSyncWorkerPool._handleDeltaDeletion(@delta)
runs =>
expect(DatabaseStore.find).toHaveBeenCalledWith(Thread, 'idhere')
expect(DatabaseTransaction.prototype.unpersistModel).toHaveBeenCalledWith(@thread)
describe "handleModelResponse", ->
# SEE spec/nylas-api-spec.coffee