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240 lines
10 KiB
CoffeeScript
240 lines
10 KiB
CoffeeScript
_ = require 'underscore'
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Label = require '../../src/flux/models/label'
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Thread = require('../../src/flux/models/thread').default
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TestModel = require '../fixtures/db-test-model'
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ModelQuery = require '../../src/flux/models/query'
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DatabaseStore = require '../../src/flux/stores/database-store'
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testMatchers = {'id': 'b'}
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testModelInstance = new TestModel(id: "1234")
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testModelInstanceA = new TestModel(id: "AAA")
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testModelInstanceB = new TestModel(id: "BBB")
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describe "DatabaseStore", ->
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beforeEach ->
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TestModel.configureBasic()
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DatabaseStore._atomicallyQueue = undefined
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DatabaseStore._mutationQueue = undefined
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DatabaseStore._inTransaction = false
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spyOn(ModelQuery.prototype, 'where').andCallThrough()
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spyOn(DatabaseStore, 'accumulateAndTrigger').andCallFake -> Promise.resolve()
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@performed = []
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# Note: We spy on _query and test all of the convenience methods that sit above
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# it. None of these tests evaluate whether _query works!
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jasmine.unspy(DatabaseStore, "_query")
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spyOn(DatabaseStore, "_query").andCallFake (query, values=[], options={}) =>
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@performed.push({query: query, values: values})
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return Promise.resolve([])
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describe "find", ->
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it "should return a ModelQuery for retrieving a single item by Id", ->
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q = DatabaseStore.find(TestModel, "4")
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expect(q.sql()).toBe("SELECT `TestModel`.`data` FROM `TestModel` WHERE `TestModel`.`id` = '4' LIMIT 1")
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describe "findBy", ->
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it "should pass the provided predicates on to the ModelQuery", ->
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matchers = {'id': 'b'}
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DatabaseStore.findBy(TestModel, testMatchers)
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expect(ModelQuery.prototype.where).toHaveBeenCalledWith(testMatchers)
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it "should return a ModelQuery ready to be executed", ->
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q = DatabaseStore.findBy(TestModel, testMatchers)
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expect(q.sql()).toBe("SELECT `TestModel`.`data` FROM `TestModel` WHERE `TestModel`.`id` = 'b' LIMIT 1")
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describe "findAll", ->
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it "should pass the provided predicates on to the ModelQuery", ->
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DatabaseStore.findAll(TestModel, testMatchers)
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expect(ModelQuery.prototype.where).toHaveBeenCalledWith(testMatchers)
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it "should return a ModelQuery ready to be executed", ->
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q = DatabaseStore.findAll(TestModel, testMatchers)
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expect(q.sql()).toBe("SELECT `TestModel`.`data` FROM `TestModel` WHERE `TestModel`.`id` = 'b' ")
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describe "modelify", ->
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beforeEach ->
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@models = [
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new Thread(clientId: 'local-A'),
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new Thread(clientId: 'local-B'),
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new Thread(clientId: 'local-C'),
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new Thread(clientId: 'local-D', serverId: 'SERVER:D'),
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new Thread(clientId: 'local-E', serverId: 'SERVER:E'),
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new Thread(clientId: 'local-F', serverId: 'SERVER:F'),
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new Thread(clientId: 'local-G', serverId: 'SERVER:G')
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]
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# Actually returns correct sets for queries, since matchers can evaluate
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# themselves against models in memory
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spyOn(DatabaseStore, 'run').andCallFake (query) =>
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results = []
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for model in @models
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found = _.every query._matchers, (matcher) ->
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matcher.evaluate(model)
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results.push(model) if found
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Promise.resolve(results)
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describe "when given an array or input that is not an array", ->
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it "resolves immediately with an empty array", ->
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waitsForPromise =>
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DatabaseStore.modelify(Thread, null).then (output) =>
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expect(output).toEqual([])
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describe "when given an array of mixed IDs, clientIDs, and models", ->
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it "resolves with an array of models", ->
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input = ['SERVER:F', 'local-B', 'local-C', 'SERVER:D', @models[6]]
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expectedOutput = [@models[5], @models[1], @models[2], @models[3], @models[6]]
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waitsForPromise =>
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DatabaseStore.modelify(Thread, input).then (output) =>
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expect(output).toEqual(expectedOutput)
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describe "when the input is only IDs", ->
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it "resolves with an array of models", ->
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input = ['SERVER:D', 'SERVER:F', 'SERVER:G']
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expectedOutput = [@models[3], @models[5], @models[6]]
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waitsForPromise =>
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DatabaseStore.modelify(Thread, input).then (output) =>
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expect(output).toEqual(expectedOutput)
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describe "when the input is only clientIDs", ->
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it "resolves with an array of models", ->
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input = ['local-A', 'local-B', 'local-C', 'local-D']
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expectedOutput = [@models[0], @models[1], @models[2], @models[3]]
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waitsForPromise =>
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DatabaseStore.modelify(Thread, input).then (output) =>
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expect(output).toEqual(expectedOutput)
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describe "when the input is all models", ->
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it "resolves with an array of models", ->
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input = [@models[0], @models[1], @models[2], @models[3]]
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expectedOutput = [@models[0], @models[1], @models[2], @models[3]]
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waitsForPromise =>
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DatabaseStore.modelify(Thread, input).then (output) =>
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expect(output).toEqual(expectedOutput)
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describe "count", ->
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it "should pass the provided predicates on to the ModelQuery", ->
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DatabaseStore.findAll(TestModel, testMatchers)
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expect(ModelQuery.prototype.where).toHaveBeenCalledWith(testMatchers)
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it "should return a ModelQuery configured for COUNT ready to be executed", ->
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q = DatabaseStore.findAll(TestModel, testMatchers)
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expect(q.sql()).toBe("SELECT `TestModel`.`data` FROM `TestModel` WHERE `TestModel`.`id` = 'b' ")
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describe "inTransaction", ->
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it "calls the provided function inside an exclusive transaction", ->
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waitsForPromise =>
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DatabaseStore.inTransaction( =>
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DatabaseStore._query("TEST")
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).then =>
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expect(@performed.length).toBe 3
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expect(@performed[0].query).toBe "BEGIN IMMEDIATE TRANSACTION"
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expect(@performed[1].query).toBe "TEST"
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expect(@performed[2].query).toBe "COMMIT"
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it "preserves resolved values", ->
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waitsForPromise =>
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DatabaseStore.inTransaction( =>
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DatabaseStore._query("TEST")
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return Promise.resolve("myValue")
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).then (myValue) =>
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expect(myValue).toBe "myValue"
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it "always fires a COMMIT, even if the body function fails", ->
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waitsForPromise =>
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DatabaseStore.inTransaction( =>
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throw new Error("BOOO")
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).catch =>
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expect(@performed.length).toBe 2
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expect(@performed[0].query).toBe "BEGIN IMMEDIATE TRANSACTION"
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expect(@performed[1].query).toBe "COMMIT"
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it "can be called multiple times and get queued", ->
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waitsForPromise =>
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Promise.all([
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DatabaseStore.inTransaction( -> )
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DatabaseStore.inTransaction( -> )
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DatabaseStore.inTransaction( -> )
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]).then =>
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expect(@performed.length).toBe 6
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expect(@performed[0].query).toBe "BEGIN IMMEDIATE TRANSACTION"
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expect(@performed[1].query).toBe "COMMIT"
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expect(@performed[2].query).toBe "BEGIN IMMEDIATE TRANSACTION"
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expect(@performed[3].query).toBe "COMMIT"
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expect(@performed[4].query).toBe "BEGIN IMMEDIATE TRANSACTION"
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expect(@performed[5].query).toBe "COMMIT"
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it "carries on if one of them fails, but still calls the COMMIT for the failed block", ->
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caughtError = false
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DatabaseStore.inTransaction( => DatabaseStore._query("ONE") )
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DatabaseStore.inTransaction( => throw new Error("fail") ).catch ->
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caughtError = true
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DatabaseStore.inTransaction( => DatabaseStore._query("THREE") )
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advanceClock(100)
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expect(@performed.length).toBe 8
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expect(@performed[0].query).toBe "BEGIN IMMEDIATE TRANSACTION"
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expect(@performed[1].query).toBe "ONE"
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expect(@performed[2].query).toBe "COMMIT"
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expect(@performed[3].query).toBe "BEGIN IMMEDIATE TRANSACTION"
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expect(@performed[4].query).toBe "COMMIT"
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expect(@performed[5].query).toBe "BEGIN IMMEDIATE TRANSACTION"
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expect(@performed[6].query).toBe "THREE"
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expect(@performed[7].query).toBe "COMMIT"
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expect(caughtError).toBe true
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it "is actually running in series and blocks on never-finishing specs", ->
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resolver = null
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DatabaseStore.inTransaction( -> )
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advanceClock(100)
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expect(@performed.length).toBe 2
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expect(@performed[0].query).toBe "BEGIN IMMEDIATE TRANSACTION"
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expect(@performed[1].query).toBe "COMMIT"
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DatabaseStore.inTransaction( -> new Promise (resolve, reject) -> resolver = resolve)
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advanceClock(100)
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blockedPromiseDone = false
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DatabaseStore.inTransaction( -> ).then =>
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blockedPromiseDone = true
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advanceClock(100)
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expect(@performed.length).toBe 3
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expect(@performed[2].query).toBe "BEGIN IMMEDIATE TRANSACTION"
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expect(blockedPromiseDone).toBe false
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# Now that we've made our assertion about blocking, we need to clean up
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# our test and actually resolve that blocked promise now, otherwise
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# remaining tests won't run properly.
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advanceClock(100)
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resolver()
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advanceClock(100)
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expect(blockedPromiseDone).toBe true
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advanceClock(100)
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it "can be called multiple times and preserve return values", ->
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waitsForPromise =>
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v1 = null
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v2 = null
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v3 = null
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Promise.all([
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DatabaseStore.inTransaction( -> "a" ).then (val) -> v1 = val
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DatabaseStore.inTransaction( -> "b" ).then (val) -> v2 = val
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DatabaseStore.inTransaction( -> "c" ).then (val) -> v3 = val
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]).then =>
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expect(v1).toBe "a"
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expect(v2).toBe "b"
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expect(v3).toBe "c"
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it "can be called multiple times and get queued", ->
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waitsForPromise =>
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DatabaseStore.inTransaction( -> )
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.then -> DatabaseStore.inTransaction( -> )
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.then -> DatabaseStore.inTransaction( -> )
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.then =>
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expect(@performed.length).toBe 6
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expect(@performed[0].query).toBe "BEGIN IMMEDIATE TRANSACTION"
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expect(@performed[1].query).toBe "COMMIT"
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expect(@performed[2].query).toBe "BEGIN IMMEDIATE TRANSACTION"
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expect(@performed[3].query).toBe "COMMIT"
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expect(@performed[4].query).toBe "BEGIN IMMEDIATE TRANSACTION"
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expect(@performed[5].query).toBe "COMMIT"
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