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77 lines
2.4 KiB
CoffeeScript
77 lines
2.4 KiB
CoffeeScript
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sinon = require('sinon')
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chai = require 'chai'
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expect = chai.expect
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SandboxedModule = require('sandboxed-module')
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modulePath = require('path').join __dirname, '../../../app/js/LearnedWordsManager'
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describe "LearnedWordsManager", ->
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beforeEach ->
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@token = "a6b3cd919ge"
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@callback = sinon.stub()
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@db =
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spellingPreferences:
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update: sinon.stub().callsArg(3)
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@LearnedWordsManager = SandboxedModule.require modulePath, requires:
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"./DB" : @db
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describe "learnWord", ->
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beforeEach ->
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@word = "instanton"
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@LearnedWordsManager.learnWord @token, @word, @callback
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it "should insert the word in the word list in the database", ->
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expect(
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@db.spellingPreferences.update.calledWith({
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token: @token
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}, {
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$push : learnedWords: @word
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}, {
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upsert: true
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})
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).to.equal true
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it "should call the callback", ->
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expect(@callback.called).to.equal true
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describe "getLearnedWords", ->
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beforeEach ->
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@wordList = ["apples", "bananas", "pears"]
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@db.spellingPreferences.findOne = (conditions, callback) =>
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callback null, learnedWords: @wordList
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sinon.spy @db.spellingPreferences, "findOne"
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@LearnedWordsManager.getLearnedWords @token, @callback
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it "should get the word list for the given user", ->
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expect(
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@db.spellingPreferences.findOne.calledWith token: @token
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).to.equal true
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it "should return the word list in the callback", ->
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expect(@callback.calledWith null, @wordList).to.equal true
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###
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describe "caching the result", ->
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it 'should use the cache first if it is primed', (done)->
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@wordList = ["apples", "bananas", "pears"]
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@cache.get.callsArgWith(1, null, learnedWords: @wordList)
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@db.spellingPreferences.findOne = sinon.stub()
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@LearnedWordsManager.getLearnedWords @token, (err, spellings)=>
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@db.spellingPreferences.find.called.should.equal false
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@wordList.should.equal spellings
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done()
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it 'should set the cache after hitting the db', (done)->
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@wordList = ["apples", "bananas", "pears"]
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@cache.get.callsArgWith(1)
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@db.spellingPreferences.findOne = sinon.stub().callsArgWith(1, null, learnedWords: @wordList)
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@LearnedWordsManager.getLearnedWords @token, (err, spellings)=>
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@cache.set.calledWith(@token, learnedWords:@wordList).should.equal true
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done()
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it 'should break cache when update is called', (done)->
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@word = "instanton"
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@LearnedWordsManager.learnWord @token, @word, =>
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@cache.break.calledWith(@token).should.equal true
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done()
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###
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