overleaf/services/document-updater/test/acceptance/coffee/GettingADocumentTests.coffee

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sinon = require "sinon"
chai = require("chai")
chai.should()
expect = chai.expect
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MockWebApi = require "./helpers/MockWebApi"
DocUpdaterClient = require "./helpers/DocUpdaterClient"
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DocUpdaterApp = require "./helpers/DocUpdaterApp"
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describe "Getting a document", ->
before (done) ->
@lines = ["one", "two", "three"]
@version = 42
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DocUpdaterApp.ensureRunning(done)
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describe "when the document is not loaded", ->
before (done) ->
[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
sinon.spy MockWebApi, "getDocument"
MockWebApi.insertDoc @project_id, @doc_id, {lines: @lines, version: @version}
DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, @returnedDoc) => done()
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after ->
MockWebApi.getDocument.restore()
it "should load the document from the web API", ->
MockWebApi.getDocument
.calledWith(@project_id, @doc_id)
.should.equal true
it "should return the document lines", ->
@returnedDoc.lines.should.deep.equal @lines
it "should return the document at its current version", ->
@returnedDoc.version.should.equal @version
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describe "when the document is already loaded", ->
before (done) ->
[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
MockWebApi.insertDoc @project_id, @doc_id, {lines: @lines, version: @version}
DocUpdaterClient.preloadDoc @project_id, @doc_id, (error) =>
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throw error if error?
sinon.spy MockWebApi, "getDocument"
DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, @returnedDoc) => done()
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after ->
MockWebApi.getDocument.restore()
it "should not load the document from the web API", ->
MockWebApi.getDocument.called.should.equal false
it "should return the document lines", ->
@returnedDoc.lines.should.deep.equal @lines
describe "when the request asks for some recent ops", ->
before (done) ->
[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
MockWebApi.insertDoc @project_id, @doc_id, {
lines: @lines = ["one", "two", "three"]
}
@updates = for v in [0..199]
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doc_id: @doc_id,
op: [i: v.toString(), p: 0]
v: v
DocUpdaterClient.sendUpdates @project_id, @doc_id, @updates, (error) =>
throw error if error?
sinon.spy MockWebApi, "getDocument"
done()
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after ->
MockWebApi.getDocument.restore()
describe "when the ops are loaded", ->
before (done) ->
DocUpdaterClient.getDocAndRecentOps @project_id, @doc_id, 190, (error, res, @returnedDoc) => done()
it "should return the recent ops", ->
@returnedDoc.ops.length.should.equal 10
for update, i in @updates.slice(190, -1)
@returnedDoc.ops[i].op.should.deep.equal update.op
describe "when the ops are not all loaded", ->
before (done) ->
# We only track 100 ops
DocUpdaterClient.getDocAndRecentOps @project_id, @doc_id, 10, (error, @res, @returnedDoc) => done()
it "should return UnprocessableEntity", ->
@res.statusCode.should.equal 422
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describe "when the document does not exist", ->
before (done) ->
[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, doc) =>
@statusCode = res.statusCode
done()
it "should return 404", ->
@statusCode.should.equal 404
describe "when the web api returns an error", ->
before (done) ->
[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
sinon.stub MockWebApi, "getDocument", (project_id, doc_id, callback = (error, doc) ->) ->
callback new Error("oops")
DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, doc) =>
@statusCode = res.statusCode
done()
after ->
MockWebApi.getDocument.restore()
it "should return 500", ->
@statusCode.should.equal 500
describe "when the web api http request takes a long time", ->
before (done) ->
@timeout = 10000
[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
sinon.stub MockWebApi, "getDocument", (project_id, doc_id, callback = (error, doc) ->) ->
setTimeout callback, 30000
done()
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after ->
MockWebApi.getDocument.restore()
it "should return quickly(ish)", (done) ->
start = Date.now()
DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, doc) =>
res.statusCode.should.equal 500
delta = Date.now() - start
expect(delta).to.be.below 20000
done()
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