overleaf/services/docstore/test/acceptance/coffee/UpdatingDocsTests.coffee

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sinon = require "sinon"
chai = require("chai")
chai.should()
{ObjectId} = require "mongojs"
DocstoreClient = require "./helpers/DocstoreClient"
describe "Applying updates to a doc", ->
beforeEach (done) ->
@project_id = ObjectId()
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@doc_id = ObjectId()
@originalLines = ["original", "lines"]
@newLines = ["new", "lines"]
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@originalRanges = {
changes: [{
id: ObjectId().toString()
op: { i: "foo", p: 3 }
meta:
user_id: ObjectId().toString()
ts: new Date().toString()
}]
}
@newRanges = {
changes: [{
id: ObjectId().toString()
op: { i: "bar", p: 6 }
meta:
user_id: ObjectId().toString()
ts: new Date().toString()
}]
}
@version = 42
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DocstoreClient.createDoc @project_id, @doc_id, @originalLines, @version, @originalRanges, (error) =>
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throw error if error?
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done()
describe "when nothing has been updated", ->
beforeEach (done) ->
DocstoreClient.updateDoc @project_id, @doc_id, @originalLines, @version, @originalRanges, (error, res, @body) =>
done()
it "should return modified = false", ->
@body.modified.should.equal false
it "should not update the doc in the API", (done) ->
DocstoreClient.getDoc @project_id, @doc_id, {}, (error, res, doc) =>
doc.lines.should.deep.equal @originalLines
doc.version.should.equal @version
doc.ranges.should.deep.equal @originalRanges
done()
describe "when the lines have changed", ->
beforeEach (done) ->
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DocstoreClient.updateDoc @project_id, @doc_id, @newLines, @version, @originalRanges, (error, res, @body) =>
done()
it "should return modified = true", ->
@body.modified.should.equal true
it "should return the rev", ->
@body.rev.should.equal 2
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it "should update the doc in the API", (done) ->
DocstoreClient.getDoc @project_id, @doc_id, {}, (error, res, doc) =>
doc.lines.should.deep.equal @newLines
doc.version.should.equal @version
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doc.ranges.should.deep.equal @originalRanges
done()
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describe "when the version has changed", ->
beforeEach (done) ->
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DocstoreClient.updateDoc @project_id, @doc_id, @originalLines, @version + 1, @originalRanges, (error, res, @body) =>
done()
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it "should return modified = true", ->
@body.modified.should.equal true
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it "should return the rev", ->
@body.rev.should.equal 2
it "should update the doc in the API", (done) ->
DocstoreClient.getDoc @project_id, @doc_id, {}, (error, res, doc) =>
doc.lines.should.deep.equal @originalLines
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doc.version.should.equal @version + 1
doc.ranges.should.deep.equal @originalRanges
done()
describe "when the ranges have changed", ->
beforeEach (done) ->
DocstoreClient.updateDoc @project_id, @doc_id, @originalLines, @version, @newRanges, (error, res, @body) =>
done()
it "should return modified = true", ->
@body.modified.should.equal true
it "should return the rev", ->
@body.rev.should.equal 2
it "should update the doc in the API", (done) ->
DocstoreClient.getDoc @project_id, @doc_id, {}, (error, res, doc) =>
doc.lines.should.deep.equal @originalLines
doc.version.should.equal @version
doc.ranges.should.deep.equal @newRanges
done()
describe "when the doc does not exist", ->
beforeEach (done) ->
@missing_doc_id = ObjectId()
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DocstoreClient.updateDoc @project_id, @missing_doc_id, @originalLines, 0, @originalRanges, (error, @res, @body) =>
done()
it "should create the doc", ->
@body.rev.should.equal 1
it "should be retreivable", (done)->
DocstoreClient.getDoc @project_id, @missing_doc_id, {}, (error, res, doc) =>
doc.lines.should.deep.equal @originalLines
doc.version.should.equal 0
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doc.ranges.should.deep.equal @originalRanges
done()
describe "when malformed doc lines are provided", ->
describe "when the lines are not an array", ->
beforeEach (done) ->
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DocstoreClient.updateDoc @project_id, @doc_id, { foo: "bar" }, @version, @originalRanges, (error, @res, @body) =>
done()
it "should return 400", ->
@res.statusCode.should.equal 400
it "should not update the doc in the API", (done) ->
DocstoreClient.getDoc @project_id, @doc_id, {}, (error, res, doc) =>
doc.lines.should.deep.equal @originalLines
done()
describe "when the lines are not present", ->
beforeEach (done) ->
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DocstoreClient.updateDoc @project_id, @doc_id, null, @version, @originalRanges, (error, @res, @body) =>
done()
it "should return 400", ->
@res.statusCode.should.equal 400
it "should not update the doc in the API", (done) ->
DocstoreClient.getDoc @project_id, @doc_id, {}, (error, res, doc) =>
doc.lines.should.deep.equal @originalLines
done()
describe "when no version is provided", ->
beforeEach (done) ->
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DocstoreClient.updateDoc @project_id, @doc_id, @originalLines, null, @originalRanges, (error, @res, @body) =>
done()
it "should return 400", ->
@res.statusCode.should.equal 400
it "should not update the doc in the API", (done) ->
DocstoreClient.getDoc @project_id, @doc_id, {}, (error, res, doc) =>
doc.lines.should.deep.equal @originalLines
doc.version.should.equal @version
done()
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describe "when the content is large", ->
beforeEach (done) ->
line = new Array(1025).join("x") # 1kb
@largeLines = Array.apply(null, Array(1024)).map(() -> line) # 1mb
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DocstoreClient.updateDoc @project_id, @doc_id, @largeLines, @version, @originalRanges, (error, res, @body) =>
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done()
it "should return modified = true", ->
@body.modified.should.equal true
it "should update the doc in the API", (done) ->
DocstoreClient.getDoc @project_id, @doc_id, {}, (error, res, doc) =>
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doc.lines.should.deep.equal @largeLines
done()