mirror of
https://github.com/overleaf/overleaf.git
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349 lines
11 KiB
CoffeeScript
349 lines
11 KiB
CoffeeScript
sinon = require('sinon')
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chai = require('chai')
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should = chai.should()
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modulePath = "../../../../app/js/RedisManager.js"
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SandboxedModule = require('sandboxed-module')
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Errors = require "../../../../app/js/Errors"
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crypto = require "crypto"
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describe "RedisManager", ->
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beforeEach ->
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@rclient =
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auth: () ->
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exec: sinon.stub()
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@rclient.multi = () => @rclient
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@RedisManager = SandboxedModule.require modulePath, requires:
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"./RedisBackend":
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createClient: () => @rclient
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"./RedisKeyBuilder":
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blockingKey: ({doc_id}) -> "Blocking:#{doc_id}"
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docLines: ({doc_id}) -> "doclines:#{doc_id}"
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docOps: ({doc_id}) -> "DocOps:#{doc_id}"
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docVersion: ({doc_id}) -> "DocVersion:#{doc_id}"
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docHash: ({doc_id}) -> "DocHash:#{doc_id}"
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projectKey: ({doc_id}) -> "ProjectId:#{doc_id}"
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pendingUpdates: ({doc_id}) -> "PendingUpdates:#{doc_id}"
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docsInProject: ({project_id}) -> "DocsIn:#{project_id}"
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ranges: ({doc_id}) -> "Ranges:#{doc_id}"
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"logger-sharelatex": @logger = { error: sinon.stub(), log: sinon.stub(), warn: sinon.stub() }
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"./Metrics": @metrics =
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inc: sinon.stub()
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Timer: class Timer
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done: () ->
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"./Errors": Errors
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@doc_id = "doc-id-123"
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@project_id = "project-id-123"
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@callback = sinon.stub()
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describe "getDoc", ->
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beforeEach ->
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@lines = ["one", "two", "three"]
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@jsonlines = JSON.stringify @lines
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@version = 42
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@hash = crypto.createHash('sha1').update(@jsonlines).digest('hex')
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@ranges = { comments: "mock", entries: "mock" }
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@json_ranges = JSON.stringify @ranges
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@rclient.get = sinon.stub()
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@rclient.exec = sinon.stub().callsArgWith(0, null, [@jsonlines, @version, @hash, @project_id, @json_ranges])
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describe "successfully", ->
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beforeEach ->
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@RedisManager.getDoc @project_id, @doc_id, @callback
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it "should get the lines from redis", ->
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@rclient.get
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.calledWith("doclines:#{@doc_id}")
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.should.equal true
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it "should get the version from", ->
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@rclient.get
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.calledWith("DocVersion:#{@doc_id}")
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.should.equal true
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it "should get the ranges", ->
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@rclient.get
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.calledWith("Ranges:#{@doc_id}")
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.should.equal true
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it 'should return the document', ->
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@callback
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.calledWith(null, @lines, @version, @ranges)
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.should.equal true
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describe "getDoc with an invalid project id", ->
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beforeEach ->
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@another_project_id = "project-id-456"
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@rclient.exec = sinon.stub().callsArgWith(0, null, [@jsonlines, @version, @another_project_id, @json_ranges])
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@RedisManager.getDoc @project_id, @doc_id, @callback
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it 'should return an error', ->
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@callback
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.calledWith(new Errors.NotFoundError("not found"))
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.should.equal true
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describe "getPreviousDocOpsTests", ->
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describe "with a start and an end value", ->
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beforeEach ->
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@first_version_in_redis = 30
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@version = 70
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@length = @version - @first_version_in_redis
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@start = 50
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@end = 60
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@ops = [
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{ "mock": "op-1" },
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{ "mock": "op-2" }
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]
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@jsonOps = @ops.map (op) -> JSON.stringify op
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@rclient.llen = sinon.stub().callsArgWith(1, null, @length)
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@rclient.get = sinon.stub().callsArgWith(1, null, @version.toString())
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@rclient.lrange = sinon.stub().callsArgWith(3, null, @jsonOps)
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@RedisManager.getPreviousDocOps(@doc_id, @start, @end, @callback)
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it "should get the length of the existing doc ops", ->
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@rclient.llen
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.calledWith("DocOps:#{@doc_id}")
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.should.equal true
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it "should get the current version of the doc", ->
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@rclient.get
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.calledWith("DocVersion:#{@doc_id}")
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.should.equal true
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it "should get the appropriate docs ops", ->
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@rclient.lrange
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.calledWith("DocOps:#{@doc_id}", @start - @first_version_in_redis, @end - @first_version_in_redis)
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.should.equal true
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it "should return the docs with the doc ops deserialized", ->
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@callback.calledWith(null, @ops).should.equal true
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describe "with an end value of -1", ->
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beforeEach ->
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@first_version_in_redis = 30
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@version = 70
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@length = @version - @first_version_in_redis
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@start = 50
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@end = -1
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@ops = [
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{ "mock": "op-1" },
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{ "mock": "op-2" }
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]
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@jsonOps = @ops.map (op) -> JSON.stringify op
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@rclient.llen = sinon.stub().callsArgWith(1, null, @length)
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@rclient.get = sinon.stub().callsArgWith(1, null, @version.toString())
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@rclient.lrange = sinon.stub().callsArgWith(3, null, @jsonOps)
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@RedisManager.getPreviousDocOps(@doc_id, @start, @end, @callback)
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it "should get the appropriate docs ops to the end of list", ->
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@rclient.lrange
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.calledWith("DocOps:#{@doc_id}", @start - @first_version_in_redis, -1)
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.should.equal true
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it "should return the docs with the doc ops deserialized", ->
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@callback.calledWith(null, @ops).should.equal true
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describe "when the requested range is not in Redis", ->
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beforeEach ->
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@first_version_in_redis = 30
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@version = 70
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@length = @version - @first_version_in_redis
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@start = 20
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@end = -1
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@ops = [
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{ "mock": "op-1" },
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{ "mock": "op-2" }
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]
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@jsonOps = @ops.map (op) -> JSON.stringify op
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@rclient.llen = sinon.stub().callsArgWith(1, null, @length)
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@rclient.get = sinon.stub().callsArgWith(1, null, @version.toString())
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@rclient.lrange = sinon.stub().callsArgWith(3, null, @jsonOps)
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@RedisManager.getPreviousDocOps(@doc_id, @start, @end, @callback)
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it "should return an error", ->
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@callback.calledWith(new Errors.OpRangeNotAvailableError("doc ops range is not loaded in redis")).should.equal true
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it "should log out the problem", ->
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@logger.warn.called.should.equal true
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describe "updateDocument", ->
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beforeEach ->
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@rclient.set = sinon.stub()
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@rclient.rpush = sinon.stub()
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@rclient.expire = sinon.stub()
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@rclient.ltrim = sinon.stub()
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@rclient.del = sinon.stub()
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@RedisManager.getDocVersion = sinon.stub()
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@lines = ["one", "two", "three"]
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@ops = [{ op: [{ i: "foo", p: 4 }] },{ op: [{ i: "bar", p: 8 }] }]
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@version = 42
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@ranges = { comments: "mock", entries: "mock" }
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@rclient.exec = sinon.stub().callsArg(0)
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describe "with a consistent version", ->
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beforeEach ->
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@RedisManager.getDocVersion.withArgs(@doc_id).yields(null, @version - @ops.length)
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@RedisManager.updateDocument @doc_id, @lines, @version, @ops, @ranges, @callback
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it "should get the current doc version to check for consistency", ->
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@RedisManager.getDocVersion
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.calledWith(@doc_id)
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.should.equal true
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it "should set the doclines", ->
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@rclient.set
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.calledWith("doclines:#{@doc_id}", JSON.stringify(@lines))
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.should.equal true
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it "should set the version", ->
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@rclient.set
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.calledWith("DocVersion:#{@doc_id}", @version)
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.should.equal true
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it "should set the ranges", ->
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@rclient.set
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.calledWith("Ranges:#{@doc_id}", JSON.stringify(@ranges))
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.should.equal true
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it "should push the doc op into the doc ops list", ->
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@rclient.rpush
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.calledWith("DocOps:#{@doc_id}", JSON.stringify(@ops[0]), JSON.stringify(@ops[1]))
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.should.equal true
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it "should renew the expiry ttl on the doc ops array", ->
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@rclient.expire
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.calledWith("DocOps:#{@doc_id}", @RedisManager.DOC_OPS_TTL)
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.should.equal true
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it "should truncate the list to 100 members", ->
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@rclient.ltrim
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.calledWith("DocOps:#{@doc_id}", -@RedisManager.DOC_OPS_MAX_LENGTH, -1)
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.should.equal true
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it "should call the callback", ->
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@callback.called.should.equal true
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describe "with an inconsistent version", ->
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beforeEach ->
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@RedisManager.getDocVersion.withArgs(@doc_id).yields(null, @version - @ops.length - 1)
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@RedisManager.updateDocument @doc_id, @lines, @version, @ops, @ranges, @callback
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it "should not call multi.exec", ->
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@rclient.exec.called.should.equal false
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it "should call the callback with an error", ->
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@callback
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.calledWith(new Error("Version mismatch. '#{@doc_id}' is corrupted."))
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.should.equal true
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describe "with no updates", ->
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beforeEach ->
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@RedisManager.getDocVersion.withArgs(@doc_id).yields(null, @version)
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@RedisManager.updateDocument @doc_id, @lines, @version, [], @ranges, @callback
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it "should not do an rpush", ->
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@rclient.rpush
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.called
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.should.equal false
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it "should still set the doclines", ->
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@rclient.set
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.calledWith("doclines:#{@doc_id}", JSON.stringify(@lines))
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.should.equal true
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describe "with empty ranges", ->
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beforeEach ->
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@RedisManager.getDocVersion.withArgs(@doc_id).yields(null, @version - @ops.length)
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@RedisManager.updateDocument @doc_id, @lines, @version, @ops, {}, @callback
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it "should not set the ranges", ->
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@rclient.set
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.calledWith("Ranges:#{@doc_id}", JSON.stringify(@ranges))
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.should.equal false
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it "should delete the ranges key", ->
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@rclient.del
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.calledWith("Ranges:#{@doc_id}")
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.should.equal true
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describe "putDocInMemory", ->
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beforeEach ->
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@rclient.set = sinon.stub()
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@rclient.sadd = sinon.stub().yields()
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@rclient.del = sinon.stub()
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@rclient.exec.yields()
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@lines = ["one", "two", "three"]
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@version = 42
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@ranges = { comments: "mock", entries: "mock" }
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describe "with non-empty ranges", ->
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beforeEach (done) ->
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@RedisManager.putDocInMemory @project_id, @doc_id, @lines, @version, @ranges, done
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it "should set the lines", ->
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@rclient.set
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.calledWith("doclines:#{@doc_id}", JSON.stringify @lines)
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.should.equal true
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it "should set the version", ->
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@rclient.set
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.calledWith("DocVersion:#{@doc_id}", @version)
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.should.equal true
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it "should set the ranges", ->
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@rclient.set
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.calledWith("Ranges:#{@doc_id}", JSON.stringify(@ranges))
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.should.equal true
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it "should set the project_id for the doc", ->
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@rclient.set
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.calledWith("ProjectId:#{@doc_id}", @project_id)
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.should.equal true
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it "should add the doc_id to the project set", ->
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@rclient.sadd
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.calledWith("DocsIn:#{@project_id}", @doc_id)
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.should.equal true
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describe "with empty ranges", ->
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beforeEach (done) ->
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@RedisManager.putDocInMemory @project_id, @doc_id, @lines, @version, {}, done
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it "should delete the ranges key", ->
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@rclient.del
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.calledWith("Ranges:#{@doc_id}")
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.should.equal true
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it "should not set the ranges", ->
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@rclient.set
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.calledWith("Ranges:#{@doc_id}", JSON.stringify(@ranges))
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.should.equal false
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describe "removeDocFromMemory", ->
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beforeEach (done) ->
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@rclient.del = sinon.stub()
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@rclient.srem = sinon.stub().yields()
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@rclient.exec.yields()
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@RedisManager.removeDocFromMemory @project_id, @doc_id, done
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it "should delete the lines", ->
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@rclient.del
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.calledWith("doclines:#{@doc_id}")
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.should.equal true
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it "should delete the version", ->
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@rclient.del
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.calledWith("DocVersion:#{@doc_id}")
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.should.equal true
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it "should delete the project_id for the doc", ->
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@rclient.del
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.calledWith("ProjectId:#{@doc_id}")
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.should.equal true
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it "should remove the doc_id from the project set", ->
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@rclient.srem
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.calledWith("DocsIn:#{@project_id}", @doc_id)
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.should.equal true
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