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307 lines
10 KiB
CoffeeScript
307 lines
10 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/RedisBackend.js"
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SandboxedModule = require('sandboxed-module')
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RedisKeyBuilder = require "../../../../app/js/RedisKeyBuilder"
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describe "RedisBackend", ->
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beforeEach ->
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@Settings =
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redis:
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documentupdater: [{
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primary: true
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port: "6379"
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host: "localhost"
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password: "single-password"
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key_schema:
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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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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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}, {
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cluster: [{
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port: "7000"
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host: "localhost"
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}]
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password: "cluster-password"
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key_schema:
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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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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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}]
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test_context = @
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class Cluster
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constructor: (@config) ->
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test_context.rclient_ioredis = @
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@RedisBackend = SandboxedModule.require modulePath, requires:
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"settings-sharelatex": @Settings
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"logger-sharelatex": @logger = { error: sinon.stub(), log: sinon.stub(), warn: sinon.stub() }
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"redis-sharelatex": @redis =
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createClient: sinon.stub().returns @rclient_redis = {}
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"ioredis": @ioredis =
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Cluster: Cluster
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@client = @RedisBackend.createClient()
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@doc_id = "mock-doc-id"
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it "should create a redis client", ->
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@redis.createClient
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.calledWith({
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port: "6379"
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host: "localhost"
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password: "single-password"
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})
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.should.equal true
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it "should create an ioredis cluster client", ->
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@rclient_ioredis.config.should.deep.equal [{
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port: "7000"
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host: "localhost"
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}]
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describe "individual commands", ->
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describe "with the same results", ->
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beforeEach (done) ->
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@content = "bar"
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@rclient_redis.get = sinon.stub()
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@rclient_redis.get.withArgs("doclines:#{@doc_id}").yields(null, @content)
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@rclient_ioredis.get = sinon.stub()
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@rclient_ioredis.get.withArgs("doclines:{#{@doc_id}}").yields(null, @content)
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@client.get RedisKeyBuilder.docLines({doc_id: @doc_id}), (error, @result) =>
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setTimeout () -> # Let all background requests complete
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done(error)
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it "should return the result", ->
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@result.should.equal @content
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it "should have called the redis client with the appropriate key", ->
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@rclient_redis.get
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.calledWith("doclines:#{@doc_id}")
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.should.equal true
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it "should have called the ioredis cluster client with the appropriate key", ->
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@rclient_ioredis.get
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.calledWith("doclines:{#{@doc_id}}")
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.should.equal true
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describe "with different results", ->
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beforeEach (done) ->
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@rclient_redis.get = sinon.stub()
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@rclient_redis.get.withArgs("doclines:#{@doc_id}").yields(null, "primary-result")
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@rclient_ioredis.get = sinon.stub()
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@rclient_ioredis.get.withArgs("doclines:{#{@doc_id}}").yields(null, "secondary-result")
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@client.get RedisKeyBuilder.docLines({doc_id: @doc_id}), (error, @result) =>
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setTimeout () -> # Let all background requests complete
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done(error)
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it "should return the primary result", ->
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@result.should.equal "primary-result"
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it "should log out the difference", ->
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@logger.warn
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.calledWith({
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results: [
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"primary-result",
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"secondary-result"
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]
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}, "redis return values do not match")
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.should.equal true
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describe "when the secondary errors", ->
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beforeEach (done) ->
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@rclient_redis.get = sinon.stub()
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@rclient_redis.get.withArgs("doclines:#{@doc_id}").yields(null, "primary-result")
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@rclient_ioredis.get = sinon.stub()
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@rclient_ioredis.get.withArgs("doclines:{#{@doc_id}}").yields(@error = new Error("oops"))
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@client.get RedisKeyBuilder.docLines({doc_id: @doc_id}), (error, @result) =>
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setTimeout () -> # Let all background requests complete
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done(error)
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it "should return the primary result", ->
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@result.should.equal "primary-result"
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it "should log out the secondary error", ->
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@logger.error
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.calledWith({
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err: @error
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}, "error in redis backend")
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.should.equal true
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describe "when the primary errors", ->
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beforeEach (done) ->
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@rclient_redis.get = sinon.stub()
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@rclient_redis.get.withArgs("doclines:#{@doc_id}").yields(@error = new Error("oops"))
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@rclient_ioredis.get = sinon.stub()
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@rclient_ioredis.get.withArgs("doclines:{#{@doc_id}}").yields(null, "secondary-result")
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@client.get RedisKeyBuilder.docLines({doc_id: @doc_id}), (@returned_error, @result) =>
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setTimeout () -> # Let all background requests complete
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done()
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it "should return the error", ->
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@returned_error.should.equal @error
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it "should log out the error", ->
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@logger.error
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.calledWith({
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err: @error
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}, "error in redis backend")
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.should.equal true
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describe "when the command has the key in a non-zero argument index", ->
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beforeEach (done) ->
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@script = "mock-script"
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@key_count = 1
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@value = "mock-value"
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@rclient_redis.eval = sinon.stub()
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@rclient_redis.eval.withArgs(@script, @key_count, "Blocking:#{@doc_id}", @value).yields(null)
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@rclient_ioredis.eval = sinon.stub()
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@rclient_ioredis.eval.withArgs(@script, @key_count, "Blocking:{#{@doc_id}}", @value).yields(null, @content)
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@client.eval @script, @key_count, RedisKeyBuilder.blockingKey({doc_id: @doc_id}), @value, (error) =>
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setTimeout () -> # Let all background requests complete
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done(error)
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it "should have called the redis client with the appropriate key", ->
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@rclient_redis.eval
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.calledWith(@script, @key_count, "Blocking:#{@doc_id}", @value)
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.should.equal true
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it "should have called the ioredis cluster client with the appropriate key", ->
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@rclient_ioredis.eval
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.calledWith(@script, @key_count, "Blocking:{#{@doc_id}}", @value)
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.should.equal true
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describe "multi commands", ->
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beforeEach ->
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# We will test with:
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# rclient.multi()
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# .get("doclines:foo")
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# .get("DocVersion:foo")
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# .exec (...) ->
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@doclines = "mock-doclines"
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@version = "42"
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@rclient_redis.multi = sinon.stub().returns @rclient_redis
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@rclient_ioredis.multi = sinon.stub().returns @rclient_ioredis
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describe "with the same results", ->
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beforeEach (done) ->
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@rclient_redis.get = sinon.stub()
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@rclient_redis.exec = sinon.stub().yields(null, [@doclines, @version])
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@rclient_ioredis.get = sinon.stub()
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@rclient_ioredis.exec = sinon.stub().yields(null, [ [null, @doclines], [null, @version] ])
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multi = @client.multi()
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multi.get RedisKeyBuilder.docLines({doc_id: @doc_id})
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multi.get RedisKeyBuilder.docVersion({doc_id: @doc_id})
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multi.exec (error, @result) =>
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setTimeout () ->
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done(error)
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it "should return the result", ->
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@result.should.deep.equal [@doclines, @version]
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it "should have called the redis client with the appropriate keys", ->
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@rclient_redis.get
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.calledWith("doclines:#{@doc_id}")
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.should.equal true
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@rclient_redis.get
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.calledWith("DocVersion:#{@doc_id}")
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.should.equal true
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@rclient_ioredis.exec
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.called
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.should.equal true
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it "should have called the ioredis cluster client with the appropriate keys", ->
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@rclient_ioredis.get
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.calledWith("doclines:{#{@doc_id}}")
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.should.equal true
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@rclient_ioredis.get
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.calledWith("DocVersion:{#{@doc_id}}")
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.should.equal true
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@rclient_ioredis.exec
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.called
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.should.equal true
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describe "with different results", ->
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beforeEach (done) ->
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@rclient_redis.get = sinon.stub()
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@rclient_redis.exec = sinon.stub().yields(null, [@doclines, @version])
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@rclient_ioredis.get = sinon.stub()
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@rclient_ioredis.exec = sinon.stub().yields(null, [ [null, "different-doc-lines"], [null, @version] ])
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multi = @client.multi()
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multi.get RedisKeyBuilder.docLines({doc_id: @doc_id})
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multi.get RedisKeyBuilder.docVersion({doc_id: @doc_id})
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multi.exec (error, @result) =>
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setTimeout () ->
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done(error)
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it "should return the primary result", ->
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@result.should.deep.equal [@doclines, @version]
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it "should log out the difference", ->
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@logger.warn
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.calledWith({
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results: [
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[@doclines, @version],
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["different-doc-lines", @version]
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]
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}, "redis return values do not match")
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.should.equal true
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describe "when the secondary errors", ->
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beforeEach (done) ->
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@rclient_redis.get = sinon.stub()
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@rclient_redis.exec = sinon.stub().yields(null, [@doclines, @version])
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@rclient_ioredis.get = sinon.stub()
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@rclient_ioredis.exec = sinon.stub().yields(@error = new Error("oops"))
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multi = @client.multi()
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multi.get RedisKeyBuilder.docLines({doc_id: @doc_id})
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multi.get RedisKeyBuilder.docVersion({doc_id: @doc_id})
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multi.exec (error, @result) =>
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setTimeout () ->
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done(error)
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it "should return the primary result", ->
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@result.should.deep.equal [@doclines, @version]
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it "should log out the secondary error", ->
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@logger.error
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.calledWith({
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err: @error
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}, "error in redis backend")
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.should.equal true
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describe "when the secondary errors", ->
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beforeEach (done) ->
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@rclient_redis.get = sinon.stub()
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@rclient_redis.exec = sinon.stub().yields(@error = new Error("oops"))
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@rclient_ioredis.get = sinon.stub()
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@rclient_ioredis.exec = sinon.stub().yields([ [null, @doclines], [null, @version] ])
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multi = @client.multi()
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multi.get RedisKeyBuilder.docLines({doc_id: @doc_id})
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multi.get RedisKeyBuilder.docVersion({doc_id: @doc_id})
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multi.exec (@returned_error) =>
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setTimeout () -> done()
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it "should return the error", ->
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@returned_error.should.equal @error
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it "should log out the error", ->
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@logger.error
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.calledWith({
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err: @error
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}, "error in redis backend")
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.should.equal true
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