overleaf/services/clsi/test/unit/coffee/ResourceWriterTests.coffee
2017-08-18 09:41:43 +01:00

242 lines
7.8 KiB
CoffeeScript

SandboxedModule = require('sandboxed-module')
sinon = require('sinon')
should = require('chai').should()
modulePath = require('path').join __dirname, '../../../app/js/ResourceWriter'
path = require "path"
describe "ResourceWriter", ->
beforeEach ->
@ResourceWriter = SandboxedModule.require modulePath, requires:
"fs": @fs =
mkdir: sinon.stub().callsArg(1)
unlink: sinon.stub().callsArg(1)
"./ResourceListManager": @ResourceListManager = {}
"wrench": @wrench = {}
"./UrlCache" : @UrlCache = {}
"mkdirp" : @mkdirp = sinon.stub().callsArg(1)
"./OutputFileFinder": @OutputFileFinder = {}
"logger-sharelatex": {log: sinon.stub(), err: sinon.stub()}
"./Metrics": @Metrics =
Timer: class Timer
done: sinon.stub()
@project_id = "project-id-123"
@basePath = "/path/to/write/files/to"
@callback = sinon.stub()
describe "syncResourcesToDisk on a full request", ->
beforeEach ->
@resources = [
"resource-1-mock"
"resource-2-mock"
"resource-3-mock"
]
@ResourceWriter._writeResourceToDisk = sinon.stub().callsArg(3)
@ResourceWriter._removeExtraneousFiles = sinon.stub().callsArg(2)
@ResourceWriter.checkSyncState = sinon.stub().callsArg(2)
@ResourceWriter.storeSyncState = sinon.stub().callsArg(2)
@ResourceListManager.saveResourceList = sinon.stub().callsArg(2)
@ResourceListManager.loadResourceList = sinon.stub().callsArg(1)
@ResourceWriter.syncResourcesToDisk({
project_id: @project_id
syncState: @syncState = "0123456789abcdef"
resources: @resources
}, @basePath, @callback)
it "should remove old files", ->
@ResourceWriter._removeExtraneousFiles
.calledWith(@resources, @basePath)
.should.equal true
it "should write each resource to disk", ->
for resource in @resources
@ResourceWriter._writeResourceToDisk
.calledWith(@project_id, resource, @basePath)
.should.equal true
it "should store the sync state", ->
@ResourceWriter.storeSyncState
.calledWith(@syncState, @basePath)
.should.equal true
it "should save the resource list", ->
@ResourceListManager.saveResourceList
.calledWith(@resources, @basePath)
.should.equal true
it "should call the callback", ->
@callback.called.should.equal true
describe "syncResourcesToDisk on an incremental update", ->
beforeEach ->
@resources = [
"resource-1-mock"
]
@ResourceWriter._writeResourceToDisk = sinon.stub().callsArg(3)
@ResourceWriter._removeExtraneousFiles = sinon.stub().callsArg(2)
@ResourceWriter.checkSyncState = sinon.stub().callsArgWith(2, null, true)
@ResourceWriter.storeSyncState = sinon.stub().callsArg(2)
@ResourceListManager.saveResourceList = sinon.stub().callsArg(2)
@ResourceListManager.loadResourceList = sinon.stub().callsArgWith(1, null, @resources)
@ResourceWriter.syncResourcesToDisk({
project_id: @project_id,
syncType: "incremental",
syncState: @syncState = "1234567890abcdef",
resources: @resources
}, @basePath, @callback)
it "should check the sync state matches", ->
@ResourceWriter.checkSyncState
.calledWith(@syncState, @basePath)
.should.equal true
it "should remove old files", ->
@ResourceWriter._removeExtraneousFiles
.calledWith(@resources, @basePath)
.should.equal true
it "should write each resource to disk", ->
for resource in @resources
@ResourceWriter._writeResourceToDisk
.calledWith(@project_id, resource, @basePath)
.should.equal true
it "should call the callback", ->
@callback.called.should.equal true
describe "_removeExtraneousFiles", ->
beforeEach ->
@output_files = [{
path: "output.pdf"
type: "pdf"
}, {
path: "extra/file.tex"
type: "tex"
}, {
path: "extra.aux"
type: "aux"
}, {
path: "cache/_chunk1"
}]
@resources = "mock-resources"
@OutputFileFinder.findOutputFiles = sinon.stub().callsArgWith(2, null, @output_files)
@ResourceWriter._deleteFileIfNotDirectory = sinon.stub().callsArg(1)
@ResourceWriter._removeExtraneousFiles(@resources, @basePath, @callback)
it "should find the existing output files", ->
@OutputFileFinder.findOutputFiles
.calledWith(@resources, @basePath)
.should.equal true
it "should delete the output files", ->
@ResourceWriter._deleteFileIfNotDirectory
.calledWith(path.join(@basePath, "output.pdf"))
.should.equal true
it "should delete the extra files", ->
@ResourceWriter._deleteFileIfNotDirectory
.calledWith(path.join(@basePath, "extra/file.tex"))
.should.equal true
it "should not delete the extra aux files", ->
@ResourceWriter._deleteFileIfNotDirectory
.calledWith(path.join(@basePath, "extra.aux"))
.should.equal false
it "should not delete the knitr cache file", ->
@ResourceWriter._deleteFileIfNotDirectory
.calledWith(path.join(@basePath, "cache/_chunk1"))
.should.equal false
it "should call the callback", ->
@callback.called.should.equal true
it "should time the request", ->
@Metrics.Timer::done.called.should.equal true
describe "_writeResourceToDisk", ->
describe "with a url based resource", ->
beforeEach ->
@resource =
path: "main.tex"
url: "http://www.example.com/main.tex"
modified: Date.now()
@UrlCache.downloadUrlToFile = sinon.stub().callsArgWith(4, "fake error downloading file")
@ResourceWriter._writeResourceToDisk(@project_id, @resource, @basePath, @callback)
it "should ensure the directory exists", ->
@mkdirp
.calledWith(path.dirname(path.join(@basePath, @resource.path)))
.should.equal true
it "should write the URL from the cache", ->
@UrlCache.downloadUrlToFile
.calledWith(@project_id, @resource.url, path.join(@basePath, @resource.path), @resource.modified)
.should.equal true
it "should call the callback", ->
@callback.called.should.equal true
it "should not return an error if the resource writer errored", ->
should.not.exist @callback.args[0][0]
describe "with a content based resource", ->
beforeEach ->
@resource =
path: "main.tex"
content: "Hello world"
@fs.writeFile = sinon.stub().callsArg(2)
@ResourceWriter._writeResourceToDisk(@project_id, @resource, @basePath, @callback)
it "should ensure the directory exists", ->
@mkdirp
.calledWith(path.dirname(path.join(@basePath, @resource.path)))
.should.equal true
it "should write the contents to disk", ->
@fs.writeFile
.calledWith(path.join(@basePath, @resource.path), @resource.content)
.should.equal true
it "should call the callback", ->
@callback.called.should.equal true
describe "with a file path that breaks out of the root folder", ->
beforeEach ->
@resource =
path: "../../main.tex"
content: "Hello world"
@fs.writeFile = sinon.stub().callsArg(2)
@ResourceWriter._writeResourceToDisk(@project_id, @resource, @basePath, @callback)
it "should not write to disk", ->
@fs.writeFile.called.should.equal false
it "should return an error", ->
@callback
.calledWith(new Error("resource path is outside root directory"))
.should.equal true
describe "checkPath", ->
describe "with a valid path", ->
beforeEach ->
@ResourceWriter.checkPath("foo", "bar", @callback)
it "should return the joined path", ->
@callback.calledWith(null, "foo/bar")
.should.equal true
describe "with an invalid path", ->
beforeEach ->
@ResourceWriter.checkPath("foo", "baz/../../bar", @callback)
it "should return an error", ->
@callback.calledWith(new Error("resource path is outside root directory"))
.should.equal true
describe "with another invalid path matching on a prefix", ->
beforeEach ->
@ResourceWriter.checkPath("foo", "../foobar/baz", @callback)
it "should return an error", ->
@callback.calledWith(new Error("resource path is outside root directory"))
.should.equal true