const sinon = require('sinon') const chai = require('chai') const { expect } = chai const SandboxedModule = require('sandboxed-module') const { Errors } = require('@overleaf/object-persistor') const modulePath = '../../../app/js/FileConverter.js' describe('FileConverter', function () { let SafeExec, FileConverter const sourcePath = '/data/wombat.eps' const destPath = '/tmp/dest.png' const format = 'png' const errorMessage = 'guru meditation error' const Settings = { commands: { convertCommandPrefix: [] } } beforeEach(function () { SafeExec = { promises: sinon.stub().resolves(destPath) } const ObjectPersistor = { Errors } FileConverter = SandboxedModule.require(modulePath, { requires: { './SafeExec': SafeExec, 'metrics-sharelatex': { inc: sinon.stub(), Timer: sinon.stub().returns({ done: sinon.stub() }) }, 'settings-sharelatex': Settings, '@overleaf/object-persistor': ObjectPersistor } }) }) describe('convert', function () { it('should convert the source to the requested format', async function () { await FileConverter.promises.convert(sourcePath, format) const args = SafeExec.promises.args[0][0] expect(args).to.include(`${sourcePath}[0]`) expect(args).to.include(`${sourcePath}.${format}`) }) it('should return the dest path', async function () { const destPath = await FileConverter.promises.convert(sourcePath, format) destPath.should.equal(`${sourcePath}.${format}`) }) it('should wrap the error from convert', async function () { SafeExec.promises.rejects(errorMessage) try { await FileConverter.promises.convert(sourcePath, format) expect('error should have been thrown').not.to.exist } catch (err) { expect(err.name).to.equal('ConversionError') expect(err.cause.toString()).to.equal(errorMessage) } }) it('should not accept an non approved format', async function () { try { await FileConverter.promises.convert(sourcePath, 'potato') expect('error should have been thrown').not.to.exist } catch (err) { expect(err.name).to.equal('ConversionError') } }) it('should prefix the command with Settings.commands.convertCommandPrefix', async function () { Settings.commands.convertCommandPrefix = ['nice'] await FileConverter.promises.convert(sourcePath, format) }) it('should convert the file when called as a callback', function (done) { FileConverter.convert(sourcePath, format, (err, destPath) => { expect(err).not.to.exist destPath.should.equal(`${sourcePath}.${format}`) const args = SafeExec.promises.args[0][0] expect(args).to.include(`${sourcePath}[0]`) expect(args).to.include(`${sourcePath}.${format}`) done() }) }) }) describe('thumbnail', function () { it('should call converter resize with args', async function () { await FileConverter.promises.thumbnail(sourcePath) const args = SafeExec.promises.args[0][0] expect(args).to.include(`${sourcePath}[0]`) }) }) describe('preview', function () { it('should call converter resize with args', async function () { await FileConverter.promises.preview(sourcePath) const args = SafeExec.promises.args[0][0] expect(args).to.include(`${sourcePath}[0]`) }) }) })