const chai = require('chai') const should = chai.should() const { expect } = chai const modulePath = '../../../app/js/SafeExec' const { Errors } = require('@overleaf/object-persistor') const SandboxedModule = require('sandboxed-module') describe('SafeExec', function() { let settings, options, safeExec beforeEach(function() { settings = { enableConversions: true } options = { timeout: 10 * 1000, killSignal: 'SIGTERM' } const ObjectPersistor = { Errors } safeExec = SandboxedModule.require(modulePath, { globals: { process }, requires: { 'settings-sharelatex': settings, '@overleaf/object-persistor': ObjectPersistor } }) }) describe('safeExec', function() { it('should execute a valid command', function(done) { safeExec(['/bin/echo', 'hello'], options, (err, stdout, stderr) => { stdout.should.equal('hello\n') stderr.should.equal('') should.not.exist(err) done() }) }) it('should error when conversions are disabled', function(done) { settings.enableConversions = false safeExec(['/bin/echo', 'hello'], options, err => { expect(err).to.exist done() }) }) it('should execute a command with non-zero exit status', function(done) { safeExec(['/usr/bin/env', 'false'], options, err => { expect(err).to.exist expect(err.name).to.equal('FailedCommandError') expect(err.code).to.equal(1) expect(err.stdout).to.equal('') expect(err.stderr).to.equal('') done() }) }) it('should handle an invalid command', function(done) { safeExec(['/bin/foobar'], options, err => { err.code.should.equal('ENOENT') done() }) }) it('should handle a command that runs too long', function(done) { safeExec( ['/bin/sleep', '10'], { timeout: 500, killSignal: 'SIGTERM' }, err => { expect(err).to.exist expect(err.name).to.equal('FailedCommandError') expect(err.code).to.equal('SIGTERM') done() } ) }) }) describe('as a promise', function() { beforeEach(function() { safeExec = safeExec.promises }) it('should execute a valid command', async function() { const { stdout, stderr } = await safeExec(['/bin/echo', 'hello'], options) stdout.should.equal('hello\n') stderr.should.equal('') }) it('should throw a ConversionsDisabledError when appropriate', async function() { settings.enableConversions = false try { await safeExec(['/bin/echo', 'hello'], options) } catch (err) { expect(err.name).to.equal('ConversionsDisabledError') return } expect('method did not throw an error').not.to.exist }) it('should throw a FailedCommandError when appropriate', async function() { try { await safeExec(['/usr/bin/env', 'false'], options) } catch (err) { expect(err.name).to.equal('FailedCommandError') expect(err.code).to.equal(1) return } expect('method did not throw an error').not.to.exist }) }) })