const SandboxedModule = require('sandboxed-module') const sinon = require('sinon') const { expect } = require('chai') const MODULE_PATH = require('path').join( __dirname, '../../../app/js/LatexRunner' ) describe('LatexRunner', function () { beforeEach(function () { this.Settings = { docker: { socketPath: '/var/run/docker.sock', }, } this.commandRunnerOutput = { stdout: 'this is stdout', stderr: 'this is stderr', } this.CommandRunner = { run: sinon.stub().yields(null, this.commandRunnerOutput), } this.fs = { writeFile: sinon.stub().yields(), unlink: sinon .stub() .yields(new Error('ENOENT: no such file or directory, unlink ...')), } this.LatexRunner = SandboxedModule.require(MODULE_PATH, { requires: { '@overleaf/settings': this.Settings, './CommandRunner': this.CommandRunner, fs: this.fs, }, }) this.directory = '/local/compile/directory' this.mainFile = 'main-file.tex' this.compiler = 'pdflatex' this.image = 'example.com/image' this.compileGroup = 'compile-group' this.callback = sinon.stub() this.project_id = 'project-id-123' this.env = { foo: '123' } this.timeout = 42000 this.flags = [] this.stopOnFirstError = false this.stats = {} this.timings = {} this.call = function (callback) { this.LatexRunner.runLatex( this.project_id, { directory: this.directory, mainFile: this.mainFile, compiler: this.compiler, timeout: this.timeout, image: this.image, environment: this.env, compileGroup: this.compileGroup, flags: this.flags, stopOnFirstError: this.stopOnFirstError, timings: this.timings, stats: this.stats, }, callback ) } }) describe('runLatex', function () { describe('normally', function () { beforeEach(function (done) { this.call(done) }) it('should run the latex command', function () { this.CommandRunner.run.should.have.been.calledWith( this.project_id, [ 'latexmk', '-cd', '-jobname=output', '-auxdir=$COMPILE_DIR', '-outdir=$COMPILE_DIR', '-synctex=1', '-interaction=batchmode', '-f', '-pdf', '$COMPILE_DIR/main-file.tex', ], this.directory, this.image, this.timeout, this.env, this.compileGroup ) }) it('should record the stdout and stderr', function () { this.fs.writeFile.should.have.been.calledWith( this.directory + '/' + 'output.stdout', 'this is stdout', { flag: 'wx' } ) this.fs.writeFile.should.have.been.calledWith( this.directory + '/' + 'output.stderr', 'this is stderr', { flag: 'wx' } ) this.fs.unlink.should.have.been.calledWith( this.directory + '/' + 'output.stdout' ) this.fs.unlink.should.have.been.calledWith( this.directory + '/' + 'output.stderr' ) }) it('should not record cpu metrics', function () { expect(this.timings['cpu-percent']).to.not.exist expect(this.timings['cpu-time']).to.not.exist expect(this.timings['sys-time']).to.not.exist }) }) describe('with a different compiler', function () { beforeEach(function (done) { this.compiler = 'lualatex' this.call(done) }) it('should set the appropriate latexmk flag', function () { this.CommandRunner.run.should.have.been.calledWith(this.project_id, [ 'latexmk', '-cd', '-jobname=output', '-auxdir=$COMPILE_DIR', '-outdir=$COMPILE_DIR', '-synctex=1', '-interaction=batchmode', '-f', '-lualatex', '$COMPILE_DIR/main-file.tex', ]) }) }) describe('with time -v', function () { beforeEach(function (done) { this.commandRunnerOutput.stderr = '\tCommand being timed: "sh -c timeout 1 yes > /dev/null"\n' + '\tUser time (seconds): 0.28\n' + '\tSystem time (seconds): 0.70\n' + '\tPercent of CPU this job got: 98%\n' this.call(done) }) it('should record cpu metrics', function () { expect(this.timings['cpu-percent']).to.equal(98) expect(this.timings['cpu-time']).to.equal(0.28) expect(this.timings['sys-time']).to.equal(0.7) }) }) describe('with an .Rtex main file', function () { beforeEach(function (done) { this.mainFile = 'main-file.Rtex' this.call(done) }) it('should run the latex command on the equivalent .tex file', function () { const command = this.CommandRunner.run.args[0][1] const mainFile = command.slice(-1)[0] mainFile.should.equal('$COMPILE_DIR/main-file.tex') }) }) describe('with a flags option', function () { beforeEach(function (done) { this.flags = ['-shell-restricted', '-halt-on-error'] this.call(done) }) it('should include the flags in the command', function () { const command = this.CommandRunner.run.args[0][1] const flags = command.filter( arg => arg === '-shell-restricted' || arg === '-halt-on-error' ) flags.length.should.equal(2) flags[0].should.equal('-shell-restricted') flags[1].should.equal('-halt-on-error') }) }) describe('with the stopOnFirstError option', function () { beforeEach(function (done) { this.stopOnFirstError = true this.call(done) }) it('should set the appropriate flags', function () { this.CommandRunner.run.should.have.been.calledWith(this.project_id, [ 'latexmk', '-cd', '-jobname=output', '-auxdir=$COMPILE_DIR', '-outdir=$COMPILE_DIR', '-synctex=1', '-interaction=batchmode', '-halt-on-error', '-pdf', '$COMPILE_DIR/main-file.tex', ]) }) }) }) })