How to use Exports method of k6 Package

Best K6 code snippet using k6.Exports

runner_test.go

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1/​*2 *3 * k6 - a next-generation load testing tool4 * Copyright (C) 2016 Load Impact5 *6 * This program is free software: you can redistribute it and/​or modify7 * it under the terms of the GNU Affero General Public License as8 * published by the Free Software Foundation, either version 3 of the9 * License, or (at your option) any later version.10 *11 * This program is distributed in the hope that it will be useful,12 * but WITHOUT ANY WARRANTY; without even the implied warranty of13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the14 * GNU Affero General Public License for more details.15 *16 * You should have received a copy of the GNU Affero General Public License17 * along with this program. If not, see <http:/​/​www.gnu.org/​licenses/​>.18 *19 */​20package js21import (22 "bytes"23 "context"24 "crypto/​tls"25 "crypto/​x509"26 "fmt"27 "go/​build"28 "io/​ioutil"29 stdlog "log"30 "net"31 "net/​http"32 "net/​url"33 "os"34 "strings"35 "sync"36 "testing"37 "time"38 "github.com/​sirupsen/​logrus"39 logtest "github.com/​sirupsen/​logrus/​hooks/​test"40 "github.com/​spf13/​afero"41 "github.com/​stretchr/​testify/​assert"42 "github.com/​stretchr/​testify/​require"43 "google.golang.org/​grpc/​test/​grpc_testing"44 "gopkg.in/​guregu/​null.v3"45 "go.k6.io/​k6/​core"46 "go.k6.io/​k6/​core/​local"47 "go.k6.io/​k6/​js/​common"48 "go.k6.io/​k6/​js/​modules/​k6"49 k6http "go.k6.io/​k6/​js/​modules/​k6/​http"50 k6metrics "go.k6.io/​k6/​js/​modules/​k6/​metrics"51 "go.k6.io/​k6/​js/​modules/​k6/​ws"52 "go.k6.io/​k6/​lib"53 _ "go.k6.io/​k6/​lib/​executor" /​/​ TODO: figure out something better54 "go.k6.io/​k6/​lib/​metrics"55 "go.k6.io/​k6/​lib/​testutils"56 "go.k6.io/​k6/​lib/​testutils/​httpmultibin"57 "go.k6.io/​k6/​lib/​testutils/​mockoutput"58 "go.k6.io/​k6/​lib/​types"59 "go.k6.io/​k6/​loader"60 "go.k6.io/​k6/​output"61 "go.k6.io/​k6/​stats"62)63func TestRunnerNew(t *testing.T) {64 t.Parallel()65 t.Run("Valid", func(t *testing.T) {66 t.Parallel()67 r, err := getSimpleRunner(t, "/​script.js", `68 var counter = 0;69 exports.default = function() { counter++; }70 `)71 assert.NoError(t, err)72 t.Run("NewVU", func(t *testing.T) {73 t.Parallel()74 initVU, err := r.NewVU(1, 1, make(chan stats.SampleContainer, 100))75 assert.NoError(t, err)76 vuc, ok := initVU.(*VU)77 assert.True(t, ok)78 assert.Equal(t, int64(0), vuc.Runtime.Get("counter").Export())79 ctx, cancel := context.WithCancel(context.Background())80 defer cancel()81 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})82 t.Run("RunOnce", func(t *testing.T) {83 err = vu.RunOnce()84 assert.NoError(t, err)85 assert.Equal(t, int64(1), vuc.Runtime.Get("counter").Export())86 })87 })88 })89 t.Run("Invalid", func(t *testing.T) {90 t.Parallel()91 _, err := getSimpleRunner(t, "/​script.js", `blarg`)92 assert.EqualError(t, err, "ReferenceError: blarg is not defined\n\tat file:/​/​/​script.js:1:1(0)\n")93 })94}95func TestRunnerGetDefaultGroup(t *testing.T) {96 t.Parallel()97 r1, err := getSimpleRunner(t, "/​script.js", `exports.default = function() {};`)98 if assert.NoError(t, err) {99 assert.NotNil(t, r1.GetDefaultGroup())100 }101 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})102 if assert.NoError(t, err) {103 assert.NotNil(t, r2.GetDefaultGroup())104 }105}106func TestRunnerOptions(t *testing.T) {107 t.Parallel()108 r1, err := getSimpleRunner(t, "/​script.js", `exports.default = function() {};`)109 require.NoError(t, err)110 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})111 require.NoError(t, err)112 testdata := map[string]*Runner{"Source": r1, "Archive": r2}113 for name, r := range testdata {114 name, r := name, r115 t.Run(name, func(t *testing.T) {116 t.Parallel()117 assert.Equal(t, r.Bundle.Options, r.GetOptions())118 assert.Equal(t, null.NewBool(false, false), r.Bundle.Options.Paused)119 r.SetOptions(lib.Options{Paused: null.BoolFrom(true)})120 assert.Equal(t, r.Bundle.Options, r.GetOptions())121 assert.Equal(t, null.NewBool(true, true), r.Bundle.Options.Paused)122 r.SetOptions(lib.Options{Paused: null.BoolFrom(false)})123 assert.Equal(t, r.Bundle.Options, r.GetOptions())124 assert.Equal(t, null.NewBool(false, true), r.Bundle.Options.Paused)125 })126 }127}128func TestOptionsSettingToScript(t *testing.T) {129 t.Parallel()130 optionVariants := []string{131 "",132 "var options = null;",133 "var options = undefined;",134 "var options = {};",135 "var options = {teardownTimeout: '1s'};",136 }137 for i, variant := range optionVariants {138 variant := variant139 t.Run(fmt.Sprintf("Variant#%d", i), func(t *testing.T) {140 t.Parallel()141 data := variant + `142 exports.default = function() {143 if (!options) {144 throw new Error("Expected options to be defined!");145 }146 if (options.teardownTimeout != __ENV.expectedTeardownTimeout) {147 throw new Error("expected teardownTimeout to be " + __ENV.expectedTeardownTimeout + " but it was " + options.teardownTimeout);148 }149 };`150 r, err := getSimpleRunner(t, "/​script.js", data,151 lib.RuntimeOptions{Env: map[string]string{"expectedTeardownTimeout": "4s"}})152 require.NoError(t, err)153 newOptions := lib.Options{TeardownTimeout: types.NullDurationFrom(4 * time.Second)}154 r.SetOptions(newOptions)155 require.Equal(t, newOptions, r.GetOptions())156 samples := make(chan stats.SampleContainer, 100)157 initVU, err := r.NewVU(1, 1, samples)158 if assert.NoError(t, err) {159 ctx, cancel := context.WithCancel(context.Background())160 defer cancel()161 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})162 err := vu.RunOnce()163 assert.NoError(t, err)164 }165 })166 }167}168func TestOptionsPropagationToScript(t *testing.T) {169 t.Parallel()170 data := `171 var options = { setupTimeout: "1s", myOption: "test" };172 exports.options = options;173 exports.default = function() {174 if (options.external) {175 throw new Error("Unexpected property external!");176 }177 if (options.myOption != "test") {178 throw new Error("expected myOption to remain unchanged but it was '" + options.myOption + "'");179 }180 if (options.setupTimeout != __ENV.expectedSetupTimeout) {181 throw new Error("expected setupTimeout to be " + __ENV.expectedSetupTimeout + " but it was " + options.setupTimeout);182 }183 };`184 expScriptOptions := lib.Options{SetupTimeout: types.NullDurationFrom(1 * time.Second)}185 r1, err := getSimpleRunner(t, "/​script.js", data,186 lib.RuntimeOptions{Env: map[string]string{"expectedSetupTimeout": "1s"}})187 require.NoError(t, err)188 require.Equal(t, expScriptOptions, r1.GetOptions())189 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{Env: map[string]string{"expectedSetupTimeout": "3s"}})190 require.NoError(t, err)191 require.Equal(t, expScriptOptions, r2.GetOptions())192 newOptions := lib.Options{SetupTimeout: types.NullDurationFrom(3 * time.Second)}193 require.NoError(t, r2.SetOptions(newOptions))194 require.Equal(t, newOptions, r2.GetOptions())195 testdata := map[string]*Runner{"Source": r1, "Archive": r2}196 for name, r := range testdata {197 r := r198 t.Run(name, func(t *testing.T) {199 t.Parallel()200 samples := make(chan stats.SampleContainer, 100)201 initVU, err := r.NewVU(1, 1, samples)202 if assert.NoError(t, err) {203 ctx, cancel := context.WithCancel(context.Background())204 defer cancel()205 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})206 err := vu.RunOnce()207 assert.NoError(t, err)208 }209 })210 }211}212func TestMetricName(t *testing.T) {213 t.Parallel()214 script := `215 var Counter = require("k6/​metrics").Counter;216 var myCounter = new Counter("not ok name @");217 exports.default = function(data) {218 myCounter.add(1);219 }220 `221 _, err := getSimpleRunner(t, "/​script.js", script)222 require.Error(t, err)223}224func TestSetupDataIsolation(t *testing.T) {225 t.Parallel()226 script := `227 var Counter = require("k6/​metrics").Counter;228 exports.options = {229 scenarios: {230 shared_iters: {231 executor: "shared-iterations",232 vus: 5,233 iterations: 500,234 },235 },236 teardownTimeout: "5s",237 setupTimeout: "5s",238 };239 var myCounter = new Counter("mycounter");240 exports.setup = function() {241 return { v: 0 };242 }243 exports.default = function(data) {244 if (data.v !== __ITER) {245 throw new Error("default: wrong data for iter " + __ITER + ": " + JSON.stringify(data));246 }247 data.v += 1;248 myCounter.add(1);249 }250 exports.teardown = function(data) {251 if (data.v !== 0) {252 throw new Error("teardown: wrong data: " + data.v);253 }254 myCounter.add(1);255 }256 `257 runner, err := getSimpleRunner(t, "/​script.js", script)258 require.NoError(t, err)259 options := runner.GetOptions()260 require.Empty(t, options.Validate())261 execScheduler, err := local.NewExecutionScheduler(runner, testutils.NewLogger(t))262 require.NoError(t, err)263 mockOutput := mockoutput.New()264 engine, err := core.NewEngine(265 execScheduler, options, lib.RuntimeOptions{}, []output.Output{mockOutput}, testutils.NewLogger(t),266 )267 require.NoError(t, err)268 ctx, cancel := context.WithCancel(context.Background())269 run, wait, err := engine.Init(ctx, ctx)270 require.NoError(t, err)271 require.Empty(t, runner.defaultGroup.Groups)272 errC := make(chan error)273 go func() { errC <- run() }()274 select {275 case <-time.After(10 * time.Second):276 cancel()277 t.Fatal("Test timed out")278 case err := <-errC:279 cancel()280 require.NoError(t, err)281 wait()282 require.False(t, engine.IsTainted())283 }284 require.Contains(t, runner.defaultGroup.Groups, "setup")285 require.Contains(t, runner.defaultGroup.Groups, "teardown")286 var count int287 for _, s := range mockOutput.Samples {288 if s.Metric.Name == "mycounter" {289 count += int(s.Value)290 }291 }292 require.Equal(t, 501, count, "mycounter should be the number of iterations + 1 for the teardown")293}294func testSetupDataHelper(t *testing.T, data string) {295 t.Helper()296 expScriptOptions := lib.Options{297 SetupTimeout: types.NullDurationFrom(1 * time.Second),298 TeardownTimeout: types.NullDurationFrom(1 * time.Second),299 }300 r1, err := getSimpleRunner(t, "/​script.js", data) /​/​ TODO fix this301 require.NoError(t, err)302 require.Equal(t, expScriptOptions, r1.GetOptions())303 testdata := map[string]*Runner{"Source": r1}304 for name, r := range testdata {305 r := r306 t.Run(name, func(t *testing.T) {307 t.Parallel()308 samples := make(chan stats.SampleContainer, 100)309 if !assert.NoError(t, r.Setup(context.Background(), samples)) {310 return311 }312 initVU, err := r.NewVU(1, 1, samples)313 if assert.NoError(t, err) {314 ctx, cancel := context.WithCancel(context.Background())315 defer cancel()316 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})317 err := vu.RunOnce()318 assert.NoError(t, err)319 }320 })321 }322}323func TestSetupDataReturnValue(t *testing.T) {324 t.Parallel()325 testSetupDataHelper(t, `326 exports.options = { setupTimeout: "1s", teardownTimeout: "1s" };327 exports.setup = function() {328 return 42;329 }330 exports.default = function(data) {331 if (data != 42) {332 throw new Error("default: wrong data: " + JSON.stringify(data))333 }334 };335 exports.teardown = function(data) {336 if (data != 42) {337 throw new Error("teardown: wrong data: " + JSON.stringify(data))338 }339 };`)340}341func TestSetupDataNoSetup(t *testing.T) {342 t.Parallel()343 testSetupDataHelper(t, `344 exports.options = { setupTimeout: "1s", teardownTimeout: "1s" };345 exports.default = function(data) {346 if (data !== undefined) {347 throw new Error("default: wrong data: " + JSON.stringify(data))348 }349 };350 exports.teardown = function(data) {351 if (data !== undefined) {352 console.log(data);353 throw new Error("teardown: wrong data: " + JSON.stringify(data))354 }355 };`)356}357func TestConsoleInInitContext(t *testing.T) {358 t.Parallel()359 r1, err := getSimpleRunner(t, "/​script.js", `360 console.log("1");361 exports.default = function(data) {362 };363 `)364 require.NoError(t, err)365 testdata := map[string]*Runner{"Source": r1}366 for name, r := range testdata {367 r := r368 t.Run(name, func(t *testing.T) {369 t.Parallel()370 samples := make(chan stats.SampleContainer, 100)371 initVU, err := r.NewVU(1, 1, samples)372 if assert.NoError(t, err) {373 ctx, cancel := context.WithCancel(context.Background())374 defer cancel()375 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})376 err := vu.RunOnce()377 assert.NoError(t, err)378 }379 })380 }381}382func TestSetupDataNoReturn(t *testing.T) {383 t.Parallel()384 testSetupDataHelper(t, `385 exports.options = { setupTimeout: "1s", teardownTimeout: "1s" };386 exports.setup = function() { }387 exports.default = function(data) {388 if (data !== undefined) {389 throw new Error("default: wrong data: " + JSON.stringify(data))390 }391 };392 exports.teardown = function(data) {393 if (data !== undefined) {394 throw new Error("teardown: wrong data: " + JSON.stringify(data))395 }396 };`)397}398func TestRunnerIntegrationImports(t *testing.T) {399 t.Parallel()400 t.Run("Modules", func(t *testing.T) {401 t.Parallel()402 modules := []string{403 "k6",404 "k6/​http",405 "k6/​metrics",406 "k6/​html",407 }408 rtOpts := lib.RuntimeOptions{CompatibilityMode: null.StringFrom("extended")}409 for _, mod := range modules {410 mod := mod411 t.Run(mod, func(t *testing.T) {412 t.Run("Source", func(t *testing.T) {413 _, err := getSimpleRunner(t, "/​script.js", fmt.Sprintf(`import "%s"; exports.default = function() {}`, mod), rtOpts)414 assert.NoError(t, err)415 })416 })417 }418 })419 t.Run("Files", func(t *testing.T) {420 t.Parallel()421 testdata := map[string]struct{ filename, path string }{422 "Absolute": {"/​path/​script.js", "/​path/​to/​lib.js"},423 "Relative": {"/​path/​script.js", "./​to/​lib.js"},424 "Adjacent": {"/​path/​to/​script.js", "./​lib.js"},425 "STDIN-Absolute": {"-", "/​path/​to/​lib.js"},426 "STDIN-Relative": {"-", "./​path/​to/​lib.js"},427 }428 for name, data := range testdata {429 name, data := name, data430 t.Run(name, func(t *testing.T) {431 t.Parallel()432 fs := afero.NewMemMapFs()433 require.NoError(t, fs.MkdirAll("/​path/​to", 0o755))434 require.NoError(t, afero.WriteFile(fs, "/​path/​to/​lib.js", []byte(`exports.default = "hi!";`), 0o644))435 r1, err := getSimpleRunner(t, data.filename, fmt.Sprintf(`436 var hi = require("%s").default;437 exports.default = function() {438 if (hi != "hi!") { throw new Error("incorrect value"); }439 }`, data.path), fs)440 require.NoError(t, err)441 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})442 require.NoError(t, err)443 testdata := map[string]*Runner{"Source": r1, "Archive": r2}444 for name, r := range testdata {445 r := r446 t.Run(name, func(t *testing.T) {447 initVU, err := r.NewVU(1, 1, make(chan stats.SampleContainer, 100))448 require.NoError(t, err)449 ctx, cancel := context.WithCancel(context.Background())450 defer cancel()451 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})452 err = vu.RunOnce()453 require.NoError(t, err)454 })455 }456 })457 }458 })459}460func TestVURunContext(t *testing.T) {461 t.Parallel()462 r1, err := getSimpleRunner(t, "/​script.js", `463 exports.options = { vus: 10 };464 exports.default = function() { fn(); }465 `)466 require.NoError(t, err)467 r1.SetOptions(r1.GetOptions().Apply(lib.Options{Throw: null.BoolFrom(true)}))468 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})469 require.NoError(t, err)470 testdata := map[string]*Runner{"Source": r1, "Archive": r2}471 for name, r := range testdata {472 r := r473 t.Run(name, func(t *testing.T) {474 t.Parallel()475 vu, err := r.newVU(1, 1, make(chan stats.SampleContainer, 100))476 require.NoError(t, err)477 fnCalled := false478 vu.Runtime.Set("fn", func() {479 fnCalled = true480 assert.Equal(t, vu.Runtime, common.GetRuntime(*vu.Context), "incorrect runtime in context")481 assert.Nil(t, common.GetInitEnv(*vu.Context)) /​/​ shouldn't get this in the vu context482 state := lib.GetState(*vu.Context)483 if assert.NotNil(t, state) {484 assert.Equal(t, null.IntFrom(10), state.Options.VUs)485 assert.Equal(t, null.BoolFrom(true), state.Options.Throw)486 assert.NotNil(t, state.Logger)487 assert.Equal(t, r.GetDefaultGroup(), state.Group)488 assert.Equal(t, vu.Transport, state.Transport)489 }490 })491 ctx, cancel := context.WithCancel(context.Background())492 defer cancel()493 activeVU := vu.Activate(&lib.VUActivationParams{RunContext: ctx})494 err = activeVU.RunOnce()495 assert.NoError(t, err)496 assert.True(t, fnCalled, "fn() not called")497 })498 }499}500func TestVURunInterrupt(t *testing.T) {501 t.Parallel()502 r1, err := getSimpleRunner(t, "/​script.js", `503 exports.default = function() { while(true) {} }504 `)505 require.NoError(t, err)506 require.NoError(t, r1.SetOptions(lib.Options{Throw: null.BoolFrom(true)}))507 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})508 require.NoError(t, err)509 testdata := map[string]*Runner{"Source": r1, "Archive": r2}510 for name, r := range testdata {511 name, r := name, r512 t.Run(name, func(t *testing.T) {513 t.Parallel()514 samples := make(chan stats.SampleContainer, 100)515 defer close(samples)516 go func() {517 for range samples {518 }519 }()520 vu, err := r.newVU(1, 1, samples)521 require.NoError(t, err)522 ctx, cancel := context.WithTimeout(context.Background(), 20*time.Millisecond)523 defer cancel()524 activeVU := vu.Activate(&lib.VUActivationParams{RunContext: ctx})525 err = activeVU.RunOnce()526 assert.Error(t, err)527 assert.Contains(t, err.Error(), "context canceled")528 })529 }530}531func TestVURunInterruptDoesntPanic(t *testing.T) {532 t.Parallel()533 r1, err := getSimpleRunner(t, "/​script.js", `534 exports.default = function() { while(true) {} }535 `)536 require.NoError(t, err)537 require.NoError(t, r1.SetOptions(lib.Options{Throw: null.BoolFrom(true)}))538 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})539 require.NoError(t, err)540 testdata := map[string]*Runner{"Source": r1, "Archive": r2}541 for name, r := range testdata {542 r := r543 t.Run(name, func(t *testing.T) {544 t.Parallel()545 ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)546 defer cancel()547 samples := make(chan stats.SampleContainer, 100)548 defer close(samples)549 go func() {550 for range samples {551 }552 }()553 var wg sync.WaitGroup554 initVU, err := r.newVU(1, 1, samples)555 require.NoError(t, err)556 for i := 0; i < 1000; i++ {557 wg.Add(1)558 newCtx, newCancel := context.WithCancel(ctx)559 vu := initVU.Activate(&lib.VUActivationParams{560 RunContext: newCtx,561 DeactivateCallback: func(_ lib.InitializedVU) { wg.Done() },562 })563 ch := make(chan struct{})564 go func() {565 close(ch)566 vuErr := vu.RunOnce()567 assert.Error(t, vuErr)568 assert.Contains(t, vuErr.Error(), "context canceled")569 }()570 <-ch571 time.Sleep(time.Millisecond * 1) /​/​ NOTE: increase this in case of problems ;)572 newCancel()573 wg.Wait()574 }575 })576 }577}578func TestVUIntegrationGroups(t *testing.T) {579 t.Parallel()580 r1, err := getSimpleRunner(t, "/​script.js", `581 var group = require("k6").group;582 exports.default = function() {583 fnOuter();584 group("my group", function() {585 fnInner();586 group("nested group", function() {587 fnNested();588 })589 });590 }591 `)592 require.NoError(t, err)593 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})594 require.NoError(t, err)595 testdata := map[string]*Runner{"Source": r1, "Archive": r2}596 for name, r := range testdata {597 r := r598 t.Run(name, func(t *testing.T) {599 t.Parallel()600 vu, err := r.newVU(1, 1, make(chan stats.SampleContainer, 100))601 require.NoError(t, err)602 fnOuterCalled := false603 fnInnerCalled := false604 fnNestedCalled := false605 vu.Runtime.Set("fnOuter", func() {606 fnOuterCalled = true607 assert.Equal(t, r.GetDefaultGroup(), lib.GetState(*vu.Context).Group)608 })609 vu.Runtime.Set("fnInner", func() {610 fnInnerCalled = true611 g := lib.GetState(*vu.Context).Group612 assert.Equal(t, "my group", g.Name)613 assert.Equal(t, r.GetDefaultGroup(), g.Parent)614 })615 vu.Runtime.Set("fnNested", func() {616 fnNestedCalled = true617 g := lib.GetState(*vu.Context).Group618 assert.Equal(t, "nested group", g.Name)619 assert.Equal(t, "my group", g.Parent.Name)620 assert.Equal(t, r.GetDefaultGroup(), g.Parent.Parent)621 })622 ctx, cancel := context.WithCancel(context.Background())623 defer cancel()624 activeVU := vu.Activate(&lib.VUActivationParams{RunContext: ctx})625 err = activeVU.RunOnce()626 assert.NoError(t, err)627 assert.True(t, fnOuterCalled, "fnOuter() not called")628 assert.True(t, fnInnerCalled, "fnInner() not called")629 assert.True(t, fnNestedCalled, "fnNested() not called")630 })631 }632}633func TestVUIntegrationMetrics(t *testing.T) {634 t.Parallel()635 r1, err := getSimpleRunner(t, "/​script.js", `636 var group = require("k6").group;637 var Trend = require("k6/​metrics").Trend;638 var myMetric = new Trend("my_metric");639 exports.default = function() { myMetric.add(5); }640 `)641 require.NoError(t, err)642 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})643 require.NoError(t, err)644 testdata := map[string]*Runner{"Source": r1, "Archive": r2}645 for name, r := range testdata {646 r := r647 t.Run(name, func(t *testing.T) {648 t.Parallel()649 samples := make(chan stats.SampleContainer, 100)650 defer close(samples)651 vu, err := r.newVU(1, 1, samples)652 require.NoError(t, err)653 ctx, cancel := context.WithCancel(context.Background())654 defer cancel()655 activeVU := vu.Activate(&lib.VUActivationParams{RunContext: ctx})656 err = activeVU.RunOnce()657 assert.NoError(t, err)658 sampleCount := 0659 for i, sampleC := range stats.GetBufferedSamples(samples) {660 for j, s := range sampleC.GetSamples() {661 sampleCount++662 switch i + j {663 case 0:664 assert.Equal(t, 5.0, s.Value)665 assert.Equal(t, "my_metric", s.Metric.Name)666 assert.Equal(t, stats.Trend, s.Metric.Type)667 case 1:668 assert.Equal(t, 0.0, s.Value)669 assert.Equal(t, metrics.DataSent, s.Metric, "`data_sent` sample is before `data_received` and `iteration_duration`")670 case 2:671 assert.Equal(t, 0.0, s.Value)672 assert.Equal(t, metrics.DataReceived, s.Metric, "`data_received` sample is after `data_received`")673 case 3:674 assert.Equal(t, metrics.IterationDuration, s.Metric, "`iteration-duration` sample is after `data_received`")675 case 4:676 assert.Equal(t, metrics.Iterations, s.Metric, "`iterations` sample is after `iteration_duration`")677 assert.Equal(t, float64(1), s.Value)678 }679 }680 }681 assert.Equal(t, sampleCount, 5)682 })683 }684}685func TestVUIntegrationInsecureRequests(t *testing.T) {686 t.Parallel()687 testdata := map[string]struct {688 opts lib.Options689 errMsg string690 }{691 "Null": {692 lib.Options{},693 "x509: certificate has expired or is not yet valid",694 },695 "False": {696 lib.Options{InsecureSkipTLSVerify: null.BoolFrom(false)},697 "x509: certificate has expired or is not yet valid",698 },699 "True": {700 lib.Options{InsecureSkipTLSVerify: null.BoolFrom(true)},701 "",702 },703 }704 for name, data := range testdata {705 data := data706 t.Run(name, func(t *testing.T) {707 t.Parallel()708 r1, err := getSimpleRunner(t, "/​script.js", `709 var http = require("k6/​http");;710 exports.default = function() { http.get("https:/​/​expired.badssl.com/​"); }711 `)712 require.NoError(t, err)713 require.NoError(t, r1.SetOptions(lib.Options{Throw: null.BoolFrom(true)}.Apply(data.opts)))714 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})715 require.NoError(t, err)716 runners := map[string]*Runner{"Source": r1, "Archive": r2}717 for name, r := range runners {718 r := r719 t.Run(name, func(t *testing.T) {720 t.Parallel()721 r.Logger, _ = logtest.NewNullLogger()722 initVU, err := r.NewVU(1, 1, make(chan stats.SampleContainer, 100))723 require.NoError(t, err)724 ctx, cancel := context.WithCancel(context.Background())725 defer cancel()726 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})727 err = vu.RunOnce()728 if data.errMsg != "" {729 require.Error(t, err)730 assert.Contains(t, err.Error(), data.errMsg)731 } else {732 assert.NoError(t, err)733 }734 })735 }736 })737 }738}739func TestVUIntegrationBlacklistOption(t *testing.T) {740 t.Parallel()741 r1, err := getSimpleRunner(t, "/​script.js", `742 var http = require("k6/​http");;743 exports.default = function() { http.get("http:/​/​10.1.2.3/​"); }744 `)745 require.NoError(t, err)746 cidr, err := lib.ParseCIDR("10.0.0.0/​8")747 require.NoError(t, err)748 require.NoError(t, r1.SetOptions(lib.Options{749 Throw: null.BoolFrom(true),750 BlacklistIPs: []*lib.IPNet{cidr},751 }))752 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})753 require.NoError(t, err)754 runners := map[string]*Runner{"Source": r1, "Archive": r2}755 for name, r := range runners {756 r := r757 t.Run(name, func(t *testing.T) {758 t.Parallel()759 initVU, err := r.NewVU(1, 1, make(chan stats.SampleContainer, 100))760 require.NoError(t, err)761 ctx, cancel := context.WithCancel(context.Background())762 defer cancel()763 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})764 err = vu.RunOnce()765 require.Error(t, err)766 assert.Contains(t, err.Error(), "IP (10.1.2.3) is in a blacklisted range (10.0.0.0/​8)")767 })768 }769}770func TestVUIntegrationBlacklistScript(t *testing.T) {771 t.Parallel()772 r1, err := getSimpleRunner(t, "/​script.js", `773 var http = require("k6/​http");;774 exports.options = {775 throw: true,776 blacklistIPs: ["10.0.0.0/​8"],777 };778 exports.default = function() { http.get("http:/​/​10.1.2.3/​"); }779 `)780 require.NoError(t, err)781 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})782 require.NoError(t, err)783 runners := map[string]*Runner{"Source": r1, "Archive": r2}784 for name, r := range runners {785 r := r786 t.Run(name, func(t *testing.T) {787 t.Parallel()788 initVU, err := r.NewVU(1, 1, make(chan stats.SampleContainer, 100))789 require.NoError(t, err)790 ctx, cancel := context.WithCancel(context.Background())791 defer cancel()792 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})793 err = vu.RunOnce()794 require.Error(t, err)795 assert.Contains(t, err.Error(), "IP (10.1.2.3) is in a blacklisted range (10.0.0.0/​8)")796 })797 }798}799func TestVUIntegrationBlockHostnamesOption(t *testing.T) {800 t.Parallel()801 r1, err := getSimpleRunner(t, "/​script.js", `802 var http = require("k6/​http");803 exports.default = function() { http.get("https:/​/​k6.io/​"); }804 `)805 require.NoError(t, err)806 hostnames, err := types.NewNullHostnameTrie([]string{"*.io"})807 require.NoError(t, err)808 require.NoError(t, r1.SetOptions(lib.Options{809 Throw: null.BoolFrom(true),810 BlockedHostnames: hostnames,811 }))812 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})813 require.NoError(t, err)814 runners := map[string]*Runner{"Source": r1, "Archive": r2}815 for name, r := range runners {816 r := r817 t.Run(name, func(t *testing.T) {818 t.Parallel()819 initVu, err := r.NewVU(1, 1, make(chan stats.SampleContainer, 100))820 require.NoError(t, err)821 vu := initVu.Activate(&lib.VUActivationParams{RunContext: context.Background()})822 err = vu.RunOnce()823 require.Error(t, err)824 assert.Contains(t, err.Error(), "hostname (k6.io) is in a blocked pattern (*.io)")825 })826 }827}828func TestVUIntegrationBlockHostnamesScript(t *testing.T) {829 t.Parallel()830 r1, err := getSimpleRunner(t, "/​script.js", `831 var http = require("k6/​http");832 exports.options = {833 throw: true,834 blockHostnames: ["*.io"],835 };836 exports.default = function() { http.get("https:/​/​k6.io/​"); }837 `)838 require.NoError(t, err)839 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})840 require.NoError(t, err)841 runners := map[string]*Runner{"Source": r1, "Archive": r2}842 for name, r := range runners {843 r := r844 t.Run(name, func(t *testing.T) {845 t.Parallel()846 initVu, err := r.NewVU(0, 0, make(chan stats.SampleContainer, 100))847 require.NoError(t, err)848 vu := initVu.Activate(&lib.VUActivationParams{RunContext: context.Background()})849 err = vu.RunOnce()850 require.Error(t, err)851 assert.Contains(t, err.Error(), "hostname (k6.io) is in a blocked pattern (*.io)")852 })853 }854}855func TestVUIntegrationHosts(t *testing.T) {856 t.Parallel()857 tb := httpmultibin.NewHTTPMultiBin(t)858 r1, err := getSimpleRunner(t, "/​script.js",859 tb.Replacer.Replace(`860 var k6 = require("k6");861 var check = k6.check;862 var fail = k6.fail;863 var http = require("k6/​http");;864 exports.default = function() {865 var res = http.get("http:/​/​test.loadimpact.com:HTTPBIN_PORT/​");866 check(res, {867 "is correct IP": function(r) { return r.remote_ip === "127.0.0.1" }868 }) || fail("failed to override dns");869 }870 `))871 require.NoError(t, err)872 r1.SetOptions(lib.Options{873 Throw: null.BoolFrom(true),874 Hosts: map[string]*lib.HostAddress{875 "test.loadimpact.com": {IP: net.ParseIP("127.0.0.1")},876 },877 })878 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})879 require.NoError(t, err)880 runners := map[string]*Runner{"Source": r1, "Archive": r2}881 for name, r := range runners {882 r := r883 t.Run(name, func(t *testing.T) {884 t.Parallel()885 initVU, err := r.NewVU(1, 1, make(chan stats.SampleContainer, 100))886 require.NoError(t, err)887 ctx, cancel := context.WithCancel(context.Background())888 defer cancel()889 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})890 err = vu.RunOnce()891 require.NoError(t, err)892 })893 }894}895func TestVUIntegrationTLSConfig(t *testing.T) {896 t.Parallel()897 unsupportedVersionErrorMsg := "remote error: tls: handshake failure"898 for _, tag := range build.Default.ReleaseTags {899 if tag == "go1.12" {900 unsupportedVersionErrorMsg = "tls: no supported versions satisfy MinVersion and MaxVersion"901 break902 }903 }904 testdata := map[string]struct {905 opts lib.Options906 errMsg string907 }{908 "NullCipherSuites": {909 lib.Options{},910 "",911 },912 "SupportedCipherSuite": {913 lib.Options{TLSCipherSuites: &lib.TLSCipherSuites{tls.TLS_RSA_WITH_AES_128_GCM_SHA256}},914 "",915 },916 "UnsupportedCipherSuite": {917 lib.Options{TLSCipherSuites: &lib.TLSCipherSuites{tls.TLS_RSA_WITH_RC4_128_SHA}},918 "remote error: tls: handshake failure",919 },920 "NullVersion": {921 lib.Options{},922 "",923 },924 "SupportedVersion": {925 lib.Options{TLSVersion: &lib.TLSVersions{Min: tls.VersionTLS12, Max: tls.VersionTLS12}},926 "",927 },928 "UnsupportedVersion": {929 lib.Options{TLSVersion: &lib.TLSVersions{Min: tls.VersionSSL30, Max: tls.VersionSSL30}},930 unsupportedVersionErrorMsg,931 },932 }933 for name, data := range testdata {934 data := data935 t.Run(name, func(t *testing.T) {936 t.Parallel()937 r1, err := getSimpleRunner(t, "/​script.js", `938 var http = require("k6/​http");;939 exports.default = function() { http.get("https:/​/​sha256.badssl.com/​"); }940 `)941 require.NoError(t, err)942 require.NoError(t, r1.SetOptions(lib.Options{Throw: null.BoolFrom(true)}.Apply(data.opts)))943 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})944 require.NoError(t, err)945 runners := map[string]*Runner{"Source": r1, "Archive": r2}946 for name, r := range runners {947 r := r948 t.Run(name, func(t *testing.T) {949 t.Parallel()950 r.Logger, _ = logtest.NewNullLogger()951 initVU, err := r.NewVU(1, 1, make(chan stats.SampleContainer, 100))952 require.NoError(t, err)953 ctx, cancel := context.WithCancel(context.Background())954 defer cancel()955 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})956 err = vu.RunOnce()957 if data.errMsg != "" {958 require.Error(t, err)959 assert.Contains(t, err.Error(), data.errMsg)960 } else {961 assert.NoError(t, err)962 }963 })964 }965 })966 }967}968func TestVUIntegrationOpenFunctionError(t *testing.T) {969 t.Parallel()970 r, err := getSimpleRunner(t, "/​script.js", `971 exports.default = function() { open("/​tmp/​foo") }972 `)973 assert.NoError(t, err)974 initVU, err := r.NewVU(1, 1, make(chan stats.SampleContainer, 100))975 assert.NoError(t, err)976 ctx, cancel := context.WithCancel(context.Background())977 defer cancel()978 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})979 err = vu.RunOnce()980 assert.Error(t, err)981 assert.Contains(t, err.Error(), "only available in the init stage")982}983func TestVUIntegrationOpenFunctionErrorWhenSneaky(t *testing.T) {984 t.Parallel()985 r, err := getSimpleRunner(t, "/​script.js", `986 var sneaky = open;987 exports.default = function() { sneaky("/​tmp/​foo") }988 `)989 assert.NoError(t, err)990 initVU, err := r.NewVU(1, 1, make(chan stats.SampleContainer, 100))991 assert.NoError(t, err)992 ctx, cancel := context.WithCancel(context.Background())993 defer cancel()994 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})995 err = vu.RunOnce()996 assert.Error(t, err)997 assert.Contains(t, err.Error(), "only available in the init stage")998}999func TestVUIntegrationCookiesReset(t *testing.T) {1000 t.Parallel()1001 tb := httpmultibin.NewHTTPMultiBin(t)1002 r1, err := getSimpleRunner(t, "/​script.js", tb.Replacer.Replace(`1003 var http = require("k6/​http");;1004 exports.default = function() {1005 var url = "HTTPBIN_URL";1006 var preRes = http.get(url + "/​cookies");1007 if (preRes.status != 200) { throw new Error("wrong status (pre): " + preRes.status); }1008 if (preRes.json().k1 || preRes.json().k2) {1009 throw new Error("cookies persisted: " + preRes.body);1010 }1011 var res = http.get(url + "/​cookies/​set?k2=v2&k1=v1");1012 if (res.status != 200) { throw new Error("wrong status: " + res.status) }1013 if (res.json().k1 != "v1" || res.json().k2 != "v2") {1014 throw new Error("wrong cookies: " + res.body);1015 }1016 }1017 `))1018 require.NoError(t, err)1019 r1.SetOptions(lib.Options{1020 Throw: null.BoolFrom(true),1021 MaxRedirects: null.IntFrom(10),1022 Hosts: tb.Dialer.Hosts,1023 })1024 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})1025 require.NoError(t, err)1026 runners := map[string]*Runner{"Source": r1, "Archive": r2}1027 for name, r := range runners {1028 r := r1029 t.Run(name, func(t *testing.T) {1030 t.Parallel()1031 initVU, err := r.NewVU(1, 1, make(chan stats.SampleContainer, 100))1032 require.NoError(t, err)1033 ctx, cancel := context.WithCancel(context.Background())1034 defer cancel()1035 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})1036 for i := 0; i < 2; i++ {1037 err = vu.RunOnce()1038 assert.NoError(t, err)1039 }1040 })1041 }1042}1043func TestVUIntegrationCookiesNoReset(t *testing.T) {1044 t.Parallel()1045 tb := httpmultibin.NewHTTPMultiBin(t)1046 r1, err := getSimpleRunner(t, "/​script.js", tb.Replacer.Replace(`1047 var http = require("k6/​http");;1048 exports.default = function() {1049 var url = "HTTPBIN_URL";1050 if (__ITER == 0) {1051 var res = http.get(url + "/​cookies/​set?k2=v2&k1=v1");1052 if (res.status != 200) { throw new Error("wrong status: " + res.status) }1053 if (res.json().k1 != "v1" || res.json().k2 != "v2") {1054 throw new Error("wrong cookies: " + res.body);1055 }1056 }1057 if (__ITER == 1) {1058 var res = http.get(url + "/​cookies");1059 if (res.status != 200) { throw new Error("wrong status (pre): " + res.status); }1060 if (res.json().k1 != "v1" || res.json().k2 != "v2") {1061 throw new Error("wrong cookies: " + res.body);1062 }1063 }1064 }1065 `))1066 require.NoError(t, err)1067 r1.SetOptions(lib.Options{1068 Throw: null.BoolFrom(true),1069 MaxRedirects: null.IntFrom(10),1070 Hosts: tb.Dialer.Hosts,1071 NoCookiesReset: null.BoolFrom(true),1072 })1073 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})1074 require.NoError(t, err)1075 runners := map[string]*Runner{"Source": r1, "Archive": r2}1076 for name, r := range runners {1077 r := r1078 t.Run(name, func(t *testing.T) {1079 t.Parallel()1080 initVU, err := r.NewVU(1, 1, make(chan stats.SampleContainer, 100))1081 require.NoError(t, err)1082 ctx, cancel := context.WithCancel(context.Background())1083 defer cancel()1084 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})1085 err = vu.RunOnce()1086 assert.NoError(t, err)1087 err = vu.RunOnce()1088 assert.NoError(t, err)1089 })1090 }1091}1092func TestVUIntegrationVUID(t *testing.T) {1093 t.Parallel()1094 r1, err := getSimpleRunner(t, "/​script.js", `1095 exports.default = function() {1096 if (__VU != 1234) { throw new Error("wrong __VU: " + __VU); }1097 }`,1098 )1099 require.NoError(t, err)1100 r1.SetOptions(lib.Options{Throw: null.BoolFrom(true)})1101 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})1102 require.NoError(t, err)1103 runners := map[string]*Runner{"Source": r1, "Archive": r2}1104 for name, r := range runners {1105 r := r1106 t.Run(name, func(t *testing.T) {1107 t.Parallel()1108 initVU, err := r.NewVU(1234, 1234, make(chan stats.SampleContainer, 100))1109 require.NoError(t, err)1110 ctx, cancel := context.WithCancel(context.Background())1111 defer cancel()1112 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})1113 err = vu.RunOnce()1114 assert.NoError(t, err)1115 })1116 }1117}1118func TestVUIntegrationClientCerts(t *testing.T) {1119 t.Parallel()1120 clientCAPool := x509.NewCertPool()1121 assert.True(t, clientCAPool.AppendCertsFromPEM(1122 []byte("-----BEGIN CERTIFICATE-----\n"+1123 "MIIBYzCCAQqgAwIBAgIUMYw1pqZ1XhXdFG0S2ITXhfHBsWgwCgYIKoZIzj0EAwIw\n"+1124 "EDEOMAwGA1UEAxMFTXkgQ0EwHhcNMTcwODE1MTYxODAwWhcNMjIwODE0MTYxODAw\n"+1125 "WjAQMQ4wDAYDVQQDEwVNeSBDQTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABFWO\n"+1126 "fg4dgL8cdvjoSWDQFLBJxlbQFlZfOSyUR277a4g91BD07KWX+9ny+Q8WuUODog06\n"+1127 "xH1g8fc6zuaejllfzM6jQjBAMA4GA1UdDwEB/​wQEAwIBBjAPBgNVHRMBAf8EBTAD\n"+1128 "AQH/​MB0GA1UdDgQWBBTeoSFylGCmyqj1X4sWez1r6hkhjDAKBggqhkjOPQQDAgNH\n"+1129 "ADBEAiAfuKi6u/​BVXenCkgnU2sfXsYjel6rACuXEcx01yaaWuQIgXAtjrDisdlf4\n"+1130 "0ZdoIoYjNhDAXUtnyRBt+V6+rIklv/​8=\n"+1131 "-----END CERTIFICATE-----"),1132 ))1133 serverCert, err := tls.X509KeyPair(1134 []byte("-----BEGIN CERTIFICATE-----\n"+1135 "MIIBxjCCAW2gAwIBAgIUICcYHG1bI28NZm676wHlMPxL+CEwCgYIKoZIzj0EAwIw\n"+1136 "EDEOMAwGA1UEAxMFTXkgQ0EwHhcNMTcwODE3MTQwNjAwWhcNMTgwODE3MTQwNjAw\n"+1137 "WjAZMRcwFQYDVQQDEw4xMjcuMC4wLjE6Njk2OTBZMBMGByqGSM49AgEGCCqGSM49\n"+1138 "AwEHA0IABCdD1IqowucJ5oUjGYCZZnXvgi7EMD4jD1osbOkzOFFnHSLRvdm6fcJu\n"+1139 "vPUcl4g8zUs466sC0AVUNpk21XbA/​QajgZswgZgwDgYDVR0PAQH/​BAQDAgWgMB0G\n"+1140 "A1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1Ud\n"+1141 "DgQWBBTeAc8HY3sgGIV+fu/​lY0OKr2Ho0jAfBgNVHSMEGDAWgBTeoSFylGCmyqj1\n"+1142 "X4sWez1r6hkhjDAZBgNVHREEEjAQgg4xMjcuMC4wLjE6Njk2OTAKBggqhkjOPQQD\n"+1143 "AgNHADBEAiAt3gC5FGQfSJXQ5DloXAOeJDFnKIL7d6xhftgPS5O08QIgRuAyysB8\n"+1144 "5JXHvvze5DMN/​clHYptos9idVFc+weUZAUQ=\n"+1145 "-----END CERTIFICATE-----\n"+1146 "-----BEGIN CERTIFICATE-----\n"+1147 "MIIBYzCCAQqgAwIBAgIUMYw1pqZ1XhXdFG0S2ITXhfHBsWgwCgYIKoZIzj0EAwIw\n"+1148 "EDEOMAwGA1UEAxMFTXkgQ0EwHhcNMTcwODE1MTYxODAwWhcNMjIwODE0MTYxODAw\n"+1149 "WjAQMQ4wDAYDVQQDEwVNeSBDQTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABFWO\n"+1150 "fg4dgL8cdvjoSWDQFLBJxlbQFlZfOSyUR277a4g91BD07KWX+9ny+Q8WuUODog06\n"+1151 "xH1g8fc6zuaejllfzM6jQjBAMA4GA1UdDwEB/​wQEAwIBBjAPBgNVHRMBAf8EBTAD\n"+1152 "AQH/​MB0GA1UdDgQWBBTeoSFylGCmyqj1X4sWez1r6hkhjDAKBggqhkjOPQQDAgNH\n"+1153 "ADBEAiAfuKi6u/​BVXenCkgnU2sfXsYjel6rACuXEcx01yaaWuQIgXAtjrDisdlf4\n"+1154 "0ZdoIoYjNhDAXUtnyRBt+V6+rIklv/​8=\n"+1155 "-----END CERTIFICATE-----"),1156 []byte("-----BEGIN EC PRIVATE KEY-----\n"+1157 "MHcCAQEEIKYptA4VtQ8UOKL+d1wkhl+51aPpvO+ppY62nLF9Z1w5oAoGCCqGSM49\n"+1158 "AwEHoUQDQgAEJ0PUiqjC5wnmhSMZgJlmde+CLsQwPiMPWixs6TM4UWcdItG92bp9\n"+1159 "wm689RyXiDzNSzjrqwLQBVQ2mTbVdsD9Bg==\n"+1160 "-----END EC PRIVATE KEY-----"),1161 )1162 require.NoError(t, err)1163 listener, err := tls.Listen("tcp", "127.0.0.1:0", &tls.Config{1164 Certificates: []tls.Certificate{serverCert},1165 ClientAuth: tls.RequireAndVerifyClientCert,1166 ClientCAs: clientCAPool,1167 })1168 require.NoError(t, err)1169 t.Cleanup(func() { _ = listener.Close() })1170 srv := &http.Server{1171 Handler: http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {1172 _, _ = fmt.Fprintf(w, "ok")1173 }),1174 ErrorLog: stdlog.New(ioutil.Discard, "", 0),1175 }1176 go func() { _ = srv.Serve(listener) }()1177 t.Run("Unauthenticated", func(t *testing.T) {1178 t.Parallel()1179 r1, err := getSimpleRunner(t, "/​script.js", fmt.Sprintf(`1180 var http = require("k6/​http");;1181 exports.default = function() { http.get("https:/​/​%s")}1182 `, listener.Addr().String()))1183 require.NoError(t, err)1184 require.NoError(t, r1.SetOptions(lib.Options{1185 Throw: null.BoolFrom(true),1186 InsecureSkipTLSVerify: null.BoolFrom(true),1187 }))1188 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})1189 require.NoError(t, err)1190 runners := map[string]*Runner{"Source": r1, "Archive": r2}1191 for name, r := range runners {1192 r := r1193 t.Run(name, func(t *testing.T) {1194 t.Parallel()1195 r.Logger, _ = logtest.NewNullLogger()1196 initVU, err := r.NewVU(1, 1, make(chan stats.SampleContainer, 100))1197 if assert.NoError(t, err) {1198 ctx, cancel := context.WithCancel(context.Background())1199 defer cancel()1200 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})1201 err := vu.RunOnce()1202 require.Error(t, err)1203 assert.Contains(t, err.Error(), "remote error: tls: bad certificate")1204 }1205 })1206 }1207 })1208 t.Run("Authenticated", func(t *testing.T) {1209 t.Parallel()1210 r1, err := getSimpleRunner(t, "/​script.js", fmt.Sprintf(`1211 var http = require("k6/​http");;1212 exports.default = function() { http.get("https:/​/​%s")}1213 `, listener.Addr().String()))1214 require.NoError(t, err)1215 require.NoError(t, r1.SetOptions(lib.Options{1216 Throw: null.BoolFrom(true),1217 InsecureSkipTLSVerify: null.BoolFrom(true),1218 }))1219 require.NoError(t, r1.SetOptions(lib.Options{1220 TLSAuth: []*lib.TLSAuth{1221 {1222 TLSAuthFields: lib.TLSAuthFields{1223 Domains: []string{"127.0.0.1"},1224 Cert: "-----BEGIN CERTIFICATE-----\n" +1225 "MIIBoTCCAUigAwIBAgIUd6XedDxP+rGo+kq0APqHElGZzs4wCgYIKoZIzj0EAwIw\n" +1226 "EDEOMAwGA1UEAxMFTXkgQ0EwHhcNMTcwODE3MTUwNjAwWhcNMTgwODE3MTUwNjAw\n" +1227 "WjARMQ8wDQYDVQQDEwZjbGllbnQwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAATL\n" +1228 "mi/​a1RVvk05FyrYmartbo/​9cW+53DrQLW1twurII2q5ZfimdMX05A32uB3Ycoy/​J\n" +1229 "x+w7Ifyd/​YRw0zEc3NHQo38wfTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYI\n" +1230 "KwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/​wQCMAAwHQYDVR0OBBYEFN2SR/​TD\n" +1231 "yNW5DQWxZSkoXHQWsLY+MB8GA1UdIwQYMBaAFN6hIXKUYKbKqPVfixZ7PWvqGSGM\n" +1232 "MAoGCCqGSM49BAMCA0cAMEQCICtETmyOmupmg4w3tw59VYJyOBqRTxg6SK+rOQmq\n" +1233 "kE1VAiAUvsflDfmWBZ8EMPu46OhX6RX6MbvJ9NNvRco2G5ek1w==\n" +1234 "-----END CERTIFICATE-----",1235 Key: "-----BEGIN EC PRIVATE KEY-----\n" +1236 "MHcCAQEEIOrnhT05alCeQEX66HgnSHah/​m5LazjJHLDawYRnhUtZoAoGCCqGSM49\n" +1237 "AwEHoUQDQgAEy5ov2tUVb5NORcq2Jmq7W6P/​XFvudw60C1tbcLqyCNquWX4pnTF9\n" +1238 "OQN9rgd2HKMvycfsOyH8nf2EcNMxHNzR0A==\n" +1239 "-----END EC PRIVATE KEY-----",1240 },1241 },1242 },1243 }))1244 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})1245 require.NoError(t, err)1246 runners := map[string]*Runner{"Source": r1, "Archive": r2}1247 for name, r := range runners {1248 r := r1249 t.Run(name, func(t *testing.T) {1250 initVU, err := r.NewVU(1, 1, make(chan stats.SampleContainer, 100))1251 if assert.NoError(t, err) {1252 ctx, cancel := context.WithCancel(context.Background())1253 defer cancel()1254 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})1255 err := vu.RunOnce()1256 assert.NoError(t, err)1257 }1258 })1259 }1260 })1261}1262func TestHTTPRequestInInitContext(t *testing.T) {1263 t.Parallel()1264 tb := httpmultibin.NewHTTPMultiBin(t)1265 _, err := getSimpleRunner(t, "/​script.js", tb.Replacer.Replace(`1266 var k6 = require("k6");1267 var check = k6.check;1268 var fail = k6.fail;1269 var http = require("k6/​http");;1270 var res = http.get("HTTPBIN_URL/​");1271 exports.default = function() {1272 console.log(test);1273 }1274 `))1275 if assert.Error(t, err) {1276 assert.Contains(1277 t,1278 err.Error(),1279 k6http.ErrHTTPForbiddenInInitContext.Error())1280 }1281}1282func TestInitContextForbidden(t *testing.T) {1283 t.Parallel()1284 table := [...][3]string{1285 {1286 "http.request",1287 `var http = require("k6/​http");;1288 var res = http.get("HTTPBIN_URL");1289 exports.default = function() { console.log("p"); }`,1290 k6http.ErrHTTPForbiddenInInitContext.Error(),1291 },1292 {1293 "http.batch",1294 `var http = require("k6/​http");;1295 var res = http.batch("HTTPBIN_URL/​something", "HTTPBIN_URL/​else");1296 exports.default = function() { console.log("p"); }`,1297 k6http.ErrBatchForbiddenInInitContext.Error(),1298 },1299 {1300 "http.cookieJar",1301 `var http = require("k6/​http");;1302 var jar = http.cookieJar();1303 exports.default = function() { console.log("p"); }`,1304 k6http.ErrJarForbiddenInInitContext.Error(),1305 },1306 {1307 "check",1308 `var check = require("k6").check;1309 check("test", {'is test': function(test) { return test == "test"}})1310 exports.default = function() { console.log("p"); }`,1311 k6.ErrCheckInInitContext.Error(),1312 },1313 {1314 "group",1315 `var group = require("k6").group;1316 group("group1", function () { console.log("group1");})1317 exports.default = function() { console.log("p"); }`,1318 k6.ErrGroupInInitContext.Error(),1319 },1320 {1321 "ws",1322 `var ws = require("k6/​ws");1323 var url = "ws:/​/​echo.websocket.org";1324 var params = { "tags": { "my_tag": "hello" } };1325 var response = ws.connect(url, params, function (socket) {1326 socket.on('open', function open() {1327 console.log('connected');1328 })1329 });1330 exports.default = function() { console.log("p"); }`,1331 ws.ErrWSInInitContext.Error(),1332 },1333 {1334 "metric",1335 `var Counter = require("k6/​metrics").Counter;1336 var counter = Counter("myCounter");1337 counter.add(1);1338 exports.default = function() { console.log("p"); }`,1339 k6metrics.ErrMetricsAddInInitContext.Error(),1340 },1341 }1342 tb := httpmultibin.NewHTTPMultiBin(t)1343 for _, test := range table {1344 test := test1345 t.Run(test[0], func(t *testing.T) {1346 t.Parallel()1347 _, err := getSimpleRunner(t, "/​script.js", tb.Replacer.Replace(test[1]))1348 if assert.Error(t, err) {1349 assert.Contains(1350 t,1351 err.Error(),1352 test[2])1353 }1354 })1355 }1356}1357func TestArchiveRunningIntegrity(t *testing.T) {1358 t.Parallel()1359 fs := afero.NewMemMapFs()1360 data := `1361 var fput = open("/​home/​somebody/​test.json");1362 exports.options = { setupTimeout: "10s", teardownTimeout: "10s" };1363 exports.setup = function () {1364 return JSON.parse(fput);1365 }1366 exports.default = function(data) {1367 if (data != 42) {1368 throw new Error("incorrect answer " + data);1369 }1370 }1371 `1372 require.NoError(t, afero.WriteFile(fs, "/​home/​somebody/​test.json", []byte(`42`), os.ModePerm))1373 require.NoError(t, afero.WriteFile(fs, "/​script.js", []byte(data), os.ModePerm))1374 r1, err := getSimpleRunner(t, "/​script.js", data, fs)1375 require.NoError(t, err)1376 buf := bytes.NewBuffer(nil)1377 require.NoError(t, r1.MakeArchive().Write(buf))1378 arc, err := lib.ReadArchive(buf)1379 require.NoError(t, err)1380 r2, err := NewFromArchive(testutils.NewLogger(t), arc, lib.RuntimeOptions{})1381 require.NoError(t, err)1382 runners := map[string]*Runner{"Source": r1, "Archive": r2}1383 for name, r := range runners {1384 r := r1385 t.Run(name, func(t *testing.T) {1386 t.Parallel()1387 var err error1388 ch := make(chan stats.SampleContainer, 100)1389 err = r.Setup(context.Background(), ch)1390 require.NoError(t, err)1391 initVU, err := r.NewVU(1, 1, ch)1392 require.NoError(t, err)1393 ctx, cancel := context.WithCancel(context.Background())1394 defer cancel()1395 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})1396 err = vu.RunOnce()1397 require.NoError(t, err)1398 })1399 }1400}1401func TestArchiveNotPanicking(t *testing.T) {1402 t.Parallel()1403 fs := afero.NewMemMapFs()1404 require.NoError(t, afero.WriteFile(fs, "/​non/​existent", []byte(`42`), os.ModePerm))1405 r1, err := getSimpleRunner(t, "/​script.js", `1406 var fput = open("/​non/​existent");1407 exports.default = function(data) {}1408 `, fs)1409 require.NoError(t, err)1410 arc := r1.MakeArchive()1411 arc.Filesystems = map[string]afero.Fs{"file": afero.NewMemMapFs()}1412 r2, err := NewFromArchive(testutils.NewLogger(t), arc, lib.RuntimeOptions{})1413 /​/​ we do want this to error here as this is where we find out that a given file is not in the1414 /​/​ archive1415 require.Error(t, err)1416 require.Nil(t, r2)1417}1418func TestStuffNotPanicking(t *testing.T) {1419 t.Parallel()1420 tb := httpmultibin.NewHTTPMultiBin(t)1421 r, err := getSimpleRunner(t, "/​script.js", tb.Replacer.Replace(`1422 var http = require("k6/​http");1423 var ws = require("k6/​ws");1424 var group = require("k6").group;1425 var parseHTML = require("k6/​html").parseHTML;1426 exports.options = { iterations: 1, vus: 1 };1427 exports.default = function() {1428 var doc = parseHTML(http.get("HTTPBIN_URL/​html").body);1429 var testCases = [1430 function() { return group()},1431 function() { return group("test")},1432 function() { return group("test", "wat")},1433 function() { return doc.find('p').each()},1434 function() { return doc.find('p').each("wat")},1435 function() { return doc.find('p').map()},1436 function() { return doc.find('p').map("wat")},1437 function() { return ws.connect("WSBIN_URL/​ws-echo")},1438 ];1439 testCases.forEach(function(fn, idx) {1440 var hasException;1441 try {1442 fn();1443 hasException = false;1444 } catch (e) {1445 hasException = true;1446 }1447 if (hasException === false) {1448 throw new Error("Expected test case #" + idx + " to return an error");1449 } else if (hasException === undefined) {1450 throw new Error("Something strange happened with test case #" + idx);1451 }1452 });1453 }1454 `))1455 require.NoError(t, err)1456 ch := make(chan stats.SampleContainer, 1000)1457 initVU, err := r.NewVU(1, 1, ch)1458 require.NoError(t, err)1459 ctx, cancel := context.WithCancel(context.Background())1460 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})1461 errC := make(chan error)1462 go func() { errC <- vu.RunOnce() }()1463 select {1464 case <-time.After(15 * time.Second):1465 cancel()1466 t.Fatal("Test timed out")1467 case err := <-errC:1468 cancel()1469 require.NoError(t, err)1470 }1471}1472func TestPanicOnSimpleHTML(t *testing.T) {1473 t.Parallel()1474 r, err := getSimpleRunner(t, "/​script.js", `1475 var parseHTML = require("k6/​html").parseHTML;1476 exports.options = { iterations: 1, vus: 1 };1477 exports.default = function() {1478 var doc = parseHTML("<html>");1479 var o = doc.find(".something").slice(0, 4).toArray()1480 };1481 `)1482 require.NoError(t, err)1483 ch := make(chan stats.SampleContainer, 1000)1484 initVU, err := r.NewVU(1, 1, ch)1485 require.NoError(t, err)1486 ctx, cancel := context.WithCancel(context.Background())1487 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})1488 errC := make(chan error)1489 go func() { errC <- vu.RunOnce() }()1490 select {1491 case <-time.After(15 * time.Second):1492 cancel()1493 t.Fatal("Test timed out")1494 case err := <-errC:1495 cancel()1496 require.NoError(t, err)1497 }1498}1499func TestSystemTags(t *testing.T) {1500 t.Parallel()1501 tb := httpmultibin.NewHTTPMultiBin(t)1502 /​/​ Handle paths with custom logic1503 tb.Mux.HandleFunc("/​wrong-redirect", func(w http.ResponseWriter, r *http.Request) {1504 w.Header().Add("Location", "%")1505 w.WriteHeader(http.StatusTemporaryRedirect)1506 })1507 httpURL, err := url.Parse(tb.ServerHTTP.URL)1508 require.NoError(t, err)1509 testedSystemTags := []struct{ tag, exec, expVal string }{1510 {"proto", "http_get", "HTTP/​1.1"},1511 {"status", "http_get", "200"},1512 {"method", "http_get", "GET"},1513 {"url", "http_get", tb.ServerHTTP.URL},1514 {"url", "https_get", tb.ServerHTTPS.URL},1515 {"ip", "http_get", httpURL.Hostname()},1516 {"name", "http_get", tb.ServerHTTP.URL},1517 {"group", "http_get", ""},1518 {"vu", "http_get", "8"},1519 {"vu", "noop", "9"},1520 {"iter", "http_get", "0"},1521 {"iter", "noop", "0"},1522 {"tls_version", "https_get", "tls1.3"},1523 {"ocsp_status", "https_get", "unknown"},1524 {"error", "bad_url_get", `dial: connection refused`},1525 {"error_code", "bad_url_get", "1212"},1526 {"scenario", "http_get", "default"},1527 /​/​ TODO: add more tests1528 }1529 for num, tc := range testedSystemTags {1530 num, tc := num, tc1531 t.Run(fmt.Sprintf("TC %d with only %s", num, tc.tag), func(t *testing.T) {1532 t.Parallel()1533 samples := make(chan stats.SampleContainer, 100)1534 r, err := getSimpleRunner(t, "/​script.js", tb.Replacer.Replace(`1535 var http = require("k6/​http");1536 exports.http_get = function() {1537 http.get("HTTPBIN_IP_URL");1538 };1539 exports.https_get = function() {1540 http.get("HTTPSBIN_IP_URL");1541 };1542 exports.bad_url_get = function() {1543 http.get("http:/​/​127.0.0.1:1");1544 };1545 exports.noop = function() {};1546 `), lib.RuntimeOptions{CompatibilityMode: null.StringFrom("base")})1547 require.NoError(t, err)1548 require.NoError(t, r.SetOptions(r.GetOptions().Apply(lib.Options{1549 Throw: null.BoolFrom(false),1550 TLSVersion: &lib.TLSVersions{Max: tls.VersionTLS13},1551 SystemTags: stats.ToSystemTagSet([]string{tc.tag}),1552 InsecureSkipTLSVerify: null.BoolFrom(true),1553 })))1554 vu, err := r.NewVU(uint64(num), 0, samples)1555 require.NoError(t, err)1556 activeVU := vu.Activate(&lib.VUActivationParams{1557 RunContext: context.Background(),1558 Exec: tc.exec,1559 Scenario: "default",1560 })1561 require.NoError(t, activeVU.RunOnce())1562 bufSamples := stats.GetBufferedSamples(samples)1563 require.NotEmpty(t, bufSamples)1564 for _, sample := range bufSamples[0].GetSamples() {1565 assert.NotEmpty(t, sample.Tags)1566 for emittedTag, emittedVal := range sample.Tags.CloneTags() {1567 assert.Equal(t, tc.tag, emittedTag)1568 assert.Equal(t, tc.expVal, emittedVal)1569 }1570 }1571 })1572 }1573}1574func TestVUPanic(t *testing.T) {1575 t.Parallel()1576 r1, err := getSimpleRunner(t, "/​script.js", `1577 var group = require("k6").group;1578 exports.default = function() {1579 group("panic here", function() {1580 if (__ITER == 0) {1581 panic("here we panic");1582 }1583 console.log("here we don't");1584 })1585 }`,1586 )1587 require.NoError(t, err)1588 r2, err := NewFromArchive(testutils.NewLogger(t), r1.MakeArchive(), lib.RuntimeOptions{})1589 require.NoError(t, err)1590 runners := map[string]*Runner{"Source": r1, "Archive": r2}1591 for name, r := range runners {1592 r := r1593 t.Run(name, func(t *testing.T) {1594 t.Parallel()1595 initVU, err := r.NewVU(1, 1234, make(chan stats.SampleContainer, 100))1596 require.NoError(t, err)1597 logger := logrus.New()1598 logger.SetLevel(logrus.InfoLevel)1599 logger.Out = ioutil.Discard1600 hook := testutils.SimpleLogrusHook{1601 HookedLevels: []logrus.Level{logrus.InfoLevel, logrus.ErrorLevel, logrus.FatalLevel, logrus.PanicLevel},1602 }1603 logger.AddHook(&hook)1604 ctx, cancel := context.WithCancel(context.Background())1605 defer cancel()1606 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})1607 vu.(*ActiveVU).Runtime.Set("panic", func(str string) { panic(str) })1608 vu.(*ActiveVU).state.Logger = logger1609 vu.(*ActiveVU).Console.logger = logger.WithField("source", "console")1610 err = vu.RunOnce()1611 require.Error(t, err)1612 assert.Contains(t, err.Error(), "a panic occurred in VU code but was caught: here we panic")1613 entries := hook.Drain()1614 require.Len(t, entries, 1)1615 assert.Equal(t, logrus.ErrorLevel, entries[0].Level)1616 require.True(t, strings.HasPrefix(entries[0].Message, "panic: here we panic"))1617 /​/​ broken since goja@f3cfc97811c0b4d8337902c3e42fb2371ba1d524 see1618 /​/​ https:/​/​github.com/​dop251/​goja/​issues/​179#issuecomment-7835720201619 /​/​ require.True(t, strings.HasSuffix(entries[0].Message, "Goja stack:\nfile:/​/​/​script.js:3:4(12)"))1620 err = vu.RunOnce()1621 assert.NoError(t, err)1622 entries = hook.Drain()1623 require.Len(t, entries, 1)1624 assert.Equal(t, logrus.InfoLevel, entries[0].Level)1625 require.Contains(t, entries[0].Message, "here we don't")1626 })1627 }1628}1629type multiFileTestCase struct {1630 fses map[string]afero.Fs1631 rtOpts lib.RuntimeOptions1632 cwd string1633 script string1634 expInitErr bool1635 expVUErr bool1636 samples chan stats.SampleContainer1637}1638func runMultiFileTestCase(t *testing.T, tc multiFileTestCase, tb *httpmultibin.HTTPMultiBin) {1639 t.Helper()1640 logger := testutils.NewLogger(t)1641 runner, err := New(1642 logger,1643 &loader.SourceData{1644 URL: &url.URL{Path: tc.cwd + "/​script.js", Scheme: "file"},1645 Data: []byte(tc.script),1646 },1647 tc.fses,1648 tc.rtOpts,1649 )1650 if tc.expInitErr {1651 require.Error(t, err)1652 return1653 }1654 require.NoError(t, err)1655 options := runner.GetOptions()1656 require.Empty(t, options.Validate())1657 vu, err := runner.NewVU(1, 1, tc.samples)1658 require.NoError(t, err)1659 jsVU, ok := vu.(*VU)1660 require.True(t, ok)1661 jsVU.state.Dialer = tb.Dialer1662 jsVU.state.TLSConfig = tb.TLSClientConfig1663 ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)1664 defer cancel()1665 activeVU := vu.Activate(&lib.VUActivationParams{RunContext: ctx})1666 err = activeVU.RunOnce()1667 if tc.expVUErr {1668 require.Error(t, err)1669 } else {1670 require.NoError(t, err)1671 }1672 arc := runner.MakeArchive()1673 runnerFromArc, err := NewFromArchive(logger, arc, tc.rtOpts)1674 require.NoError(t, err)1675 vuFromArc, err := runnerFromArc.NewVU(2, 2, tc.samples)1676 require.NoError(t, err)1677 jsVUFromArc, ok := vuFromArc.(*VU)1678 require.True(t, ok)1679 jsVUFromArc.state.Dialer = tb.Dialer1680 jsVUFromArc.state.TLSConfig = tb.TLSClientConfig1681 activeVUFromArc := jsVUFromArc.Activate(&lib.VUActivationParams{RunContext: ctx})1682 err = activeVUFromArc.RunOnce()1683 if tc.expVUErr {1684 require.Error(t, err)1685 return1686 }1687 require.NoError(t, err)1688}1689func TestComplicatedFileImportsForGRPC(t *testing.T) {1690 t.Parallel()1691 tb := httpmultibin.NewHTTPMultiBin(t)1692 tb.GRPCStub.UnaryCallFunc = func(ctx context.Context, sreq *grpc_testing.SimpleRequest) (1693 *grpc_testing.SimpleResponse, error,1694 ) {1695 return &grpc_testing.SimpleResponse{1696 Username: "foo",1697 }, nil1698 }1699 fs := afero.NewMemMapFs()1700 protoFile, err := ioutil.ReadFile("../​vendor/​google.golang.org/​grpc/​test/​grpc_testing/​test.proto")1701 require.NoError(t, err)1702 require.NoError(t, afero.WriteFile(fs, "/​path/​to/​service.proto", protoFile, 0644))1703 require.NoError(t, afero.WriteFile(fs, "/​path/​to/​same-dir.proto", []byte(1704 `syntax = "proto3";package whatever;import "service.proto";`,1705 ), 0644))1706 require.NoError(t, afero.WriteFile(fs, "/​path/​subdir.proto", []byte(1707 `syntax = "proto3";package whatever;import "to/​service.proto";`,1708 ), 0644))1709 require.NoError(t, afero.WriteFile(fs, "/​path/​to/​abs.proto", []byte(1710 `syntax = "proto3";package whatever;import "/​path/​to/​service.proto";`,1711 ), 0644))1712 grpcTestCase := func(expInitErr, expVUErr bool, cwd, loadCode string) multiFileTestCase {1713 script := tb.Replacer.Replace(fmt.Sprintf(`1714 var grpc = require('k6/​net/​grpc');1715 var client = new grpc.Client();1716 %s /​/​ load statements1717 exports.default = function() {1718 client.connect('GRPCBIN_ADDR', {timeout: '3s'});1719 var resp = client.invoke('grpc.testing.TestService/​UnaryCall', {})1720 if (!resp.message || resp.error || resp.message.username !== 'foo') {1721 throw new Error('unexpected response message: ' + JSON.stringify(resp.message))1722 }1723 }1724 `, loadCode))1725 return multiFileTestCase{1726 fses: map[string]afero.Fs{"file": fs, "https": afero.NewMemMapFs()},1727 rtOpts: lib.RuntimeOptions{CompatibilityMode: null.NewString("base", true)},1728 samples: make(chan stats.SampleContainer, 100),1729 cwd: cwd, expInitErr: expInitErr, expVUErr: expVUErr, script: script,1730 }1731 }1732 testCases := []multiFileTestCase{1733 grpcTestCase(false, true, "/​", `/​* no grpc loads */​`), /​/​ exp VU error with no proto files loaded1734 /​/​ Init errors when the protobuf file can't be loaded1735 grpcTestCase(true, false, "/​", `client.load(null, 'service.proto');`),1736 grpcTestCase(true, false, "/​", `client.load(null, '/​wrong/​path/​to/​service.proto');`),1737 grpcTestCase(true, false, "/​", `client.load(['/​', '/​path/​'], 'service.proto');`),1738 /​/​ Direct imports of service.proto1739 grpcTestCase(false, false, "/​", `client.load(null, '/​path/​to/​service.proto');`), /​/​ full path should be fine1740 grpcTestCase(false, false, "/​path/​to/​", `client.load([], 'service.proto');`), /​/​ file name from same folder1741 grpcTestCase(false, false, "/​", `client.load(['./​path/​/​to/​'], 'service.proto');`),1742 grpcTestCase(false, false, "/​path/​", `client.load(['./​to/​'], 'service.proto');`),1743 grpcTestCase(false, false, "/​whatever", `client.load(['/​path/​to/​'], 'service.proto');`), /​/​ with import paths1744 grpcTestCase(false, false, "/​path", `client.load(['/​', '/​path/​to/​'], 'service.proto');`), /​/​ with import paths1745 grpcTestCase(false, false, "/​whatever", `client.load(['../​path/​to/​'], 'service.proto');`),1746 /​/​ Import another file that imports "service.proto" directly1747 grpcTestCase(true, false, "/​", `client.load([], '/​path/​to/​same-dir.proto');`),1748 grpcTestCase(true, false, "/​path/​", `client.load([], 'to/​same-dir.proto');`),1749 grpcTestCase(true, false, "/​", `client.load(['/​path/​'], 'to/​same-dir.proto');`),1750 grpcTestCase(false, false, "/​path/​to/​", `client.load([], 'same-dir.proto');`),1751 grpcTestCase(false, false, "/​", `client.load(['/​path/​to/​'], 'same-dir.proto');`),1752 grpcTestCase(false, false, "/​whatever", `client.load(['/​other', '/​path/​to/​'], 'same-dir.proto');`),1753 grpcTestCase(false, false, "/​", `client.load(['./​path/​/​to/​'], 'same-dir.proto');`),1754 grpcTestCase(false, false, "/​path/​", `client.load(['./​to/​'], 'same-dir.proto');`),1755 grpcTestCase(false, false, "/​whatever", `client.load(['../​path/​to/​'], 'same-dir.proto');`),1756 /​/​ Import another file that imports "to/​service.proto" directly1757 grpcTestCase(true, false, "/​", `client.load([], '/​path/​to/​subdir.proto');`),1758 grpcTestCase(false, false, "/​path/​", `client.load([], 'subdir.proto');`),1759 grpcTestCase(false, false, "/​", `client.load(['/​path/​'], 'subdir.proto');`),1760 grpcTestCase(false, false, "/​", `client.load(['./​path/​'], 'subdir.proto');`),1761 grpcTestCase(false, false, "/​whatever", `client.load(['/​other', '/​path/​'], 'subdir.proto');`),1762 grpcTestCase(false, false, "/​whatever", `client.load(['../​other', '../​path/​'], 'subdir.proto');`),1763 /​/​ Import another file that imports "/​path/​to/​service.proto" directly1764 grpcTestCase(true, false, "/​", `client.load(['/​path'], '/​path/​to/​abs.proto');`),1765 grpcTestCase(false, false, "/​", `client.load([], '/​path/​to/​abs.proto');`),1766 grpcTestCase(false, false, "/​whatever", `client.load(['/​'], '/​path/​to/​abs.proto');`),1767 }1768 for i, tc := range testCases {1769 i, tc := i, tc1770 t.Run(fmt.Sprintf("TestCase_%d", i), func(t *testing.T) {1771 t.Parallel()1772 t.Logf(1773 "CWD: %s, expInitErr: %t, expVUErr: %t, script injected with: `%s`",1774 tc.cwd, tc.expInitErr, tc.expVUErr, tc.script,1775 )1776 runMultiFileTestCase(t, tc, tb)1777 })1778 }1779}1780func TestMinIterationDurationIsCancellable(t *testing.T) {1781 t.Parallel()1782 r, err := getSimpleRunner(t, "/​script.js", `1783 exports.options = { iterations: 1, vus: 1, minIterationDuration: '1m' };1784 exports.default = function() { /​* do nothing */​ };1785 `)1786 require.NoError(t, err)1787 ch := make(chan stats.SampleContainer, 1000)1788 initVU, err := r.NewVU(1, 1, ch)1789 require.NoError(t, err)1790 ctx, cancel := context.WithCancel(context.Background())1791 vu := initVU.Activate(&lib.VUActivationParams{RunContext: ctx})1792 errC := make(chan error)1793 go func() { errC <- vu.RunOnce() }()1794 time.Sleep(200 * time.Millisecond) /​/​ give it some time to actually start1795 cancel() /​/​ simulate the end of gracefulStop or a Ctrl+C event1796 select {1797 case <-time.After(3 * time.Second):1798 t.Fatal("Test timed out or minIterationDuration prevailed")1799 case err := <-errC:1800 require.NoError(t, err)1801 }1802}...

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initcontext_test.go

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1/​*2 *3 * k6 - a next-generation load testing tool4 * Copyright (C) 2016 Load Impact5 *6 * This program is free software: you can redistribute it and/​or modify7 * it under the terms of the GNU Affero General Public License as8 * published by the Free Software Foundation, either version 3 of the9 * License, or (at your option) any later version.10 *11 * This program is distributed in the hope that it will be useful,12 * but WITHOUT ANY WARRANTY; without even the implied warranty of13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the14 * GNU Affero General Public License for more details.15 *16 * You should have received a copy of the GNU Affero General Public License17 * along with this program. If not, see <http:/​/​www.gnu.org/​licenses/​>.18 *19 */​20package js21import (22 "context"23 "fmt"24 "io/​ioutil"25 "net"26 "net/​http"27 "net/​http/​httptest"28 "path/​filepath"29 "testing"30 "time"31 "github.com/​dop251/​goja"32 "github.com/​oxtoacart/​bpool"33 "github.com/​sirupsen/​logrus"34 "github.com/​spf13/​afero"35 "github.com/​stretchr/​testify/​assert"36 "github.com/​stretchr/​testify/​require"37 "go.k6.io/​k6/​js/​common"38 "go.k6.io/​k6/​lib"39 "go.k6.io/​k6/​lib/​consts"40 "go.k6.io/​k6/​lib/​netext"41 "go.k6.io/​k6/​lib/​testutils"42 "go.k6.io/​k6/​lib/​types"43 "go.k6.io/​k6/​stats"44)45func TestInitContextRequire(t *testing.T) {46 t.Parallel()47 t.Run("Modules", func(t *testing.T) {48 t.Run("Nonexistent", func(t *testing.T) {49 t.Parallel()50 _, err := getSimpleBundle(t, "/​script.js", `import "k6/​NONEXISTENT";`)51 assert.Contains(t, err.Error(), "unknown module: k6/​NONEXISTENT")52 })53 t.Run("k6", func(t *testing.T) {54 t.Parallel()55 logger := testutils.NewLogger(t)56 b, err := getSimpleBundle(t, "/​script.js", `57 import k6 from "k6";58 export let _k6 = k6;59 export let dummy = "abc123";60 export default function() {}61 `)62 if !assert.NoError(t, err, "bundle error") {63 return64 }65 bi, err := b.Instantiate(logger, 0)66 if !assert.NoError(t, err, "instance error") {67 return68 }69 exports := bi.Runtime.Get("exports").ToObject(bi.Runtime)70 if assert.NotNil(t, exports) {71 _, defaultOk := goja.AssertFunction(exports.Get("default"))72 assert.True(t, defaultOk, "default export is not a function")73 assert.Equal(t, "abc123", exports.Get("dummy").String())74 }75 k6 := bi.Runtime.Get("_k6").ToObject(bi.Runtime)76 if assert.NotNil(t, k6) {77 _, groupOk := goja.AssertFunction(k6.Get("group"))78 assert.True(t, groupOk, "k6.group is not a function")79 }80 })81 t.Run("group", func(t *testing.T) {82 logger := testutils.NewLogger(t)83 t.Parallel()84 b, err := getSimpleBundle(t, "/​script.js", `85 import { group } from "k6";86 export let _group = group;87 export let dummy = "abc123";88 export default function() {}89 `)90 require.NoError(t, err)91 bi, err := b.Instantiate(logger, 0)92 require.NoError(t, err)93 exports := bi.Runtime.Get("exports").ToObject(bi.Runtime)94 if assert.NotNil(t, exports) {95 _, defaultOk := goja.AssertFunction(exports.Get("default"))96 assert.True(t, defaultOk, "default export is not a function")97 assert.Equal(t, "abc123", exports.Get("dummy").String())98 }99 _, groupOk := goja.AssertFunction(exports.Get("_group"))100 assert.True(t, groupOk, "{ group } is not a function")101 })102 })103 t.Run("Files", func(t *testing.T) {104 t.Parallel()105 t.Run("Nonexistent", func(t *testing.T) {106 t.Parallel()107 path := filepath.FromSlash("/​nonexistent.js")108 _, err := getSimpleBundle(t, "/​script.js", `import "/​nonexistent.js"; export default function() {}`)109 assert.NotNil(t, err)110 assert.Contains(t, err.Error(), fmt.Sprintf(`"%s" couldn't be found on local disk`, filepath.ToSlash(path)))111 })112 t.Run("Invalid", func(t *testing.T) {113 t.Parallel()114 fs := afero.NewMemMapFs()115 assert.NoError(t, afero.WriteFile(fs, "/​file.js", []byte{0x00}, 0o755))116 _, err := getSimpleBundle(t, "/​script.js", `import "/​file.js"; export default function() {}`, fs)117 require.Error(t, err)118 assert.Contains(t, err.Error(), "SyntaxError: file:/​/​/​file.js: Unexpected character '\x00' (1:0)\n> 1 | \x00\n")119 })120 t.Run("Error", func(t *testing.T) {121 t.Parallel()122 fs := afero.NewMemMapFs()123 assert.NoError(t, afero.WriteFile(fs, "/​file.js", []byte(`throw new Error("aaaa")`), 0o755))124 _, err := getSimpleBundle(t, "/​script.js", `import "/​file.js"; export default function() {}`, fs)125 assert.EqualError(t, err, "Error: aaaa\n\tat file:/​/​/​file.js:2:7(4)\n\tat reflect.methodValueCall (native)\n\tat file:/​/​/​script.js:1:117(14)\n")126 })127 imports := map[string]struct {128 LibPath string129 ConstPaths map[string]string130 }{131 "./​lib.js": {"/​path/​to/​lib.js", map[string]string{132 "": "",133 "./​const.js": "/​path/​to/​const.js",134 "../​const.js": "/​path/​const.js",135 "./​sub/​const.js": "/​path/​to/​sub/​const.js",136 }},137 "../​lib.js": {"/​path/​lib.js", map[string]string{138 "": "",139 "./​const.js": "/​path/​const.js",140 "../​const.js": "/​const.js",141 "./​sub/​const.js": "/​path/​sub/​const.js",142 }},143 "./​dir/​lib.js": {"/​path/​to/​dir/​lib.js", map[string]string{144 "": "",145 "./​const.js": "/​path/​to/​dir/​const.js",146 "../​const.js": "/​path/​to/​const.js",147 "./​sub/​const.js": "/​path/​to/​dir/​sub/​const.js",148 }},149 "/​path/​to/​lib.js": {"/​path/​to/​lib.js", map[string]string{150 "": "",151 "./​const.js": "/​path/​to/​const.js",152 "../​const.js": "/​path/​const.js",153 "./​sub/​const.js": "/​path/​to/​sub/​const.js",154 }},155 }156 for libName, data := range imports {157 libName, data := libName, data158 t.Run("lib=\""+libName+"\"", func(t *testing.T) {159 t.Parallel()160 for constName, constPath := range data.ConstPaths {161 constName, constPath := constName, constPath162 name := "inline"163 if constName != "" {164 name = "const=\"" + constName + "\""165 }166 t.Run(name, func(t *testing.T) {167 t.Parallel()168 fs := afero.NewMemMapFs()169 logger := testutils.NewLogger(t)170 jsLib := `export default function() { return 12345; }`171 if constName != "" {172 jsLib = fmt.Sprintf(173 `import { c } from "%s"; export default function() { return c; }`,174 constName,175 )176 constsrc := `export let c = 12345;`177 assert.NoError(t, fs.MkdirAll(filepath.Dir(constPath), 0o755))178 assert.NoError(t, afero.WriteFile(fs, constPath, []byte(constsrc), 0o644))179 }180 assert.NoError(t, fs.MkdirAll(filepath.Dir(data.LibPath), 0o755))181 assert.NoError(t, afero.WriteFile(fs, data.LibPath, []byte(jsLib), 0o644))182 data := fmt.Sprintf(`183 import fn from "%s";184 let v = fn();185 export default function() {};`,186 libName)187 b, err := getSimpleBundle(t, "/​path/​to/​script.js", data, fs)188 require.NoError(t, err)189 if constPath != "" {190 assert.Contains(t, b.BaseInitContext.programs, "file:/​/​"+constPath)191 }192 _, err = b.Instantiate(logger, 0)193 require.NoError(t, err)194 })195 }196 })197 }198 t.Run("Isolation", func(t *testing.T) {199 t.Parallel()200 logger := testutils.NewLogger(t)201 fs := afero.NewMemMapFs()202 assert.NoError(t, afero.WriteFile(fs, "/​a.js", []byte(`const myvar = "a";`), 0o644))203 assert.NoError(t, afero.WriteFile(fs, "/​b.js", []byte(`const myvar = "b";`), 0o644))204 data := `205 import "./​a.js";206 import "./​b.js";207 export default function() {208 if (typeof myvar != "undefined") {209 throw new Error("myvar is set in global scope");210 }211 };`212 b, err := getSimpleBundle(t, "/​script.js", data, fs)213 require.NoError(t, err)214 bi, err := b.Instantiate(logger, 0)215 require.NoError(t, err)216 _, err = bi.exports[consts.DefaultFn](goja.Undefined())217 assert.NoError(t, err)218 })219 })220}221func createAndReadFile(t *testing.T, file string, content []byte, expectedLength int, binary string) (*BundleInstance, error) {222 t.Helper()223 fs := afero.NewMemMapFs()224 assert.NoError(t, fs.MkdirAll("/​path/​to", 0o755))225 assert.NoError(t, afero.WriteFile(fs, "/​path/​to/​"+file, content, 0o644))226 data := fmt.Sprintf(`227 let binArg = "%s";228 export let data = open("/​path/​to/​%s", binArg);229 var expectedLength = %d;230 var len = binArg === "b" ? "byteLength" : "length";231 if (data[len] != expectedLength) {232 throw new Error("Length not equal, expected: " + expectedLength + ", actual: " + data[len]);233 }234 export default function() {}235 `, binary, file, expectedLength)236 b, err := getSimpleBundle(t, "/​path/​to/​script.js", data, fs)237 if !assert.NoError(t, err) {238 return nil, err239 }240 bi, err := b.Instantiate(testutils.NewLogger(t), 0)241 if !assert.NoError(t, err) {242 return nil, err243 }244 return bi, nil245}246func TestInitContextOpen(t *testing.T) {247 t.Parallel()248 testCases := []struct {249 content []byte250 file string251 length int252 }{253 {[]byte("hello world!"), "ascii", 12},254 {[]byte("?((¯°·._.• ţ€$ţɨɲǥ µɲɨȼ๏ď€ΣSЫ ɨɲ Ќ6 •._.·°¯))؟•"), "utf", 47},255 {[]byte{0o44, 226, 130, 172}, "utf-8", 2}, /​/​ $€256 /​/​{[]byte{00, 36, 32, 127}, "utf-16", 2}, /​/​ $€257 }258 for _, tc := range testCases {259 tc := tc260 t.Run(tc.file, func(t *testing.T) {261 t.Parallel()262 bi, err := createAndReadFile(t, tc.file, tc.content, tc.length, "")263 require.NoError(t, err)264 assert.Equal(t, string(tc.content), bi.Runtime.Get("data").Export())265 })266 }267 t.Run("Binary", func(t *testing.T) {268 t.Parallel()269 bi, err := createAndReadFile(t, "/​path/​to/​file.bin", []byte("hi!\x0f\xff\x01"), 6, "b")270 require.NoError(t, err)271 buf := bi.Runtime.NewArrayBuffer([]byte{104, 105, 33, 15, 255, 1})272 assert.Equal(t, buf, bi.Runtime.Get("data").Export())273 })274 testdata := map[string]string{275 "Absolute": "/​path/​to/​file",276 "Relative": "./​file",277 }278 for name, loadPath := range testdata {279 loadPath := loadPath280 t.Run(name, func(t *testing.T) {281 t.Parallel()282 _, err := createAndReadFile(t, loadPath, []byte("content"), 7, "")283 require.NoError(t, err)284 })285 }286 t.Run("Nonexistent", func(t *testing.T) {287 t.Parallel()288 path := filepath.FromSlash("/​nonexistent.txt")289 _, err := getSimpleBundle(t, "/​script.js", `open("/​nonexistent.txt"); export default function() {}`)290 assert.Contains(t, err.Error(), fmt.Sprintf("open %s: file does not exist", path))291 })292 t.Run("Directory", func(t *testing.T) {293 t.Parallel()294 path := filepath.FromSlash("/​some/​dir")295 fs := afero.NewMemMapFs()296 assert.NoError(t, fs.MkdirAll(path, 0o755))297 _, err := getSimpleBundle(t, "/​script.js", `open("/​some/​dir"); export default function() {}`, fs)298 assert.Contains(t, err.Error(), fmt.Sprintf("open() can't be used with directories, path: %q", path))299 })300}301func TestRequestWithBinaryFile(t *testing.T) {302 t.Parallel()303 ch := make(chan bool, 1)304 h := func(w http.ResponseWriter, r *http.Request) {305 defer func() {306 ch <- true307 }()308 assert.NoError(t, r.ParseMultipartForm(32<<20))309 file, _, err := r.FormFile("file")310 assert.NoError(t, err)311 defer func() {312 assert.NoError(t, file.Close())313 }()314 bytes := make([]byte, 3)315 _, err = file.Read(bytes)316 assert.NoError(t, err)317 assert.Equal(t, []byte("hi!"), bytes)318 assert.Equal(t, "this is a standard form field", r.FormValue("field"))319 }320 srv := httptest.NewServer(http.HandlerFunc(h))321 defer srv.Close()322 fs := afero.NewMemMapFs()323 assert.NoError(t, fs.MkdirAll("/​path/​to", 0o755))324 assert.NoError(t, afero.WriteFile(fs, "/​path/​to/​file.bin", []byte("hi!"), 0o644))325 b, err := getSimpleBundle(t, "/​path/​to/​script.js",326 fmt.Sprintf(`327 import http from "k6/​http";328 let binFile = open("/​path/​to/​file.bin", "b");329 export default function() {330 var data = {331 field: "this is a standard form field",332 file: http.file(binFile, "test.bin")333 };334 var res = http.post("%s", data);335 return true;336 }337 `, srv.URL), fs)338 require.NoError(t, err)339 bi, err := b.Instantiate(testutils.NewLogger(t), 0)340 assert.NoError(t, err)341 root, err := lib.NewGroup("", nil)342 assert.NoError(t, err)343 logger := logrus.New()344 logger.Level = logrus.DebugLevel345 logger.Out = ioutil.Discard346 state := &lib.State{347 Options: lib.Options{},348 Logger: logger,349 Group: root,350 Transport: &http.Transport{351 DialContext: (netext.NewDialer(352 net.Dialer{353 Timeout: 10 * time.Second,354 KeepAlive: 60 * time.Second,355 DualStack: true,356 },357 netext.NewResolver(net.LookupIP, 0, types.DNSfirst, types.DNSpreferIPv4),358 )).DialContext,359 },360 BPool: bpool.NewBufferPool(1),361 Samples: make(chan stats.SampleContainer, 500),362 }363 ctx := context.Background()364 ctx = lib.WithState(ctx, state)365 ctx = common.WithRuntime(ctx, bi.Runtime)366 *bi.Context = ctx367 v, err := bi.exports[consts.DefaultFn](goja.Undefined())368 assert.NoError(t, err)369 require.NotNil(t, v)370 assert.Equal(t, true, v.Export())371 <-ch372}373func TestRequestWithMultipleBinaryFiles(t *testing.T) {374 t.Parallel()375 ch := make(chan bool, 1)376 h := func(w http.ResponseWriter, r *http.Request) {377 defer func() {378 ch <- true379 }()380 require.NoError(t, r.ParseMultipartForm(32<<20))381 require.Len(t, r.MultipartForm.File["files"], 2)382 for i, fh := range r.MultipartForm.File["files"] {383 f, _ := fh.Open()384 defer func() { assert.NoError(t, f.Close()) }()385 bytes := make([]byte, 5)386 _, err := f.Read(bytes)387 assert.NoError(t, err)388 switch i {389 case 0:390 assert.Equal(t, []byte("file1"), bytes)391 case 1:392 assert.Equal(t, []byte("file2"), bytes)393 }394 }395 }396 srv := httptest.NewServer(http.HandlerFunc(h))397 defer srv.Close()398 fs := afero.NewMemMapFs()399 assert.NoError(t, fs.MkdirAll("/​path/​to", 0o755))400 assert.NoError(t, afero.WriteFile(fs, "/​path/​to/​file1.bin", []byte("file1"), 0o644))401 assert.NoError(t, afero.WriteFile(fs, "/​path/​to/​file2.bin", []byte("file2"), 0o644))402 b, err := getSimpleBundle(t, "/​path/​to/​script.js",403 fmt.Sprintf(`404 import http from 'k6/​http';405 function toByteArray(obj) {406 let arr = [];407 if (typeof obj === 'string') {408 for (let i=0; i < obj.length; i++) {409 arr.push(obj.charCodeAt(i) & 0xff);410 }411 } else {412 obj = new Uint8Array(obj);413 for (let i=0; i < obj.byteLength; i++) {414 arr.push(obj[i] & 0xff);415 }416 }417 return arr;418 }419 /​/​ A more robust version of this polyfill is available here:420 /​/​ https:/​/​jslib.k6.io/​formdata/​0.0.1/​index.js421 function FormData() {422 this.boundary = '----boundary';423 this.files = [];424 }425 FormData.prototype.append = function(name, value, filename) {426 this.files.push({427 name: name,428 value: value,429 filename: filename,430 });431 }432 FormData.prototype.body = function(name, value, filename) {433 let body = [];434 let barr = toByteArray('--' + this.boundary + '\r\n');435 for (let i=0; i < this.files.length; i++) {436 body.push(...barr);437 let cdarr = toByteArray('Content-Disposition: form-data; name="'438 + this.files[i].name + '"; filename="'439 + this.files[i].filename440 + '"\r\nContent-Type: application/​octet-stream\r\n\r\n');441 body.push(...cdarr);442 body.push(...toByteArray(this.files[i].value));443 body.push(...toByteArray('\r\n'));444 }445 body.push(...toByteArray('--' + this.boundary + '--\r\n'));446 return new Uint8Array(body).buffer;447 }448 const file1 = open('/​path/​to/​file1.bin', 'b');449 const file2 = open('/​path/​to/​file2.bin', 'b');450 export default function () {451 const fd = new FormData();452 fd.append('files', file1, 'file1.bin');453 fd.append('files', file2, 'file2.bin');454 let res = http.post('%s', fd.body(),455 { headers: { 'Content-Type': 'multipart/​form-data; boundary=' + fd.boundary }});456 if (res.status !== 200) {457 throw new Error('Expected HTTP 200 response, received: ' + res.status);458 }459 return true;460 }461 `, srv.URL), fs)462 require.NoError(t, err)463 bi, err := b.Instantiate(testutils.NewLogger(t), 0)464 assert.NoError(t, err)465 root, err := lib.NewGroup("", nil)466 assert.NoError(t, err)467 logger := logrus.New()468 logger.Level = logrus.DebugLevel469 logger.Out = ioutil.Discard470 state := &lib.State{471 Options: lib.Options{},472 Logger: logger,473 Group: root,474 Transport: &http.Transport{475 DialContext: (netext.NewDialer(476 net.Dialer{477 Timeout: 10 * time.Second,478 KeepAlive: 60 * time.Second,479 DualStack: true,480 },481 netext.NewResolver(net.LookupIP, 0, types.DNSfirst, types.DNSpreferIPv4),482 )).DialContext,483 },484 BPool: bpool.NewBufferPool(1),485 Samples: make(chan stats.SampleContainer, 500),486 }487 ctx := context.Background()488 ctx = lib.WithState(ctx, state)489 ctx = common.WithRuntime(ctx, bi.Runtime)490 *bi.Context = ctx491 v, err := bi.exports[consts.DefaultFn](goja.Undefined())492 assert.NoError(t, err)493 require.NotNil(t, v)494 assert.Equal(t, true, v.Export())495 <-ch496}497func TestInitContextVU(t *testing.T) {498 t.Parallel()499 b, err := getSimpleBundle(t, "/​script.js", `500 let vu = __VU;501 export default function() { return vu; }502 `)503 require.NoError(t, err)504 bi, err := b.Instantiate(testutils.NewLogger(t), 5)505 require.NoError(t, err)506 v, err := bi.exports[consts.DefaultFn](goja.Undefined())507 require.NoError(t, err)508 assert.Equal(t, int64(5), v.Export())509}...

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initcontext.go

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1/​*2 *3 * k6 - a next-generation load testing tool4 * Copyright (C) 2016 Load Impact5 *6 * This program is free software: you can redistribute it and/​or modify7 * it under the terms of the GNU Affero General Public License as8 * published by the Free Software Foundation, either version 3 of the9 * License, or (at your option) any later version.10 *11 * This program is distributed in the hope that it will be useful,12 * but WITHOUT ANY WARRANTY; without even the implied warranty of13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the14 * GNU Affero General Public License for more details.15 *16 * You should have received a copy of the GNU Affero General Public License17 * along with this program. If not, see <http:/​/​www.gnu.org/​licenses/​>.18 *19 */​20package js21import (22 "context"23 "errors"24 "fmt"25 "net/​url"26 "path/​filepath"27 "runtime"28 "strings"29 "github.com/​dop251/​goja"30 "github.com/​sirupsen/​logrus"31 "github.com/​spf13/​afero"32 "go.k6.io/​k6/​js/​common"33 "go.k6.io/​k6/​js/​compiler"34 "go.k6.io/​k6/​js/​modules"35 "go.k6.io/​k6/​lib"36 "go.k6.io/​k6/​loader"37)38type programWithSource struct {39 pgm *goja.Program40 src string41 module *goja.Object42}43const openCantBeUsedOutsideInitContextMsg = `The "open()" function is only available in the init stage ` +44 `(i.e. the global scope), see https:/​/​k6.io/​docs/​using-k6/​test-life-cycle for more information`45/​/​ InitContext provides APIs for use in the init context.46/​/​47/​/​ TODO: refactor most/​all of this state away, use common.InitEnvironment instead48type InitContext struct {49 /​/​ Bound runtime; used to instantiate objects.50 runtime *goja.Runtime51 compiler *compiler.Compiler52 /​/​ Pointer to a context that bridged modules are invoked with.53 ctxPtr *context.Context54 /​/​ Filesystem to load files and scripts from with the map key being the scheme55 filesystems map[string]afero.Fs56 pwd *url.URL57 /​/​ Cache of loaded programs and files.58 programs map[string]programWithSource59 compatibilityMode lib.CompatibilityMode60 logger logrus.FieldLogger61 modules map[string]interface{}62}63/​/​ NewInitContext creates a new initcontext with the provided arguments64func NewInitContext(65 logger logrus.FieldLogger, rt *goja.Runtime, c *compiler.Compiler, compatMode lib.CompatibilityMode,66 ctxPtr *context.Context, filesystems map[string]afero.Fs, pwd *url.URL,67) *InitContext {68 return &InitContext{69 runtime: rt,70 compiler: c,71 ctxPtr: ctxPtr,72 filesystems: filesystems,73 pwd: pwd,74 programs: make(map[string]programWithSource),75 compatibilityMode: compatMode,76 logger: logger,77 modules: modules.GetJSModules(),78 }79}80func newBoundInitContext(base *InitContext, ctxPtr *context.Context, rt *goja.Runtime) *InitContext {81 /​/​ we don't copy the exports as otherwise they will be shared and we don't want this.82 /​/​ this means that all the files will be executed again but once again only once per compilation83 /​/​ of the main file.84 programs := make(map[string]programWithSource, len(base.programs))85 for key, program := range base.programs {86 programs[key] = programWithSource{87 src: program.src,88 pgm: program.pgm,89 }90 }91 return &InitContext{92 runtime: rt,93 ctxPtr: ctxPtr,94 filesystems: base.filesystems,95 pwd: base.pwd,96 compiler: base.compiler,97 programs: programs,98 compatibilityMode: base.compatibilityMode,99 logger: base.logger,100 modules: base.modules,101 }102}103/​/​ Require is called when a module/​file needs to be loaded by a script104func (i *InitContext) Require(arg string) goja.Value {105 switch {106 case arg == "k6", strings.HasPrefix(arg, "k6/​"):107 /​/​ Builtin or external modules ("k6", "k6/​*", or "k6/​x/​*") are handled108 /​/​ specially, as they don't exist on the filesystem. This intentionally109 /​/​ shadows attempts to name your own modules this.110 v, err := i.requireModule(arg)111 if err != nil {112 common.Throw(i.runtime, err)113 }114 return v115 default:116 /​/​ Fall back to loading from the filesystem.117 v, err := i.requireFile(arg)118 if err != nil {119 common.Throw(i.runtime, err)120 }121 return v122 }123}124func (i *InitContext) requireModule(name string) (goja.Value, error) {125 mod, ok := i.modules[name]126 if !ok {127 return nil, fmt.Errorf("unknown module: %s", name)128 }129 if perInstance, ok := mod.(modules.HasModuleInstancePerVU); ok {130 mod = perInstance.NewModuleInstancePerVU()131 }132 return i.runtime.ToValue(common.Bind(i.runtime, mod, i.ctxPtr)), nil133}134func (i *InitContext) requireFile(name string) (goja.Value, error) {135 /​/​ Resolve the file path, push the target directory as pwd to make relative imports work.136 pwd := i.pwd137 fileURL, err := loader.Resolve(pwd, name)138 if err != nil {139 return nil, err140 }141 /​/​ First, check if we have a cached program already.142 pgm, ok := i.programs[fileURL.String()]143 if !ok || pgm.module == nil {144 if filepath.IsAbs(name) && runtime.GOOS == "windows" {145 i.logger.Warnf("'%s' was imported with an absolute path - this won't be cross-platform and won't work if"+146 " you move the script between machines or run it with `k6 cloud`; if absolute paths are required,"+147 " import them with the `file:/​/​` schema for slightly better compatibility",148 name)149 }150 i.pwd = loader.Dir(fileURL)151 defer func() { i.pwd = pwd }()152 exports := i.runtime.NewObject()153 pgm.module = i.runtime.NewObject()154 _ = pgm.module.Set("exports", exports)155 if pgm.pgm == nil {156 /​/​ Load the sources; the loader takes care of remote loading, etc.157 data, err := loader.Load(i.logger, i.filesystems, fileURL, name)158 if err != nil {159 return goja.Undefined(), err160 }161 pgm.src = string(data.Data)162 /​/​ Compile the sources; this handles ES5 vs ES6 automatically.163 pgm.pgm, err = i.compileImport(pgm.src, data.URL.String())164 if err != nil {165 return goja.Undefined(), err166 }167 }168 i.programs[fileURL.String()] = pgm169 /​/​ Run the program.170 f, err := i.runtime.RunProgram(pgm.pgm)171 if err != nil {172 delete(i.programs, fileURL.String())173 return goja.Undefined(), err174 }175 if call, ok := goja.AssertFunction(f); ok {176 if _, err = call(exports, pgm.module, exports); err != nil {177 return nil, err178 }179 }180 }181 return pgm.module.Get("exports"), nil182}183func (i *InitContext) compileImport(src, filename string) (*goja.Program, error) {184 pgm, _, err := i.compiler.Compile(src, filename,185 "(function(module, exports){\n", "\n})\n", true, i.compatibilityMode)186 return pgm, err187}188/​/​ Open implements open() in the init context and will read and return the189/​/​ contents of a file. If the second argument is "b" it returns an ArrayBuffer190/​/​ instance, otherwise a string representation.191func (i *InitContext) Open(ctx context.Context, filename string, args ...string) (goja.Value, error) {192 if lib.GetState(ctx) != nil {193 return nil, errors.New(openCantBeUsedOutsideInitContextMsg)194 }195 if filename == "" {196 return nil, errors.New("open() can't be used with an empty filename")197 }198 /​/​ Here IsAbs should be enough but unfortunately it doesn't handle absolute paths starting from199 /​/​ the current drive on windows like `\users\noname\...`. Also it makes it more easy to test and200 /​/​ will probably be need for archive execution under windows if always consider '/​...' as an201 /​/​ absolute path.202 if filename[0] != '/​' && filename[0] != '\\' && !filepath.IsAbs(filename) {203 filename = filepath.Join(i.pwd.Path, filename)204 }205 filename = filepath.Clean(filename)206 fs := i.filesystems["file"]207 if filename[0:1] != afero.FilePathSeparator {208 filename = afero.FilePathSeparator + filename209 }210 /​/​ Workaround for https:/​/​github.com/​spf13/​afero/​issues/​201211 if isDir, err := afero.IsDir(fs, filename); err != nil {212 return nil, err213 } else if isDir {214 return nil, fmt.Errorf("open() can't be used with directories, path: %q", filename)215 }216 data, err := afero.ReadFile(fs, filename)217 if err != nil {218 return nil, err219 }220 if len(args) > 0 && args[0] == "b" {221 ab := i.runtime.NewArrayBuffer(data)222 return i.runtime.ToValue(&ab), nil223 }224 return i.runtime.ToValue(string(data)), nil225}...

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1var k6 = require("k6");2var check = k6.check;3var fail = k6.fail;4var group = k6.group;5var sleep = k6.sleep;6var http = k6.http;7module.exports.default = function () {8 var params = {9 headers: {10 },11 };12 var response = http.get(url, params);13 check(response, {14 "status is 200": (r) => r.status === 200,15 });16};17var k6 = require("k6");18var check = k6.check;19var fail = k6.fail;20var group = k6.group;21var sleep = k6.sleep;22var http = k6.http;23module.exports.default = function () {24 var params = {25 headers: {26 },27 };28 var response = http.get(url, params);29 check(response, {30 "status is 200": (r) => r.status === 200,31 });32};33var k6 = require("k6");34var check = k6.check;35var fail = k6.fail;36var group = k6.group;37var sleep = k6.sleep;38var http = k6.http;39module.exports.default = function () {40 var params = {41 headers: {42 },43 };44 var response = http.get(url, params);45 check(response, {46 "status is 200": (r) => r.status === 200,47 });48};49var k6 = require("k6");50var check = k6.check;51var fail = k6.fail;52var group = k6.group;53var sleep = k6.sleep;54var http = k6.http;55module.exports.default = function () {

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1import (2func init() {3 modules.Register("k6/​x/​foobar", new(Foobar))4}5type Foobar struct{}6func (*Foobar) Exports() interface{} {7 return map[string]interface{}{8 "foo": func(ctx context.Context) {9 },10 }11}12import (13func init() {14 modules.Register("k6/​x/​foobar", new(Foobar))15}16type Foobar struct{}17func (*Foobar) Exports() interface{} {18 return map[string]interface{}{19 "foo": func(ctx context.Context) {20 },21 }22}23import (24func init() {25 modules.Register("k6/​x/​foobar", new(Foobar))26}27type Foobar struct{}28func (*Foobar) Exports() interface{} {29 return map[string]interface{}{30 "foo": func(ctx context.Context) {31 },32 }33}34import (35func init() {36 modules.Register("k6/​x/​foobar", new(Foobar))37}38type Foobar struct{}39func (*Foobar) Exports() interface{} {40 return map[string]interface{}{41 "foo": func(ctx context.Context) {42 },43 }44}45$ docker run -v $(pwd):/​go/​src/​github.com/​loadimpact/​k6 -w /​go/​src/​github.com/​loadimpact/​k6 loadimpact/​k6 run /​go/​src/​github.com/​loadimpact/​k6/​examples/​foobar.js

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1func main() {2 k6 := k6.New()3 k6.Exports()4}5func main() {6 k6 := k6.New()7 k6.Exports()8}9func main() {10 k6 := k6.New()11 k6.Exports()12}13func main() {14 k6 := k6.New()15 k6.Exports()16}17func main() {18 k6 := k6.New()19 k6.Exports()20}21func main() {22 k6 := k6.New()23 k6.Exports()24}25func main() {26 k6 := k6.New()27 k6.Exports()28}29func main() {30 k6 := k6.New()31 k6.Exports()32}33func main() {34 k6 := k6.New()35 k6.Exports()36}37func main() {38 k6 := k6.New()39 k6.Exports()40}41func main() {42 k6 := k6.New()43 k6.Exports()44}45func main() {46 k6 := k6.New()47 k6.Exports()48}49func main() {50 k6 := k6.New()51 k6.Exports()52}53func main() {

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1func Exports() map[string]interface{} {2 return map[string]interface{}{3 }4}5func Exports() map[string]interface{} {6 return map[string]interface{}{7 }8}9func Exports() map[string]interface{} {10 return map[string]interface{}{11 }12}13func Exports() map[string]interface{} {14 return map[string]interface{}{15 }16}17func Exports() map[string]interface{} {18 return map[string]interface{}{19 }20}21func Exports() map[string]interface{} {22 return map[string]interface{}{23 }24}25func Exports() map[string]interface{} {26 return map[string]interface{}{27 }28}29func Exports() map[string]interface{} {30 return map[string]interface{}{31 }32}33func Exports() map[string]interface{} {34 return map[string]interface{}{35 }36}37func Exports() map[string]interface{} {38 return map[string]interface{}{39 }40}41func Exports() map[string]interface{} {42 return map[string]interface{}{43 }44}45func Exports() map[string]interface{} {46 return map[string]interface{}{47 }48}

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1import (2func main() {3 fmt.Println(k6.Exports)4}5import (6func main() {7 fmt.Println(k6.Exports)8}9import (10func main() {11 fmt.Println(k6.Exports)12}13import (14func main() {15 fmt.Println(k6.Exports)16}17import (18func main() {19 fmt.Println(k6.Exports)20}21import (22func main() {23 fmt.Println(k6.Exports)24}25import (26func main() {27 fmt.Println(k6.Exports)28}29import (30func main() {31 fmt.Println(k6.Exports)32}33import (34func main() {35 fmt.Println(k6.Exports)36}37import (

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1import (2var (3 Options = lib.Options{}4func init() {5 modules.Register("k6/​x/​collector", new(Collector))6}7type Collector struct{}8func (*Collector) Exports() interface{} {9 return map[string]interface{}{10 "new": func() interface{} {11 return &Collector{}12 },13 }14}15func (*Collector) Init() error {16 fmt.Println("Init")17}18func (*Collector) AddMetricSamples(samples []stats.SampleContainer) {19 fmt.Println("AddMetricSamples")20}21func (*Collector) Link(*lib.VU) error {22 fmt.Println("Link")23}24func (*Collector) Run(ctx context.Context) {25 fmt.Println("Run")26}27func (*Collector) GetOptions() interface{} {28}29func (*Collector) SetOptions(opts interface{}) {30 fmt.Println("SetOptions")31}32func (*Collector) MakeRequest

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1import k6 from 'k6';2export default function () {3 k6.Exports('test');4}5import k6 from 'k6';6export default function () {7 k6.Exports('test');8}9import k6 from 'k6';10export default function () {11 k6.Exports('test');12}13import k6 from 'k6';14export default function () {15 k6.Exports('test');16}17import k6 from 'k6';18export default function () {19 k6.Exports('test');20}21import k6 from 'k6';22export default function () {23 k6.Exports('test');24}25import k6 from 'k6';26export default function () {27 k6.Exports('test');28}29import k6 from 'k6';30export default function () {31 k6.Exports('test');32}33import k6 from 'k6';34export default function () {35 k6.Exports('test');36}37import k6 from 'k6';38export default function () {39 k6.Exports('test');40}41import k6 from 'k6';42export default function () {43 k6.Exports('test');44}45import k6 from 'k6';46export default function () {47 k6.Exports('test');48}49import k6 from 'k

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1func main() {2 js.Global().Call("k6").Call("Exports", map[string]interface{}{3 "setup": func() {4 fmt.Println("Setup")5 },6 "teardown": func() {7 fmt.Println("Teardown")8 },9 "default": func() {10 fmt.Println("Default")11 },12 })13}14export default function() {15 console.log("Default")16}17export function setup() {18 console.log("Setup")19}20export function teardown() {21 console.log("Teardown")22}23export default function() {24 console.log("Default")25}26export function setup() {27 console.log("Setup")28}29export function teardown() {30 console.log("Teardown")31}32export default function() {33 console.log("Default")34}35export function setup() {36 console.log("Setup")37}38export function teardown() {39 console.log("Teardown")40}41export default function() {42 console.log("Default")43}44export function setup() {45 console.log("Setup")46}47export function teardown() {48 console.log("Teardown")49}50export default function() {51 console.log("Default")52}53export function setup() {54 console.log("Setup")55}56export function teardown() {57 console.log("Teardown")58}59export default function() {60 console.log("Default")61}62export function setup() {63 console.log("Setup")64}65export function teardown() {66 console.log("Teardown")67}68export default function() {69 console.log("Default")70}71export function setup() {72 console.log("Setup")73}74export function teardown() {75 console.log("Teardown")76}77export default function() {78 console.log("Default")79}80export function setup() {81 console.log("Setup")82}83export function teardown() {84 console.log("Teardown")85}86export default function() {87 console.log("Default")88}89export function setup() {90 console.log("Setup")91}92export function teardown() {93 console.log("Teardown")94}95export default function() {96 console.log("Default")97}98export function setup() {

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