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How to use Runtime method of modulestest Package

Best K6 code snippet using modulestest.Runtime

eventloop_test.go

Source:eventloop_test.go

...9	"go.k6.io/k6/js/modulestest"10)11func TestBasicEventLoop(t *testing.T) {12	t.Parallel()13	loop := New(&modulestest.VU{RuntimeField: goja.New()})14	var ran int15	f := func() error { //nolint:unparam16		ran++17		return nil18	}19	require.NoError(t, loop.Start(f))20	require.Equal(t, 1, ran)21	require.NoError(t, loop.Start(f))22	require.Equal(t, 2, ran)23	require.Error(t, loop.Start(func() error {24		_ = f()25		loop.RegisterCallback()(f)26		return errors.New("something")27	}))28	require.Equal(t, 3, ran)29}30func TestEventLoopRegistered(t *testing.T) {31	t.Parallel()32	loop := New(&modulestest.VU{RuntimeField: goja.New()})33	var ran int34	f := func() error {35		ran++36		r := loop.RegisterCallback()37		go func() {38			time.Sleep(time.Second)39			r(func() error {40				ran++41				return nil42			})43		}()44		return nil45	}46	start := time.Now()47	require.NoError(t, loop.Start(f))48	took := time.Since(start)49	require.Equal(t, 2, ran)50	require.Less(t, time.Second, took)51	require.Greater(t, time.Second+time.Millisecond*100, took)52}53func TestEventLoopWaitOnRegistered(t *testing.T) {54	t.Parallel()55	var ran int56	loop := New(&modulestest.VU{RuntimeField: goja.New()})57	f := func() error {58		ran++59		r := loop.RegisterCallback()60		go func() {61			time.Sleep(time.Second)62			r(func() error {63				ran++64				return nil65			})66		}()67		return fmt.Errorf("expected")68	}69	start := time.Now()70	require.Error(t, loop.Start(f))71	took := time.Since(start)72	loop.WaitOnRegistered()73	took2 := time.Since(start)74	require.Equal(t, 1, ran)75	require.Greater(t, time.Millisecond*50, took)76	require.Less(t, time.Second, took2)77	require.Greater(t, time.Second+time.Millisecond*100, took2)78}79func TestEventLoopReuse(t *testing.T) {80	t.Parallel()81	sleepTime := time.Millisecond * 50082	loop := New(&modulestest.VU{RuntimeField: goja.New()})83	f := func() error {84		for i := 0; i < 100; i++ {85			bad := i == 1786			r := loop.RegisterCallback()87			go func() {88				if !bad {89					time.Sleep(sleepTime)90				}91				r(func() error {92					if bad {93						return errors.New("something")94					}95					panic("this should never execute")96				})...

queuer_test.go

Source:queuer_test.go

...13	// really basic test14	t.Parallel()15	rt := goja.New()16	vu := &modulestest.VU{17		RuntimeField: rt,18		InitEnvField: &common.InitEnvironment{},19		CtxField:     context.Background(),20		StateField:   nil,21	}22	loop := eventloop.New(vu)23	fq := New(loop.RegisterCallback)24	var i int25	require.NoError(t, rt.Set("a", func() {26		fq.Queue(func() error {27			fq.Queue(func() error {28				fq.Queue(func() error {29					i++30					fq.Close()31					return nil32				})33				i++34				return nil35			})36			i++37			return nil38		})39	}))40	err := loop.Start(func() error {41		_, err := vu.Runtime().RunString(`a()`)42		return err43	})44	require.NoError(t, err)45	require.Equal(t, i, 3)46}47func TestTwoTaskQueues(t *testing.T) {48	// try to find any kind of races through running multiple queues and having them race with each other49	t.Parallel()50	rt := goja.New()51	ctx, cancel := context.WithTimeout(context.Background(), time.Millisecond*100)52	t.Cleanup(cancel)53	vu := &modulestest.VU{54		RuntimeField: rt,55		CtxField:     ctx,56	}57	loop := eventloop.New(vu)58	fq := New(loop.RegisterCallback)59	fq2 := New(loop.RegisterCallback)60	var i int61	incrimentI := func() { i++ }62	var j int63	incrimentJ := func() { j++ }64	var k int65	incrimentK := func() { k++ }66	require.NoError(t, rt.Set("a", func() {67		for s := 0; s < 5; s++ { // make multiple goroutines68			go func() {69				for p := 0; p < 1000000; p++ {70					fq.Queue(func() error { // queue a task to increment integers71						incrimentI()72						incrimentJ()73						return nil74					})75					time.Sleep(time.Millisecond) // this is here mostly to not get a goroutine that just loops76					select {77					case <-ctx.Done():78						return79					default:80					}81				}82			}()83			go func() { // same as above but with the other queue84				for p := 0; p < 1000000; p++ {85					fq2.Queue(func() error {86						incrimentI()87						incrimentK()88						return nil89					})90					time.Sleep(time.Millisecond)91					select {92					case <-ctx.Done():93						return94					default:95					}96				}97			}()98		}99	}))100	go func() {101		<-ctx.Done()102		fq.Close()103		fq2.Close()104	}()105	err := loop.Start(func() error {106		_, err := vu.Runtime().RunString(`a()`)107		return err108	})109	require.NoError(t, err)110	loop.WaitOnRegistered()111	require.Equal(t, i, k+j)112	require.Greater(t, k, 100)113	require.Greater(t, j, 100)114}...

timers_test.go

Source:timers_test.go

...12func TestSetTimeout(t *testing.T) {13	t.Parallel()14	rt := goja.New()15	vu := &modulestest.VU{16		RuntimeField: rt,17		InitEnvField: &common.InitEnvironment{},18		CtxField:     context.Background(),19		StateField:   nil,20	}21	m, ok := New().NewModuleInstance(vu).(*Timers)22	require.True(t, ok)23	var log []string24	require.NoError(t, rt.Set("timers", m.Exports().Named))25	require.NoError(t, rt.Set("print", func(s string) { log = append(log, s) }))26	loop := eventloop.New(vu)27	vu.RegisterCallbackField = loop.RegisterCallback28	err := loop.Start(func() error {29		_, err := vu.Runtime().RunString(`30      timers.setTimeout(()=> {31        print("in setTimeout")32      })33      print("outside setTimeout")34      `)35		return err36	})37	require.NoError(t, err)38	require.Equal(t, []string{"outside setTimeout", "in setTimeout"}, log)39}40func TestSetInterval(t *testing.T) {41	t.Parallel()42	rt := goja.New()43	vu := &modulestest.VU{44		RuntimeField: rt,45		InitEnvField: &common.InitEnvironment{},46		CtxField:     context.Background(),47		StateField:   nil,48	}49	m, ok := New().NewModuleInstance(vu).(*Timers)50	require.True(t, ok)51	var log []string52	require.NoError(t, rt.Set("timers", m.Exports().Named))53	require.NoError(t, rt.Set("print", func(s string) { log = append(log, s) }))54	require.NoError(t, rt.Set("sleep10", func() { time.Sleep(10 * time.Millisecond) }))55	loop := eventloop.New(vu)56	vu.RegisterCallbackField = loop.RegisterCallback57	err := loop.Start(func() error {58		_, err := vu.Runtime().RunString(`59      var i = 0;60      let s = timers.setInterval(()=> {61        sleep10();62        if (i>1) {63          print("in setInterval");64          timers.clearInterval(s);65        }66        i++;67      }, 1);68      print("outside setInterval")69      `)70		return err71	})72	require.NoError(t, err)...

Runtime

Using AI Code Generation

1import (2func main() {3    conf := loader.Config{Build: &build.Default}4    conf.Import("github.com/akshaybabloo/Go-Code-Analysis-Using-SSA")5    lprog, err := conf.Load()6    if err != nil {7        panic(err)8    }9    prog := ssautil.CreateProgram(lprog, 0)10    prog.Build()11    for _, pkg := range prog.AllPackages() {12        fmt.Println("Package:", pkg.Pkg.Path())13        for _, mem := range pkg.Members {14            if fn, ok := mem.(*ssa.Function); ok {15                fmt.Println("Function:", fn.Name())16                for _, b := range fn.Blocks {17                    for _, instr := range b.Instrs {18                        if call, ok := instr.(*ssa.Call); ok {19                            callee := call.Call.StaticCallee()20                            if callee != nil {21                                fmt.Println(" ", call, "->", callee.Name())22                            }23                        }24                    }25                }26            }27        }28    }29}30  main.init() -> init31  main.main() -> main32  main.main() -> fmt.Println33  init.init() -> init34  init.init() -> runtime.registerModuledata35  init.init() -> runtime.morestack_noctxt36  init.init() -> runtime.moduledataverify137  init.init() -> runtime.moduledataverify238  init.init() -> runtime.moduledataverify339  init.init() -> runtime.moduledataverify440  init.init() -> runtime.moduledataverify541  init.init() -> runtime.moduledataverify642  init.init() -> runtime.moduledataverify743  init.init() -> runtime.moduledataverify844  init.init() -> runtime.moduledataver

Runtime

Using AI Code Generation

1import (2func main() {3	cwd, err := os.Getwd()4	if err != nil {5		log.Fatal(err)6	}7	moduleRoot := filepath.Join(cwd, "..")8	modulePath, err := modulestest.ModulePath(moduleRoot)9	if err != nil {10		log.Fatal(err)11	}12	moduleName := filepath.Base(modulePath)13	moduleVersion, err := modulestest.ModuleVersion(moduleRoot)14	if err != nil {15		log.Fatal(err)16	}17	moduleDeps, err := modulestest.ModuleDeps(moduleRoot)18	if err != nil {19		log.Fatal(err)20	}21	fmt.Printf("module path: %s22	fmt.Printf("module name: %s23	fmt.Printf("module version: %s24	fmt.Printf("module dependencies: %v25	pkgs, err := packages.Load(&packages.Config{26	}, modulePath+"/...")27	if err != nil {28		log.Fatal(err)29	}30	for _, pkg := range pkgs {31		fmt.Printf("package name: %s32		fmt.Printf("package files: %v33	}34}35import (36func main() {37	cwd, err := os.Getwd()38	if err != nil {39		log.Fatal(err)40	}41	moduleRoot := filepath.Join(cwd, "..")42	modulePath, err := modulePath(moduleRoot)43	if err != nil {44		log.Fatal(err)45	}

Runtime

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4    t := new(testing.T)5    m := testing.MainStart(testing.MainStartConfig{Tests: []testing.InternalTest{6        {7        },8    }}, []string{}, nil)9    m.Run(t)10    fmt.Println(t.Failed())11}12func TestOne(t *testing.T) {13    fmt.Println("TestOne")14    t.Fail()15}16Your name to display (optional):

Runtime

Using AI Code Generation

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

Runtime

Using AI Code Generation

1import (2func main() {3	mt := modulestest.Modulestest{}4	fmt.Println(mt.Runtime())5}6import (7func main() {8	mt := modulestest.Modulestest{}9	fmt.Println(mt.Runtime())10}11import (12type Modulestest struct {13}14func (mt Modulestest) Runtime() string {15	return fmt.Sprintf("%s %s/%s", build.Default.GOOS, build.Default.GOARCH, build.Default.GOOS)16}

Runtime

Using AI Code Generation

1import (2func main() {3	fmt.Println(modulestest.Runtime())4}5import (6func Runtime() string {7	return runtime.Version()8}

Runtime

Using AI Code Generation

1import (2func main() {3	r.Add(1, 2)4	fmt.Println("result:", r.Result)5}6type Runtime struct {7}8func (r *Runtime) Add(a, b int) {9}10import (11func main() {12	r.Add(1, 2)13	fmt.Println("result:", r.Result)14}

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