How to use newStoppedVUHandle method of executor Package

Best K6 code snippet using executor.newStoppedVUHandle

vu_handle_test.go

Source:vu_handle_test.go Github

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...54 atomic.AddInt64(&fullIterations, 1)55 return true56 }57 }58 vuHandle := newStoppedVUHandle(ctx, getVU, returnVU, &BaseConfig{}, logEntry)59 go vuHandle.runLoopsIfPossible(runIter)60 var wg sync.WaitGroup61 wg.Add(3)62 go func() {63 defer wg.Done()64 for i := 0; i < 10000; i++ {65 err := vuHandle.start()66 require.NoError(t, err)67 }68 }()69 go func() {70 defer wg.Done()71 for i := 0; i < 1000; i++ {72 vuHandle.gracefulStop()73 time.Sleep(1 * time.Nanosecond)74 }75 }()76 go func() {77 defer wg.Done()78 for i := 0; i < 100; i++ {79 vuHandle.hardStop()80 time.Sleep(10 * time.Nanosecond)81 }82 }()83 wg.Wait()84 vuHandle.hardStop() // STOP it85 time.Sleep(time.Millisecond * 50)86 interruptedBefore := atomic.LoadInt64(&interruptedIter)87 fullBefore := atomic.LoadInt64(&fullIterations)88 _ = vuHandle.start()89 time.Sleep(time.Millisecond * 50) // just to be sure an iteration will squeeze in90 cancel()91 time.Sleep(time.Millisecond * 50)92 interruptedAfter := atomic.LoadInt64(&interruptedIter)93 fullAfter := atomic.LoadInt64(&fullIterations)94 assert.True(t, interruptedBefore >= interruptedAfter-1,95 "too big of a difference %d >= %d - 1", interruptedBefore, interruptedAfter)96 assert.True(t, fullBefore+1 <= fullAfter,97 "too small of a difference %d + 1 <= %d", fullBefore, fullAfter)98 require.Equal(t, atomic.LoadInt64(&getVUCount), atomic.LoadInt64(&returnVUCount))99}100// this test is mostly interesting when -race is enabled101func TestVUHandleStartStopRace(t *testing.T) {102 t.Parallel()103 ctx, cancel := context.WithCancel(context.Background())104 defer cancel()105 logHook := &testutils.SimpleLogrusHook{HookedLevels: []logrus.Level{logrus.DebugLevel}}106 testLog := logrus.New()107 testLog.AddHook(logHook)108 testLog.SetOutput(testutils.NewTestOutput(t))109 // testLog.Level = logrus.DebugLevel110 logEntry := logrus.NewEntry(testLog)111 var vuID int64 = -1112 var testIterations = 10000113 returned := make(chan struct{})114 getVU := func() (lib.InitializedVU, error) {115 returned = make(chan struct{})116 return &minirunner.VU{117 ID: atomic.AddInt64(&vuID, 1),118 R: &minirunner.MiniRunner{119 Fn: func(ctx context.Context, out chan<- stats.SampleContainer) error {120 // TODO: do something121 return nil122 },123 },124 }, nil125 }126 returnVU := func(v lib.InitializedVU) {127 require.Equal(t, atomic.LoadInt64(&vuID), v.(*minirunner.VU).ID)128 close(returned)129 }130 var interruptedIter int64131 var fullIterations int64132 runIter := func(ctx context.Context, vu lib.ActiveVU) bool {133 _ = vu.RunOnce()134 select {135 case <-ctx.Done():136 // Don't log errors or emit iterations metrics from cancelled iterations137 atomic.AddInt64(&interruptedIter, 1)138 return false139 default:140 atomic.AddInt64(&fullIterations, 1)141 return true142 }143 }144 vuHandle := newStoppedVUHandle(ctx, getVU, returnVU, &BaseConfig{}, logEntry)145 go vuHandle.runLoopsIfPossible(runIter)146 for i := 0; i < testIterations; i++ {147 err := vuHandle.start()148 vuHandle.gracefulStop()149 require.NoError(t, err)150 select {151 case <-returned:152 case <-time.After(100 * time.Millisecond):153 go panic("returning took too long")154 time.Sleep(time.Second)155 }156 }157 vuHandle.hardStop() // STOP it158 time.Sleep(time.Millisecond * 5)159 interruptedBefore := atomic.LoadInt64(&interruptedIter)160 fullBefore := atomic.LoadInt64(&fullIterations)161 _ = vuHandle.start()162 time.Sleep(time.Millisecond * 50) // just to be sure an iteration will squeeze in163 cancel()164 time.Sleep(time.Millisecond * 5)165 interruptedAfter := atomic.LoadInt64(&interruptedIter)166 fullAfter := atomic.LoadInt64(&fullIterations)167 assert.True(t, interruptedBefore >= interruptedAfter-1,168 "too big of a difference %d >= %d - 1", interruptedBefore, interruptedAfter)169 assert.True(t, fullBefore+1 <= fullAfter,170 "too small of a difference %d + 1 <= %d", fullBefore, fullAfter)171}172func TestVUHandleSimple(t *testing.T) {173 t.Parallel()174 logHook := &testutils.SimpleLogrusHook{HookedLevels: []logrus.Level{logrus.DebugLevel}}175 testLog := logrus.New()176 testLog.AddHook(logHook)177 testLog.SetOutput(testutils.NewTestOutput(t))178 // testLog.Level = logrus.DebugLevel179 logEntry := logrus.NewEntry(testLog)180 var (181 getVUCount uint32182 returnVUCount uint32183 interruptedIter int64184 fullIterations int64185 )186 reset := func() {187 getVUCount = 0188 returnVUCount = 0189 interruptedIter = 0190 fullIterations = 0191 }192 getVU := func() (lib.InitializedVU, error) { //nolint:unparam193 atomic.AddUint32(&getVUCount, 1)194 return &minirunner.VU{195 R: &minirunner.MiniRunner{196 Fn: func(ctx context.Context, out chan<- stats.SampleContainer) error {197 // TODO: do something198 return nil199 },200 },201 }, nil202 }203 returnVU := func(_ lib.InitializedVU) {204 atomic.AddUint32(&returnVUCount, 1)205 }206 runIter := func(ctx context.Context, _ lib.ActiveVU) bool {207 select {208 case <-time.After(time.Second):209 case <-ctx.Done():210 }211 select {212 case <-ctx.Done():213 // Don't log errors or emit iterations metrics from cancelled iterations214 atomic.AddInt64(&interruptedIter, 1)215 return false216 default:217 atomic.AddInt64(&fullIterations, 1)218 return true219 }220 }221 t.Run("start before gracefulStop finishes", func(t *testing.T) {222 reset()223 ctx, cancel := context.WithCancel(context.Background())224 defer cancel()225 vuHandle := newStoppedVUHandle(ctx, getVU, returnVU, &BaseConfig{}, logEntry)226 var wg sync.WaitGroup227 wg.Add(1)228 go func() {229 defer wg.Done()230 vuHandle.runLoopsIfPossible(runIter)231 }()232 err := vuHandle.start()233 require.NoError(t, err)234 time.Sleep(time.Millisecond * 5)235 vuHandle.gracefulStop()236 time.Sleep(time.Millisecond * 5)237 err = vuHandle.start()238 require.NoError(t, err)239 time.Sleep(time.Millisecond * 1500)240 assert.EqualValues(t, 1, atomic.LoadUint32(&getVUCount))241 assert.EqualValues(t, 0, atomic.LoadUint32(&returnVUCount))242 assert.EqualValues(t, 0, atomic.LoadInt64(&interruptedIter))243 assert.EqualValues(t, 1, atomic.LoadInt64(&fullIterations))244 cancel()245 wg.Wait()246 time.Sleep(time.Millisecond * 5)247 assert.EqualValues(t, 1, atomic.LoadUint32(&getVUCount))248 assert.EqualValues(t, 1, atomic.LoadUint32(&returnVUCount))249 assert.EqualValues(t, 1, atomic.LoadInt64(&interruptedIter))250 assert.EqualValues(t, 1, atomic.LoadInt64(&fullIterations))251 })252 t.Run("start after gracefulStop finishes", func(t *testing.T) {253 reset()254 ctx, cancel := context.WithCancel(context.Background())255 defer cancel()256 vuHandle := newStoppedVUHandle(ctx, getVU, returnVU, &BaseConfig{}, logEntry)257 var wg sync.WaitGroup258 wg.Add(1)259 go func() {260 defer wg.Done()261 vuHandle.runLoopsIfPossible(runIter)262 }()263 err := vuHandle.start()264 require.NoError(t, err)265 time.Sleep(time.Millisecond * 50)266 vuHandle.gracefulStop()267 time.Sleep(time.Millisecond * 1500)268 assert.EqualValues(t, 1, atomic.LoadUint32(&getVUCount))269 assert.EqualValues(t, 1, atomic.LoadUint32(&returnVUCount))270 assert.EqualValues(t, 0, atomic.LoadInt64(&interruptedIter))271 assert.EqualValues(t, 1, atomic.LoadInt64(&fullIterations))272 err = vuHandle.start()273 require.NoError(t, err)274 time.Sleep(time.Millisecond * 1500)275 cancel()276 wg.Wait()277 time.Sleep(time.Millisecond * 50)278 assert.EqualValues(t, 2, atomic.LoadUint32(&getVUCount))279 assert.EqualValues(t, 2, atomic.LoadUint32(&returnVUCount))280 assert.EqualValues(t, 1, atomic.LoadInt64(&interruptedIter))281 assert.EqualValues(t, 2, atomic.LoadInt64(&fullIterations))282 })283 t.Run("start after hardStop", func(t *testing.T) {284 reset()285 ctx, cancel := context.WithCancel(context.Background())286 defer cancel()287 vuHandle := newStoppedVUHandle(ctx, getVU, returnVU, &BaseConfig{}, logEntry)288 var wg sync.WaitGroup289 wg.Add(1)290 go func() {291 defer wg.Done()292 vuHandle.runLoopsIfPossible(runIter)293 }()294 err := vuHandle.start()295 require.NoError(t, err)296 time.Sleep(time.Millisecond * 5)297 vuHandle.hardStop()298 time.Sleep(time.Millisecond * 15)299 assert.EqualValues(t, 1, atomic.LoadUint32(&getVUCount))300 assert.EqualValues(t, 1, atomic.LoadUint32(&returnVUCount))301 assert.EqualValues(t, 1, atomic.LoadInt64(&interruptedIter))302 assert.EqualValues(t, 0, atomic.LoadInt64(&fullIterations))303 err = vuHandle.start()304 require.NoError(t, err)305 time.Sleep(time.Millisecond * 1500)306 cancel()307 wg.Wait()308 time.Sleep(time.Millisecond * 5)309 assert.EqualValues(t, 2, atomic.LoadUint32(&getVUCount))310 assert.EqualValues(t, 2, atomic.LoadUint32(&returnVUCount))311 assert.EqualValues(t, 2, atomic.LoadInt64(&interruptedIter))312 assert.EqualValues(t, 1, atomic.LoadInt64(&fullIterations))313 })314}315func BenchmarkVUHandleIterations(b *testing.B) {316 logHook := &testutils.SimpleLogrusHook{HookedLevels: []logrus.Level{logrus.DebugLevel}}317 testLog := logrus.New()318 testLog.AddHook(logHook)319 // testLog.Level = logrus.DebugLevel320 logEntry := logrus.NewEntry(testLog)321 var (322 getVUCount uint32323 returnVUCount uint32324 interruptedIter int64325 fullIterations int64326 )327 reset := func() {328 getVUCount = 0329 returnVUCount = 0330 interruptedIter = 0331 fullIterations = 0332 }333 getVU := func() (lib.InitializedVU, error) {334 atomic.AddUint32(&getVUCount, 1)335 return &minirunner.VU{336 R: &minirunner.MiniRunner{337 Fn: func(ctx context.Context, out chan<- stats.SampleContainer) error {338 // TODO: do something339 return nil340 },341 },342 }, nil343 }344 returnVU := func(_ lib.InitializedVU) {345 atomic.AddUint32(&returnVUCount, 1)346 }347 runIter := func(ctx context.Context, _ lib.ActiveVU) bool {348 // Do nothing349 select {350 case <-ctx.Done():351 // Don't log errors or emit iterations metrics from cancelled iterations352 atomic.AddInt64(&interruptedIter, 1)353 return false354 default:355 atomic.AddInt64(&fullIterations, 1)356 return true357 }358 }359 reset()360 ctx, cancel := context.WithCancel(context.Background())361 defer cancel()362 vuHandle := newStoppedVUHandle(ctx, getVU, returnVU, &BaseConfig{}, logEntry)363 var wg sync.WaitGroup364 wg.Add(1)365 go func() {366 defer wg.Done()367 vuHandle.runLoopsIfPossible(runIter)368 }()369 start := time.Now()370 b.ResetTimer()371 err := vuHandle.start()372 require.NoError(b, err)373 time.Sleep(time.Second)374 cancel()375 wg.Wait()376 b.StopTimer()...

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newStoppedVUHandle

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1func (e *Executor) newStoppedVUHandle() (lib.VUHandle, error) {2 vu, err := e.newVU()3 if err != nil {4 }5 vuHandle, err := e.newVUHandle(vu)6 if err != nil {7 }8}9func (e *Executor) newVUHandle(vu lib.VU) (lib.VUHandle, error) {10 vuHandle := lib.NewVUHandle(vu)11 vuHandle.SetRunContext(e.getRunContext())12 vuHandle.SetLogger(e.Logger)13 vuHandle.SetOptions(e.Runner.GetOptions())14 vuHandle.SetInitEnv(e.Runner.GetEnv())15 vuHandle.SetSetupData(e.Runner.GetSetupData())16 vuHandle.SetTeardownData(e.Runner.GetTeardownData())17 vuHandle.SetIterationCounters(e.Runner.GetIterationCounters())18 vuHandle.SetIterationState(e.Runner.GetIterationState())19 vuHandle.SetTimeSinceStart(e.Runner.GetTimeSinceStart())20 vuHandle.SetTimeSinceLastIteration(e.Runner.GetTimeSinceLastIteration())21 vuHandle.SetTimeSinceLastSample(e.Runner.GetTimeSinceLastSample())22 vuHandle.SetTimeSinceLastVUActivation(e.Runner.GetTimeSinceLastVUActivation())23 vuHandle.SetTimeSinceLastVUIteration(e.Runner.GetTimeSinceLastVUIteration())24 vuHandle.SetTimeSinceLastVUDeactivation(e.Runner.GetTimeSinceLastVUDeactivation())25 vuHandle.SetTimeSinceLastVUBlock(e.Runner.GetTimeSinceLastVUBlock())26 vuHandle.SetTimeSinceLastVUUnblock(e.Runner.GetTimeSinceLastVUUnblock())27 vuHandle.SetTimeSinceLastVUInterrupt(e.Runner.GetTimeSinceLastVUInterrupt())28 vuHandle.SetTimeSinceLastVUThreshold(e.Runner.GetTimeSinceLastVUThreshold())29 vuHandle.SetTimeSinceLastVUThresholdCrossed(e.Runner.GetTimeSinceLastVUThresholdCrossed())30 vuHandle.SetTimeSinceLastVUThresholdUncrossed(e.Runner.GetTimeSinceLastVUThresholdUncrossed())

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newStoppedVUHandle

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1vu, err := e.newStoppedVUHandle(ctx, out)2if err != nil {3}4vu, err := e.newStoppedVUHandle(ctx, out)5if err != nil {6}7vu, err := e.newStoppedVUHandle(ctx, out)8if err != nil {9}10vu, err := e.newStoppedVUHandle(ctx, out)11if err != nil {12}13vu, err := e.newStoppedVUHandle(ctx, out)14if err != nil {15}16vu, err := e.newStoppedVUHandle(ctx, out)17if err != nil {18}19vu, err := e.newStoppedVUHandle(ctx, out)20if err != nil {21}22vu, err := e.newStoppedVUHandle(ctx, out)23if err != nil {24}25vu, err := e.newStoppedVUHandle(ctx, out)26if err != nil {27}28vu, err := e.newStoppedVUHandle(ctx, out)29if err != nil {30}

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newStoppedVUHandle

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1func (e *executor) newStoppedVUHandle(id int64) *vuHandle {2 return &vuHandle{3 vu: e.newVU(),4 }5}6func (e *executor) newVU() lib.InitializedVU {7 return e.vuSource.NewVU(e.logger)8}9func (vs *vuSource) NewVU(logger *logrus.Entry) lib.InitializedVU {10 state := vs.state.Clone()11 options := vs.options.Clone()12 vu, err := vs.vu.New(options)13 if err != nil {14 logger.WithError(err).Error("VU initialization failed")15 return &vuHandle{vu: &lib.UninitializedVU{}}16 }17 return &vuHandle{vu: vu, state: state}18}19func (vu VU) New(options lib.Options) (lib.InitializedVU, error) {20 return New(options)21}22func New(options lib.Options) (*VU, error) {23 rtOpts := goja.New().RuntimeOptions()

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newStoppedVUHandle

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1func (e *Executor) newStoppedVUHandle() *vuHandle {2 return &vuHandle{3 run: func(ctx context.Context, out chan<- stats.SampleContainer) error {4 },5 returnToPool: func() {},6 }7}8func (e *Executor) newStoppedVUHandle() *vuHandle {9 return &vuHandle{10 run: func(ctx context.Context, out chan<- stats.SampleContainer) error {11 },12 returnToPool: func() {},13 }14}15func (e *Executor) newStoppedVUHandle() *vuHandle {16 return &vuHandle{17 run: func(ctx context.Context, out chan<- stats.SampleContainer) error {18 },19 returnToPool: func() {},20 }21}22func (e *Executor) newStoppedVUHandle() *vuHandle {23 return &vuHandle{24 run: func(ctx context.Context, out chan<- stats.SampleContainer) error {25 },26 returnToPool: func() {},27 }28}29func (e *Executor) newStoppedVUHandle() *vuHandle {30 return &vuHandle{31 run: func(ctx context.Context, out chan<- stats.SampleContainer) error {32 },33 returnToPool: func() {},34 }35}36func (e *Executor) newStoppedVUHandle() *vuHandle {37 return &vuHandle{38 run: func(ctx context.Context, out chan<- stats.SampleContainer) error {39 },40 returnToPool: func() {},41 }42}43func (e *Executor) newStoppedVUHandle() *vuHandle {44 return &vuHandle{45 run: func(ctx context.Context, out chan<- stats.SampleContainer

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newStoppedVUHandle

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1func (e *Executor) newStoppedVUHandle() *vuHandle {2 return &vuHandle{3 vu: e.newVU(),4 }5}6func (e *Executor) newVUHandle() *vuHandle {7 return &vuHandle{8 vu: e.newVU(),9 }10}11func (e *Executor) newVUHandle() *vuHandle {12 return &vuHandle{13 vu: e.newVU(),14 }15}16func (e *Executor) newVUHandle() *vuHandle {17 return &vuHandle{18 vu: e.newVU(),19 }20}21func (e *Executor) newVUHandle() *vuHandle {22 return &vuHandle{23 vu: e.newVU(),

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newStoppedVUHandle

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1func (e *Executor) newStoppedVUHandle() *vuHandle {2 return &vuHandle{3 VU: e.newVU(),4 }5}6func (e *Executor) newActiveVUHandle() *vuHandle {7 return &vuHandle{8 VU: e.newVU(),9 }10}11func (e *Executor) newInitializedVUHandle() *vuHandle {12 return &vuHandle{13 VU: e.newVU(),14 }15}16func (e *Executor) newVUHandle() *vuHandle {17 return &vuHandle{18 VU: e.newVU(),19 }20}21func (e *Executor) newVU() lib.VU {22 return e.newVUWithInitContext(e.newInitContext())23}24func (e *Executor) newVUWithInitContext(initCtx context.Context) lib.VU {25 return e.newVUWithInitContextAndRuntime(initCtx, e.Runtime)26}27func (e *Executor) newVUWithInitContextAndRuntime(initCtx context.Context, rt *goja.Runtime) lib.VU {28 vu, err := e.newVU(initCtx, rt)29 if err != nil {30 panic(err)31 }32}33func (e *Executor) newVU(initCtx context.Context, rt *goja.Runtime) (lib.VU, error) {34 return e.newVUWithArgs(initCtx, rt, e.VUArgs)35}

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newStoppedVUHandle

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1func (e *executor) newStoppedVUHandle() *vuHandle {2 return &vuHandle{vu: e.newVU(), initVUFunc: e.initVUFunc, exec: e.exec}3}4func (e *executor) newStoppedVUHandle() *vuHandle {5 return &vuHandle{vu: e.newVU(), initVUFunc: e.initVUFunc, exec: e.exec}6}7func (e *executor) newStoppedVUHandle() *vuHandle {8 return &vuHandle{vu: e.newVU(), initVUFunc: e.initVUFunc, exec: e.exec}9}10func (e *executor) newStoppedVUHandle() *vuHandle {11 return &vuHandle{vu: e.newVU(), initVUFunc: e.initVUFunc, exec: e.exec}12}13func (e *executor) newStoppedVUHandle() *vuHandle {14 return &vuHandle{vu: e.newVU(), initVUFunc: e.initVUFunc, exec: e.exec}15}16func (e *executor) newStoppedVUHandle() *vuHandle {17 return &vuHandle{vu: e.newVU(), initVUFunc: e.initVUFunc, exec: e.exec}18}19func (e *executor) newStoppedVUHandle() *vuHandle {20 return &vuHandle{vu: e.newVU(), initVUFunc: e.initVUFunc, exec: e.exec}21}22func (e *executor) newStoppedVUHandle() *vuHandle {23 return &vuHandle{vu: e.newVU(),

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newStoppedVUHandle

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1func main() {2 executor := newExecutor()3 stoppedVUHandle := executor.newStoppedVUHandle()4 vu, err := executor.newVU(stoppedVUHandle)5 if err != nil {6 }7 fmt.Println(vu)8}

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newStoppedVUHandle

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1func main() {2 executor := lib.NewExecutor()3 newVU, err := executor.NewStoppedVUHandle(context.Background(), nil, nil)4 if err != nil {5 panic(err)6 }7 fmt.Println(newVU)8}9func main() {10 executor := lib.NewExecutor()11 newVU, err := executor.NewStoppedVUHandle(context.Background(), nil, nil)12 if err != nil {13 panic(err)14 }15 fmt.Println(newVU)16}17func main() {18 executor := lib.NewExecutor()19 newVU, err := executor.NewStoppedVUHandle(context.Background(), nil, nil)20 if err != nil {21 panic(err)22 }23 fmt.Println(newVU)24}25func main() {26 executor := lib.NewExecutor()27 newVU, err := executor.NewStoppedVUHandle(context.Background(), nil, nil)28 if err != nil {29 panic(err)30 }31 fmt.Println(newVU)32}33func main() {34 executor := lib.NewExecutor()35 newVU, err := executor.NewStoppedVUHandle(context.Background(), nil, nil)36 if err != nil {37 panic(err)38 }39 fmt.Println(newVU)40}41func main() {42 executor := lib.NewExecutor()43 newVU, err := executor.NewStoppedVUHandle(context.Background(), nil, nil)44 if err != nil {45 panic(err)46 }47 fmt.Println(newVU)48}49func main() {50 executor := lib.NewExecutor()

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newStoppedVUHandle

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1vuHandle, err := executor.newStoppedVUHandle(ctx, state.VU, state.Samples)2if err != nil {3}4vuHandle.run(ctx, logger, state.RunContext)5vus <- executor.getVU(vuHandle, state.VU)6runIterations <- executor.getRunIteration(vuHandle, state.RunContext)7vus <- executor.getVU(state.VUHandle, state.VU)8runIterations <- executor.getRunIteration(state.VUHandle, state.RunContext)9vus <- executor.getVU(state.VUHandle, state.VU)10runIterations <- executor.getRunIteration(state.VUHandle, state.RunContext)11vus <- executor.getVU(state.VUHandle, state.VU)12runIterations <- executor.getRunIteration(state.VUHandle, state.RunContext)13vus <- executor.getVU(state.VUHandle, state.VU)14runIterations <- executor.getRunIteration(state.VUHandle, state.RunContext)15vus <- executor.getVU(state.VUHandle, state.VU)16runIterations <- executor.getRunIteration(state.V

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