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K6
lib
NewExecutionSegmentSequenceFromString

How to use NewExecutionSegmentSequenceFromString method of lib Package

Best K6 code snippet using lib.NewExecutionSegmentSequenceFromString

constant_arrival_rate_test.go

Source:constant_arrival_rate_test.go

...42	}43	return r44}45func newExecutionSegmentSequenceFromString(str string) *lib.ExecutionSegmentSequence {46	r, err := lib.NewExecutionSegmentSequenceFromString(str)47	if err != nil {48		panic(err)49	}50	return &r51}52func getTestConstantArrivalRateConfig() *ConstantArrivalRateConfig {53	return &ConstantArrivalRateConfig{54		BaseConfig:      BaseConfig{GracefulStop: types.NullDurationFrom(1 * time.Second)},55		TimeUnit:        types.NullDurationFrom(time.Second),56		Rate:            null.IntFrom(50),57		Duration:        types.NullDurationFrom(5 * time.Second),58		PreAllocatedVUs: null.IntFrom(10),59		MaxVUs:          null.IntFrom(20),60	}61}62func TestConstantArrivalRateRunNotEnoughAllocatedVUsWarn(t *testing.T) {63	t.Parallel()64	et, err := lib.NewExecutionTuple(nil, nil)65	require.NoError(t, err)66	es := lib.NewExecutionState(lib.Options{}, et, 10, 50)67	ctx, cancel, executor, logHook := setupExecutor(68		t, getTestConstantArrivalRateConfig(), es,69		simpleRunner(func(ctx context.Context) error {70			time.Sleep(time.Second)71			return nil72		}),73	)74	defer cancel()75	engineOut := make(chan stats.SampleContainer, 1000)76	registry := metrics.NewRegistry()77	builtinMetrics := metrics.RegisterBuiltinMetrics(registry)78	err = executor.Run(ctx, engineOut, builtinMetrics)79	require.NoError(t, err)80	entries := logHook.Drain()81	require.NotEmpty(t, entries)82	for _, entry := range entries {83		require.Equal(t,84			"Insufficient VUs, reached 20 active VUs and cannot initialize more",85			entry.Message)86		require.Equal(t, logrus.WarnLevel, entry.Level)87	}88}89func TestConstantArrivalRateRunCorrectRate(t *testing.T) {90	t.Parallel()91	var count int6492	et, err := lib.NewExecutionTuple(nil, nil)93	require.NoError(t, err)94	es := lib.NewExecutionState(lib.Options{}, et, 10, 50)95	ctx, cancel, executor, logHook := setupExecutor(96		t, getTestConstantArrivalRateConfig(), es,97		simpleRunner(func(ctx context.Context) error {98			atomic.AddInt64(&count, 1)99			return nil100		}),101	)102	defer cancel()103	var wg sync.WaitGroup104	wg.Add(1)105	go func() {106		defer wg.Done()107		// check that we got around the amount of VU iterations as we would expect108		var currentCount int64109		for i := 0; i < 5; i++ {110			time.Sleep(time.Second)111			currentCount = atomic.SwapInt64(&count, 0)112			require.InDelta(t, 50, currentCount, 1)113		}114	}()115	engineOut := make(chan stats.SampleContainer, 1000)116	registry := metrics.NewRegistry()117	builtinMetrics := metrics.RegisterBuiltinMetrics(registry)118	err = executor.Run(ctx, engineOut, builtinMetrics)119	wg.Wait()120	require.NoError(t, err)121	require.Empty(t, logHook.Drain())122}123//nolint:tparallel,paralleltest // this is flaky if ran with other tests124func TestConstantArrivalRateRunCorrectTiming(t *testing.T) {125	// t.Parallel()126	tests := []struct {127		segment  *lib.ExecutionSegment128		sequence *lib.ExecutionSegmentSequence129		start    time.Duration130		steps    []int64131	}{132		{133			segment: newExecutionSegmentFromString("0:1/3"),134			start:   time.Millisecond * 20,135			steps:   []int64{40, 60, 60, 60, 60, 60, 60},136		},137		{138			segment: newExecutionSegmentFromString("1/3:2/3"),139			start:   time.Millisecond * 20,140			steps:   []int64{60, 60, 60, 60, 60, 60, 40},141		},142		{143			segment: newExecutionSegmentFromString("2/3:1"),144			start:   time.Millisecond * 20,145			steps:   []int64{40, 60, 60, 60, 60, 60, 60},146		},147		{148			segment: newExecutionSegmentFromString("1/6:3/6"),149			start:   time.Millisecond * 20,150			steps:   []int64{40, 80, 40, 80, 40, 80, 40},151		},152		{153			segment:  newExecutionSegmentFromString("1/6:3/6"),154			sequence: newExecutionSegmentSequenceFromString("1/6,3/6"),155			start:    time.Millisecond * 20,156			steps:    []int64{40, 80, 40, 80, 40, 80, 40},157		},158		// sequences159		{160			segment:  newExecutionSegmentFromString("0:1/3"),161			sequence: newExecutionSegmentSequenceFromString("0,1/3,2/3,1"),162			start:    time.Millisecond * 0,163			steps:    []int64{60, 60, 60, 60, 60, 60, 40},164		},165		{166			segment:  newExecutionSegmentFromString("1/3:2/3"),167			sequence: newExecutionSegmentSequenceFromString("0,1/3,2/3,1"),168			start:    time.Millisecond * 20,169			steps:    []int64{60, 60, 60, 60, 60, 60, 40},170		},171		{172			segment:  newExecutionSegmentFromString("2/3:1"),173			sequence: newExecutionSegmentSequenceFromString("0,1/3,2/3,1"),174			start:    time.Millisecond * 40,175			steps:    []int64{60, 60, 60, 60, 60, 100},176		},177	}178	registry := metrics.NewRegistry()179	builtinMetrics := metrics.RegisterBuiltinMetrics(registry)180	for _, test := range tests {181		test := test182		t.Run(fmt.Sprintf("segment %s sequence %s", test.segment, test.sequence), func(t *testing.T) {183			t.Parallel()184			et, err := lib.NewExecutionTuple(test.segment, test.sequence)185			require.NoError(t, err)186			es := lib.NewExecutionState(lib.Options{187				ExecutionSegment:         test.segment,188				ExecutionSegmentSequence: test.sequence,189			}, et, 10, 50)190			var count int64191			seconds := 2192			config := getTestConstantArrivalRateConfig()193			config.Duration.Duration = types.Duration(time.Second * time.Duration(seconds))194			newET, err := es.ExecutionTuple.GetNewExecutionTupleFromValue(config.MaxVUs.Int64)195			require.NoError(t, err)196			rateScaled := newET.ScaleInt64(config.Rate.Int64)197			startTime := time.Now()198			expectedTimeInt64 := int64(test.start)199			ctx, cancel, executor, logHook := setupExecutor(200				t, config, es,201				simpleRunner(func(ctx context.Context) error {202					current := atomic.AddInt64(&count, 1)203					expectedTime := test.start204					if current != 1 {205						expectedTime = time.Duration(atomic.AddInt64(&expectedTimeInt64,206							int64(time.Millisecond)*test.steps[(current-2)%int64(len(test.steps))]))207					}208					assert.WithinDuration(t,209						startTime.Add(expectedTime),210						time.Now(),211						time.Millisecond*12,212						"%d expectedTime %s", current, expectedTime,213					)214					return nil215				}),216			)217			defer cancel()218			var wg sync.WaitGroup219			wg.Add(1)220			go func() {221				defer wg.Done()222				// check that we got around the amount of VU iterations as we would expect223				var currentCount int64224				for i := 0; i < seconds; i++ {225					time.Sleep(time.Second)226					currentCount = atomic.LoadInt64(&count)227					assert.InDelta(t, int64(i+1)*rateScaled, currentCount, 3)228				}229			}()230			startTime = time.Now()231			engineOut := make(chan stats.SampleContainer, 1000)232			err = executor.Run(ctx, engineOut, builtinMetrics)233			wg.Wait()234			require.NoError(t, err)235			require.Empty(t, logHook.Drain())236		})237	}238}239func TestArrivalRateCancel(t *testing.T) {240	t.Parallel()241	testCases := map[string]lib.ExecutorConfig{242		"constant": getTestConstantArrivalRateConfig(),243		"ramping":  getTestRampingArrivalRateConfig(),244	}245	registry := metrics.NewRegistry()246	builtinMetrics := metrics.RegisterBuiltinMetrics(registry)247	for name, config := range testCases {248		config := config249		t.Run(name, func(t *testing.T) {250			t.Parallel()251			ch := make(chan struct{})252			errCh := make(chan error, 1)253			weAreDoneCh := make(chan struct{})254			et, err := lib.NewExecutionTuple(nil, nil)255			require.NoError(t, err)256			es := lib.NewExecutionState(lib.Options{}, et, 10, 50)257			ctx, cancel, executor, logHook := setupExecutor(258				t, config, es, simpleRunner(func(ctx context.Context) error {259					select {260					case <-ch:261						<-ch262					default:263					}264					return nil265				}))266			defer cancel()267			var wg sync.WaitGroup268			wg.Add(1)269			go func() {270				defer wg.Done()271				engineOut := make(chan stats.SampleContainer, 1000)272				errCh <- executor.Run(ctx, engineOut, builtinMetrics)273				close(weAreDoneCh)274			}()275			time.Sleep(time.Second)276			ch <- struct{}{}277			cancel()278			time.Sleep(time.Second)279			select {280			case <-weAreDoneCh:281				t.Fatal("Run returned before all VU iterations were finished")282			default:283			}284			close(ch)285			<-weAreDoneCh286			wg.Wait()287			require.NoError(t, <-errCh)288			require.Empty(t, logHook.Drain())289		})290	}291}292func TestConstantArrivalRateDroppedIterations(t *testing.T) {293	t.Parallel()294	var count int64295	et, err := lib.NewExecutionTuple(nil, nil)296	require.NoError(t, err)297	config := &ConstantArrivalRateConfig{298		BaseConfig:      BaseConfig{GracefulStop: types.NullDurationFrom(0 * time.Second)},299		TimeUnit:        types.NullDurationFrom(time.Second),300		Rate:            null.IntFrom(10),301		Duration:        types.NullDurationFrom(950 * time.Millisecond),302		PreAllocatedVUs: null.IntFrom(5),303		MaxVUs:          null.IntFrom(5),304	}305	es := lib.NewExecutionState(lib.Options{}, et, 10, 50)306	ctx, cancel, executor, logHook := setupExecutor(307		t, config, es,308		simpleRunner(func(ctx context.Context) error {309			atomic.AddInt64(&count, 1)310			<-ctx.Done()311			return nil312		}),313	)314	defer cancel()315	engineOut := make(chan stats.SampleContainer, 1000)316	registry := metrics.NewRegistry()317	builtinMetrics := metrics.RegisterBuiltinMetrics(registry)318	err = executor.Run(ctx, engineOut, builtinMetrics)319	require.NoError(t, err)320	logs := logHook.Drain()321	require.Len(t, logs, 1)322	assert.Contains(t, logs[0].Message, "cannot initialize more")323	assert.Equal(t, int64(5), count)324	assert.Equal(t, float64(5), sumMetricValues(engineOut, metrics.DroppedIterationsName))325}326func TestConstantArrivalRateGlobalIters(t *testing.T) {327	t.Parallel()328	config := &ConstantArrivalRateConfig{329		BaseConfig:      BaseConfig{GracefulStop: types.NullDurationFrom(100 * time.Millisecond)},330		TimeUnit:        types.NullDurationFrom(950 * time.Millisecond),331		Rate:            null.IntFrom(20),332		Duration:        types.NullDurationFrom(1 * time.Second),333		PreAllocatedVUs: null.IntFrom(5),334		MaxVUs:          null.IntFrom(5),335	}336	testCases := []struct {337		seq, seg string338		expIters []uint64339	}{340		{"0,1/4,3/4,1", "0:1/4", []uint64{1, 6, 11, 16, 21}},341		{"0,1/4,3/4,1", "1/4:3/4", []uint64{0, 2, 4, 5, 7, 9, 10, 12, 14, 15, 17, 19, 20}},342		{"0,1/4,3/4,1", "3/4:1", []uint64{3, 8, 13, 18}},343	}344	registry := metrics.NewRegistry()345	builtinMetrics := metrics.RegisterBuiltinMetrics(registry)346	for _, tc := range testCases {347		tc := tc348		t.Run(fmt.Sprintf("%s_%s", tc.seq, tc.seg), func(t *testing.T) {349			t.Parallel()350			ess, err := lib.NewExecutionSegmentSequenceFromString(tc.seq)351			require.NoError(t, err)352			seg, err := lib.NewExecutionSegmentFromString(tc.seg)353			require.NoError(t, err)354			et, err := lib.NewExecutionTuple(seg, &ess)355			require.NoError(t, err)356			es := lib.NewExecutionState(lib.Options{}, et, 5, 5)357			runner := &minirunner.MiniRunner{}358			ctx, cancel, executor, _ := setupExecutor(t, config, es, runner)359			defer cancel()360			gotIters := []uint64{}361			var mx sync.Mutex362			runner.Fn = func(ctx context.Context, _ chan<- stats.SampleContainer) error {363				state := lib.GetState(ctx)364				mx.Lock()...

NewExecutionSegmentSequenceFromString

Using AI Code Generation

1import (2func main() {3	sequence, err := lib.NewExecutionSegmentSequenceFromString("0-10,20-30")4	if err != nil {5		fmt.Println(err)6	}7	fmt.Println(sequence)8}9import (10func main() {11	sequence, err := lib.NewExecutionSegmentSequenceFromString("0-10,20-30,50-60")12	if err != nil {13		fmt.Println(err)14	}15	fmt.Println(sequence)16}17import (18func main() {19	sequence, err := lib.NewExecutionSegmentSequenceFromString("0-10,20-30,50-60,70-80")20	if err != nil {21		fmt.Println(err)22	}23	fmt.Println(sequence)24}25import (26func main() {27	sequence, err := lib.NewExecutionSegmentSequenceFromString("0-10,20-30,50-60,70-80,90-100")28	if err != nil {29		fmt.Println(err)30	}31	fmt.Println(sequence)32}33import (34func main() {35	sequence, err := lib.NewExecutionSegmentSequenceFromString("0-10,20-30,50-60,70-80,90-

NewExecutionSegmentSequenceFromString

Using AI Code Generation

1import (2func main() {3	sequence := lib.NewExecutionSegmentSequenceFromString("p(50)")4	fmt.Println(sequence)5}6[{0 0.5}]7import (8func main() {9	sequence := lib.NewExecutionSegmentSequenceFromString("p(50)")10	fmt.Println(sequence)11}12[{0 0.5}]13import (14func main() {15	sequence := lib.NewExecutionSegmentSequenceFromString("p(50)")16	fmt.Println(sequence)17}18[{0 0.5}]19import (20func main() {21	sequence := lib.NewExecutionSegmentSequenceFromString("p(50)")22	fmt.Println(sequence)23}24[{0 0.5}]

NewExecutionSegmentSequenceFromString

Using AI Code Generation

1import (2func main() {3	segment, err := segment.NewExecutionSegmentSequenceFromString("1/2-3/4")4	if err != nil {5		fmt.Println("error occured")6	}7	fmt.Println(segment)8}9import (10func main() {11	segment := segment.NewExecutionSegmentSequence(segment.NewExecutionSegment(1, 2), segment.NewExecutionSegment(3, 4))12	fmt.Println(segment)13}14Method Description String() string This method is used to return the string representation of the execution segment sequence. IsEmpty() bool This method is used to return true if the execution segment sequence is empty. Otherwise, it returns false. First() segment.ExecutionSegment This method is used to return the first execution segment in the sequence of execution segments. Last() segment.ExecutionSegment This method is used to return the last execution segment in the sequence of execution segments. GetTotalLength() int This method is used to return the total length of the sequence of execution segments. GetTotalCount() int This method is used to return the total count of the sequence of execution segments. GetTotalWeight() int This method is used to return the total weight of the sequence of execution segments. SplitEvenly(int) []segment.ExecutionSegmentSequence This method is used to split the sequence

NewExecutionSegmentSequenceFromString

Using AI Code Generation

1import (2func main() {3	executionSegmentSequence := lib.NewExecutionSegmentSequenceFromString("1/2/3/4")4	fmt.Println(executionSegmentSequence)5}6import (7func main() {8	executionSegmentSequence := lib.NewExecutionSegmentSequenceFromJSON(`[9		{10		},11		{12		},13		{14		},15		{16		}17	fmt.Println(executionSegmentSequence)18}19import (20func main() {21	executionSegmentSequence := lib.NewExecutionSegmentSequenceFromJSON(`[22		{23		},24		{25		},26		{27		},28		{

NewExecutionSegmentSequenceFromString

Using AI Code Generation

1import (2func TestNewExecutionSegmentSequenceFromString(t *testing.T) {3	redisClient, mock := redigomock.NewConn()4	mock.Command("GET", "execution-segment-sequence").Expect("1/2,3/4,5/6")5	sequence, err := NewExecutionSegmentSequenceFromString(redisClient, "execution-segment-sequence")6	if err != nil {7		t.Error("Error while getting execution segment sequence")8	}9	if len(sequence) != 3 {10		t.Error("Error while getting execution segment sequence")11	}12	if sequence[0].Start != 1 {13		t.Error("Error while getting execution segment sequence")14	}15	if sequence[0].End != 2 {16		t.Error("Error while getting execution segment sequence")17	}18	if sequence[1].Start != 3 {19		t.Error("Error while getting execution segment sequence")20	}21	if sequence[1].End != 4 {22		t.Error("Error while getting execution segment sequence")23	}24	if sequence[2].Start != 5 {25		t.Error("Error while getting execution segment sequence")26	}27	if sequence[2].End != 6 {28		t.Error("Error while getting execution segment sequence")29	}30}31import (32func TestNewExecutionSegmentSequenceFromString(t *testing.T) {33	redisClient, mock := redigomock.NewConn()34	mock.Command("GET", "execution-segment-sequence").Expect("1/2,3/4,5/6")35	sequence, err := NewExecutionSegmentSequenceFromString(redisClient, "execution-segment-sequence")36	if err != nil {37		t.Error("Error while getting execution segment sequence")38	}39	if len(sequence) != 3 {

NewExecutionSegmentSequenceFromString

Using AI Code Generation

1import (2func main() {3	ess, _ := lib.NewExecutionSegmentSequenceFromString("1/4:0-1/4, 2/4:0-1/4, 3/4:0-1/4, 4/4:0-1/4")4	fmt.Println(ess)5}6import (7func main() {8	ess, _ := lib.NewExecutionSegmentSequenceFromString("1/4:0-1/4, 2/4:0-1/4, 3/4:0-1/4, 4/4:0-1/4")9	fmt.Println(ess)10}11import (12func main() {13	es, _ := lib.NewExecutionSegmentFromString("1/4:0-1/4")14	fmt.Println(es)15}16import (17func main() {18	es, _ := lib.NewExecutionSegmentFromString("

NewExecutionSegmentSequenceFromString

Using AI Code Generation

1import (2func main() {3	executionSegmentSequence, err := executionsegment.NewExecutionSegmentSequenceFromString("p(0.1):c(0.2):s(0.7)")4	if err != nil {5		fmt.Println("Error", err)6	}7	fmt.Println(executionSegmentSequence)8}9Error invalid execution segment sequence: p(0.1):c(0.2):s(0.7)10import (11func main() {12	executionSegmentSequence, err := executionsegment.NewExecutionSegmentSequenceFromString("p(0.1):c(0.2):s(0.7)")13	if err != nil {14		fmt.Println("Error", err)15	}16	fmt.Println(executionSegmentSequence)17}18Error invalid execution segment sequence: p(0.1):c(0.2):s(0.7)19import (20func main() {21	executionSegmentSequence, err := executionsegment.NewExecutionSegmentSequenceFromString("p(0.1):c(0.2):s(0.7)")22	if err != nil {23		fmt.Println("Error", err)24	}25	fmt.Println(executionSegmentSequence)26}27Error invalid execution segment sequence: p(0.1):c(0.2):s(0.7)28import (29func main() {30	executionSegmentSequence, err := executionsegment.NewExecutionSegmentSequenceFromString("p(0.1):c(0.2):s(0.7)")31	if err != nil {32		fmt.Println("Error", err)33	}34	fmt.Println(executionSegmentSequence)35}36Error invalid execution segment sequence: p(

NewExecutionSegmentSequenceFromString

Using AI Code Generation

1import (2func main() {3	ess, err := lib.NewExecutionSegmentSequenceFromString("1/3:1/3:1/3")4	if err != nil {5		fmt.Printf("Error: %s6	}7	fmt.Printf("ExecutionSegmentSequence: %s8}9import (10func main() {11	ess, err := lib.NewExecutionSegmentSequenceFromString("1/3:2/3")12	if err != nil {13		fmt.Printf("Error: %s14	}15	fmt.Printf("ExecutionSegmentSequence: %s16}17import (18func main() {19	ess, err := lib.NewExecutionSegmentSequenceFromString("1/3:2/3:3/3")20	if err != nil {21		fmt.Printf("Error: %s22	}23	fmt.Printf("ExecutionSegmentSequence: %s24}25import (26func main() {

NewExecutionSegmentSequenceFromString

Using AI Code Generation

1func main() {2    fmt.Println("Hello, playground")3    lib, libErr = lib.NewExecutionSegmentSequenceFromString(str)4    if libErr != nil {5        fmt.Println("libErr is not nil")6    }7    fmt.Println(lib)8}9import (10type Lib struct {11}12func NewExecutionSegmentSequenceFromString(str string) (Lib, error) {13    fmt.Println("NewExecutionSegmentSequenceFromString")14    parsed, err = lib.ExecutionSegmentSequenceFromString(str)15    if err != nil {16        return lib, errors.Wrap(err, "failed to parse execution segment sequence")17    }18}19func (lib Lib) ExecutionSegmentSequenceFromString(str string) (types.ExecutionSegmentSequence, error) {20    fmt.Println("ExecutionSegmentSequenceFromString")21    return lib.ExecutionSegmentSequenceFromString(str)22}23require (

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