Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

Automation Advisor
K6
lib
generateRandomSequence

How to use generateRandomSequence method of lib Package

Best K6 code snippet using lib.generateRandomSequence

execution_segment_test.go

Source:execution_segment_test.go

...379	}380}381// Return a randomly distributed sequence of n amount of382// execution segments whose length totals 1.383func generateRandomSequence(t testing.TB, n, m int64, r *rand.Rand) ExecutionSegmentSequence {384	var err error385	ess := ExecutionSegmentSequence(make([]*ExecutionSegment, n))386	numerators := make([]int64, n)387	var denominator int64388	for i := int64(0); i < n; i++ {389		numerators[i] = 1 + r.Int63n(m)390		denominator += numerators[i]391	}392	from := big.NewRat(0, 1)393	for i := int64(0); i < n; i++ {394		to := new(big.Rat).Add(big.NewRat(numerators[i], denominator), from)395		ess[i], err = NewExecutionSegment(from, to)396		require.NoError(t, err)397		from = to398	}399	return ess400}401// Ensure that the sum of scaling all execution segments in402// the same sequence with scaling factor M results in M itself.403func TestExecutionSegmentScaleConsistency(t *testing.T) {404	t.Parallel()405	seed := time.Now().UnixNano()406	r := rand.New(rand.NewSource(seed))407	t.Logf("Random source seeded with %d\n", seed)408	const numTests = 10409	for i := 0; i < numTests; i++ {410		scale := rand.Int31n(99) + 2411		seq := generateRandomSequence(t, r.Int63n(9)+2, 100, r)412		t.Run(fmt.Sprintf("%d_%s", scale, seq), func(t *testing.T) {413			var total int64414			for _, segment := range seq {415				total += segment.Scale(int64(scale))416			}417			assert.Equal(t, int64(scale), total)418		})419	}420}421// Ensure that the sum of scaling all execution segments in422// the same sequence with scaling factor M results in M itself.423func TestExecutionTupleScaleConsistency(t *testing.T) {424	t.Parallel()425	seed := time.Now().UnixNano()426	r := rand.New(rand.NewSource(seed))427	t.Logf("Random source seeded with %d\n", seed)428	const numTests = 10429	for i := 0; i < numTests; i++ {430		scale := rand.Int31n(99) + 2431		seq := generateRandomSequence(t, r.Int63n(9)+2, 200, r)432		et, err := NewExecutionTuple(seq[0], &seq)433		require.NoError(t, err)434		t.Run(fmt.Sprintf("%d_%s", scale, seq), func(t *testing.T) {435			var total int64436			for i, segment := range seq {437				assert.True(t, segment.Equal(et.Sequence.ExecutionSegmentSequence[i]))438				total += et.Sequence.ScaleInt64(i, int64(scale))439			}440			assert.Equal(t, int64(scale), total)441		})442	}443}444func TestExecutionSegmentScaleNoWobble(t *testing.T) {445	t.Parallel()446	requireSegmentScaleGreater := func(t *testing.T, et *ExecutionTuple) {447		var i, lastResult int64448		for i = 1; i < 1000; i++ {449			result := et.ScaleInt64(i)450			require.True(t, result >= lastResult, "%d<%d", result, lastResult)451			lastResult = result452		}453	}454	// Baseline full segment test455	t.Run("0:1", func(t *testing.T) {456		et, err := NewExecutionTuple(nil, nil)457		require.NoError(t, err)458		requireSegmentScaleGreater(t, et)459	})460	seed := time.Now().UnixNano()461	r := rand.New(rand.NewSource(seed))462	t.Logf("Random source seeded with %d\n", seed)463	// Random segments464	const numTests = 10465	for i := 0; i < numTests; i++ {466		seq := generateRandomSequence(t, r.Int63n(9)+2, 100, r)467		es := seq[rand.Intn(len(seq))]468		et, err := NewExecutionTuple(seq[0], &seq)469		require.NoError(t, err)470		t.Run(es.String(), func(t *testing.T) {471			requireSegmentScaleGreater(t, et)472		})473	}474}475func TestGetStripedOffsets(t *testing.T) {476	t.Parallel()477	testCases := []struct {478		seq     string479		seg     string480		start   int64481		offsets []int64482		lcd     int64483	}{484		// full sequences485		{seq: "0,0.3,0.5,0.6,0.7,0.8,0.9,1", seg: "0:0.3", start: 0, offsets: []int64{4, 3, 3}, lcd: 10},486		{seq: "0,0.3,0.5,0.6,0.7,0.8,0.9,1", seg: "0.3:0.5", start: 1, offsets: []int64{4, 6}, lcd: 10},487		{seq: "0,0.3,0.5,0.6,0.7,0.8,0.9,1", seg: "0.5:0.6", start: 2, offsets: []int64{10}, lcd: 10},488		{seq: "0,0.3,0.5,0.6,0.7,0.8,0.9,1", seg: "0.6:0.7", start: 3, offsets: []int64{10}, lcd: 10},489		{seq: "0,0.3,0.5,0.6,0.7,0.8,0.9,1", seg: "0.8:0.9", start: 8, offsets: []int64{10}, lcd: 10},490		{seq: "0,0.3,0.5,0.6,0.7,0.8,0.9,1", seg: "0.9:1", start: 9, offsets: []int64{10}, lcd: 10},491		{seq: "0,0.2,0.5,0.6,0.7,0.8,0.9,1", seg: "0.9:1", start: 9, offsets: []int64{10}, lcd: 10},492		{seq: "0,0.2,0.5,0.6,0.7,0.8,0.9,1", seg: "0:0.2", start: 1, offsets: []int64{4, 6}, lcd: 10},493		{seq: "0,0.2,0.5,0.6,0.7,0.8,0.9,1", seg: "0.6:0.7", start: 3, offsets: []int64{10}, lcd: 10},494		// not full sequences495		{seq: "0,0.2,0.5", seg: "0:0.2", start: 3, offsets: []int64{6, 4}, lcd: 10},496		{seq: "0,0.2,0.5", seg: "0.2:0.5", start: 1, offsets: []int64{4, 2, 4}, lcd: 10},497		{seq: "0,2/5,4/5", seg: "0:2/5", start: 0, offsets: []int64{3, 2}, lcd: 5},498		{seq: "0,2/5,4/5", seg: "2/5:4/5", start: 1, offsets: []int64{3, 2}, lcd: 5},499		// no sequence500		{seg: "0:0.2", start: 1, offsets: []int64{5}, lcd: 5},501		{seg: "0:1/5", start: 1, offsets: []int64{5}, lcd: 5},502		{seg: "0:2/10", start: 1, offsets: []int64{5}, lcd: 5},503		{seg: "0:0.4", start: 1, offsets: []int64{2, 3}, lcd: 5},504		{seg: "0:2/5", start: 1, offsets: []int64{2, 3}, lcd: 5},505		{seg: "2/5:4/5", start: 1, offsets: []int64{3, 2}, lcd: 5},506		{seg: "0:4/10", start: 1, offsets: []int64{2, 3}, lcd: 5},507		{seg: "1/10:5/10", start: 1, offsets: []int64{2, 2, 4, 2}, lcd: 10},508	}509	for _, tc := range testCases {510		tc := tc511		t.Run(fmt.Sprintf("seq:%s;segment:%s", tc.seq, tc.seg), func(t *testing.T) {512			ess, err := NewExecutionSegmentSequenceFromString(tc.seq)513			require.NoError(t, err)514			segment, err := NewExecutionSegmentFromString(tc.seg)515			require.NoError(t, err)516			et, err := NewExecutionTuple(segment, &ess)517			require.NoError(t, err)518			start, offsets, lcd := et.GetStripedOffsets()519			assert.Equal(t, tc.start, start)520			assert.Equal(t, tc.offsets, offsets)521			assert.Equal(t, tc.lcd, lcd)522			ess2, err := NewExecutionSegmentSequenceFromString(tc.seq)523			require.NoError(t, err)524			assert.Equal(t, ess.String(), ess2.String())525		})526	}527}528func TestSequenceLCD(t *testing.T) {529	testCases := []struct {530		seq string531		lcd int64532	}{533		{seq: "0,0.3,0.5,0.6,0.7,0.8,0.9,1", lcd: 10},534		{seq: "0,0.1,0.5,0.6,0.7,0.8,0.9,1", lcd: 10},535		{seq: "0,0.2,0.5,0.6,0.7,0.8,0.9,1", lcd: 10},536		{seq: "0,1/3,5/6", lcd: 6},537		{seq: "0,1/3,4/7", lcd: 21},538	}539	for _, tc := range testCases {540		tc := tc541		t.Run(fmt.Sprintf("seq:%s", tc.seq), func(t *testing.T) {542			ess, err := NewExecutionSegmentSequenceFromString(tc.seq)543			require.NoError(t, err)544			require.Equal(t, tc.lcd, ess.LCD())545		})546	}547}548func BenchmarkGetStripedOffsets(b *testing.B) {549	lengths := [...]int64{10, 100}550	const seed = 777551	r := rand.New(rand.NewSource(seed))552	for _, length := range lengths {553		length := length554		b.Run(fmt.Sprintf("length%d,seed%d", length, seed), func(b *testing.B) {555			sequence := generateRandomSequence(b, length, 100, r)556			b.ResetTimer()557			for i := 0; i < b.N; i++ {558				segment := sequence[int(r.Int63())%len(sequence)]559				et, err := NewExecutionTuple(segment, &sequence)560				require.NoError(b, err)561				_, _, _ = et.GetStripedOffsets()562			}563		})564	}565}566func BenchmarkGetStripedOffsetsEven(b *testing.B) {567	lengths := [...]int64{10, 100, 1000}568	generateSequence := func(n int64) ExecutionSegmentSequence {569		var err error...

generateRandomSequence

Using AI Code Generation

1import (2func main() {3	fmt.Println(lib.GenerateRandomSequence(10))4}5import (6func GenerateRandomSequence(n int) []int {7	rand.Seed(time.Now().UnixNano())8	for i := 0; i < n; i++ {9		randomSequence = append(randomSequence, rand.Intn(100))10	}11}12import (13func main() {14	fmt.Println(rand.Intn(100))15	fmt.Println(rand.Intn(100))16	fmt.Println(rand.Intn(100))17	fmt.Println(rand.Float64())18	fmt.Println((rand.Float64() * 5) + 5)19	fmt.Println((rand.Float64() * 5) + 5)20	s1 := rand.NewSource(time.Now().UnixNano())21	r1 := rand.New(s1)22	fmt.Println(r1.Intn(100))23	fmt.Println(r1.Intn(100))24	s2 := rand.NewSource(42)25	r2 := rand.New(s2)26	fmt.Println(r2.Intn(100))27	fmt.Println(r2.Intn(100))28	s3 := rand.NewSource(42)29	r3 := rand.New(s3)30	fmt.Println(r3.Intn(100))31	fmt.Println(r3.Intn(100))32}

generateRandomSequence

Using AI Code Generation

1import (2func main() {3	fmt.Println(lib.GenerateRandomSequence(10))4}5import (6func GenerateRandomSequence(length int) string {7	var seededRand *rand.Rand = rand.New(8		rand.NewSource(time.Now().UnixNano()))9	b := make([]byte, length)10	for i := range b {11		index, _ := seededRand.Int(seededRand, big.NewInt(int64(len(charset))))12		b[i] = charset[index.Int64()]13	}14	return string(b)15}

generateRandomSequence

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, World!")4    fmt.Println(lib.GenerateRandomSequence(10))5}6import (7func GenerateRandomSequence(n int) []int {8    rand.Seed(time.Now().UnixNano())9    sequence := make([]int, n)10    for i := 0; i < n; i++ {11        sequence[i] = rand.Intn(100)12    }13}

generateRandomSequence

Using AI Code Generation

1import (2func main() {3	fmt.Println("Random sequence:", lib.GenerateRandomSequence())4}5import (6func GenerateRandomSequence() string {7	rand.Seed(time.Now().UnixNano())8	return fmt.Sprintf("%d", rand.Int())9}10import (11func TestGenerateRandomSequence(t *testing.T) {12	sequence := GenerateRandomSequence()13	if len(sequence) != 10 {14		t.Errorf("Expected sequence length is 10, but got %d", len(sequence))15	}16}17import (18func main() {19	fmt.Println("Random sequence:", lib.GenerateRandomSequence())20}21import (22func GenerateRandomSequence() string {23	return generateRandomSequence()24}25func generateRandomSequence() string {26	rand.Seed(time.Now().UnixNano())27	return fmt.Sprintf("%d", rand.Int())28}29import (30func TestGenerateRandomSequence(t *testing.T) {31	sequence := generateRandomSequence()32	if len(sequence) != 10 {33		t.Errorf("Expected sequence length is 10, but got %d", len(sequence))34	}35}

generateRandomSequence

Using AI Code Generation

1import (2func main() {3	rs.GenerateRandomSequence(10)4	fmt.Println(rs.GetSequence())5}6import (7func main() {8	rand.Seed(time.Now().UnixNano())9	rs.GenerateRandomSequence(10)10	fmt.Println(rs.GetSequence())11}12import (13func main() {14	rand.Seed(time.Now().UnixNano() + rand.Int63())15	rs.GenerateRandomSequence(10)16	fmt.Println(rs.GetSequence())17}18import (19func main() {20	rand.Seed(time.Now().UnixNano() + rand.Int63())21	rs.GenerateRandomSequence(10)22	fmt.Println(rs.GetSequence())23}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.