How to use generateRandomSequence method of lib Package

Best K6 code snippet using lib.generateRandomSequence

execution_segment_test.go

Source:execution_segment_test.go Github

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...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...

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generateRandomSequence

Using AI Code Generation

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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}

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generateRandomSequence

Using AI Code Generation

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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}

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generateRandomSequence

Using AI Code Generation

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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}

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generateRandomSequence

Using AI Code Generation

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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}

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generateRandomSequence

Using AI Code Generation

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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}

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