How to use Setup method of minirunner Package

Best K6 code snippet using minirunner.Setup

runner.go

Source:runner.go

...39	// improvement at runtime. Remember, this is called once per VU and normally only at the start40	// of a test - RunOnce() may be called hundreds of thousands of times, and must be fast.41	NewVU(out chan<- stats.SampleContainer) (VU, error)42	// Runs pre-test setup, if applicable.43	Setup(ctx context.Context, out chan<- stats.SampleContainer) error44	// Returns json representation of the setup data if setup() is specified and run, nil otherwise45	GetSetupData() []byte46	// Saves the externally supplied setup data as json in the runner47	SetSetupData([]byte)48	// Runs post-test teardown, if applicable.49	Teardown(ctx context.Context, out chan<- stats.SampleContainer) error50	// Returns the default (root) Group.51	GetDefaultGroup() *Group52	// Get and set options. The initial value will be whatever the script specifies (for JS,53	// `export let options = {}`); cmd/run.go will mix this in with CLI-, config- and env-provided54	// values and write it back to the runner.55	GetOptions() Options56	SetOptions(opts Options) error57}58// A VU is a Virtual User, that can be scheduled by an Executor.59type VU interface {60	// Runs the VU once. The VU is responsible for handling the Halting Problem, eg. making sure61	// that execution actually stops when the context is cancelled.62	RunOnce(ctx context.Context) error63	// Assign the VU a new ID. Called by the Executor upon creation, but may be called multiple64	// times if the VU is recycled because the test was scaled down and then back up.65	Reconfigure(id int64) error66}67// MiniRunner wraps a function in a runner whose VUs will simply call that function.68type MiniRunner struct {69	Fn         func(ctx context.Context, out chan<- stats.SampleContainer) error70	SetupFn    func(ctx context.Context, out chan<- stats.SampleContainer) ([]byte, error)71	TeardownFn func(ctx context.Context, out chan<- stats.SampleContainer) error72	setupData []byte73	Group   *Group74	Options Options75}76func (r MiniRunner) VU(out chan<- stats.SampleContainer) *MiniRunnerVU {77	return &MiniRunnerVU{R: r, Out: out}78}79func (r MiniRunner) MakeArchive() *Archive {80	return nil81}82func (r MiniRunner) NewVU(out chan<- stats.SampleContainer) (VU, error) {83	return r.VU(out), nil84}85func (r *MiniRunner) Setup(ctx context.Context, out chan<- stats.SampleContainer) (err error) {86	if fn := r.SetupFn; fn != nil {87		r.setupData, err = fn(ctx, out)88	}89	return90}91// GetSetupData returns json representation of the setup data if setup() is specified and run, nil otherwise92func (r MiniRunner) GetSetupData() []byte {93	return r.setupData94}95// SetSetupData saves the externally supplied setup data as json in the runner96func (r *MiniRunner) SetSetupData(data []byte) {97	r.setupData = data98}99func (r MiniRunner) Teardown(ctx context.Context, out chan<- stats.SampleContainer) error {100	if fn := r.TeardownFn; fn != nil {101		return fn(ctx, out)102	}103	return nil104}105func (r MiniRunner) GetDefaultGroup() *Group {106	if r.Group == nil {107		r.Group = &Group{}108	}109	return r.Group110}...

minirunner.go

Source:minirunner.go

...33// using a real JS runtime, it allows us to directly specify the options and34// functions with Go code.35type MiniRunner struct {36	Fn         func(ctx context.Context, out chan<- stats.SampleContainer) error37	SetupFn    func(ctx context.Context, out chan<- stats.SampleContainer) ([]byte, error)38	TeardownFn func(ctx context.Context, out chan<- stats.SampleContainer) error39	SetupData []byte40	NextVUID int6441	Group    *lib.Group42	Options  lib.Options43}44// MakeArchive isn't implemented, it always returns nil and is just here to45// satisfy the lib.Runner interface.46func (r MiniRunner) MakeArchive() *lib.Archive {47	return nil48}49// NewVU returns a new VU with an incremental ID.50func (r *MiniRunner) NewVU(id int64, out chan<- stats.SampleContainer) (lib.InitializedVU, error) {51	return &VU{R: r, Out: out, ID: id}, nil52}53// Setup calls the supplied mock setup() function, if present.54func (r *MiniRunner) Setup(ctx context.Context, out chan<- stats.SampleContainer) (err error) {55	if fn := r.SetupFn; fn != nil {56		r.SetupData, err = fn(ctx, out)57	}58	return59}60// GetSetupData returns json representation of the setup data if setup() is61// specified and was ran, nil otherwise.62func (r MiniRunner) GetSetupData() []byte {63	return r.SetupData64}65// SetSetupData saves the externally supplied setup data as JSON in the runner.66func (r *MiniRunner) SetSetupData(data []byte) {67	r.SetupData = data68}69// Teardown calls the supplied mock teardown() function, if present.70func (r MiniRunner) Teardown(ctx context.Context, out chan<- stats.SampleContainer) error {71	if fn := r.TeardownFn; fn != nil {72		return fn(ctx, out)73	}74	return nil75}76// GetDefaultGroup returns the default group.77func (r MiniRunner) GetDefaultGroup() *lib.Group {78	if r.Group == nil {79		r.Group = &lib.Group{}80	}81	return r.Group...

Setup

Using AI Code Generation

1import (2func main() {3	node := node.New(&node.DefaultConfig)4	whisperService := whisperv6.New()5	node.Register(func(ctx *node.ServiceContext) (node.Service, error) {6	})7	err := node.Setup()8	if err != nil {9		log.Crit("Failed to setup the node", "error", err)10	}11	err = node.Start()12	if err != nil {13		log.Crit("Failed to start the node", "error", err)14	}15	client, err := node.Attach()16	if err != nil {17		log.Crit("Failed to attach to the inproc geth node", "error", err)18	}19	whisperClient := whisperv6.NewPublicWhisperAPI(client)20	filterID, err := whisperClient.NewMessageFilter(whisperv6.Criteria{})21	if err != nil {22		log.Crit("Failed to create a filter", "error", err)23	}24	messages, err := whisperClient.GetFilterMessages(filterID)25	if err != nil {26		log.Crit("Failed to get messages from the filter", "error", err)27	}28	log.Info("Messages", "messages", messages)29	node.Stop()30}31import (32func main() {33	whisperService := whisperv6.New()

Setup

Using AI Code Generation

1import (2func main() {3	whisper := whisperv6.New(&whisperv6.DefaultConfig)4	whisperClient := client.NewClient(whisper)5	whisperTest := whisperv6test.New(whisperClient)6	whisperTestSetup := whisperTest.Setup()7	whisperTestSetup.Setup(1)8	whisperTestSetup.Setup(1, 10)9	whisperTestSetup.Setup(1, 10, 10)10	whisperTestSetup.Setup(1, 10, 10, 10)11	whisperTestSetup.Setup(1, 10, 10, 10, 10)12	whisperTestSetup.Setup(1, 10, 10, 10, 10, 10)

Setup

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, world.")4	runner.Setup()5}6import "fmt"7type Runner struct {8}9func (r *Runner) Setup() {10	fmt.Println("Setup called")11}12import (13func TestRunner_Setup(t *testing.T) {14	fmt.Println("TestRunner_Setup called")15	runner.Setup()16}

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