How to use Exports method of jstest Package

Best K6 code snippet using jstest.Exports

runner.go

Source:runner.go

1// Package jstest is a test framework using js as test script2package jstest3import (4	"errors"5	"flag"6	"os"7	"path/filepath"8	"testing"9	"github.com/ddliu/motto"10	"github.com/robertkrimen/otto"11	"github.com/xuperchain/xupercore/cmd/xdev/internal/jstest/builtins"12)13// TestCase is the one test case14type TestCase struct {15	Name string16	F    func(*testing.T)17}18// RunOption is the option to run a test script19type RunOption struct {20	Quiet    bool21	Patten   string22	InGoTest bool23}24// DefaultRunOption returns the default RunOption25func DefaultRunOption() *RunOption {26	return &RunOption{27		Quiet:  false,28		Patten: "",29	}30}31// Runner is the runner of test file32type Runner struct {33	Option RunOption34	vm      *motto.Motto35	global  *otto.Object36	tests   []testing.InternalTest37	adapter Adapter38}39// NewRunner instance a Runner40func NewRunner(opt *RunOption, adapter Adapter) (*Runner, error) {41	if adapter == nil {42		adapter = defaultAdapter{}43	}44	if opt == nil {45		opt = DefaultRunOption()46	}47	vm := motto.New()48	r := &Runner{49		Option:  *opt,50		vm:      vm,51		global:  globalObject(vm.Otto),52		adapter: adapter,53	}54	err := r.init()55	if err != nil {56		return nil, err57	}58	adapter.OnSetup(r)59	return r, nil60}61func (r *Runner) init() error {62	err := r.initJSModules()63	if err != nil {64		return err65	}66	r.registerGlobals()67	return nil68}69func (r *Runner) registerGlobals() {70	r.global.Set("_test", r.add)71	for name, v := range builtins.Globals {72		r.global.Set(name, v)73	}74}75func (r *Runner) initGoTestPackage() error {76	var flags []string77	if !r.Option.Quiet {78		flags = append(flags, "-test.v")79	}80	if r.Option.Patten != "" {81		flags = append(flags, "-test.run", r.Option.Patten)82	}83	flag.CommandLine.Parse(flags)84	return nil85}86func (r *Runner) initJSModules() error {87	// load jstest module88	v, err := r.vm.Require("jstest", ".")89	if err != nil {90		return err91	}92	exports := v.Object()93	// export all symbols from jstest module to global94	for _, name := range exports.Keys() {95		value, _ := exports.Get(name)96		r.global.Set(name, value)97	}98	return nil99}100func (r *Runner) add(name string, body func(t *testing.T)) {101	testcase := r.adapter.OnTestCase(r, TestCase{102		Name: name,103		F:    body,104	})105	r.tests = append(r.tests, testing.InternalTest{106		Name: testcase.Name,107		F:    testcase.F,108	})109}110// AddModulePath add path as nodejs module search path111func (r *Runner) AddModulePath(path []string) {112	r.vm.AddPath(path...)113}114// AddTestFile add a js test file to Runner115func (r *Runner) AddTestFile(file string) error {116	_, err := r.vm.Run(file)117	return err118}119// Run run a js test file using file's dir as working directory120func (r *Runner) RunFile(file string) error {121	err := r.AddTestFile(file)122	if err != nil {123		return err124	}125	rundir := filepath.Dir(file)126	return r.Run(rundir)127}128// Run run all tests with rundir as working directory129func (r *Runner) Run(rundir string) error {130	wd, _ := os.Getwd()131	err := os.Chdir(rundir)132	if err != nil {133		return err134	}135	defer os.Chdir(wd)136	if r.Option.InGoTest {137		ok := testing.RunTests(testDeps{}.MatchString, r.tests)138		if !ok {139			return errors.New("")140		}141		return nil142	}143	tmain := testing.MainStart(testDeps{}, r.tests, nil, nil)144	err = r.initGoTestPackage()145	if err != nil {146		return err147	}148	ret := tmain.Run()149	if ret != 0 {150		return errors.New("")151	}152	return nil153}154// VM returns the js vm155func (r *Runner) VM() *otto.Otto {156	return r.vm.Otto157}158// GlobalObject returns the global Object in js vm159func (r *Runner) GlobalObject() *otto.Object {160	return r.global161}162// Close release resources by Runner163func (r *Runner) Close() {164	r.adapter.OnTeardown(r)165}166func globalObject(vm *otto.Otto) *otto.Object {167	return vm.Context().This.Object()168}...

jstest.go

Source:jstest.go

...32		vu:   vu,33		foos: vu.InitEnv().Registry.MustNewMetric("foos", metrics.Counter),34	}35}36// Exports implements the modules.Instance interface and returns the exports37// of the JS module.38func (j *JSTest) Exports() modules.Exports {39	return modules.Exports{Default: j}40}41// Foo emits a foo metric42func (j *JSTest) Foo(arg float64) (bool, error) {43	state := j.vu.State()44	if state == nil {45		return false, fmt.Errorf("the VU State is not available in the init context")46	}47	ctx := j.vu.Context()48	tags := state.CloneTags()49	tags["foo"] = "bar"50	metrics.PushIfNotDone(ctx, state.Samples, metrics.Sample{51		Time:   time.Now(),52		Metric: j.foos, Tags: metrics.IntoSampleTags(&tags),53		Value: arg,...

Exports

Using AI Code Generation

1import (2func main() {3    vm := otto.New()4    vm.Run(`5        var jstest = {6            Exports: function() {7                return 42;8            }9        };10    value, _ := vm.Get("jstest")11    object := value.Object()12    result, _ := object.Call("Exports")13    fmt.Println(result)14}

Exports

Using AI Code Generation

1import (2func main() {3	vm := otto.New()4	vm.Run("jstest = {}")5	vm.Run("jstest.exports = function() { return 'Hello World' }")6	value, _ := vm.Get("jstest.exports")7	fmt.Println(value)8}

Exports

Using AI Code Generation

1import (2func main() {3    o := js.Global.Get("jstest")4    fmt.Println(o.Call("Exports", "Hello World"))5}6import (7func main() {8    o := js.Global.Get("jstest")9    fmt.Println(o.Call("Exports", "Hello World"))10}11import (12func main() {13    o := js.Global.Get("jstest")14    fmt.Println(o.Call("Exports", "Hello World"))15}16import (17func main() {18    o := js.Global.Get("jstest")19    fmt.Println(o.Call("Exports", "Hello World"))20}21import (22func main() {23    o := js.Global.Get("jstest")24    fmt.Println(o.Call("Exports", "Hello World"))25}26import (27func main() {28    o := js.Global.Get("jstest")29    fmt.Println(o.Call("Exports", "Hello World"))30}31import (32func main() {33    o := js.Global.Get("jstest")34    fmt.Println(o.Call("Exports", "Hello World"))35}36import (

Exports

Using AI Code Generation

1import (2func main() {3	c := make(chan struct{}, 0)4	js.Global().Set("sub", js.FuncOf(sub))5	js.Global().Set("mul", js.FuncOf(mul))6	js.Global().Set("div", js.FuncOf(div))7}8func add(this js.Value, args []js.Value) interface{} {9	x := args[0].Int()10	y := args[1].Int()11}12func sub(this js.Value, args []js.Value) interface{} {13	x := args[0].Int()14	y := args[1].Int()15}16func mul(this js.Value, args []js.Value) interface{} {17	x := args[0].Int()18	y := args[1].Int()19}20func div(this js.Value, args []js.Value) interface{} {21	x := args[0].Int()22	y := args[1].Int()23}24        async function run() {25            const go = new Go();26            const result = await WebAssembly.instantiateStreaming(fetch("1.wasm"), go.importObject);27            go.run(result.instance);28            const result1 = await go.exports.sub(1, 2);29            const result2 = await go.exports.mul(1, 2);30            const result3 = await go.exports.div(1, 2);31        }32        run();

Exports

Using AI Code Generation

1import "fmt"2import "github.com/krishnakumarsekar/jstest"3func main() {4fmt.Println(jstest.Exports())5}6import "fmt"7import "github.com/krishnakumarsekar/jstest"8func main() {9fmt.Println(jstest.Exports())10}11import "fmt"12import "github.com/krishnakumarsekar/jstest"13func main() {14fmt.Println(jstest.Exports())15}16import "fmt"17import "github.com/krishnakumarsekar/jstest"18func main() {19fmt.Println(jstest.Exports())20}21import "fmt"22import "github.com/krishnakumarsekar/jstest"23func main() {24fmt.Println(jstest.Exports())25}26import "fmt"27import "github.com/krishnakumarsekar/jstest"28func main() {29fmt.Println(jstest.Exports())30}31import "fmt"32import "github.com/krishnakumarsekar/jstest"33func main() {34fmt.Println(jstest.Exports())35}36import "fmt"37import "github.com/krishnakumarsekar/jstest"38func main() {39fmt.Println(jstest.Exports())40}41import "fmt"42import "github.com/krishnakumarsekar/jstest"43func main() {44fmt.Println(jstest.Exports())45}

Exports

Using AI Code Generation

1import (2func main() {3	global := js.Global()4	document := global.Get("document")5	body := document.Get("body")6	div := document.Call("createElement", "div")7	div.Set("innerHTML", "Hello World")8	body.Call("appendChild", div)9	fmt.Scanln(&input)10}11import (12func main() {13	global := js.Global()14	document := global.Get("document")15	body := document.Get("body")16	div := document.Call("createElement", "div")17	div.Set("innerHTML", "Hello World")18	body.Call("appendChild", div)19	fmt.Scanln(&input)20}21import (22func main() {23	global := js.Global()24	document := global.Get("document")25	body := document.Get("body")26	div := document.Call("createElement", "div")27	div.Set("innerHTML", "Hello World")28	body.Call("appendChild", div)29	fmt.Scanln(&input)30}

Exports

Using AI Code Generation

1import (2func main() {3	fmt.Println(jstest.Exports())4}5func Exports() []int {6	return []int{1, 2, 3}7}8var go = require('node-go')9go.runFile('jstest.go', function(err, result) {10  if (err) throw err11  console.log(result)12})

Exports

Using AI Code Generation

1import (2func main() {3	js.Global.Call("alert", js.Global.Get("jstest").Get("Exports").Call("test"))4}5var jstest = {6    Exports: {7        test: function() {8        }9    }10}11import (12func main() {13	js.Global.Call("alert", js.Global.Get("jstest").Get("Exports").Call("test"))14}15var jstest = {16    Exports: {17        test: function() {18        }19    }20}21import (22func main() {23	js.Global.Call("alert", js.Global.Get("jstest").Get("Exports").Call("test"))24}25var jstest = {26    Exports: {27        test: function() {28        }29    }30}31import (32func main() {33	js.Global.Call("alert", js.Global.Get("jstest").Get("Exports").Call("test"))34}35var jstest = {36    Exports: {37        test: function() {38        }39    }40}41import (42func main() {43	js.Global.Call("alert", js.Global.Get("jstest").Get("Exports").Call("test"))44}

Exports

Using AI Code Generation

1func main() {2    js.Global().Get("jstest").Call("Exports")3}4var jstest = {5    Exports: function () {6        goExports();7    }8};

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.