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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};

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