Value generator initial commit

go.mod

@@ -5,6 +5,7 @@ go 1.24.2
 require (
 	github.com/jedib0t/go-pretty/v6 v6.6.7
 	github.com/valyala/fasthttp v1.62.0
+	github.com/brianvoe/gofakeit/v7 v7.2.1
 	gopkg.in/yaml.v3 v3.0.1
 )
 

go.sum

@@ -1,5 +1,7 @@
 github.com/andybalholm/brotli v1.1.1 h1:PR2pgnyFznKEugtsUo0xLdDop5SKXd5Qf5ysW+7XdTA=
 github.com/andybalholm/brotli v1.1.1/go.mod h1:05ib4cKhjx3OQYUY22hTVd34Bc8upXjOLL2rKwwZBoA=
+github.com/brianvoe/gofakeit/v7 v7.2.1 h1:AGojgaaCdgq4Adzrd2uWdbGNDyX6MWNhHdQBraNfOHI=
+github.com/brianvoe/gofakeit/v7 v7.2.1/go.mod h1:QXuPeBw164PJCzCUZVmgpgHJ3Llj49jSLVkKPMtxtxA=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/jedib0t/go-pretty/v6 v6.6.7 h1:m+LbHpm0aIAPLzLbMfn8dc3Ht8MW7lsSO4MPItz/Uuo=

requests/request.go

@@ -1,14 +1,18 @@
 package requests
 
 import (
+	"bytes"
 	"context"
 	"math/rand"
 	"net/url"
+	"strings"
+	"text/template"
 	"time"
 
 	"github.com/aykhans/dodo/config"
 	"github.com/aykhans/dodo/types"
 	"github.com/aykhans/dodo/utils"
+	"github.com/brianvoe/gofakeit/v7"
 	"github.com/valyala/fasthttp"
 )
 
@@ -21,6 +25,11 @@ type Request struct {
 	getRequest RequestGeneratorFunc
 }
 
+type keyValueGenerator struct {
+	key   func() string
+	value func() string
+}
+
 // Send sends the HTTP request using the fasthttp client with a specified timeout.
 // It returns the HTTP response or an error if the request fails or times out.
 func (r *Request) Send(ctx context.Context, timeout time.Duration) (*fasthttp.Response, error) {
@@ -101,17 +110,10 @@ func getRequestGeneratorFunc(
 	bodies []string,
 	localRand *rand.Rand,
 ) RequestGeneratorFunc {
-	bodiesLen := len(bodies)
-	getBody := func() string { return "" }
-	if bodiesLen == 1 {
-		getBody = func() string { return bodies[0] }
-	} else if bodiesLen > 1 {
-		getBody = utils.RandomValueCycle(bodies, localRand)
-	}
-
 	getParams := getKeyValueGeneratorFunc(params, localRand)
 	getHeaders := getKeyValueGeneratorFunc(headers, localRand)
 	getCookies := getKeyValueGeneratorFunc(cookies, localRand)
+	getBody := getValueFunc(bodies, newFuncMap(localRand), localRand)
 
 	return func() *fasthttp.Request {
 		return newFasthttpRequest(
@@ -199,45 +201,75 @@ func getKeyValueGeneratorFunc[
 	keyValueSlice []types.KeyValue[string, []string],
 	localRand *rand.Rand,
 ) func() T {
-	getKeyValueSlice := []map[string]func() string{}
-	isRandom := false
+	keyValueGenerators := make([]keyValueGenerator, len(keyValueSlice))
 
-	for _, kv := range keyValueSlice {
-		if valuesLen := len(kv.Value); valuesLen > 1 {
-			isRandom = true
+	funcMap := newFuncMap(localRand)
+
+	for i, kv := range keyValueSlice {
+		keyValueGenerators[i] = keyValueGenerator{
+			key:   getKeyFunc(kv.Key, funcMap),
+			value: getValueFunc(kv.Value, funcMap, localRand),
 		}
-
-		getKeyValueSlice = append(
-			getKeyValueSlice,
-			map[string]func() string{
-				kv.Key: utils.RandomValueCycle(kv.Value, localRand),
-			},
-		)
 	}
 
-	if isRandom {
-		return func() T {
-			keyValues := make(T, len(getKeyValueSlice))
-			for i, keyValue := range getKeyValueSlice {
-				for key, value := range keyValue {
-					keyValues[i] = types.KeyValue[string, string]{
-						Key:   key,
-						Value: value(),
-					}
-				}
-			}
-			return keyValues
-		}
-	} else {
-		keyValues := make(T, len(getKeyValueSlice))
-		for i, keyValue := range getKeyValueSlice {
-			for key, value := range keyValue {
-				keyValues[i] = types.KeyValue[string, string]{
-					Key:   key,
-					Value: value(),
-				}
+	return func() T {
+		keyValues := make(T, len(keyValueGenerators))
+		for i, keyValue := range keyValueGenerators {
+			keyValues[i] = types.KeyValue[string, string]{
+				Key:   keyValue.key(),
+				Value: keyValue.value(),
 			}
 		}
-		return func() T { return keyValues }
+		return keyValues
+	}
+}
+
+func getKeyFunc(key string, funcMap template.FuncMap) func() string {
+	t, err := template.New("default").Funcs(funcMap).Parse(key)
+	if err != nil {
+		panic(err)
+	}
+
+	return func() string {
+		var buf bytes.Buffer
+		_ = t.Execute(&buf, nil)
+		return buf.String()
+	}
+}
+
+func getValueFunc(
+	values []string,
+	funcMap template.FuncMap,
+	localRand *rand.Rand,
+) func() string {
+	templates := make([]*template.Template, len(values))
+
+	for i, value := range values {
+		t, err := template.New("default").Funcs(funcMap).Parse(value)
+		if err != nil {
+			panic(err)
+		}
+		templates[i] = t
+	}
+
+	randomTemplateFunc := utils.RandomValueCycle(templates, localRand)
+
+	return func() string {
+		if tmpl := randomTemplateFunc(); tmpl == nil {
+			return ""
+		} else {
+			var buf bytes.Buffer
+			_ = tmpl.Execute(&buf, nil)
+			return buf.String()
+		}
+	}
+}
+
+func newFuncMap(localRand *rand.Rand) template.FuncMap {
+	localFaker := gofakeit.NewFaker(localRand, false)
+
+	return template.FuncMap{
+		"upper":       strings.ToUpper,
+		"fakeit_Name": localFaker.Name,
 	}
 }

requests/run.go

@@ -72,7 +72,7 @@ func releaseDodos(
 
 	wg.Add(int(dodosCount))
 	streamWG.Add(1)
-	streamCtx, streamCtxCancel := context.WithCancel(context.Background())
+	streamCtx, streamCtxCancel := context.WithCancel(ctx)
 
 	go streamProgress(streamCtx, &streamWG, requestConfig.RequestCount, "Dodos Working🔥", increase)
 

utils/slice.go

@@ -19,19 +19,15 @@ func Flatten[T any](nested [][]*T) []*T {
 // reset and start cycling through the values in a random order again.
 // The returned function isn't thread-safe and should be used in a single-threaded context.
 func RandomValueCycle[T any](values []T, localRand *rand.Rand) func() T {
-	var (
-		valuesLen    = len(values)
-		currentIndex = localRand.Intn(valuesLen)
-		stopIndex    = currentIndex
-	)
-
-	switch valuesLen {
+	switch valuesLen := len(values); valuesLen {
 	case 0:
 		var zero T
 		return func() T { return zero }
 	case 1:
 		return func() T { return values[0] }
 	default:
+		currentIndex := localRand.Intn(valuesLen)
+		stopIndex := currentIndex
 		return func() T {
 			value := values[currentIndex]
 			currentIndex++