initial commit

esfaker.go

@@ -0,0 +1,104 @@
+package esfaker
+
+import (
+	"math/rand"
+	"strings"
+)
+
+const uppercaseAlphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+const lowercaseAlphabet = "abcdefghijklmnopqrstuvwxyz"
+const numbers = "0123456789"
+const symbols = "!@#$%^&*()_+{}|:<>?~"
+
+var maleNames = []string{
+	"Pedro", "Juan", "Pepe", "Francisco", "Luis", "Carlos", "Javier", "José", "Antonio", "Manuel",
+}
+var femaleNames = []string{
+	"María", "Ana", "Isabel", "Laura", "Carmen", "Rosa", "Julia", "Elena", "Sara", "Lucía",
+}
+var lastNames = []string{
+	"García", "Fernández", "González", "Rodríguez", "López", "Martínez", "Sánchez", "Pérez", "Gómez", "Martín",
+}
+
+func MaleName() string {
+	return maleNames[rand.Intn(len(maleNames))]
+}
+
+func FemaleName() string {
+	return femaleNames[rand.Intn(len(femaleNames))]
+}
+
+func Name() string {
+	allNames := append(maleNames, femaleNames...)
+	return allNames[rand.Intn(len(allNames))]
+}
+
+func LastName() string {
+	return lastNames[rand.Intn(len(lastNames))]
+}
+
+func Email(beforeAt string) string {
+	return beforeAt + "@" + AllChars(5, 10) + ".local"
+}
+
+func Int(min, max int64) int64 {
+	return min + rand.Int63n(max-min+1)
+}
+
+func Float(min, max float64) float64 {
+	return min + rand.Float64()*(max-min)
+}
+
+func Bool() bool {
+	return rand.Intn(2) == 0
+}
+
+func Chars(min, max int) string {
+	var sb strings.Builder
+	k := len(lowercaseAlphabet)
+
+	for i := 0; i < rand.Intn(max-min+1)+min; i++ {
+		c := lowercaseAlphabet[rand.Intn(k)]
+		sb.WriteByte(c)
+	}
+
+	return sb.String()
+}
+
+func AllChars(min, max int) string {
+	allChars := uppercaseAlphabet + lowercaseAlphabet + numbers + symbols
+	var sb strings.Builder
+	k := len(allChars)
+
+	for i := 0; i < rand.Intn(max-min+1)+min; i++ {
+		c := allChars[rand.Intn(k)]
+		sb.WriteByte(c)
+	}
+
+	return sb.String()
+}
+
+func AllCharsOrEmpty(min, max int) string {
+	if Bool() {
+		return ""
+	}
+	return AllChars(min, max)
+}
+
+func AllCharsOrNil(min, max int) *string {
+	if Bool() {
+		return nil
+	}
+	s := AllChars(min, max)
+	return &s
+}
+
+func NumericString(length int) string {
+	var sb strings.Builder
+
+	for i := 0; i < length; i++ {
+		sb.WriteByte(numbers[rand.Intn(len(numbers))])
+	}
+
+	return sb.String()
+}

go.mod

@@ -0,0 +1,3 @@
+module github.com/zepyrshut/esfaker
+
+go 1.23.0