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faker

Struct Data Fake Generator

Faker will generate you a fake data based on your Struct.

Index

• Support
• Getting Started
• Example
• Contribution

Support

You can file an Issue. See documentation in Godoc

Getting Started

Download

go get -u github.com/bxcodec/faker

Example

With Tag

Supported tag :

• Email
• IP Address (IPV4 IPV6 )
• Credit Card Type (VISA, MASTERCARD , AMERICAN EXPRESS ,DISCOVER)
• Credit Card Number
• Latitude and Longitude

package main

import (
	"fmt"
	"github.com/bxcodec/faker"
)

type SomeStruct struct {
 Latitude         float32 `faker:"lat"`
 Long             float32 `faker:"long"`
 CreditCardType   string  `faker:"cc_type"`
 CreditCardNumber string  `faker:"cc_number"`
 Email            string  `faker:"email"`
 IPV4             string  `faker:"ipv4"`
 IPV6             string  `faker:"ipv6"`

}

func main() {

  a= SomeStruct{}
  err:= faker.FakeData(&a)
  if err!= nil {
    fmt.Println(err)
  }
  fmt.Printf("%+v", a)
	//Will Print  :
	// {Latitude:31.456718 Long:159.9867 CreditCardType:Discover CreditCardNumber:6011091892846730 Email:[email protected] IPV4:76.24.239.144 IPV6:e8e9:4a26:4c2b:20d3:541e:98b:c5fd:aa26}PASS

}

Without Tag

package main

import (
	"fmt"
	"github.com/bxcodec/faker"
)

type SomeStruct struct {
	Int      int
	Int8     int8
	Int16    int16
	Int32    int32
	Int64    int64
	String   string
	Bool     bool
	SString  []string
	SInt     []int
	SInt8    []int8
	SInt16   []int16
	SInt32   []int32
	SInt64   []int64
	SFloat32 []float32
	SFloat64 []float64
	SBool    []bool
	Struct   AStruct
}
type AStruct struct {
	Number        int64
	Height        int64
	AnotherStruct BStruct
}

type BStruct struct {
	Image string
}

func main() {

  a= SomeStruct{}
  err:= faker.FakeData(&a)
  if err!= nil {
    fmt.Println(err)
  }
  fmt.Printf("%+v", a)
}

Output :

{Int:7088293148785081331 Int8:7 Int16:14 Int32:1777976883 Int64:2467854463682814928 String:XMhCTmwvVqEUryIKnpWrQmBdb Bool:true SString:[iiCGZ GESVVaP] SInt:[2391903971675293806 5270400206229440165 7315288441301820955] SInt8:[124 104 84] SInt16:[-9403 -23327 -19174] SInt32:[1714966339 1617248797 1233525792] SInt64:[6505581000035730776 989945489581839946 7467254172609770414] SFloat32:[0.6761954 0.13427323 0.35608092] SFloat64:[0.49714054026277343 0.29188223737765046 0.7800285978504301] SBool:[true true true] Struct:{Number:8662858647992239649 Height:2466984558238338402 AnotherStruct:{Image:kNIwoxPiVcOqQxBUyyAuDAKom}}}

Bench To Generate Fake Data

Without Tag

BenchmarkFakerDataNOTTagged-4             500000              3049 ns/op             488 B/op         20 allocs/op

Using Tag

 BenchmarkFakerDataTagged-4                100000             17470 ns/op             380 B/op         26 allocs/op

MUST KNOW

The Struct Field must PUBLIC.
Support Only For :

• int int8 int16 int32 int64
• []int []int8 []int16 []int32 []int64
• bool []bool
• string []string
• float32 float64 []float32 []float64
• Nested Struct Field for Non POINTER
• time.Time []time.Time