qfy

Tiny command line program that accepts a template and outputs fake data.

Examples

# publish email to nsq every 1ms.
echo '{"email":"{{email}}", "subject": "welcome!"}' \
  | qfy --tick 1ms \
  | json-to-nsq --topic users

# add users to FoundationDB.
echo "'set {{username}} {{avatar}}'" \
  | qfy \
  | xargs -L1 -n3 fdbcli --exec

# add users to MongoDB.
echo "'db.users.insert({ name: \"{{name}}\" })'" \
  | qfy \
  | xargs -L1 -n1 mongo --eval

# add users to Redis.
echo "set {{username}} {{avatar}}" \
  | qfy \
  | xargs -L1 -n3 redis-cli

# send a single request using curl.
echo 'country={{country}}' \
  | qfy --max 1 \
  | curl -d @- httpbin.org/post

Installation

$ go get github.com/peteraba/qfy

Usage


Usage: qfy
  [--tick d]
  [--max n]
  [--batch n]
  [--list]
  [--concurrent]

  qfy -h | --help
  qfy -v | --version

Options:
  --tick d        generate data every d [default: 10ms]
  --max n         generate data up to n [default: -1]
  --batch n       batch size for concurrent runs [default: 100]
  --list d        list all available generators
  --concurrent    skip ticks and generate fake data concurrently
  -v, --version   show version information
  -h, --help      show help information

Generators

  avatar
  color
  country
  country.code
  domain
  domain.name
  domain.tld
  double
  email
  event.action
  http.method
  id
  ipv4
  ipv6
  latitude
  longitude
  mac.address
  name
  name.first
  name.last
  product.category
  product.name
  smartdouble:desiredStdDev,desiredMean,min,max
  smartdate:format,deviationDays,rangeDays
  smartunixtime:deviationDays,rangeDays
  state
  state.code
  timezone
  unixtime
  username
  objectId (MongoDB/BSON)

Generator attributes

Smart double

All arguments are optional.

Desired standard deviation
Desired mean
Desired minimum value
Desired maximum value

More info: https://golang.org/pkg/math/rand/#Rand.NormFloat64

Smart date

Date format. Allowed values:
- ANSIC ("Mon Jan _2 15:04:05 2006")
- UnixDate ("Mon Jan _2 15:04:05 MST 2006")
- RubyDate ("Mon Jan 02 15:04:05 -0700 2006")
- RFC822 ("02 Jan 06 15:04 MST")
- RFC822Z ("02 Jan 06 15:04 -0700" // RFC822 with numeric zone)
- RFC850 ("Monday, 02-Jan-06 15:04:05 MST")
- RFC1123 ("Mon, 02 Jan 2006 15:04:05 MST")
- RFC1123Z ("Mon, 02 Jan 2006 15:04:05 -0700" // RFC1123 with numeric zone)
- RFC3339 ("2006-01-02T15:04:05Z07:00")
- RFC3339Nano ("2006-01-02T15:04:05.999999999Z07:00")
- Kitchen ("3:04PM")
- Stamp ("Jan _2 15:04:05")
- StampMilli ("Jan _2 15:04:05.000")
- StampMicro ("Jan _2 15:04:05.000000")
- StampNano ("Jan _2 15:04:05.000000000")
- SqlDateTime ("2006-01-02 15:04:05")
- SqlDate ("2006-01-02")
- SqlTime ("15:04:05")
Deviation in days
Range in days

Smart unixtime

Deviation in days
Range in days

Numbering

You can define numbers in your template to reference previously defined templates:

echo '{"email":"{{email}}", "email_repeated": "{{0}}"}' \
  | qfy --max 1

This will output something similar to the following:

{"email":"tomaslau16@example.us","email_repeated":"tomaslau16@example.us"}

License

(MIT), 2014 Amir Abu Shareb.

johannesboyne/qfy

qfy