Class: Faker::Internet

Inherits:
Base
  • Object
show all
Defined in:
lib/faker/default/internet.rb,
lib/faker/default/internet_http.rb

Defined Under Namespace

Classes: HTTP

Constant Summary collapse

PRIVATE_IPV4_ADDRESS_RANGES =

Private, Host, and Link-Local network address blocks as defined in en.wikipedia.org/wiki/IPv4#Special-use_addresses

[
  [10..10,   0..255,   0..255, 1..255], # 10.0.0.0/8     - Used for local communications within a private network
  [100..100, 64..127,  0..255, 1..255], # 100.64.0.0/10  - Shared address space for communications between an ISP and its subscribers
  [127..127, 0..255,   0..255, 1..255], # 127.0.0.0/8    - Used for loopback addresses to the local host
  [169..169, 254..254, 0..255, 1..255], # 169.254.0.0/16 - Used for link-local addresses between two hosts on a single link when
  [172..172, 16..31,   0..255, 1..255], # 172.16.0.0/12  - Used for local communications within a private network
  [192..192, 0..0,     0..0,   1..255], # 192.0.0.0/24   - IETF Protocol Assignments
  [192..192, 168..168, 0..255, 1..255], # 192.168.0.0/16 - Used for local communications within a private network
  [198..198, 18..19,   0..255, 1..255]  # 198.18.0.0/15  - Used for benchmark testing of inter-network communications between subnets
].each(&:freeze).freeze

Constants inherited from Base

Base::LLetters, Base::Letters, Base::NOT_GIVEN, Base::Numbers, Base::ULetters

Class Method Summary collapse

Methods inherited from Base

bothify, disable_enforce_available_locales, fetch, fetch_all, flexible, letterify, method_missing, numerify, parse, rand, rand_in_range, regexify, resolve, respond_to_missing?, sample, shuffle, translate, unique, with_locale

Class Method Details

.base64(length: 16, padding: false, urlsafe: true) ⇒ String

Produces a random string of alphabetic characters, (no digits)

Examples:

Faker::Internet.base64
  #=> "r_hbZ2DSD-ZACzZT"
Faker::Internet.base64(length: 4, padding: true, urlsafe: false)
  #=> "x1/R="

Parameters:

  • length (Integer) (defaults to: 16) —

    The length of the string to generate

  • padding (Boolean) (defaults to: false) —

    Toggles if a final equal '=' will be added.

  • urlsafe (Boolean) (defaults to: true) —

    Toggles charset to '-' and '_' instead of '+' and '/'.

Returns:



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# File 'lib/faker/default/internet.rb', line 577

def base64(length: 16, padding: false, urlsafe: true)
  char_range = [
    Array('0'..'9'),
    Array('A'..'Z'),
    Array('a'..'z'),
    urlsafe ? %w[- _] : %w[+ /]
  ].flatten
  s = Array.new(length) { sample(char_range) }.join
  s += '=' if padding
  s
end

.bot_user_agent(vendor: nil) ⇒ String

Generate Web Crawler's user agents

Examples:

Faker::Internet.bot_user_agent                        #=> "Mozilla/5.0 (compatible; YandexBot/3.0; +http://yandex.com/bots)"
Faker::Internet.bot_user_agent(vendor: 'googlebot')   #=> "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Googlebot/2.1; +http://www.google.com/bot.html) Chrome/99.0.4844.84 Safari/537.36"
Faker::Internet.bot_user_agent(vendor: 'bingbot')     #=> "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) Chrome/86.0.4240.68 Safari/537.36 Edg/86.0.622.31"

Parameters:

  • vendor (String) (defaults to: nil) —

    Name of vendor, supported vendors are googlebot, bingbot, duckduckbot, baiduspider, yandexbot

Returns:



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# File 'lib/faker/default/internet.rb', line 539

def bot_user_agent(vendor: nil)
  agent_hash = translate('faker.internet.bot_user_agent')
  agents = vendor.respond_to?(:to_sym) && agent_hash[vendor.to_sym] || agent_hash[sample(agent_hash.keys)]
  sample(agents)
end

.device_token ⇒ Object

Generates random token

@return

Examples:

Faker::Internet.device_token  #=> "749f535671cf6b34d8e794d212d00c703b96274e07161b18b082d0d70ef1052f"


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# File 'lib/faker/default/internet.rb', line 502

def device_token
  shuffle(rand(16**64).to_s(16).rjust(64, '0').chars.to_a).join
end

.domain_name(legacy_subdomain = NOT_GIVEN, subdomain: false, domain: nil) ⇒ String

Returns the domain name

Examples:

Faker::Internet.domain_name                                       #=> "test.net"
Faker::Internet.domain_name(subdomain: true)                      #=> "test.faker.io"
Faker::Internet.domain_name(subdomain: true, domain: 'example')   #=> "faker.example.com"
Faker::Internet.domain_name(domain: 'faker')                      #=> "faker.org"

Parameters:

  • subdomain (Bool) (defaults to: false) —

    If true passed adds a subdomain in response

  • domain (String) (defaults to: nil)

Returns:



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# File 'lib/faker/default/internet.rb', line 224

def domain_name(legacy_subdomain = NOT_GIVEN, subdomain: false, domain: nil)
  warn_for_deprecated_arguments do |keywords|
    keywords << :subdomain if legacy_subdomain != NOT_GIVEN
  end

  with_locale(:en) do
    if domain
      domain
        .split('.')
        .map { |domain_part| Char.prepare(domain_part) }
        .tap do |domain_elements|
          domain_elements << domain_suffix if domain_elements.length < 2
          domain_elements.unshift(Char.prepare(domain_word)) if subdomain && domain_elements.length < 3
        end.join('.')
    else
      [domain_word, domain_suffix].tap do |domain_elements|
        domain_elements.unshift(Char.prepare(domain_word)) if subdomain
      end.join('.')
    end
  end
end

.domain_suffix ⇒ String

Returns the domain suffix e.g. com, org, co, biz, info etc.

Examples:

Faker::Internet.domain_suffix   #=> "com"
Faker::Internet.domain_suffix   #=> "biz"

Returns:



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# File 'lib/faker/default/internet.rb', line 283

def domain_suffix
  fetch('internet.domain_suffix')
end

.domain_word ⇒ String

Returns the domain word for internet

Examples:

Faker::Internet.domain_word   #=> "senger"

Returns:



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# File 'lib/faker/default/internet.rb', line 272

def domain_word
  with_locale(:en) { Char.prepare(Company.name.split.first) }
end

.email(legacy_name = NOT_GIVEN, legacy_separators = NOT_GIVEN, name: nil, separators: nil, domain: nil) ⇒ String

Returns the email address

Examples:

Faker::Internet.email                                                           #=> "samsmith@faker.com"
Faker::Internet.email(name: 'smith')                                            #=> "smith@faker.com"
Faker::Internet.email(name: 'sam smith', separators: ['-'])                     #=> "sam-smith@faker.com"
Faker::Internet.email(name: 'sam smith', separators: ['-'], domain: 'gmail')    #=> "sam-smith@gmail.com"

Parameters:

  • name (String) (defaults to: nil)
  • separators (Array) (defaults to: nil)
  • domain (String) (defaults to: nil)

Returns:



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# File 'lib/faker/default/internet.rb', line 32

def email(legacy_name = NOT_GIVEN, legacy_separators = NOT_GIVEN, name: nil, separators: nil, domain: nil)
  warn_for_deprecated_arguments do |keywords|
    keywords << :name if legacy_name != NOT_GIVEN
    keywords << :separators if legacy_separators != NOT_GIVEN
  end

  local_part = if separators
                 username(specifier: name, separators: separators)
               else
                 username(specifier: name)
               end

  sanitized_local_part = sanitize_email_local_part(local_part)
  construct_email(sanitized_local_part, domain_name(domain: domain))
end

.fix_umlauts(legacy_string = NOT_GIVEN, string: '') ⇒ String

Fixes ä, ö, ü, ß characters in string passed with ae, oe, ue, ss resp.

Examples:

Faker::Internet.fix_umlauts                     #=> ""
Faker::Internet.fix_umlauts(string: 'faker')    #=> "faker"
Faker::Internet.fix_umlauts(string: 'faküer')   #=> "fakueer"

Parameters:

  • string (String) (defaults to: '')

Returns:



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# File 'lib/faker/default/internet.rb', line 257

def fix_umlauts(legacy_string = NOT_GIVEN, string: '')
  warn_for_deprecated_arguments do |keywords|
    keywords << :string if legacy_string != NOT_GIVEN
  end

  Char.fix_umlauts(string)
end

.free_email(legacy_name = NOT_GIVEN, name: nil) ⇒ String

Returns the email address with domain either gmail.com, yahoo.com or hotmail.com

Examples:

Faker::Internet.free_email                                                           #=> "samsmith@gmail.com"
Faker::Internet.free_email(name: 'smith')                                            #=> "smith@yahoo.com"

Parameters:

  • name (String) (defaults to: nil)

Returns:



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# File 'lib/faker/default/internet.rb', line 58

def free_email(legacy_name = NOT_GIVEN, name: nil)
  warn_for_deprecated_arguments do |keywords|
    keywords << :name if legacy_name != NOT_GIVEN
  end

  construct_email(
    sanitize_email_local_part(username(specifier: name)),
    fetch('internet.free_email')
  )
end

.ip_v4_address ⇒ String

Returns the IPv4 address

Examples:

Faker::Internet.ip_v4_address   #=> "97.117.128.93"

Returns:



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# File 'lib/faker/default/internet.rb', line 314

def ip_v4_address
  [rand_in_range(0, 255), rand_in_range(0, 255),
   rand_in_range(0, 255), rand_in_range(0, 255)].join('.')
end

.ip_v4_cidr ⇒ String

Returns Ipv4 address with CIDR, range from 1 to 31

Examples:

Faker::Internet.ip_v4_cidr  #=> "129.162.99.74/16"
Faker::Internet.ip_v4_cidr  #=> "129.162.99.74/24"

Returns:



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# File 'lib/faker/default/internet.rb', line 417

def ip_v4_cidr
  "#{ip_v4_address}/#{rand(1..31)}"
end

.ip_v6_address ⇒ String

Returns Ipv6 address

Examples:

Faker::Internet.ip_v6_address   #=> "7754:76d4:c7aa:7646:ea68:1abb:4055:4343"

Returns:



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# File 'lib/faker/default/internet.rb', line 428

def ip_v6_address
  (1..8).map { rand(65_536).to_s(16) }.join(':')
end

.ip_v6_cidr ⇒ String

Returns Ipv6 address with CIDR, range between 1 to 127

Examples:

Faker::Internet.ip_v6_cidr  #=> "beca:9b99:4bb6:9712:af2f:516f:8507:96e1/99"

Returns:



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# File 'lib/faker/default/internet.rb', line 439

def ip_v6_cidr
  "#{ip_v6_address}/#{rand(1..127)}"
end

.mac_address(legacy_prefix = NOT_GIVEN, prefix: '') ⇒ String

Returns the MAC address

Examples:

Faker::Internet.mac_address                   #=> "74:d0:c9:22:95:12"
Faker::Internet.mac_address(prefix: 'a')      #=> "0a:91:ce:24:89:3b"
Faker::Internet.mac_address(prefix: 'aa')     #=> "aa:38:a0:3e:e8:41"
Faker::Internet.mac_address(prefix: 'aa:44')  #=> "aa:44:30:88:6e:95"

Returns:



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# File 'lib/faker/default/internet.rb', line 297

def mac_address(legacy_prefix = NOT_GIVEN, prefix: '')
  warn_for_deprecated_arguments do |keywords|
    keywords << :prefix if legacy_prefix != NOT_GIVEN
  end

  prefix_digits = prefix.split(':').map { |d| d.to_i(16) }
  address_digits = Array.new((6 - prefix_digits.size)) { rand(256) }
  (prefix_digits + address_digits).map { |d| format('%02x', d) }.join(':')
end

.password(legacy_min_length = NOT_GIVEN, legacy_max_length = NOT_GIVEN, legacy_mix_case = NOT_GIVEN, legacy_special_characters = NOT_GIVEN, min_length: 8, max_length: 16, mix_case: true, special_characters: false) ⇒ String

Produces a randomized string of characters suitable for passwords

Examples:

Faker::Internet.password #=> "Vg5mSvY1UeRg7"
Faker::Internet.password(min_length: 8) #=> "YfGjIk0hGzDqS0"
Faker::Internet.password(min_length: 10, max_length: 20) #=> "EoC9ShWd1hWq4vBgFw"
Faker::Internet.password(min_length: 10, max_length: 20, mix_case: true) #=> "3k5qS15aNmG"
Faker::Internet.password(min_length: 10, max_length: 20, mix_case: true, special_characters: true) #=> "*%NkOnJsH4"

Parameters:

  • min_length (Integer) (defaults to: 8) —

    The minimum length of the password

  • max_length (Integer) (defaults to: 16) —

    The maximum length of the password

  • mix_case (Boolean) (defaults to: true) —

    Toggles if uppercased letters are allowed. If true, at least one will be added.

  • special_characters (Boolean) (defaults to: false) —

    Toggles if special characters are allowed. If true, at least one will be added.

Returns:

Raises:

  • (ArgumentError) 


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# File 'lib/faker/default/internet.rb', line 169

def password(legacy_min_length = NOT_GIVEN, legacy_max_length = NOT_GIVEN, legacy_mix_case = NOT_GIVEN, legacy_special_characters = NOT_GIVEN, min_length: 8, max_length: 16, mix_case: true, special_characters: false)
  warn_for_deprecated_arguments do |keywords|
    keywords << :min_length if legacy_min_length != NOT_GIVEN
    keywords << :max_length if legacy_max_length != NOT_GIVEN
    keywords << :mix_case if legacy_mix_case != NOT_GIVEN
    keywords << :special_characters if legacy_special_characters != NOT_GIVEN
  end

  raise ArgumentError, 'Password of length 1 can not have both mixed case and special characters' if min_length <= 1 && mix_case && special_characters

  min_alpha = mix_case && min_length > 1 ? 2 : 0
  temp = Lorem.characters(number: min_length, min_alpha: min_alpha)
  diff_length = max_length - min_length

  if diff_length.positive?
    diff_rand = rand(diff_length + 1)
    temp += Lorem.characters(number: diff_rand)
  end

  if mix_case
    alpha_count = 0
    temp.chars.each_with_index do |char, index|
      if char =~ /[[:alpha:]]/
        temp[index] = char.upcase if alpha_count.even?
        alpha_count += 1
      end
    end
  end

  if special_characters
    chars = %w[! @ # $ % ^ & *]
    rand(1..min_length).times do |i|
      temp[i] = chars[rand(chars.length)]
    end
  end

  temp[rand(temp.size - 1)] = Lorem.characters(number: 1, min_alpha: 1).upcase if mix_case && special_characters && !temp.match(/[A-z]+/)

  temp
end

.private_ip_v4_address ⇒ String

Returns the private IPv4 address

Examples:

Faker::Internet.private_ip_v4_address   #=> "127.120.80.42"

Returns:



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# File 'lib/faker/default/internet.rb', line 326

def private_ip_v4_address
  sample(PRIVATE_IPV4_ADDRESS_RANGES).map { |range| rand(range) }.join('.')
end

.private_net_checker ⇒ Lambda

Returns lambda to check if address passed is private or not

Examples:

Faker::Internet.private_net_checker.call("127.120.80.42")   #=> true
Faker::Internet.private_net_checker.call("148.120.80.42")   #=> false

Returns:

  • (Lambda) 


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# File 'lib/faker/default/internet.rb', line 374

def private_net_checker
  ->(addr) { private_nets_regex.any? { |net| net =~ addr } }
end

.private_nets_regex ⇒ Array

Returns the private network regular expressions

Examples:

Faker::Internet.private_nets_regex  #=> [/^10\./, /^100\.(6[4-9]|[7-9]\d|1[0-1]\d|12[0-7])\./, /^127\./, /^169\.254\./, /^172\.(1[6-9]|2\d|3[0-1])\./, /^192\.0\.0\./, /^192\.168\./, /^198\.(1[8-9])\./]

Returns:

  • (Array) 


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# File 'lib/faker/default/internet.rb', line 353

def private_nets_regex
  [
    /^10\./,                                       # 10.0.0.0    - 10.255.255.255
    /^100\.(6[4-9]|[7-9]\d|1[0-1]\d|12[0-7])\./,   # 100.64.0.0  - 100.127.255.255
    /^127\./,                                      # 127.0.0.0   - 127.255.255.255
    /^169\.254\./,                                 # 169.254.0.0 - 169.254.255.255
    /^172\.(1[6-9]|2\d|3[0-1])\./,                 # 172.16.0.0  - 172.31.255.255
    /^192\.0\.0\./,                                # 192.0.0.0   - 192.0.0.255
    /^192\.168\./,                                 # 192.168.0.0 - 192.168.255.255
    /^198\.(1[8-9])\./                             # 198.18.0.0  - 198.19.255.255
  ]
end

.public_ip_v4_address ⇒ String

Returns the public IPv4 address

Examples:

Faker::Internet.public_ip_v4_address   #=> "127.120.80.42"

Returns:



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# File 'lib/faker/default/internet.rb', line 337

def public_ip_v4_address
  addr = nil
  loop do
    addr = ip_v4_address
    break unless reserved_net_checker[addr]
  end
  addr
end

.reserved_net_checker ⇒ Lambda

Returns lambda function to check address passed is reserved or not

Examples:

Faker::Internet.reserved_net_checker.call('192.88.99.255')   #=> true
Faker::Internet.reserved_net_checker.call('192.88.199.255')  #=> false

Returns:

  • (Lambda) 


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# File 'lib/faker/default/internet.rb', line 405

def reserved_net_checker
  ->(addr) { (private_nets_regex + reserved_nets_regex).any? { |net| net =~ addr } }
end

.reserved_nets_regex ⇒ Array

Returns the reserved network regular expressions

Examples:

Faker::Internet.reserved_nets_regex   #=> [/^0\./, /^192\.0\.2\./, /^192\.88\.99\./, /^198\.51\.100\./, /^203\.0\.113\./, /^(22[4-9]|23\d)\./, /^(24\d|25[0-5])\./]

Returns:

  • (Array) 


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# File 'lib/faker/default/internet.rb', line 385

def reserved_nets_regex
  [
    /^0\./,                 # 0.0.0.0      - 0.255.255.255
    /^192\.0\.2\./,         # 192.0.2.0    - 192.0.2.255
    /^192\.88\.99\./,       # 192.88.99.0  - 192.88.99.255
    /^198\.51\.100\./,      # 198.51.100.0 - 198.51.100.255
    /^203\.0\.113\./,       # 203.0.113.0  - 203.0.113.255
    /^(22[4-9]|23\d)\./,    # 224.0.0.0    - 239.255.255.255
    /^(24\d|25[0-5])\./     # 240.0.0.0    - 255.255.255.254  and  255.255.255.255
  ]
end

.safe_email(legacy_name = NOT_GIVEN, name: nil) ⇒ String

Returns the email address with fixed domain name as 'example'

Examples:

Faker::Internet.safe_email                                                           #=> "samsmith@example.com"
Faker::Internet.safe_email(name: 'smith')                                            #=> "smith@example.net"

Parameters:

  • name (String) (defaults to: nil)

Returns:



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# File 'lib/faker/default/internet.rb', line 79

def safe_email(legacy_name = NOT_GIVEN, name: nil)
  warn_for_deprecated_arguments do |keywords|
    keywords << :name if legacy_name != NOT_GIVEN
  end

  construct_email(
    sanitize_email_local_part(username(specifier: name)),
    "example.#{sample(%w[org com net])}"
  )
end

.slug(legacy_words = NOT_GIVEN, legacy_glue = NOT_GIVEN, words: nil, glue: nil) ⇒ String

Returns unique string in URL

Examples:

Faker::Internet.slug                                    #=> "repudiandae-sed"
Faker::Internet.slug(words: 'test, faker')              #=> "test-faker"
Faker::Internet.slug(words: 'test. faker')              #=> "test-faker"
Faker::Internet.slug(words: 'test. faker', glue: '$')   #=> "test$faker"

Parameters:

  • words (String) (defaults to: nil) —

    Comma or period separated words list

  • glue (String) (defaults to: nil) —

    Separator to add between words passed, default used are '-' or '_'

Returns:



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# File 'lib/faker/default/internet.rb', line 483

def slug(legacy_words = NOT_GIVEN, legacy_glue = NOT_GIVEN, words: nil, glue: nil)
  warn_for_deprecated_arguments do |keywords|
    keywords << :words if legacy_words != NOT_GIVEN
    keywords << :glue if legacy_glue != NOT_GIVEN
  end

  glue ||= sample(%w[- _])
  return words.delete(',.').gsub(' ', glue).downcase unless words.nil?

  sample(translate('faker.internet.slug'), 2).join(glue)
end

.url(legacy_host = NOT_GIVEN, legacy_path = NOT_GIVEN, legacy_scheme = NOT_GIVEN, host: domain_name, path: "/#{username}", scheme: 'http') ⇒ String

Returns URL

Examples:

Faker::Internet.url                                                           #=> "http://sipes-okon.com/hung.macejkovic"
Faker::Internet.url(host: 'faker')                                            #=> "http://faker/shad"
Faker::Internet.url(host: 'faker', path: '/fake_test_path')                   #=> "http://faker/fake_test_path"
Faker::Internet.url(host: 'faker', path: '/fake_test_path', scheme: 'https')  #=> "https://faker/fake_test_path"

Parameters:

  • host (String) (defaults to: domain_name)
  • path (String) (defaults to: "/#{username}")
  • scheme (String) (defaults to: 'http')

Returns:



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# File 'lib/faker/default/internet.rb', line 459

def url(legacy_host = NOT_GIVEN, legacy_path = NOT_GIVEN, legacy_scheme = NOT_GIVEN, host: domain_name, path: "/#{username}", scheme: 'http')
  warn_for_deprecated_arguments do |keywords|
    keywords << :host if legacy_host != NOT_GIVEN
    keywords << :path if legacy_path != NOT_GIVEN
    keywords << :scheme if legacy_scheme != NOT_GIVEN
  end

  "#{scheme}://#{host}#{path}"
end

.user(*args) ⇒ hash

Produces a randomized hash of internet user details

Examples:

Faker::Internet.user #=> { username: 'alexie', email: 'alexie@example.net' }
Faker::Internet.user('username', 'email', 'password') #=> { username: 'alexie', email: 'alexie@example.net', password: 'DtEf9P8wS31iMyC' }

Returns:

  • (hash) 


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# File 'lib/faker/default/internet.rb', line 600

def user(*args)
  user_hash = {}
  args = %w[username email] if args.empty?
  args.each { |arg| user_hash[:"#{arg}"] = send(arg) }
  user_hash
end

.user_agent(legacy_vendor = NOT_GIVEN, vendor: nil) ⇒ String

Generates the random browser identifier

Examples:

Faker::Internet.user_agent                    #=> "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36"
Faker::Internet.user_agent(vendor: 'chrome')  #=> "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36"
Faker::Internet.user_agent(vendor: 'safari')  #=> "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_3) AppleWebKit/537.75.14 (KHTML, like Gecko) Version/7.0.3 Safari/7046A194A"
Faker::Internet.user_agent(vendor: 'faker')   #=> "Mozilla/5.0 (Windows; U; Win 9x 4.90; SG; rv:1.9.2.4) Gecko/20101104 Netscape/9.1.0285"

Parameters:

  • vendor (String) (defaults to: nil) —

    Name of vendor, supported vendors are aol, chrome, firefox, internet_explorer, netscape, opera, safari

Returns:



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# File 'lib/faker/default/internet.rb', line 518

def user_agent(legacy_vendor = NOT_GIVEN, vendor: nil)
  warn_for_deprecated_arguments do |keywords|
    keywords << :vendor if legacy_vendor != NOT_GIVEN
  end

  agent_hash = translate('faker.internet.user_agent')
  agents = vendor.respond_to?(:to_sym) && agent_hash[vendor.to_sym] || agent_hash[sample(agent_hash.keys)]
  sample(agents)
end

.username(legacy_specifier = NOT_GIVEN, legacy_separators = NOT_GIVEN, specifier: nil, separators: %w[. _]) ⇒ String Also known as: user_name

Returns the username

Examples:

Faker::Internet.username(specifier: 10)                     #=> "lulu.goodwin"
Faker::Internet.username(specifier: 5..10)                  #=> "morris"
Faker::Internet.username(specifier: 5..10)                  #=> "berryberry"
Faker::Internet.username(specifier: 20, separators: ['-'])  #=> "nikki_sawaynnikki_saway"

Parameters:

  • specifier (Integer, Range, String) (defaults to: nil) —

    When int value passed it returns the username longer than specifier. Max value can be 10^6

  • separators (Array) (defaults to: %w[. _])

Returns:



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# File 'lib/faker/default/internet.rb', line 103

def username(legacy_specifier = NOT_GIVEN, legacy_separators = NOT_GIVEN, specifier: nil, separators: %w[. _])
  warn_for_deprecated_arguments do |keywords|
    keywords << :specifier if legacy_specifier != NOT_GIVEN
    keywords << :separators if legacy_separators != NOT_GIVEN
  end

  with_locale(:en) do
    return shuffle(specifier.scan(/[[:word:]]+/)).join(sample(separators)).downcase if specifier.respond_to?(:scan)

    case specifier
    when Integer
      # If specifier is Integer and has large value, Argument error exception is raised to overcome memory full error
      raise ArgumentError, 'Given argument is too large' if specifier > 10**6

      tries = 0 # Don't try forever in case we get something like 1_000_000.
      result = nil
      loop do
        result = username(specifier: nil, separators: separators)
        tries += 1
        break unless result.length < specifier && tries < 7
      end
      return result * (specifier / result.length + 1) if specifier.positive?
    when Range
      tries = 0
      result = nil
      loop do
        result = username(specifier: specifier.min, separators: separators)
        tries += 1
        break unless !specifier.include?(result.length) && tries < 7
      end
      return result[0...specifier.max]
    end

    sample([
             Char.prepare(Name.first_name),
             [Name.first_name, Name.last_name].map do |name|
               Char.prepare(name)
             end.join(sample(separators))
           ])
  end
end

.uuid ⇒ String

Generated universally unique identifier

Examples:

Faker::Internet.uuid  #=> "8a6cdd40-6d78-4fdb-912b-190e3057197f"

Returns:



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# File 'lib/faker/default/internet.rb', line 552

def uuid
  # borrowed from: https://github.com/ruby/ruby/blob/d48783bb0236db505fe1205d1d9822309de53a36/lib/securerandom.rb#L250
  ary = Faker::Config.random.bytes(16).unpack('NnnnnN')
  ary[2] = (ary[2] & 0x0fff) | 0x4000
  ary[3] = (ary[3] & 0x3fff) | 0x8000
  '%08x-%04x-%04x-%04x-%04x%08x' % ary # rubocop:disable Style/FormatString
end