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Faker Gem简介

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今天给大家介绍的gem名叫faker,功能其实也很单一,从名字上来看,就是用来生成假数据的。使用起来也是非常方便,:)

安装

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gem install faker

使用

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Faker::Name.name      #=> "Christophe Bartell"

Faker::Internet.email #=> "kirsten.greenholt@corkeryfisher.info"

Faker::Address

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Faker::Address.city #=> "Imogeneborough"

Faker::Address.street_name #=> "Larkin Fork"

Faker::Address.street_address #=> "282 Kevin Brook"

Faker::Address.secondary_address #=> "Apt. 672"

Faker::Address.building_number #=> "7304"

Faker::Address.zip_code #=> "58517"

Faker::Address.zip #=> "58517"

Faker::Address.postcode #=> "58517"

Faker::Address.time_zone #=> "Asia/Yakutsk"

Faker::Address.street_suffix #=> "Street"

Faker::Address.city_suffix #=> "fort"

Faker::Address.city_prefix #=> "Lake"

Faker::Address.state #=> "California"

Faker::Address.state_abbr #=> "AP"

Faker::Address.country #=> "French Guiana"

Faker::Address.country_code #=> "IT"

Faker::Address.latitude #=> "-58.17256227443719"

Faker::Address.longitude #=> "-156.65548382095133"

Faker::Bitcoin

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Faker::Bitcoin.address #=> "1HUoGjmgChmnxxYhz87YytV4gVjfPaExmh"
Faker::Bitcoin.testnet_address #=> ""msHGunDvoEwmVFXvd2Bub1SNw5RP1YHJaf""

Faker::Business

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Faker::Business.credit_card_number #=> "1228-1221-1221-1431"

Faker::Business.credit_card_expiry_date #=> <Date: 2015-11-11 ((2457338j,0s,0n),+0s,2299161j)>

Faker::Business.credit_card_type #=> "visa"

Faker::Code

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Faker::Code.isbn #=> "759021701-8"

Faker::Code.ean #=> "4600051000057"

Faker::Commerce

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Faker::Commerce.color #=> "lavender"

# Optional arguments max=3, fixed_amount=false
Faker::Commerce.department #=> "Grocery, Health & Beauty"
Faker::Commerce.department(5) #=> "Grocery, Books, Health & Beauty"
Faker::Commerce.department(2, true) #=> "Books & Tools"

Faker::Commerce.product_name #=> "Practical Granite Shirt"

Faker::Commerce.price #=> "44.6"

Faker::Company

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Faker::Company.name #=> "Hirthe-Ritchie"

Faker::Company.suffix #=> "Group"

# Generate a buzzword-laden catch phrase.
Faker::Company.catch_phrase #=> "Business-focused coherent parallelism"

# When a straight answer won't do, BS to the rescue!
Faker::Company.bs #=> "empower one-to-one web-readiness"

Faker::Company.ein #=> "34-8488813"

Faker::Company.duns_number #=> "08-341-3736"

# Get a random company logo url in PNG format.
Faker::Company.logo #=> "http://pigment.github.com/fake-logos/logos/medium/color/5.png"

Faker::Date

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# Random date between dates
Faker::Date.between(2.days.ago, Date.today) #=> "Wed, 24 Sep 2014"

# Random date in the future (up to maximum of N days)
Faker::Date.forward(23) # => "Fri, 03 Oct 2014"

# Random date in the past (up to maximum of N days)
Faker::Date.backward(14) #=> "Fri, 19 Sep 2014"

Faker::Internet

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# Optional argument name=nil
Faker::Internet.email #=> "eliza@mann.net"

Faker::Internet.email('Nancy') #=> "nancy@terry.biz"

# Optional argument name=nil
Faker::Internet.free_email #=> "freddy@gmail.com"

Faker::Internet.free_email('Nancy') #=> "nancy@yahoo.com"

# Optional argument name=nil
Faker::Internet.safe_email #=> "christelle@example.org"

Faker::Internet.safe_email('Nancy') #=> "nancy@example.net"

# Optional arguments specifier=nil, separators=%w(. _)
Faker::Internet.user_name #=> "alexie"

Faker::Internet.user_name('Nancy') #=> "nancy"

Faker::Internet.user_name('Nancy Johnson', %w(. _ -)) #=> "johnson-nancy"

# Optional arguments: min_length=8, max_length=16
Faker::Internet.password #=> "vg5msvy1uerg7"

Faker::Internet.password(8) #=> "yfgjik0hgzdqs0"

Faker::Internet.password(10, 20) #=> "eoc9shwd1hwq4vbgfw"

Faker::Internet.domain_name #=> "effertz.info"

Faker::Internet.fix_umlauts('äöüß') #=> "aeoeuess"

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

Faker::Internet.domain_suffix #=> "info"

Faker::Internet.ip_v4_address #=> "24.29.18.175"

Faker::Internet.ip_v6_address #=> "ac5f:d696:3807:1d72:2eb5:4e81:7d2b:e1df"

# Optional argument prefix=''
Faker::Internet.mac_address #=> "e6:0d:00:11:ed:4f"
Faker::Internet.mac_address('55:44:33') #=> "55:44:33:02:1d:9b"

# Optional arguments: host=domain_name, path="/#{user_name}"
Faker::Internet.url #=> "http://thiel.com/chauncey_simonis"
Faker::Internet.url('example.com') #=> "http://example.com/clotilde.swift"
Faker::Internet.url('example.com', '/foobar.html') #=> "http://example.com/foobar.html"

# Optional arguments: words=nil, glue=nil
Faker::Internet.slug #=> "pariatur_laudantium"
Faker::Internet.slug('foo bar') #=> "foo.bar"
Faker::Internet.slug('foo bar', '-') #=> "foo-bar"

Faker::Lorem

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Faker::Lorem.word #=> "repellendus"

# Optional arguments: num=3, supplemental=false
Faker::Lorem.words #=> ["dolores", "adipisci", "nesciunt"]
Faker::Lorem.words(4) #=> ["culpa", "recusandae", "aut", "omnis"]
Faker::Lorem.words(4, true) #=> ["colloco", "qui", "vergo", "deporto"]

# Optional arguments: char_count=255
Faker::Lorem.characters #=> "uw1ep04lhs0c4d931n1jmrspprf5wrj85fefue0y7y6m56b6omquh7br7dhqijwlawejpl765nb1716idmp3xnfo85v349pzy2o9rir23y2qhflwr71c1585fnynguiphkjm8p0vktwitcsm16lny7jzp9t4drwav3qmhz4yjq4k04x14gl6p148hulyqioo72tf8nwrxxcclfypz2lc58lsibgfe5w5p0xv95peafjjmm2frkhdc6duoky0aha"
Faker::Lorem.characters(10) #=> "ang9cbhoa8"

# Optional arguments: word_count=4, supplemental=false, random_words_to_add=6
Faker::Lorem.sentence #=> "Dolore illum animi et neque accusantium."
Faker::Lorem.sentence(3) #=> "Commodi qui minus deserunt sed vero quia."
Faker::Lorem.sentence(3, true) #=> "Inflammatio denego necessitatibus caelestis autus illum."
Faker::Lorem.sentence(3, false, 4) #=> "Aut voluptatem illum fugit ut sit."
Faker::Lorem.sentence(3, true, 4) #=> "Accusantium tantillus dolorem timor."

# Optional arguments: sentence_count=3, supplemental=false
Faker::Lorem.sentences #=> ["Vero earum commodi soluta.", "Quaerat fuga cumque et vero eveniet omnis ut.", "Cumque sit dolor ut est consequuntur."]
Faker::Lorem.sentences(1) #=> ["Ut perspiciatis explicabo possimus doloribus enim quia."]
Faker::Lorem.sentences(1, true) #=> ["Quis capillus curo ager veritatis voro et ipsum."]

# Optional arguments: sentence_count=3, supplemental=false, random_sentences_to_add=3
Faker::Lorem.paragraph #=> "Neque dicta enim quasi. Qui corrupti est quisquam. Facere animi quod aut. Qui nulla consequuntur consectetur sapiente."
Faker::Lorem.paragraph(2) #=> "Illo qui voluptas. Id sit quaerat enim aut cupiditate voluptates dolorum. Porro necessitatibus numquam dolor quia earum."
Faker::Lorem.paragraph(2, true) #=> "Cedo vero adipisci. Theatrum crustulum coaegresco tonsor crastinus stabilis. Aliqua crur consequatur amor una tolero sum."
Faker::Lorem.paragraph(2, false, 4) #=> "Neque aut et nemo aut incidunt voluptates. Dolore cum est sint est. Vitae assumenda porro odio dolores fugiat. Est voluptatum quia rerum."
Faker::Lorem.paragraph(2, true, 4) #=> "Vomito unde uxor annus. Et patior utilis sursum."

# Optional arguments: paragraph_count=3, supplemental=false
Faker::Lorem.paragraphs #=> ["Dolores quis quia ad quo voluptates. Maxime delectus totam numquam. Necessitatibus vel atque qui dolore.", "Id neque nemo. Dolores iusto facere est ad. Accusamus ipsa dolor ut.", "Et officiis ut hic. Sunt asperiores minus distinctio debitis ipsa dolor. Minima eos deleniti."]
Faker::Lorem.paragraphs(1) #=> ["Labore voluptas sequi. Ratione nulla eaque quia molestiae fugit. At quam laboriosam aut ut dignissimos."]
Faker::Lorem.paragraphs(1, true) #=> ["Depulso animi cunctatio amicitia adficio. Vester viduo qui despirmatio voluptas. Validus laudantium adopto ut agnitio venustas. Aer arcus odio esse."]

Faker::Name

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Faker::Name.name #=> "Tyshawn Johns Sr."

Faker::Name.first_name #=> "Kaci"

Faker::Name.last_name #=> "Ernser"

Faker::Name.prefix #=> "Mr."

Faker::Name.suffix #=> "IV"

Faker::Name.title #=> "Legacy Creative Director"

Faker::Avatar

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Faker::Avatar.image #=> "http://robohash.org/sitsequiquia.png?size=300x300"

Faker::Avatar.image("my-own-slug") #=> "http://robohash.org/my-own-slug.png?size=300x300"

Faker::Avatar.image("my-own-slug", "50x50") #=> "http://robohash.org/my-own-slug.png?size=50x50"

Faker::Avatar.image("my-own-slug", "50x50", "jpg") #=> "http://robohash.org/my-own-slug.jpg?size=50x50"

Faker::Avatar.image("my-own-slug", "50x50", "bmp") #=> "http://robohash.org/my-own-slug.bmp?size=50x50"

Faker::Number

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# Required parameter: digits
Faker::Number.number(10) #=> "1968353479"

# Required parameter: l_digits
Faker::Number.decimal(2) #=> "11.88"

Faker::Number.decimal(2, 3) #=> "18.843"

# Required parameter: digits
Faker::Number.hexadecimal(3) #=> "e74"

Faker::Number.between(1, 10) #=> 7

Faker::Number.positive #=> 235.59238499107653

Faker::Number.negative #=> -4480.042585669558

Faker::Number.digit #=> "1"

Faker::PhoneNumber

电话号码属于下面格式中的任何一个:

  • 333-333-3333
  • (333)333-3333
  • 1-333-333-3333
  • 333.333.3333
  • 333-333-3333
  • 333-333-3333 x3333
  • (333)333-3333 x3333
  • 1-333-333-3333 x3333
  • 333.333.3333 x3333

不要被下面的例子所迷惑-随机返回一个特定格式

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Faker::PhoneNumber.phone_number #=> "397.693.1309"

Faker::PhoneNumber.cell_phone #=> "(186)285-7925"

# NOTE NOTE NOTE NOTE
# For the 'US only' methods below, first you must do the following:
Faker::Config.locale = 'en-US'

# US only
Faker::PhoneNumber.area_code #=> "201"

# US only
Faker::PhoneNumber.exchange_code #=> "208"

# Optional parameter: length=4
Faker::PhoneNumber.subscriber_number #=> "3873"

Faker::PhoneNumber.subscriber_number(2) #=> "39"

Faker::PhoneNumber.extension #=> "3764"

Faker::Time

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# Random date between dates
Faker::Time.between(DateTime.now - 1, DateTime.now) #=> "2014-09-18 12:30:59 -0700"

# Random date between dates (within specified part of the day)
# You can install the active_support gem to facilitate time manipulation like 45.minutes + 2.hours
require "as-duration"
Faker::Time.between(2.days.ago, Time.now, :all) #=> "2014-09-19 07:03:30 -0700"
Faker::Time.between(2.days.ago, Time.now, :day) #=> "2014-09-18 16:28:13 -0700"
Faker::Time.between(2.days.ago, Time.now, :night) #=> "2014-09-20 19:39:38 -0700"
Faker::Time.between(2.days.ago, Time.now, :morning) #=> "2014-09-19 08:07:52 -0700"
Faker::Time.between(2.days.ago, Time.now, :afternoon) #=> "2014-09-18 12:10:34 -0700"
Faker::Time.between(2.days.ago, Time.now, :evening) #=> "2014-09-19 20:21:03 -0700"
Faker::Time.between(2.days.ago, Time.now, :midnight) #=> "2014-09-20 00:40:14 -0700"

# Random time in the future (up to maximum of N days)
Faker::Time.forward(23, :morning) # => "2014-09-26 06:54:47 -0700"

# Random time in the past (up to maximum of N days)
Faker::Time.backward(14, :evening) #=> "2014-09-17 19:56:33 -0700"

Faker::Hacker

你曾经是否为最新的科技词汇所犯愁?现在不用担心了。

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# Full Phrase
Faker::Hacker.say_something_smart #=> "Try to compress the SQL interface, maybe it will program the back-end hard drive!"

# Short technical abbreviations
Faker::Hacker.abbreviation  #=> "RAM"

# Hacker centric adjectives
Faker::Hacker.adjective   #=> "open-source"

# Only the best hacker related nouns
Faker::Hacker.noun   #=> "bandwidth"

# Actions that hackers take
Faker::Hacker.verb  #=> "bypass"

# Verbs that end in -ing
Faker::Hacker.ingverb #=> "synthesizing"

Faker::App

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Faker::App.name #=> "Treeflex"

Faker::App.version #=> "0.7.9"

Faker::App.author #=> "Daphne Swift"

Faker::SlackEmoji

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# Random Slack Emoji from people category
Faker::SlackEmoji.people #=> ":sleepy:"

# Random Slack Emoji from nature category
Faker::SlackEmoji.nature #=> ":chestnut:"

# Random Slack Emoji from food and drink category
Faker::SlackEmoji.food_and_drink #=> ":tangerine:"

# Random Slack Emoji from celebration category
Faker::SlackEmoji.celebration #=> ":ribbon:"

# Random Slack Emoji from activity category
Faker::SlackEmoji.activity #=> ":performing_arts:"

# Random Slack Emoji from travel and places category
Faker::SlackEmoji.travel_and_places #=> ":truck:"

# Random Slack Emoji from objects & symbols category
Faker::SlackEmoji.objects_and_symbols #=> ":alarm_clock:"

# Random Slack Emoji from custom category
Faker::SlackEmoji.custom #=> ":suspect:"

# Random Slack Emoji from any category
Faker::SlackEmoji.emoji #=> ":last_quarter_moon:"

Faker::Team

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# Random Team Creature
Faker::Team.creature #=> "gooses"

# Random Team Name created from random US State (Faker::Address.state) prepended to a random Team Creature
Faker::Team.name #=> "Oregon vixens"

# Random Team Sport
Faker::Team.sport #=> "lacrosse"

自定义

既然需要根据不同的地理位置来格式化不同的地理位置,Faker使用了I18n gem来存储string并进行格式化,允许根据不同的位置来切换格式。只需要设置Faker::Config.locale为你想要的位置,Faker就会自动管理接下来的一系列事情。

如果你的本地不存在这个文件,需要在\lib\locales\目录下进行创建,随后可以覆盖或添加合适的元素

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en-au-ocker:
  faker:
    name:
      # Existing faker field, new data
      first_name: [Charlotte, Ava, Chloe, Emily]

      # New faker fields
      ocker_first_name: [Bazza, Bluey, Davo, Johno, Shano, Shazza]
      region: [South East Queensland, Wide Bay Burnett, Margaret River, Port Pirie, Gippsland, Elizabeth, Barossa]

更多

更多详细可参见原文档

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