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不一样的虚假(Bogus)和骗子(Faker)

求索大伟 2022-02-04 阅读 78
gitsedico.Net编程语言

　　首先声明，Bogus是一个Nuget包的名称，Faker是它内部的一个类，这个库的作用就是模拟生成实体类的数据，特别适合测试时的场景，不用苦思冥想，辛辛苦苦来造不同的实体类了。当然，造出来的都是虚假的(Bogus)，骗人的(Faker)。它家在这里：https://github.com/bchavez/Bogus

　　假如我有个会员类

enum Sex
    {
        男,
        女
    }
    class Memmber
    {
        public Guid ID { get; set; }
        public long NO { get; set; }
        public string Name { get; set; }
        public Sex Sex { get; set; }
        public int Age { get; set; }
        public string Email { get; set; }
        public string Phone { get; set; }
        public decimal Balance { get; set; }
        public DateTime CreateOn { get; set; }
    }

　　这个类在测试时，要手动实例化，穿梭于各个层和方法中间，现在把构建这个类的对象(实例)，交给Bogus。

　　首先引入Bogus包

Install-Package Bogus

　　接下来就可以告诉Faker怎么来“骗人”了

var options = new JsonSerializerOptions();
options.Encoder = System.Text.Encodings.Web.JavaScriptEncoder.Create(UnicodeRanges.All);
while (true)
{
    var personFaker = new Faker<Memmber>()
        .RuleFor(x => x.ID, x => x.Random.Guid())
        .RuleFor(x=>x.NO,x=>x.Random.Long(100000000000,999999999999))
        .RuleFor(x => x.Name, x => x.Person.LastName + x.Person.FirstName)
        .RuleFor(x => x.Sex, x => x.Random.Enum<Sex>())
        .RuleFor(x => x.Email, x => x.Person.Email)
        .RuleFor(x => x.Phone, x => x.Person.Phone)
        .RuleFor(x => x.Age, x => x.Random.Int(0, 120))
        .RuleFor(x=>x.Balance,x=>x.Finance.Amount(0,1000))                    
        .RuleFor(x => x.CreateOn, x => x.Date.Past(1));

    Console.WriteLine(JsonSerializer.Serialize(personFaker.Generate(), options));
    Console.ReadLine();
}

看一下效果：

{
  "ID":"5f3d97f6-52da-7fb6-e73f-153fd3a41bfb",
  "NO":539140308276,
  "Name":"KoeppErick",
  "Sex":0,
  "Age":48,
  "Email":"Erick.Koepp@hotmail.com",
  "Phone":"(899) 392-6546",
  "Balance":45.34,
  "CreateOn":"2021-02-14T13:32:19.892062+09:00"
}

看来，Faker是通过RuleFor来给每个属性来模拟那种格式的数据的，比如RuleFor(x => x.Email, x => x.Person.Email)，告诉Faker，这是一个Email格式，记得骗人的时候，给人家一个email格式的数据，内容随便你，那问题来了，是不是有一大组格式呢？当然，这也是这个库的作用，都有哪些？

Bogus API Support

  • ​Address​
  • ​ZipCode​ - Get a zipcode.
  • ​City​ - Get a city name.
  • ​StreetAddress​ - Get a street address.
  • ​CityPrefix​ - Get a city prefix.
  • ​CitySuffix​ - Get a city suffix.
  • ​StreetName​ - Get a street name.
  • ​BuildingNumber​ - Get a building number.
  • ​StreetSuffix​ - Get a street suffix.
  • ​SecondaryAddress​ - Get a secondary address like 'Apt. 2' or 'Suite 321'.
  • ​County​ - Get a county.
  • ​Country​ - Get a country.
  • ​FullAddress​ - Get a full address like Street, City, Country.
  • ​CountryCode​ - Get a random ISO 3166-1 country code.
  • ​State​ - Get a random state state.
  • ​StateAbbr​ - Get a state abbreviation.
  • ​Latitude​ - Get a Latitude.
  • ​Longitude​ - Get a Longitude.
  • ​Direction​ - Generates a cardinal or ordinal direction. IE: Northwest, South, SW, E.
  • ​CardinalDirection​ - Generates a cardinal direction. IE: North, South, E, W.
  • ​OrdinalDirection​ - Generates an ordinal direction. IE: Northwest, Southeast, SW, NE.
  • ​Commerce​

  • ​Department​ - Get a random commerce department.

  • ​Price​ - Get a random product price.

  • ​Categories​ - Get random product categories.

  • ​ProductName​ - Get a random product name.

  • ​Color​ - Get a random color.

  • ​Product​ - Get a random product.

  • ​ProductAdjective​ - Random product adjective.

  • ​ProductMaterial​ - Random product material.

  • ​Ean8​ - Get a random EAN-8 barcode number.

  • ​Ean13​ - Get a random EAN-13 barcode number.

  • ​Company​

  • ​CompanySuffix​ - Get a company suffix. "Inc" and "LLC" etc.

  • ​CompanyName​ - Get a company name.

  • ​CatchPhrase​ - Get a company catch phrase.

  • ​Bs​ - Get a company BS phrase.

  • ​Database​

  • ​Column​ - Generates a column name.

  • ​Type​ - Generates a column type.

  • ​Collation​ - Generates a collation.

  • ​Engine​ - Generates a storage engine.

  • ​Date​

  • ​Past​ - Get a ​DateTime​ in the past between ​refDate​ and ​yearsToGoBack​.

  • ​PastOffset​ - Get a ​DateTimeOffset​ in the past between ​refDate​ and ​yearsToGoBack​.

  • ​Soon​ - Get a ​DateTime​ that will happen soon.

  • ​SoonOffset​ - Get a ​DateTimeOffset​ that will happen soon.

  • ​Future​ - Get a ​DateTime​ in the future between ​refDate​ and ​yearsToGoForward​.

  • ​FutureOffset​ - Get a ​DateTimeOffset​ in the future between ​refDate​ and ​yearsToGoForward​.

  • ​Between​ - Get a random ​DateTime​ between ​start​ and ​end​.

  • ​BetweenOffset​ - Get a random ​DateTimeOffset​ between ​start​ and ​end​.

  • ​Recent​ - Get a random ​DateTime​ within the last few days.

  • ​RecentOffset​ - Get a random ​DateTimeOffset​ within the last few days.

  • ​Timespan​ - Get a random ​TimeSpan.

  • ​Month​ - Get a random month

  • ​Weekday​ - Get a random weekday

  • ​Finance​

  • ​Account​ - Get an account number. Default length is 8 digits.

  • ​AccountName​ - Get an account name. Like "savings", "checking", "Home Loan" etc..

  • ​Amount​ - Get a random amount. Default 0 - 1000.

  • ​TransactionType​ - Get a transaction type: "deposit", "withdrawal", "payment", or "invoice".

  • ​Currency​ - Get a random currency.

  • ​CreditCardNumber​ - Generate a random credit card number with valid Luhn checksum.

  • ​CreditCardCvv​ - Generate a credit card CVV

  • ​BitcoinAddress​ - Generates a random Bitcoin address.

  • ​EthereumAddress​ - Generate a random Ethereum address.

  • ​RoutingNumber​ - Generates an ABA routing number with valid check digit.

  • ​Bic​ - Generates Bank Identifier Code (BIC) code.

  • ​Iban​ - Generates an International Bank Account Number (IBAN).

  • ​Hacker​

  • ​Abbreviation​ - Returns an abbreviation.

  • ​Adjective​ - Returns a adjective.

  • ​Noun​ - Returns a noun.

  • ​Verb​ - Returns a verb.

  • ​IngVerb​ - Returns a verb ending with -ing.

  • ​Phrase​ - Returns a phrase.

  • ​Images​

  • ​Abstract​ - Gets an abstract looking image.

  • ​Animals​ - Gets an image of an animal.

  • ​Business​ - Gets a business looking image.

  • ​Cats​ - Gets a picture of a cat.

  • ​City​ - Gets a city looking image.

  • ​Food​ - Gets an image of food.

  • ​Nightlife​ - Gets an image with city looking nightlife.

  • ​Fashion​ - Gets an image in the fashion category.

  • ​People​ - Gets an image of humans.

  • ​Nature​ - Gets an image of nature.

  • ​Sports​ - Gets an image related to sports.

  • ​Technics​ - Get a technology related image.

  • ​Transport​ - Get a transportation related image.

  • ​DataUri​ - Get a SVG data URI image with a specific width and height.

  • ​PicsumUrl​ - Get an image from the https://picsum.photos service.

  • ​PlaceholderUrl​ - Get an image from https://placeholder.com service.

  • ​LoremFlickrUrl​ - Get an image from https://loremflickr.com service.

  • ​LoremPixelUrl​ - Creates an image URL with http://lorempixel.com. Note: This service is slow. Consider using PicsumUrl() as a faster alternative.

  • ​Internet​

  • ​Avatar​ - Generates a legit Internet URL avatar from twitter accounts.

  • ​Email​ - Generates an email address.

  • ​ExampleEmail​ - Generates an example email with @example.com.

  • ​UserName​ - Generates user names.

  • ​UserNameUnicode​ - Generates a user name preserving Unicode characters.

  • ​DomainName​ - Generates a random domain name.

  • ​DomainWord​ - Generates a domain word used for domain names.

  • ​DomainSuffix​ - Generates a domain name suffix like .com, .net, .org

  • ​Ip​ - Gets a random IPv4 address string.

  • ​Port​ - Generates a random port number.

  • ​IpAddress​ - Gets a random IPv4 IPAddress type.

  • ​IpEndPoint​ - Gets a random IPv4 IPEndPoint.

  • ​Ipv6​ - Generates a random IPv6 address string.

  • ​Ipv6Address​ - Generate a random IPv6 IPAddress type.

  • ​Ipv6EndPoint​ - Gets a random IPv6 IPEndPoint.

  • ​UserAgent​ - Generates a random user agent.

  • ​Mac​ - Gets a random mac address.

  • ​Password​ - Generates a random password.

  • ​Color​ - Gets a random aesthetically pleasing color near the base RGB. See here.

  • ​Protocol​ - Returns a random protocol. HTTP or HTTPS.

  • ​Url​ - Generates a random URL.

  • ​UrlWithPath​ - Get an absolute URL with random path.

  • ​UrlRootedPath​ - Get a rooted URL path like: /foo/bar. Optionally with file extension.

  • ​Lorem​

  • ​Word​ - Get a random lorem word.

  • ​Words​ - Get an array of random lorem words.

  • ​Letter​ - Get a character letter.

  • ​Sentence​ - Get a random sentence of specific number of words.

  • ​Sentences​ - Get some sentences.

  • ​Paragraph​ - Get a paragraph.

  • ​Paragraphs​ - Get a specified number of paragraphs.

  • ​Text​ - Get random text on a random lorem methods.

  • ​Lines​ - Get lines of lorem.

  • ​Slug​ - Slugify lorem words.

  • ​Name​

  • ​FirstName​ - Get a first name. Getting a gender specific name is only supported on locales that support it.

  • ​LastName​ - Get a last name. Getting a gender specific name is only supported on locales that support it.

  • ​FullName​ - Get a full name, concatenation of calling FirstName and LastName.

  • ​Prefix​ - Gets a random prefix for a name.

  • ​Suffix​ - Gets a random suffix for a name.

  • ​FindName​ - Gets a full name.

  • ​JobTitle​ - Gets a random job title.

  • ​JobDescriptor​ - Get a job description.

  • ​JobArea​ - Get a job area expertise.

  • ​JobType​ - Get a type of job.

  • ​Phone​

  • ​PhoneNumber​ - Get a phone number.

  • ​PhoneNumberFormat​ - Gets a phone number based on the locale's phone_number.formats[] array index.

  • ​Rant​

  • ​Review​ - Generates a random user review.

  • ​Reviews​ - Generate an array of random reviews.

  • ​System​

  • ​FileName​ - Get a random file name.

  • ​DirectoryPath​ - Get a random directory path (Unix).

  • ​FilePath​ - Get a random file path (Unix).

  • ​CommonFileName​ - Generates a random file name with a common file extension.

  • ​MimeType​ - Get a random mime type

  • ​CommonFileType​ - Returns a commonly used file type.

  • ​CommonFileExt​ - Returns a commonly used file extension.

  • ​FileType​ - Returns any file type available as mime-type.

  • ​FileExt​ - Gets a random extension for the given mime type.

  • ​Semver​ - Get a random semver version string.

  • ​Version​ - Get a random ​Version.

  • ​Exception​ - Get a random ​Exception​ with a fake stack trace.

  • ​AndroidId​ - Get a random GCM registration ID.

  • ​ApplePushToken​ - Get a random Apple Push Token

  • ​BlackBerryPin​ - Get a random BlackBerry Device PIN

  • ​Vehicle​

  • ​Vin​ - Generate a vehicle identification number (VIN).

  • ​Manufacturer​ - Get a vehicle manufacture name. IE: Toyota, Ford, Porsche.

  • ​Model​ - Get a vehicle model. IE: Camry, Civic, Accord.

  • ​Type​ - Get a vehicle type. IE: Minivan, SUV, Sedan.

  • ​Fuel​ - Get a vehicle fuel type. IE: Electric, Gasoline, Diesel.

  • ​Random/​Randomizer​

  • ​Number​ - Get an int from 0 to max.

  • ​Digits​ - Get a random sequence of digits.

  • ​Even​ - Returns a random even number.

  • ​Odd​ - Returns a random odd number.

  • ​Double​ - Get a random double, between 0.0 and 1.0.

  • ​Decimal​ - Get a random decimal, between 0.0 and 1.0.

  • ​Float​ - Get a random float, between 0.0 and 1.0.

  • ​Byte​ - Generate a random byte between 0 and 255.

  • ​Bytes​ - Get a random sequence of bytes.

  • ​SByte​ - Generate a random sbyte between -128 and 127.

  • ​Int​ - Generate a random int between MinValue and MaxValue.

  • ​UInt​ - Generate a random uint between MinValue and MaxValue.

  • ​ULong​ - Generate a random ulong between -128 and 127.

  • ​Long​ - Generate a random long between MinValue and MaxValue.

  • ​Short​ - Generate a random short between MinValue and MaxValue.

  • ​UShort​ - Generate a random ushort between MinValue and MaxValue.

  • ​Char​ - Generate a random char between MinValue and MaxValue.

  • ​Chars​ - Generate a random chars between MinValue and MaxValue.

  • ​String​ - Get a string of characters of a specific length.

  • ​String2​ - Get a string of characters with a specific length drawing characters from ​chars.

  • ​Hash​ - Return a random hex hash. Default 40 characters, aka SHA-1.

  • ​Bool​ - Get a random boolean.

  • ​ArrayElement<T>​ - Get a random array element.

  • ​ArrayElement​ - Get a random array element.

  • ​ArrayElements<T>​ - Get a random subset of an array.

  • ​ListItem<T>​ - Get a random list item.

  • ​ListItems<T>​ - Get a random subset of a List.

  • ​CollectionItem<T>​ - Get a random collection item.

  • ​ReplaceNumbers​ - Replaces symbols with numbers.

  • ​ReplaceSymbols​ - Replaces each character instance in a string.

  • ​Replace​ - Replaces symbols with numbers and letters. # = number, ? = letter, * = number or letter.

  • ​ClampString​ - Clamps the length of a string between min and max characters.

  • ​Enum<T>​ - Picks a random Enum of T. Works only with Enums.

  • ​Shuffle<T>​ - Shuffles an IEnumerable source.

  • ​Word​ - Returns a single word or phrase in English.

  • ​Words​ - Gets some random words and phrases in English.

  • ​WordsArray​ - Get a range of words in an array (English).

  • ​Guid​ - Get a random GUID.

  • ​Uuid​ - Get a random GUID. Alias for Randomizer.Guid().

  • ​RandomLocale​ - Returns a random locale.

  • ​AlphaNumeric​ - Returns a random set of alpha numeric characters 0-9, a-z.

  • ​Hexadecimal​ - Generates a random hexadecimal string.

  • ​WeightedRandom<T>​ - Returns a selection of T[] based on a weighted distribution of probability.

　　是不是挺丰富的，一般场景应该够用了，如果有特殊数据模拟，也只能自已动手了。


　　对，我是一个祖国的程序员，Member类生成的实例是外国的，这不行，换一下：

var options = new JsonSerializerOptions();
            options.Encoder = System.Text.Encodings.Web.JavaScriptEncoder.Create(UnicodeRanges.All);
            while (true)
            {
                var personFaker = new Faker<Memmber>("zh_CN")
                    .RuleFor(x => x.ID, x => x.Random.Guid())
                    .RuleFor(x=>x.NO,x=>x.Random.Long(100000000000,999999999999))
                    .RuleFor(x => x.Name, x => x.Person.LastName + x.Person.FirstName)
                    .RuleFor(x => x.Sex, x => x.Random.Enum<Sex>())
                    .RuleFor(x => x.Email, x => x.Person.Email)
                    .RuleFor(x => x.Phone, x => x.Person.Phone)
                    .RuleFor(x => x.Age, x => x.Random.Int(0, 120))
                    .RuleFor(x=>x.Balance,x=>x.Finance.Amount(0,1000))                    
                    .RuleFor(x => x.CreateOn, x => x.Date.Past(1));

                Console.WriteLine(JsonSerializer.Serialize(personFaker.Generate(), options));
                Console.ReadLine();
            }

　　只需要在new Faker<T>时告这个骗子是要骗祖国的程序，就可以了，看结果吧：

{
  "ID":"219d56ca-ea21-3a02-84b5-d9950ae8f384",
  "NO":362783628351,
  "Name":"徐思远",
  "Sex":0,
  "Age":100,
  "Email":"40@gmail.com",
  "Phone":"024-65735687",
  "Balance":623.22,
  "CreateOn":"2021-01-19T19:38:30.1504231+09:00"
}

其中的名字还真像个真人名，电话号也换成祖国的了。

那还支持其他国家吗？当然

Locale Code

Language


Locale Code

Language

af_ZA

Afrikaans


fr_CH

French  (Switzerland)

ar

Arabic


ge

Georgian

az

Azerbaijani


hr

Hrvatski

cz

Czech


id_ID

Indonesia

de

German


it

Italian

de_AT

German  (Austria)


ja

Japanese

de_CH

German  (Switzerland)


ko

Korean

el

Greek


lv

Latvian

en

English


nb_NO

Norwegian

en_AU

English  (Australia)


ne

Nepalese

en_AU_ocker

English  (Australia Ocker)


nl

Dutch

en_BORK

English (Bork)


nl_BE

Dutch  (Belgium)

en_CA

English  (Canada)


pl

Polish

en_GB

English (Great  Britain)


pt_BR

Portuguese  (Brazil)

en_IE

English  (Ireland)


pt_PT

Portuguese  (Portugal)

en_IND

English  (India)


ro

Romanian

en_NG

Nigeria  (English)


ru

Russian

en_US

English  (United States)


sk

Slovakian

en_ZA

English (South  Africa)


sv

Swedish

es

Spanish


tr

Turkish

es_MX

Spanish  (Mexico)


uk

Ukrainian

fa

Farsi


vi

Vietnamese

fi

Finnish


zh_CN

Chinese

fr

French


zh_TW

Chinese  (Taiwan)

fr_CA

French  (Canada)


zu_ZA

Zulu (South  Africa)


其实还有Bogus有很多其他功能，大家可以自行探索。


　　想要更快更方便的了解相关知识，可以关注微信公众号 


不一样的虚假(Bogus)和骗子(Faker)_ico


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