FluentValidation 8.5.0-preview1

A validation library for .NET that uses a fluent interface to construct strongly-typed validation rules.

This is a prerelease version of FluentValidation.
There is a newer version of this package available.
See the version list below for details.
Install-Package FluentValidation -Version 8.5.0-preview1
dotnet add package FluentValidation --version 8.5.0-preview1
<PackageReference Include="FluentValidation" Version="8.5.0-preview1" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add FluentValidation --version 8.5.0-preview1
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Release Notes

FluentValidation 8 is a major release. Please read the upgrade notes at https://fluentvalidation.net/upgrading-to-8

Changes in 8.4.0:
* Added simplified version of several messages across all translations to aid with ASP.NET Clientside validation.
* New enum validator for string properties.

Changes in 8.3.0:
* Fix issue in ASP.NET Core integration with GetServiceProvider not working correctly when invoked against a CustomContext/MessageBuilderContext.
* Improved how LanguageStringSource works with error-code overrides.
* Fix thread-safety issue with use of PropertyValidatorOptions.Empty (now removed).
* Improved how calls to When/Unless are handled internally.
* DelegatingValidator is now marked as deprecated.
* Improvements to Croatian language translations.
* Improvements to Georgian language translations.
* Resolved subtle bug where top-level WhenAsync wouldn't work correctly when wrapping a top-level call to When.

Changes in 8.2.3:
* Fix issue in WebApi integration where DataAnnotations validators could generate duplicate messages when in the same project as FluentValidation.

Changes in 8.2.2:
* Fix FluentValidation.DependencyInjection package name.

Changes in 8.2.1:
* Resolved issue using InjectValidator with RuleForEach.
* Add support for a default IValidatorInterceptor to be registered with the ASP.NET Core Service Provider.

Changes in 8.2.0:
* Add extensions for injecting child validators using the ASP.NET Core Service Provider.
* Implement RuleFor(...).ForEach(...) as an alternative to RuleForEach.
* WithLocalizedMessage is deprecated. Use the overload of WithMessage that takes a Func instead.

Changes in 8.1.3:
* Resolved issue where clientside validation was incorrectly generating metadata for rules with shared conditions.
* ScalePrecisionValidator now has a public method in the fluent interface.
* Fix placeholder names in ScalePrecisionValidator for consistency.
* Updates to Portuguese (Brazil) translations.

Changes in 8.1.2:
* Fix issue where shared When/Unless conditions didn't execute correctly when used with RuleForEach.
       
Changes in 8.1.1:
* Added RuleSetsExecuted property on ValidationResult.
* Resolved issue introduced in 8.1 where the shared condition cache does not work correctly with RuleForEach (#970).

Changes in 8.1:
* Add format support in message placeholders.
* Added support for overriding indexers for collection rules.
* Allow error codes to be used to override localization key in the Language Manager.
* Additional error details are now shown in the ShouldNotHaveValidationErrorFor test extension.
* Conditions defined with root-level When/WhenAsync/Unless/UnlessAsync are now only executed once (instead of once for each rule).
* Support Otherwise method chained from root-level When/WhenAsync/Unless/UnlessAsync.
* Minor wording changes to default English error messages.
* Japanese translation of the default error messages.
* Added Skip property to MVC5's CustomizeValidatorAttribute for parity with AspNetCore and WebApi.
* Remove type constraint on the OverridePropertyName overload that takes an expression.

Added Skip property to MVC5's CustomizeValidatorAttribute to bring parity with AspNetCore and WebApi integration.
Changes in 8.0:
* Support validating only specific properties by path.
* Added OnFailure method
* Deprecated RuleFor(..).SetCollectionValidator in favour of RuleForEach(...).SetValidator
* IStringSource.GetString now takes a validation context instead of a model instance.
* Introduce PropertyValidatorOptions in order to clean up the IPropretyValidator interface.
* Moved the legacy ValidatorAttribute and AttributedValidatorFactory into a separate FluentValidation.Attributes package.
* Remove the pre-7.0 localization mechanism
* Remove the pre-7.0 methods for custom validation
* Removed many other deprecated methods

Full release notes can be found at https://github.com/JeremySkinner/FluentValidation/blob/master/Changelog.txt

NuGet packages (588)

Showing the top 5 NuGet packages that depend on FluentValidation:

Package Downloads
FluentValidation.AspNetCore
AspNetCore integration for FluentValidation
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
FluentValidation.WebAPI
ASP.NET WebApi integration for FluentValidation
FluentValidation.MVC5
ASP.NET MVC 5 integration for FluentValidation
Ocelot
Ocelot is an API Gateway. The project is aimed at people using .NET running a micro services / service orientated architecture that need a unified point of entry into their system. In particular I want easy integration with IdentityServer reference and bearer tokens. reference tokens. Ocelot is a bunch of middlewares in a specific order. Ocelot manipulates the HttpRequest object into a state specified by its configuration until it reaches a request builder middleware where it creates a HttpRequestMessage object which is used to make a request to a downstream service. The middleware that makes the request is the last thing in the Ocelot pipeline. It does not call the next middleware. The response from the downstream service is stored in a per request scoped repository and retrived as the requests goes back up the Ocelot pipeline. There is a piece of middleware that maps the HttpResponseMessage onto the HttpResponse object and that is returned to the client. That is basically it with a bunch of other features.

GitHub repositories (64)

Showing the top 5 popular GitHub repositories that depend on FluentValidation:

Repository Stars
aspnetboilerplate/aspnetboilerplate
ASP.NET Boilerplate - Web Application Framework
NancyFx/Nancy
Lightweight, low-ceremony, framework for building HTTP based services on .Net and Mono
Sonarr/Sonarr
Smart PVR for newsgroup and bittorrent users.
ThreeMammals/Ocelot
.NET core API Gateway
Radarr/Radarr
A fork of Sonarr to work with movies à la Couchpotato.

Version History

Version Downloads Last updated
9.0.1 92,837 7/14/2020
9.0.0-preview5 15,175 5/23/2020
9.0.0-preview4 23,023 4/22/2020
9.0.0-preview3 49,437 2/29/2020
9.0.0-preview2 12,339 2/21/2020
9.0.0-preview1 25,223 2/8/2020
8.6.2 3,220,207 2/29/2020
8.6.1 2,627,607 12/28/2019
8.6.0 1,290,571 12/4/2019
8.5.1 1,126,918 11/2/2019
8.5.0 1,709,124 9/24/2019
8.5.0-preview5 39,627 9/1/2019
8.5.0-preview4 66,936 7/23/2019
8.5.0-preview3 25,425 7/10/2019
8.5.0-preview2 34,079 6/13/2019
8.5.0-preview1 40,463 5/10/2019
8.4.0 5,232,596 5/10/2019
8.3.0 791,974 4/24/2019
8.2.3 281,887 4/12/2019
8.2.2 433,655 4/5/2019
8.2.1 71,905 4/4/2019
8.2.0 467,624 3/26/2019
8.1.3 2,679,085 1/25/2019
8.1.2 1,081,674 12/18/2018
8.1.1 310,003 12/11/2018
8.1.0 222,292 12/6/2018
8.1.0-preview2 24,923 11/14/2018
8.1.0-preview1 24,950 10/14/2018
8.0.101 360,909 11/24/2018
8.0.100 1,950,240 9/4/2018
8.0.0 432,540 8/16/2018
8.0.0-rc1 33,972 7/24/2018
8.0.0-preview4 21,734 7/16/2018
8.0.0-preview3 20,582 7/13/2018
8.0.0-preview2 20,339 7/13/2018
7.6.105 422,507 8/11/2018
7.6.104 1,398,059 7/6/2018
7.6.103 607,308 6/16/2018
7.6.102 145,928 6/14/2018
7.6.101 58,641 6/13/2018
7.6.100 119,323 6/7/2018
7.6.0 224,043 6/1/2018
7.6.0-preview1 30,070 4/12/2018
7.5.2 1,667,799 3/16/2018
7.5.1 144,494 3/11/2018
7.5.0 456,127 2/26/2018
7.4.0 658,088 1/26/2018
7.3.4 545,745 1/2/2018
7.3.3 129,298 12/22/2017
7.3.2 42,342 12/21/2017
7.3.1 163,293 12/13/2017
7.3.0 30,986 12/13/2017
7.3.0-beta3 25,049 12/8/2017
7.3.0-beta2 36,303 11/20/2017
7.3.0-beta1 22,001 11/11/2017
7.2.1 1,350,749 10/24/2017
7.2.0 445,768 10/5/2017
7.2.0-beta3 37,348 9/5/2017
7.2.0-beta2 23,634 8/22/2017
7.2.0-beta1 20,498 8/19/2017
7.1.1 953,833 7/25/2017
7.1.0 302,208 6/28/2017
7.1.0-beta1 20,350 6/24/2017
7.0.3 241,862 6/7/2017
7.0.2 153,187 5/26/2017
7.0.1 55,216 5/23/2017
7.0.0 201,422 5/19/2017
7.0.0-beta3 24,269 5/1/2017
7.0.0-beta2 23,969 4/17/2017
7.0.0-beta1 21,506 4/7/2017
6.4.1 640,341 3/15/2017
6.4.1-beta1 21,252 3/13/2017
6.4.0 465,856 3/3/2017
6.4.0-rc4 142,440 2/13/2017
6.4.0-rc3 29,827 2/3/2017
6.4.0-rc2 36,438 1/30/2017
6.4.0-rc1 20,359 1/30/2017
6.4.0-beta9 75,562 11/21/2016
6.4.0-beta8 45,817 10/31/2016
6.4.0-beta7 20,908 10/28/2016
6.4.0-beta6 21,323 10/25/2016
6.4.0-beta5 21,021 10/24/2016
6.4.0-beta4 21,052 10/21/2016
6.4.0-beta3 62,117 7/4/2016
6.4.0-beta2 21,885 7/1/2016
6.4.0-beta10 20,205 1/30/2017
6.4.0-beta1 24,040 6/28/2016
6.3.4-alpha 199,240 6/1/2016
6.3.3-alpha 20,631 5/27/2016
6.2.1 2,132,573 2/26/2016
6.2.1-beta1 24,440 2/24/2016
6.2.0 73,313 2/22/2016
6.2.0-beta1 20,677 2/12/2016
6.1.0 227,740 1/18/2016
6.0.2 85,831 1/5/2016
6.0.1 32,909 1/5/2016
6.0.0 59,512 12/22/2015
5.6.2 755,784 5/29/2015
5.6.1 26,485 5/29/2015
5.5.0 577,304 10/31/2014
5.4.0 329,208 7/3/2014
5.3.0 73,115 5/27/2014
5.2.0 46,580 5/21/2014
5.1.0 343,778 3/11/2014
5.0.0.1 191,848 10/24/2013
4.0.0.1 158,224 7/18/2013
4.0.0 84,240 4/29/2013
3.4.6 210,090 8/30/2012
3.4.0 46,639 8/17/2012
3.3.1 40,202 3/30/2012
3.2.0 53,195 11/14/2011
3.1.0 46,827 7/30/2011
3.0.0.1 22,429 7/5/2011
3.0.0 25,782 6/25/2011
2.0.0 39,311 1/9/2011
1.3.0 41,316 1/7/2011
Show less