CHANGELOG.md

0.15.0

• Introduced validation failure for null root instances instead of throwing FluentValidation exceptions.
• Introduce abstract ValidationProfile<T> class.
• Added an optional Action<T> onSuccessValidation parameter to ExpressValidatorBuilder<TObj, TOptions>.AddFunc for handling successful validation of Func result.
• Refactor ExpressValidatorBuilder<TObj, TOptions>.Build to remove dependency on ExpressValidator<TObj, TOptions>.
• Deprecate the ExpressValidator<TObj, TOptions> class.
• Add internal PropertyValidationProcessor<TObj, T> class.
• Switch to using PropertyValidationProcessor<TObj, T> in ExpressPropertyValidator<TObj, T> and ExpressPropertyValidator<TObj, TOptions, T>.
• Refactor ExpressPropertyValidator<TObj, T> to set IsAsync in the constructor.
• Add internal utility TypeHelper<T> class with IsNull method and use it in TypeValidatorBase<T>.
• Introduce internal utility TypeTraits<T> class.
• Update to FluentValidation 12.1.1.
• Add internal static ValidationFallbackProvider class representing validation failure for a null instance.
• Add ExpressValidator.Tests.Net8.csproj for testing ExpressValidator when TargetFramework is net8.0.
• Update tests to System.ValueTuple 4.6.2.
• Improve test coverage for null handling.
• Update NuGet.md and README.md.

0.12.2

• Move the instance field TypeValidatorBase._shouldBeComparedToNull to a static readonly field (renamed to _canBeNull) to cache the reflection result per TypeValidatorBase<T> type and eliminate redundant per-instance evaluations.
• Remove the eagerly allocated NotNullValidationMessageProvider during ExpressValidatorBuilder configuration, and instantiate NotNullValidationMessageProvider<object, T> only when the value is null. Deprecate NotNullValidationMessageProvider.GetMessage(ValidationContext<T>).
• Update to FluentValidation 12.1.0.
• Rename private TypeValidatorBase.HasOnlyNullOrEmptyValidators to HasNonEmptyValidators (inverting the boolean logic) and remove the negation of this property in the ShouldValidate method.
• DRY refactor of null validation in TypeValidatorBase<T>.
• Add tests for null-tolerance validation in QuickValidator.
• Add test for validating a primitive type using ExpressValidatorBuilder.
• Add a unit test that verifies ExpressValidator does not throw when members are null and no null-related validators are used.
• Edit README.md and NuGet.md.

0.12.0

• Support .NET 8.0 and FluentValidation 12.0.0.
• Fix ExpressPropertyValidator<TObj, T> to prevent calling Func<TObj, T> propertyFunc twice when a success handler is present.
• Fix NU1504: Duplicate 'PackageReference' found
• Update NUnit NuGet package to v4.4.0.
• Add test for ValidateAsync with both WithValidation and WithAsyncValidation in ExpressValidatorBuilder.
• Add test to ensure synchronous Validate throws AsyncValidatorInvokedSynchronouslyException if the builder has async rules.
• Add a test for the ValidateAsync method with simulated external services.
• Add 'Asynchronous Validation' README Chapter.

0.10.0

• Introduced the QuickValidator.ValidateAsync<T>(T, Action<IRuleBuilderOptions<T, T>>, string, Action<T>, CancellationToken) extension method.
• Introduced the QuickValidator.ValidateAsync<T>(T, Action<IRuleBuilderOptions<T, T>>, PropertyNameMode, Action<T>, CancellationToken) extension method.
• Edit 'Quick Validation' README Chapter.
• Edit 'Quick Validation' NuGet README Chapter.

0.9.0

• Added quick validation support via QuickValidator and its Validate<T> overloads.
• Improve performance by applying options in ExpressValidator<TObj, TOptions> during the ExpressValidatorBuilder<TObj, TOptions>.Build call instead of at validation time.
• Introduce the Unit readonly struct.
• Add 'Nuances Of Using The Library' README Chapter.
• Add 'Nuances Of Using The Library' NuGet README Chapter.
• Add 'Quick Validation' README Chapter.
• Add 'Quick Validation' NuGet README Chapter.

0.5.0

• Introduced the IExpressValidatorBuilder<TObj, TOptions>.BuildAndValidate<TObj, TOptions>(TObj, TOptions) extension method.
• Introduced the IExpressValidatorBuilder<TObj, TOptions>.BuildAndValidateAsync<TObj, TOptions>(TObj, TOptions, CancellationToken) extension method.
• Introduced an optional Action<T> parameter in ExpressValidatorBuilder.AddFunc for handling successful Func result validation.
• Remove ConfigureAwait(false) in the loop where items are asynchronously added to List<ValidationFailure> as a precaution.
• Add 'Modifying FluentValidation Validator Parameters Using Options' chapter in README.

0.2.0

• Introduce IExpressValidatorBuilder<TObj>.BuildAndValidate(TObj obj) extension method.
• Introduce IExpressValidatorBuilder<TObj>.BuildAndValidateAsync(TObj, CancellationToken) extension method.
• Remove unused internal ExpressValidatorBuilder<TObj, TOptions>.Options property.
• Made the TObj parameter of the IExpressPropertyValidator<TObj, T>, IExpressPropertyValidator<in TObj, TOptions, T> interfaces contravariant.
• Add doc comments to the IExpressValidatorBuilder<TObj> interface.
• Add doc comments to the IExpressValidatorBuilder<TObj, TOptions> and ExpressValidatorBuilder<TObj, TOptions>.
• Add doc comments to the IBuilderWithPropValidator<TObj, TOptions, T> and BuilderWithPropValidator<TObj, TOptions, T>.
• Add documentation for the full API.
• Add documentation README Chapter.
• Change logo.

0.1.0

• Update to FluentValidation 11.11.0.
• Made the TOptions parameter of the IObjectValidator<TObj, TOptions> contravariant.
• Made the TObj parameter of the IObjectValidator, IObjectValidator<TObj, TOptions> interfaces contravariant.
• ExpressValidator codebase size reduced by moving PropertyInfoToFuncConverter class to bench project.
• Unreference the Benchmark.csproj project from reference to the 'ExpressValidator.csproj' project.
• Add the Rider-related .gitignore.
• Remove unused using directives.
• Update Benchmark.csproj nuget packages.

0.0.24

• Update to FluentValidation 11.10.0.
• Fix warnings in tests.
• Update to NUnit 4.2.2.

0.0.23

• Extract IExpressValidatorBuilder<TObj> interface.
• Extract IExpressValidatorBuilder<TObj, TOptions> interface.

0.0.21

• Introduce the possibility to dynamically change the parameters of the 'FluentValidation' validators. (via ExpressValidatorBuilder<TObj, TOptions>, ExpressValidator<TObj, TOptions> classes).
• Do not compare a non-nullable value type to null during pre-validation.
• Refactor adding object member to validate by introducing MemberInfoParser.ParseProperty, MemberInfoParser.ParseField methods.
• Slightly improve performance by using PropertyInfo.GetGetMethod to get a property from an object.
• Add benchmark to get the fastest way to get Func from PropertyInfo.
• Remove redundant overload of the PropertyInfo.GetTypedValue extension method.
• Remove redundant MemberInfoParser.TryParse method overload.
• Update to 'FluentValidation' 11.9.2.
• 'NUnit3TestAdapter' from 4.5.0 to 4.6.0.
• Move builder-related classes to the new 'ValidatorBuilders' folder.
• Update README.md and NuGet README.

0.0.16

• Support validation for nullable value types.
• Slightly improved performance by removing the restriction on the type of instance to validate in the TypeValidatorBase<T>.Prevalidate method.
• Make _nullMessageProvider, _propName and _rule TypeValidatorBase<T> class fields private instead of protected.
• Remove IExpressPropertyValidatorBase interface.
• Remove redundant ExpressPropertyValidator constructor.

0.0.14

• Introduce ExpressValidatorBuilder.AddFunc method.
• Update to FluentValidation 11.9.1.
• Made the BuilderWithPropValidator constructor internal.
• Add TObj generic param to IExpressPropertyValidator, ExpressPropertyValidator.

0.0.10

• Support for adding a field for validation - introduced ExpressValidatorBuilder.AddField method.
• Made IExpressPropertyValidatorBase internal.
• Get rid of the ExpressAsyncPropertyValidator, ExpressPropertyValidator classes, rename ExpressPropertyValidatorBase to ExpressPropertyValidator and use it in sync and async scenarios.
• Remove the BuilderWithPropValidator.PropertyValidator property, make the ExpressValidatorBuilder property private.
• Move IsAsync property from ExpressValidators to TypeValidators.