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ComplexValidationTester.cs
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ComplexValidationTester.cs
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#region License
// Copyright (c) .NET Foundation and contributors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// The latest version of this file can be found at https://github.com/FluentValidation/FluentValidation
#endregion
#pragma warning disable 1998
namespace FluentValidation.Tests {
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Results;
using Xunit;
public class ComplexValidationTester {
PersonValidator validator;
Person person;
public ComplexValidationTester() {
validator = new PersonValidator();
person = new Person {
Address = new Address {
Country = new Country()
},
Orders = new List<Order> {
new Order() {Amount = 5},
new Order() {ProductName = "Foo"}
}
};
}
[Fact]
public void Validates_complex_property() {
var results = validator.Validate(person);
results.Errors.Count.ShouldEqual(3);
results.Errors[0].PropertyName.ShouldEqual("Forename");
results.Errors[1].PropertyName.ShouldEqual("Address.Postcode");
results.Errors[2].PropertyName.ShouldEqual("Address.Country.Name");
}
[Fact]
public void Should_override_propertyName() {
var validator = new TestValidator {
v => v.RuleFor(x => x.Address).SetValidator(new AddressValidator())
.OverridePropertyName("Address2")
};
var results = validator.Validate(person);
results.Errors[0].PropertyName.ShouldEqual("Address2.Postcode");
}
[Fact]
public void Complex_validator_should_not_be_invoked_on_null_property() {
var results = validator.Validate(new Person());
results.Errors.Count.ShouldEqual(1);
}
[Fact]
public void Should_allow_normal_rules_and_complex_property_on_same_property() {
validator.RuleFor(x => x.Address.Line1).NotNull();
var result = validator.Validate(person);
result.Errors.Count.ShouldEqual(4);
}
[Fact]
public void Explicitly_included_properties_should_be_propagated_to_nested_validators() {
var results = validator.Validate(person, v => v.IncludeProperties(x => x.Address));
results.Errors.Count.ShouldEqual(2);
results.Errors.First().PropertyName.ShouldEqual("Address.Postcode");
results.Errors.Last().PropertyName.ShouldEqual("Address.Country.Name");
}
[Fact]
public void Explicitly_included_properties_should_be_propagated_to_nested_validators_using_strings() {
var results = validator.Validate(person, v => v.IncludeProperties("Address"));
results.Errors.Count.ShouldEqual(2);
results.Errors.First().PropertyName.ShouldEqual("Address.Postcode");
results.Errors.Last().PropertyName.ShouldEqual("Address.Country.Name");
}
[Fact]
public void Complex_property_should_be_excluded() {
var results = validator.Validate(person, v => v.IncludeProperties(x => x.Surname));
results.Errors.Count.ShouldEqual(0);
}
[Fact]
public void Condition_should_work_with_complex_property() {
var validator = new TestValidator() {
v => v.RuleFor(x => x.Address).SetValidator(new AddressValidator()).When(x => x.Address.Line1 == "foo")
};
var result = validator.Validate(person);
result.IsValid.ShouldBeTrue();
}
[Fact]
public async Task Condition_should_work_with_complex_property_when_invoked_async() {
var validator = new TestValidator() {
v => v.RuleFor(x => x.Address).SetValidator(new AddressValidator()).When(x => x.Address.Line1 == "foo")
};
var result = await validator.ValidateAsync(person);
result.IsValid.ShouldBeTrue();
}
[Fact]
public async Task Async_condition_should_work_with_complex_property() {
var validator = new TestValidator() {
v => v.RuleFor(x => x.Address).SetValidator(new AddressValidator()).WhenAsync(async (x, c) => x.Address.Line1 == "foo")
};
var result = await validator.ValidateAsync(person);
result.IsValid.ShouldBeTrue();
}
[Fact]
public void Async_condition_throws_when_validator_invoked_synchronously() {
var validator = new TestValidator() {
v => v.RuleFor(x => x.Address).SetValidator(new AddressValidator()).WhenAsync(async (x, c) => x.Address.Line1 == "foo")
};
Assert.Throws<AsyncValidatorInvokedSynchronouslyException>(() => validator.Validate(person));
}
[Fact]
public void Can_validate_using_validator_for_base_type() {
var addressValidator = new InlineValidator<IAddress>() {
v => v.RuleFor(x => x.Line1).NotNull()
};
var validator = new TestValidator {
v => v.RuleFor(x => x.Address).SetValidator(addressValidator)
};
var result = validator.Validate(new Person {Address = new Address()});
result.IsValid.ShouldBeFalse();
}
[Fact]
public void Can_directly_validate_multiple_fields_of_same_type() {
var sut = new TestObjectValidator();
var testObject = new TestObject {
Foo2 = new TestDetailObject() {Surname = "Bar"}
};
//Should not throw
sut.Validate(testObject);
}
[Fact]
public void Validates_child_validator_synchronously() {
var validator = new TracksAsyncCallValidator<Person>();
var addressValidator = new TracksAsyncCallValidator<Address>();
addressValidator.RuleFor(x => x.Line1).NotNull();
validator.RuleFor(x => x.Address).SetValidator(addressValidator);
validator.Validate(new Person() {Address = new Address()});
addressValidator.WasCalledAsync.ShouldEqual(false);
}
[Fact]
public void Validates_child_validator_asynchronously() {
var validator = new TracksAsyncCallValidator<Person>();
var addressValidator = new TracksAsyncCallValidator<Address>();
addressValidator.RuleFor(x => x.Line1).NotNull();
validator.RuleFor(x => x.Address).SetValidator(addressValidator);
validator.ValidateAsync(new Person() {Address = new Address()}).GetAwaiter().GetResult();
addressValidator.WasCalledAsync.ShouldEqual(true);
}
[Fact]
public void Multiple_rules_in_chain_with_childvalidator_shouldnt_reuse_accessor() {
var validator = new InlineValidator<Person>();
var addrValidator = new InlineValidator<Address>();
addrValidator.RuleFor(x => x.Line1).NotNull();
validator.RuleFor(x => x.Address).SetValidator(addrValidator)
.Must(a => a != null);
var result = validator.Validate(new Person() {Address = new Address()});
result.Errors.Count.ShouldEqual(1);
}
[Fact]
public async Task Multiple_rules_in_chain_with_childvalidator_shouldnt_reuse_accessor_async() {
var validator = new InlineValidator<Person>();
var addrValidator = new InlineValidator<Address>();
addrValidator.RuleFor(x => x.Line1).MustAsync((l, t) => Task.FromResult(l != null));
validator.RuleFor(x => x.Address).SetValidator(addrValidator)
.MustAsync((a, t) => Task.FromResult(a != null));
var result = await validator.ValidateAsync(new Person() {Address = new Address()});
result.Errors.Count.ShouldEqual(1);
}
public class TestObject {
public TestDetailObject Foo1 { get; set; }
public TestDetailObject Foo2 { get; set; }
}
public class TestDetailObject {
public string Surname { get; set; }
}
public class TestObjectValidator : AbstractValidator<TestObject> {
public TestObjectValidator() {
RuleFor(x => x.Foo1.Surname).NotEmpty().When(x => x.Foo1 != null);
RuleFor(x => x.Foo2.Surname).NotEmpty();
}
}
//[Fact]
//public void Should_not_infinite_loop() {
// var val = new InfiniteLoopValidator();
// var target = new InfiniteLoop();
// target.Property = new InfiniteLoop2 {Property = target};
// val.Validate(target);
//}
private static string PointlessMethod() {
return null;
}
public class PersonValidator : InlineValidator<Person> {
public PersonValidator() {
RuleFor(x => x.Forename).NotNull();
RuleFor(x => x.Address).SetValidator(new AddressValidator());
}
}
public class AddressValidator : AbstractValidator<Address> {
public AddressValidator() {
RuleFor(x => x.Postcode).NotNull();
RuleFor(x => x.Country).SetValidator(new CountryValidator());
}
}
public class CountryValidator : AbstractValidator<Country> {
public CountryValidator() {
RuleFor(x => x.Name).NotNull();
}
}
public class PointlessStringValidator : AbstractValidator<string> {
}
public class InfiniteLoop {
public InfiniteLoop2 Property { get; set; }
}
public class InfiniteLoop2 {
public InfiniteLoop Property { get; set; }
}
public class InfiniteLoopValidator : AbstractValidator<InfiniteLoop> {
public InfiniteLoopValidator() {
RuleFor(x => x.Property).SetValidator(new InfiniteLoop2Validator());
}
}
public class InfiniteLoop2Validator : AbstractValidator<InfiniteLoop2> {
public InfiniteLoop2Validator() {
RuleFor(x => x.Property).SetValidator(new InfiniteLoopValidator());
}
}
public class TracksAsyncCallValidator<T> : InlineValidator<T> {
public bool? WasCalledAsync;
public override ValidationResult Validate(ValidationContext<T> context) {
WasCalledAsync = false;
return base.Validate(context);
}
public override Task<ValidationResult> ValidateAsync(ValidationContext<T> context, CancellationToken cancellation = new CancellationToken()) {
WasCalledAsync = true;
return base.ValidateAsync(context, cancellation);
}
}
}
}