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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Net.Http;
using System.Text;
using FormatterWebSite.Models;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Newtonsoft.Json;
namespace Microsoft.AspNetCore.Mvc.FunctionalTests;
/// <summary>
/// Functional tests for verifying the impact of using <see cref="MvcOptions.ValidateComplexTypesIfChildValidationFails"/>
/// </summary>
public class InputParentValidationTests
{
public abstract class BaseTests<TStartup> : IClassFixture<MvcTestFixture<TStartup>>
where TStartup : class
{
protected BaseTests(MvcTestFixture<TStartup> fixture)
{
var factory = fixture.Factories.FirstOrDefault() ?? fixture.WithWebHostBuilder(builder =>
builder.UseStartup<TStartup>());
Client = factory.CreateDefaultClient();
}
protected abstract bool ShouldParentBeValidatedWhenChildIsInvalid { get; }
private HttpClient Client { get; }
[Fact]
public async Task ParentObjectValidation_RespectsMvcOptions_WhenChildIsInvalid()
{
// Arrange
var content = CreateInvalidModel(false);
var expectedErrors = this.GetExpectedErrors(this.ShouldParentBeValidatedWhenChildIsInvalid, true);
// Act
var response = await Client.PostAsync("http://localhost/Validation/CreateInvalidModel", content);
// Assert
Assert.Equal(StatusCodes.Status400BadRequest, (int)response.StatusCode);
var responseContent = await response.Content.ReadAsStringAsync();
var actualErrors = JsonConvert.DeserializeObject<Dictionary<string, string[]>>(responseContent);
Assert.Equal(expectedErrors, actualErrors);
}
[Fact]
public async Task ParentObjectIsValidated_WhenChildIsValid()
{
// Arrange
var content = CreateInvalidModel(true);
var expectedErrors = this.GetExpectedErrors(true, false);
// Act
var response = await Client.PostAsync("http://localhost/Validation/CreateInvalidModel", content);
// Assert
Assert.Equal(StatusCodes.Status400BadRequest, (int)response.StatusCode);
var responseContent = await response.Content.ReadAsStringAsync();
var actualErrors = JsonConvert.DeserializeObject<Dictionary<string, string[]>>(responseContent);
Assert.Equal(expectedErrors, actualErrors);
}
private StringContent CreateInvalidModel(bool isChildValid)
{
var model = new InvalidModel()
{
Name = (isChildValid ? "Valid Name" : null)
};
return new StringContent(JsonConvert.SerializeObject(model), Encoding.UTF8, "application/json");
}
private IDictionary<string, string[]> GetExpectedErrors(bool parentInvalid, bool childInvalid)
{
var result = new Dictionary<string, string[]>();
if (parentInvalid)
{
result.Add(string.Empty, new string[] { "The model is not valid." });
}
if (childInvalid)
{
result.Add("Name", new string[] { "The Name field is required." });
}
return result;
}
}
/// <summary>
/// Scenarios for verifying the impact of setting <see cref="MvcOptions.ValidateComplexTypesIfChildValidationFails"/>
/// to <see langword="true"/>
/// </summary>
public class ParentValidationScenarios : BaseTests<FormatterWebSite.StartupWithComplexParentValidation>
{
public ParentValidationScenarios(MvcTestFixture<FormatterWebSite.StartupWithComplexParentValidation> fixture)
: base(fixture)
{
}
protected override bool ShouldParentBeValidatedWhenChildIsInvalid => true;
}
/// <summary>
/// Scenarios for verifying the impact of leaving <see cref="MvcOptions.ValidateComplexTypesIfChildValidationFails"/>
/// to its default <see langword="false"/> value
/// </summary>
public class ParentNonValidationScenarios : BaseTests<FormatterWebSite.Startup>
{
public ParentNonValidationScenarios(MvcTestFixture<FormatterWebSite.Startup> fixture)
: base(fixture)
{
}
protected override bool ShouldParentBeValidatedWhenChildIsInvalid => false;
}
}
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