squidex/tests/Squidex.Domain.Apps.Core.Tests/Operations/ValidateContent/ValidationTestExtensions.cs

// ==========================================================================
//  Squidex Headless CMS
// ==========================================================================
//  Copyright (c) Squidex UG (haftungsbeschränkt)
//  All rights reserved. Licensed under the MIT license.
// ==========================================================================

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Squidex.Domain.Apps.Core.Schemas;
using Squidex.Domain.Apps.Core.ValidateContent;
using Squidex.Domain.Apps.Core.ValidateContent.Validators;
using Squidex.Infrastructure.Json.Objects;

namespace Squidex.Domain.Apps.Core.Operations.ValidateContent
{
    public static class ValidationTestExtensions
    {
        private static readonly Task<IReadOnlyList<Guid>> ValidReferences = Task.FromResult<IReadOnlyList<Guid>>(new List<Guid>());
        private static readonly Task<IReadOnlyList<IAssetInfo>> ValidAssets = Task.FromResult<IReadOnlyList<IAssetInfo>>(new List<IAssetInfo>());

        public static readonly ValidationContext ValidContext = new ValidationContext((x, y) => ValidReferences, x => ValidAssets);

        public static Task ValidateAsync(this IValidator validator, object value, IList<string> errors, ValidationContext context = null)
        {
            return validator.ValidateAsync(value,
                CreateContext(context),
                CreateFormatter(errors));
        }

        public static Task ValidateOptionalAsync(this IValidator validator, object value, IList<string> errors, ValidationContext context = null)
        {
            return validator.ValidateAsync(value,
                CreateContext(context).Optional(true),
                CreateFormatter(errors));
        }

        public static Task ValidateAsync(this IField field, IJsonValue value, IList<string> errors, ValidationContext context = null)
        {
            return new FieldValidator(ValidatorsFactory.CreateValidators(field).ToArray(), field).ValidateAsync(value,
                CreateContext(context),
                CreateFormatter(errors));
        }

        public static Task ValidateOptionalAsync(this IField field, IJsonValue value, IList<string> errors, ValidationContext context = null)
        {
            return new FieldValidator(ValidatorsFactory.CreateValidators(field).ToArray(), field).ValidateAsync(value,
                CreateContext(context).Optional(true),
                CreateFormatter(errors));
        }

        private static AddError CreateFormatter(IList<string> errors)
        {
            return (field, message) =>
            {
                if (field == null || !field.Any())
                {
                    errors.Add(message);
                }
                else
                {
                    errors.Add($"{field.ToPathString()}: {message}");
                }
            };
        }

        private static ValidationContext CreateContext(ValidationContext context)
        {
            return context ?? ValidContext;
        }

        public static ValidationContext Assets(params IAssetInfo[] assets)
        {
            var actual = Task.FromResult<IReadOnlyList<IAssetInfo>>(assets.ToList());

            return new ValidationContext((x, y) => ValidReferences, x => actual);
        }

        public static ValidationContext InvalidReferences(Guid referencesIds)
        {
            var actual = Task.FromResult<IReadOnlyList<Guid>>(new List<Guid> { referencesIds });

            return new ValidationContext((x, y) => actual, x => ValidAssets);
        }
    }
}