Umbraco-CMS/tests/Umbraco.Tests.UnitTests/Umbraco.Web.Common/Extensions/ImageCropperTemplateCoreExtensionsTests.cs

// Copyright (c) Umbraco.
// See LICENSE for more details.

using System.Collections.Generic;
using Moq;
using NUnit.Framework;
using Umbraco.Cms.Core.Media;
using Umbraco.Cms.Core.Models;
using Umbraco.Cms.Core.PropertyEditors.ValueConverters;
using Umbraco.Extensions;

namespace Umbraco.Cms.Tests.UnitTests.Umbraco.Web.Common.Extensions
{
    [TestFixture]
    public class ImageCropperTemplateCoreExtensionsTests
    {
        [Test]
        public void GetCropUrl_WithCropSpecifiedButNotFound_ReturnsNull()
        {
            var imageUrl = "/test.jpg";
            Mock<IImageUrlGenerator> imageUrlGenerator = CreateMockImageUrlGenerator();
            var result = imageUrl.GetCropUrl(
                imageUrlGenerator.Object,
                new ImageCropperValue { },
                imageCropMode: ImageCropMode.Crop,
                cropAlias: "Missing");

            Assert.IsNull(result);
        }

        [Test]
        public void GetCropUrl_WithCropSpecifiedAndUsingCropDimensions_CallsImageGeneratorWithCorrectParameters()
        {
            var imageUrl = "/test.jpg";
            Mock<IImageUrlGenerator> imageUrlGenerator = CreateMockImageUrlGenerator();
            var result = imageUrl.GetCropUrl(
                imageUrlGenerator.Object,
                CreateImageCropperValueWithCrops(),
                imageCropMode: ImageCropMode.Crop,
                cropAlias: "TestCrop",
                useCropDimensions: true);

            imageUrlGenerator
                .Verify(x => x.GetImageUrl(
                    It.Is<ImageUrlGenerationOptions>(y => y.Width == 100 &&
                                                          y.Height == 200)));
        }

        [Test]
        public void GetCropUrl_WithCropSpecifiedAndWidthAndHeightProvided_CallsImageGeneratorWithCorrectParameters()
        {
            var imageUrl = "/test.jpg";
            Mock<IImageUrlGenerator> imageUrlGenerator = CreateMockImageUrlGenerator();
            var result = imageUrl.GetCropUrl(
                imageUrlGenerator.Object,
                CreateImageCropperValueWithCrops(),
                imageCropMode: ImageCropMode.Crop,
                cropAlias: "TestCrop",
                width: 50,
                height: 80);

            imageUrlGenerator
                .Verify(x => x.GetImageUrl(
                    It.Is<ImageUrlGenerationOptions>(y => y.Width == 50 &&
                                                          y.Height == 80)));
        }

        [Test]
        public void GetCropUrl_WithCropSpecifiedAndWidthOnlyProvided_CallsImageGeneratorWithCorrectParameters()
        {
            var imageUrl = "/test.jpg";
            Mock<IImageUrlGenerator> imageUrlGenerator = CreateMockImageUrlGenerator();
            var result = imageUrl.GetCropUrl(
                imageUrlGenerator.Object,
                CreateImageCropperValueWithCrops(),
                imageCropMode: ImageCropMode.Crop,
                cropAlias: "TestCrop",
                width: 50);

            imageUrlGenerator
                .Verify(x => x.GetImageUrl(
                    It.Is<ImageUrlGenerationOptions>(y => y.Width == 50 &&
                                                          y.Height == 100)));
        }

        [Test]
        public void GetCropUrl_WithCropSpecifiedAndHeightOnlyProvided_CallsImageGeneratorWithCorrectParameters()
        {
            var imageUrl = "/test.jpg";
            Mock<IImageUrlGenerator> imageUrlGenerator = CreateMockImageUrlGenerator();
            var result = imageUrl.GetCropUrl(
                imageUrlGenerator.Object,
                CreateImageCropperValueWithCrops(),
                imageCropMode: ImageCropMode.Crop,
                cropAlias: "TestCrop",
                height: 50);

            imageUrlGenerator
                .Verify(x => x.GetImageUrl(
                    It.Is<ImageUrlGenerationOptions>(y => y.Width == 25 &&
                                                          y.Height == 50)));
        }

        private static Mock<IImageUrlGenerator> CreateMockImageUrlGenerator() => new Mock<IImageUrlGenerator>();

        private static ImageCropperValue CreateImageCropperValueWithCrops() => new ImageCropperValue
        {
            Crops = new List<ImageCropperValue.ImageCropperCrop>
                    {
                        new ImageCropperValue.ImageCropperCrop { Alias = "TestCrop", Width = 100, Height = 200 },
                    }
        };
    }
}