public void WhenLoadedWithCleanupStrategyIntegrationTest()
{
var cleanupStrategyMock = new Moq.Mock <ICacheCleanupStrategy>();
cleanupStrategyMock
.Setup(f => f.GetItemsToCleanup(It.IsAny <IReadOnlyDictionary <string, List <CacheImageLoader.CacheItem> > >(), It.IsAny <Func <CacheImageLoader.CacheItem, ulong> >(), It.IsAny <ulong>()))
.Returns((IReadOnlyDictionary <string, List <CacheImageLoader.CacheItem> > items, Func <CacheImageLoader.CacheItem, ulong> sizeEvaluator, ulong sizeToFree) =>
{
var sortedItems = items.SelectMany(s => s.Value).OrderByDescending(c => c.ImageSize.Width);
return(sortedItems.Take((int)sizeToFree).ToList());
});
var fallbackLoaderMock = new ImageLoaderMock();
fallbackLoaderMock.Setup("http://mclaren.com/1.jpg", "10x10".Pixels(), "10x10".Pixels(), 1);
fallbackLoaderMock.Setup("http://mclaren.com/1.jpg", "20x20".Pixels(), "20x20".Pixels(), 2);
fallbackLoaderMock.Setup("http://mclaren.com/2.jpg", "30x30".Pixels(), "30x30".Pixels(), 1);
var loaderToTest = ((CacheImageLoader)GetImageLoaderInstance())
.WithCacheCleanupStrategy(cleanupStrategyMock.Object)
.WithCacheSize(new CacheSize(2, CacheSize.SizeUnits.Items))
.AsFallbackUse(fallbackLoaderMock);
loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "10x10".Pixels()).ToEnumerable().ToList(); // From fallback loader
loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "10x10".Pixels()).ToEnumerable().ToList(); // From cache
loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "20x20".Pixels()).ToEnumerable().ToList(); // From fallback loader
loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "20x20".Pixels()).ToEnumerable().ToList(); // From cache
loaderToTest.WhenLoaded("http://mclaren.com/2.jpg".AsUri(), "30x30".Pixels()).ToEnumerable().ToList(); // Cahche overwlow here, it should push out 20x20 image from cache
loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "20x20".Pixels()).ToEnumerable().ToList(); // Since 20x20 is not in cache anymore, it should be request from fallback loader once again
fallbackLoaderMock.Verify();
}
public void WhenLoadedIntegrationTest()
{
var fallbackLoaderMock = new ImageLoaderMock();
var loaderToTest = GetImageLoaderInstance().AsFallbackUse(fallbackLoaderMock);
IEnumerable <ImageInfo> images;
// Cache: []
// FallbackLoader: [10x20]
// Request: [20x40]
// Expect: 10x10 from fallback loader
fallbackLoaderMock.Setup("http://mclaren.com/1.jpg", "20x40".Pixels(), "10x20".Pixels(), 1);
images = loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "20x40".Pixels()).ToEnumerable().ToList();
images.CheckContainsSameItemsAs(new[]
{
new ImageInfo().WithUri("http://mclaren.com/1.jpg").WithSize("10x20".Pixels())
});
fallbackLoaderMock.Verify();
// Cache: [10x20]
// FallbackLoader: [10x20]
// Request: [10x20]
// Expect: 10x20 from cache
fallbackLoaderMock.Reset();
fallbackLoaderMock.Setup("http://mclaren.com/1.jpg", "10x20".Pixels(), "10x20".Pixels(), 0);
images = loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "10x20".Pixels()).ToEnumerable().ToList();
images.CheckContainsSameItemsAs(new[]
{
new ImageInfo().WithUri("http://mclaren.com/1.jpg").WithSize("10x20".Pixels())
});
fallbackLoaderMock.Verify();
// Cache: [10x20]
// FallbackLoader: [20x40]
// Request: [20x40]
// Expect: 10x20 from cache and 20x40 from fallback loader
fallbackLoaderMock.Reset();
fallbackLoaderMock.Setup("http://mclaren.com/1.jpg", "20x40".Pixels(), "20x40".Pixels(), 1);
images = loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "20x40".Pixels()).ToEnumerable().ToList();
images.CheckContainsSameItemsAs(new[]
{
new ImageInfo().WithUri("http://mclaren.com/1.jpg").WithSize("10x20".Pixels()),
new ImageInfo().WithUri("http://mclaren.com/1.jpg").WithSize("20x40".Pixels())
});
fallbackLoaderMock.Verify();
// Cache: [10x20, 20x40]
// FallbackLoader: [5x10]
// Request: [5x10]
// Expect: 5x10 resized from 10x20 from cache
fallbackLoaderMock.Reset();
fallbackLoaderMock.Setup("http://mclaren.com/1.jpg", "5x10".Pixels(), "5x10".Pixels(), 0);
images = loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "5x10".Pixels()).ToEnumerable().ToList();
images.CheckContainsSameItemsAs(new[]
{
new ImageInfo().WithUri("http://mclaren.com/1.jpg").WithSize("5x10".Pixels())
});
fallbackLoaderMock.Verify();
// Cache: [5x10, 10x20, 20x40]
// FallbackLoader: [15x30]
// Request: [15x30]
// Expect: 15x30 resized from 20x40 from cache
fallbackLoaderMock.Reset();
fallbackLoaderMock.Setup("http://mclaren.com/1.jpg", "15x30".Pixels(), "15x30".Pixels(), 0);
images = loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "15x30".Pixels()).ToEnumerable().ToList();
images.CheckContainsSameItemsAs(new[]
{
new ImageInfo().WithUri("http://mclaren.com/1.jpg").WithSize("15x30".Pixels())
});
fallbackLoaderMock.Verify();
// Cache: [5x10, 10x20, 15x30, 20x40]
// FallbackLoader: [25x30]
// Request: [25x30]
// Expect: 18x35 resized from 20x40 from cache with keeping aspect ratio
fallbackLoaderMock.Reset();
fallbackLoaderMock.Setup("http://mclaren.com/1.jpg", "25x35".Pixels(), "25x35".Pixels(), 0);
images = loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "25x35".Pixels()).ToEnumerable().ToList();
images.CheckContainsSameItemsAs(new[]
{
new ImageInfo().WithUri("http://mclaren.com/1.jpg").WithSize("18x35".Pixels())
});
fallbackLoaderMock.Verify();
}
public void WhenLoadedIntegrationTest()
{
var fallbackLoaderMock = new ImageLoaderMock();
var loaderToTest = GetImageLoaderInstance().AsFallbackUse(fallbackLoaderMock);
IEnumerable<ImageInfo> images;
// Cache: []
// FallbackLoader: [10x20]
// Request: [20x40]
// Expect: 10x10 from fallback loader
fallbackLoaderMock.Setup("http://mclaren.com/1.jpg", "20x40".Pixels(), "10x20".Pixels(), 1);
images = loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "20x40".Pixels()).ToEnumerable().ToList();
images.CheckContainsSameItemsAs(new[]
{
new ImageInfo().WithUri("http://mclaren.com/1.jpg").WithSize("10x20".Pixels())
});
fallbackLoaderMock.Verify();
// Cache: [10x20]
// FallbackLoader: [10x20]
// Request: [10x20]
// Expect: 10x20 from cache
fallbackLoaderMock.Reset();
fallbackLoaderMock.Setup("http://mclaren.com/1.jpg", "10x20".Pixels(), "10x20".Pixels(), 0);
images = loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "10x20".Pixels()).ToEnumerable().ToList();
images.CheckContainsSameItemsAs(new[]
{
new ImageInfo().WithUri("http://mclaren.com/1.jpg").WithSize("10x20".Pixels())
});
fallbackLoaderMock.Verify();
// Cache: [10x20]
// FallbackLoader: [20x40]
// Request: [20x40]
// Expect: 10x20 from cache and 20x40 from fallback loader
fallbackLoaderMock.Reset();
fallbackLoaderMock.Setup("http://mclaren.com/1.jpg", "20x40".Pixels(), "20x40".Pixels(), 1);
images = loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "20x40".Pixels()).ToEnumerable().ToList();
images.CheckContainsSameItemsAs(new[]
{
new ImageInfo().WithUri("http://mclaren.com/1.jpg").WithSize("10x20".Pixels()),
new ImageInfo().WithUri("http://mclaren.com/1.jpg").WithSize("20x40".Pixels())
});
fallbackLoaderMock.Verify();
// Cache: [10x20, 20x40]
// FallbackLoader: [5x10]
// Request: [5x10]
// Expect: 5x10 resized from 10x20 from cache
fallbackLoaderMock.Reset();
fallbackLoaderMock.Setup("http://mclaren.com/1.jpg", "5x10".Pixels(), "5x10".Pixels(), 0);
images = loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "5x10".Pixels()).ToEnumerable().ToList();
images.CheckContainsSameItemsAs(new[]
{
new ImageInfo().WithUri("http://mclaren.com/1.jpg").WithSize("5x10".Pixels())
});
fallbackLoaderMock.Verify();
// Cache: [5x10, 10x20, 20x40]
// FallbackLoader: [15x30]
// Request: [15x30]
// Expect: 15x30 resized from 20x40 from cache
fallbackLoaderMock.Reset();
fallbackLoaderMock.Setup("http://mclaren.com/1.jpg", "15x30".Pixels(), "15x30".Pixels(), 0);
images = loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "15x30".Pixels()).ToEnumerable().ToList();
images.CheckContainsSameItemsAs(new[]
{
new ImageInfo().WithUri("http://mclaren.com/1.jpg").WithSize("15x30".Pixels())
});
fallbackLoaderMock.Verify();
// Cache: [5x10, 10x20, 15x30, 20x40]
// FallbackLoader: [25x30]
// Request: [25x30]
// Expect: 18x35 resized from 20x40 from cache with keeping aspect ratio
fallbackLoaderMock.Reset();
fallbackLoaderMock.Setup("http://mclaren.com/1.jpg", "25x35".Pixels(), "25x35".Pixels(), 0);
images = loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "25x35".Pixels()).ToEnumerable().ToList();
images.CheckContainsSameItemsAs(new[]
{
new ImageInfo().WithUri("http://mclaren.com/1.jpg").WithSize("18x35".Pixels())
});
fallbackLoaderMock.Verify();
}
public void WhenLoadedWithCleanupStrategyIntegrationTest()
{
var cleanupStrategyMock = new Moq.Mock<ICacheCleanupStrategy>();
cleanupStrategyMock
.Setup(f => f.GetItemsToCleanup(It.IsAny<IReadOnlyDictionary<string, List<CacheImageLoader.CacheItem>>>(), It.IsAny<Func<CacheImageLoader.CacheItem, ulong>>(), It.IsAny<ulong>()))
.Returns((IReadOnlyDictionary<string, List<CacheImageLoader.CacheItem>> items, Func<CacheImageLoader.CacheItem, ulong> sizeEvaluator, ulong sizeToFree) =>
{
var sortedItems = items.SelectMany(s => s.Value).OrderByDescending(c => c.ImageSize.Width);
return sortedItems.Take((int)sizeToFree).ToList();
});
var fallbackLoaderMock = new ImageLoaderMock();
fallbackLoaderMock.Setup("http://mclaren.com/1.jpg", "10x10".Pixels(), "10x10".Pixels(), 1);
fallbackLoaderMock.Setup("http://mclaren.com/1.jpg", "20x20".Pixels(), "20x20".Pixels(), 2);
fallbackLoaderMock.Setup("http://mclaren.com/2.jpg", "30x30".Pixels(), "30x30".Pixels(), 1);
var loaderToTest = ((CacheImageLoader)GetImageLoaderInstance())
.WithCacheCleanupStrategy(cleanupStrategyMock.Object)
.WithCacheSize(new CacheSize(2, CacheSize.SizeUnits.Items))
.AsFallbackUse(fallbackLoaderMock);
loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "10x10".Pixels()).ToEnumerable().ToList(); // From fallback loader
loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "10x10".Pixels()).ToEnumerable().ToList(); // From cache
loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "20x20".Pixels()).ToEnumerable().ToList(); // From fallback loader
loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "20x20".Pixels()).ToEnumerable().ToList(); // From cache
loaderToTest.WhenLoaded("http://mclaren.com/2.jpg".AsUri(), "30x30".Pixels()).ToEnumerable().ToList(); // Cahche overwlow here, it should push out 20x20 image from cache
loaderToTest.WhenLoaded("http://mclaren.com/1.jpg".AsUri(), "20x20".Pixels()).ToEnumerable().ToList(); // Since 20x20 is not in cache anymore, it should be request from fallback loader once again
fallbackLoaderMock.Verify();
}
