public async Task FailedRequestThrowsException()
{
var fetcher = Substitute.For<IArtworkFetcher>();
fetcher.RetrieveAsync(Arg.Any<string>(), Arg.Any<string>()).Returns(Observable.Throw<Uri>(new ArtworkFetchException(String.Empty, null)).ToTask());
var blobCache = new InMemoryBlobCache();
var fixture = new ArtworkCache(blobCache, fetcher);
await Helpers.ThrowsAsync<ArtworkCacheException>(() => fixture.FetchOnline("A", "B"));
}
public async Task FailedRequestThrowsException()
{
var fetcher = Substitute.For <IArtworkFetcher>();
fetcher.RetrieveAsync(Arg.Any <string>(), Arg.Any <string>()).Returns(Observable.Throw <Uri>(new ArtworkFetchException(String.Empty, null)).ToTask());
var blobCache = new InMemoryBlobCache();
var fixture = new ArtworkCache(blobCache, fetcher);
await Helpers.ThrowsAsync <ArtworkCacheException>(() => fixture.FetchOnline("A", "B"));
}
public async Task NotFoundRequestReturnsNull()
{
var fetcher = Substitute.For<IArtworkFetcher>();
fetcher.RetrieveAsync(Arg.Any<string>(), Arg.Any<string>()).Returns(Task.FromResult<Uri>(null));
var blobCache = new InMemoryBlobCache();
var fixture = new ArtworkCache(blobCache, fetcher);
string returned = await fixture.FetchOnline("A", "B");
Assert.Null(returned);
}
public async Task NotFoundRequestReturnsNull()
{
var fetcher = Substitute.For <IArtworkFetcher>();
fetcher.RetrieveAsync(Arg.Any <string>(), Arg.Any <string>()).Returns(Task.FromResult <Uri>(null));
var blobCache = new InMemoryBlobCache();
var fixture = new ArtworkCache(blobCache, fetcher);
string returned = await fixture.FetchOnline("A", "B");
Assert.Null(returned);
}
public async Task NotFoundRequestIsMarked()
{
var fetcher = Substitute.For<IArtworkFetcher>();
fetcher.RetrieveAsync(Arg.Any<string>(), Arg.Any<string>()).Returns(Task.FromResult<Uri>(null));
var blobCache = new InMemoryBlobCache();
var fixture = new ArtworkCache(blobCache, fetcher);
string artist = "A";
string album = "B";
string lookupKey = BlobCacheKeys.GetKeyForOnlineArtwork(artist, album);
await fixture.FetchOnline(artist, album);
Assert.Equal("FAILED", await blobCache.GetObject<string>(lookupKey));
}
public async Task PullsSearchesFromCache()
{
string artist = "A";
string album = "B";
string key = BlobCacheKeys.GetKeyForOnlineArtwork(artist, album);
var fetcher = Substitute.For<IArtworkFetcher>();
var blobCache = new InMemoryBlobCache();
await blobCache.InsertObject(key, "TestArtworkKey");
var fixture = new ArtworkCache(blobCache, fetcher);
string returned = await fixture.FetchOnline(artist, album);
Assert.Equal("TestArtworkKey", returned);
fetcher.DidNotReceiveWithAnyArgs().RetrieveAsync(null, null);
}
public async Task NotFoundRequestIsMarked()
{
var fetcher = Substitute.For <IArtworkFetcher>();
fetcher.RetrieveAsync(Arg.Any <string>(), Arg.Any <string>()).Returns(Task.FromResult <Uri>(null));
var blobCache = new InMemoryBlobCache();
var fixture = new ArtworkCache(blobCache, fetcher);
string artist = "A";
string album = "B";
string lookupKey = BlobCacheKeys.GetKeyForOnlineArtwork(artist, album);
await fixture.FetchOnline(artist, album);
Assert.Equal("FAILED", await blobCache.GetObject <string>(lookupKey));
}
public async Task PullsSearchesFromCache()
{
string artist = "A";
string album = "B";
string key = BlobCacheKeys.GetKeyForOnlineArtwork(artist, album);
var fetcher = Substitute.For <IArtworkFetcher>();
var blobCache = new InMemoryBlobCache();
await blobCache.InsertObject(key, "TestArtworkKey");
var fixture = new ArtworkCache(blobCache, fetcher);
string returned = await fixture.FetchOnline(artist, album);
Assert.Equal("TestArtworkKey", returned);
fetcher.DidNotReceiveWithAnyArgs().RetrieveAsync(null, null);
}
