public async Task ReturnsCollectionOnlyContainingTheNoneOptionIfCacheReadFails()
{
var apiClient = Substitute.For<IApiClient>();
var cache = Substitute.For<IBlobCache>();
cache.Get(Args.String)
.Returns(Observable.Throw<byte[]>(new InvalidOperationException("Unknown")));
var modelService = new ModelService(apiClient, cache, Substitute.For<IAvatarProvider>());
var fetched = await modelService.GetLicenses();
Assert.Equal(1, fetched.Count);
Assert.Equal("None", fetched[0].Name);
}
public async Task ReturnsCollectionOnlyContainingTheNoneOptionWhenLicenseApiNotFound()
{
var apiClient = Substitute.For<IApiClient>();
apiClient.GetLicenses()
.Returns(Observable.Throw<LicenseMetadata>(new NotFoundException("Not Found", HttpStatusCode.NotFound)));
var cache = new InMemoryBlobCache();
var modelService = new ModelService(apiClient, cache, Substitute.For<IAvatarProvider>());
var fetched = await modelService.GetLicenses();
Assert.Equal(1, fetched.Count);
Assert.Equal("None", fetched[0].Name);
}
public async Task CanRetrieveAndCacheLicenses()
{
var licenses = new[]
{
new LicenseMetadata("mit", "MIT", new Uri("https://github.com/")),
new LicenseMetadata("apache", "Apache", new Uri("https://github.com/"))
};
var apiClient = Substitute.For<IApiClient>();
apiClient.GetLicenses().Returns(licenses.ToObservable());
var cache = new InMemoryBlobCache();
var modelService = new ModelService(apiClient, cache, Substitute.For<IAvatarProvider>());
var fetched = await modelService.GetLicenses();
Assert.Equal(3, fetched.Count);
Assert.Equal("None", fetched[0].Name);
Assert.Equal("MIT", fetched[1].Name);
Assert.Equal("Apache", fetched[2].Name);
var cached = await cache.GetObject<IReadOnlyList<ModelService.LicenseCacheItem>>("licenses");
Assert.Equal(2, cached.Count);
Assert.Equal("mit", cached[0].Key);
Assert.Equal("apache", cached[1].Key);
}
public async Task CanRetrieveAndCacheLicenses()
{
var data = new[]
{
new LicenseMetadata("mit", "MIT", new Uri("https://github.com/")),
new LicenseMetadata("apache", "Apache", new Uri("https://github.com/"))
};
var apiClient = Substitute.For<IApiClient>();
apiClient.GetLicenses().Returns(data.ToObservable());
var cache = new InMemoryBlobCache();
var modelService = new ModelService(apiClient, cache, Substitute.For<IAvatarProvider>());
var fetched = await modelService.GetLicenses().ToList();
Assert.Equal(2, fetched.Count);
for (int i = 0; i < data.Length; i++)
Assert.Equal(data[i].Name, fetched[i].Name);
var indexKey = CacheIndex.LicensesPrefix;
var cached = await cache.GetObject<CacheIndex>(indexKey);
Assert.Equal(2, cached.Keys.Count);
var items = await cache.GetObjects<LicenseCacheItem>(cached.Keys).Take(1);
for (int i = 0; i < data.Length; i++)
Assert.Equal(data[i].Name, items[indexKey + "|" + data[i].Key].Name);
}
public async Task ReturnsEmptyIfCacheReadFails()
{
var apiClient = Substitute.For<IApiClient>();
var cache = Substitute.For<IBlobCache>();
cache.Get(Args.String)
.Returns(Observable.Throw<byte[]>(new InvalidOperationException("Unknown")));
var modelService = new ModelService(apiClient, cache, Substitute.For<IAvatarProvider>());
var fetched = await modelService.GetLicenses().ToList();
Assert.Equal(0, fetched.Count);
}
public async Task ReturnsEmptyIfLicenseApiNotFound()
{
var apiClient = Substitute.For<IApiClient>();
apiClient.GetLicenses()
.Returns(Observable.Throw<LicenseMetadata>(new NotFoundException("Not Found", HttpStatusCode.NotFound)));
var cache = new InMemoryBlobCache();
var modelService = new ModelService(apiClient, cache, Substitute.For<IAvatarProvider>());
var fetched = await modelService.GetLicenses().ToList();
Assert.Equal(0, fetched.Count);
}