public void Download()
{
var feed = FeedTest.CreateTestFeed();
var feedStream = new MemoryStream();
using var server = new MicroServer("feed.xml", feedStream);
feed.Uri = new FeedUri(server.FileUri);
feed.SaveXml(feedStream);
var data = feedStream.ToArray();
feedStream.Position = 0;
_feedManager.IsStale(feed.Uri).Should().BeTrue(because: "Non-cached feeds should be reported as stale");
// No previous feed
_feedCacheMock.Setup(x => x.Contains(feed.Uri)).Returns(false);
_feedCacheMock.Setup(x => x.GetSignatures(feed.Uri)).Throws <KeyNotFoundException>();
_feedCacheMock.Setup(x => x.Add(feed.Uri, data));
_feedCacheMock.Setup(x => x.GetFeed(feed.Uri)).Returns(feed);
_trustManagerMock.Setup(x => x.CheckTrust(data, feed.Uri, It.IsAny <string>())).Returns(OpenPgpUtilsTest.TestSignature);
_feedManager[feed.Uri].Should().Be(feed);
}