public async Task DownloadAttachmentAlreadyInCache()
{
string presignedUrl = "http://www.test.com/presignedurl";
var mock = new Mock<ITimelineService>();
mock.Setup(m => m.GetJsonAsync(It.IsAny<string>(), It.IsAny<NameValueCollection>())).Returns(TestUtils.GetCompletedTask(presignedUrl));
mock.Setup(m => m.FileExists(It.IsAny<string>())).Returns(true);
mock.SetupGet(m => m.CacheFolder).Returns("cache");
Attachment attachment = new Attachment();
attachment.Id = "ID1";
attachment.Title = "filename.docx";
await attachment.DownloadOrCacheAsync(mock.Object);
mock.Verify(m => m.DownloadFileAsync(presignedUrl, @"cache\ID1.docx"), Times.Never());
}
