public async Task GivenASetOfDicomInstances_WhenRetrievingChangeFeed_ThenTheExpectedInstanceAreReturned()
{
var studyInstanceUid = TestUidGenerator.Generate();
var seriesInstanceUid = TestUidGenerator.Generate();
var sopInstanceUids = Enumerable.Range(1, 10).Select(x => TestUidGenerator.Generate()).ToArray();
long initialSequence = -1;
for (int i = 0; i < 10; i++)
{
await CreateFile(studyInstanceUid, seriesInstanceUid, sopInstanceUids[i]);
if (initialSequence == -1)
{
var result = await _client.GetChangeFeedLatest();
initialSequence = result.Value.Sequence;
Assert.Equal(studyInstanceUid, result.Value.StudyInstanceUid);
Assert.Equal(seriesInstanceUid, result.Value.SeriesInstanceUid);
Assert.Equal(sopInstanceUids[i], result.Value.SopInstanceUid);
Assert.Equal(ChangeFeedAction.Create, result.Value.Action);
Assert.Equal(ChangeFeedState.Current, result.Value.State);
}
}
var changeFeedResults = await _client.GetChangeFeed();
Assert.Equal(10, changeFeedResults.Value.Count);
changeFeedResults = await _client.GetChangeFeed($"?offset={initialSequence - 1}");
Assert.Equal(10, changeFeedResults.Value.Count);
for (int i = 0; i < 10; i++)
{
Assert.Equal(studyInstanceUid, changeFeedResults.Value[i].StudyInstanceUid);
Assert.Equal(seriesInstanceUid, changeFeedResults.Value[i].SeriesInstanceUid);
Assert.Equal(sopInstanceUids[i], changeFeedResults.Value[i].SopInstanceUid);
Assert.NotNull(changeFeedResults.Value[i].Metadata);
}
}
