public async Task GetCurrent_WithMissingMetadata_ReturnsExpectedTimestamp()
{
var primaryHostMock = new Mock <IPrimaryHostStateProvider>();
primaryHostMock.Setup(p => p.IsPrimary).Returns(true);
CloudBlockBlob analysisBlob = await GetAnalysisBlobReference(_hostIdProvider);
await analysisBlob.DeleteIfExistsAsync();
await analysisBlob.UploadTextAsync(string.Empty);
var stateProvider = new BlobChangeAnalysisStateProvider(_configuration, _hostIdProvider, NullLogger <BlobChangeAnalysisStateProvider> .Instance);
ChangeAnalysisState result = await stateProvider.GetCurrentAsync(CancellationToken.None);
Assert.Equal(DateTimeOffset.MinValue, result.LastAnalysisTime);
}
public async Task SetTimestamp_PersistsMetadata()
{
DateTimeOffset lastAnalysisTestTime = DateTimeOffset.UtcNow;
var primaryHostMock = new Mock <IPrimaryHostStateProvider>();
primaryHostMock.Setup(p => p.IsPrimary).Returns(true);
ICloudBlob analysisBlob = await GetAnalysisBlobReference(_hostIdProvider);
var stateProvider = new BlobChangeAnalysisStateProvider(_configuration, _hostIdProvider, NullLogger <BlobChangeAnalysisStateProvider> .Instance);
await stateProvider.SetTimestampAsync(lastAnalysisTestTime, analysisBlob, CancellationToken.None);
analysisBlob = await analysisBlob.ServiceClient.GetBlobReferenceFromServerAsync(analysisBlob.Uri);
DateTimeOffset.TryParse(analysisBlob.Metadata[BlobChangeAnalysisStateProvider.AnalysisTimestampMetadataName], out DateTimeOffset result);
Assert.Equal(lastAnalysisTestTime, result);
}
public async Task GetCurrent_ReadsTimestamp()
{
DateTimeOffset lastAnalysisTestTime = DateTimeOffset.UtcNow;
var primaryHostMock = new Mock <IPrimaryHostStateProvider>();
primaryHostMock.Setup(p => p.IsPrimary).Returns(true);
CloudBlockBlob analysisBlob = await GetAnalysisBlobReference(_hostIdProvider);
await analysisBlob.UploadTextAsync(string.Empty);
analysisBlob.Metadata.Add(BlobChangeAnalysisStateProvider.AnalysisTimestampMetadataName, lastAnalysisTestTime.ToString("O"));
await analysisBlob.SetMetadataAsync();
var stateProvider = new BlobChangeAnalysisStateProvider(_configuration, _hostIdProvider, NullLogger <BlobChangeAnalysisStateProvider> .Instance);
ChangeAnalysisState result = await stateProvider.GetCurrentAsync(CancellationToken.None);
Assert.Equal(lastAnalysisTestTime, result.LastAnalysisTime);
}
public async Task SetTimestamp_WithNoBlob_PersistsMetadata()
{
TimeSpan timePrecision = new TimeSpan(0, 0, 1);
long dateTimeTicks = (DateTime.UtcNow.Ticks / timePrecision.Ticks) * timePrecision.Ticks;
DateTime lastAnalysisTestTime = new DateTime(dateTimeTicks);
var primaryHostMock = new Mock <IPrimaryHostStateProvider>();
primaryHostMock.Setup(p => p.IsPrimary).Returns(true);
ICloudBlob analysisBlob = await GetAnalysisBlobReference(_hostIdProvider);
await analysisBlob.DeleteIfExistsAsync();
var stateProvider = new BlobChangeAnalysisStateProvider(_configuration, _hostIdProvider, NullLogger <BlobChangeAnalysisStateProvider> .Instance);
await stateProvider.SetTimestampAsync(lastAnalysisTestTime, analysisBlob, CancellationToken.None);
analysisBlob = await analysisBlob.ServiceClient.GetBlobReferenceFromServerAsync(analysisBlob.Uri);
DateTime.TryParse(analysisBlob.Metadata[BlobChangeAnalysisStateProvider.AnalysisTimestampMetadataName], out DateTime result);
Assert.Equal(lastAnalysisTestTime, result);
}