public void CanReadLegacyDataAndRewriteInNewFormat(string originalFileName) { var tempFile = Path.GetTempFileName(); using (var sourceStream = new FileStream(originalFileName, FileMode.Open, FileAccess.Read)) using (var sourceReader = new PersistedDataReader(sourceStream, this.streamManager)) using (var destStream = new FileStream(tempFile, FileMode.Open, FileAccess.Write)) { while (sourceReader.ReadDataHeader()) { using (var destWriter = new PersistedDataWriter(destStream, sourceReader.DimensionSet, this.streamManager)) { if (sourceReader.DataType == typeof(InternalHitCount)) { destWriter.WriteData(sourceReader.Header.Name, sourceReader.StartTime, sourceReader.EndTime, sourceReader.Header.DataCount, sourceReader.Header.Sources, sourceReader.LoadData <InternalHitCount>()); } else { destWriter.WriteData(sourceReader.Header.Name, sourceReader.StartTime, sourceReader.EndTime, sourceReader.Header.DataCount, sourceReader.Header.Sources, sourceReader.LoadData <InternalHistogram>()); } } } } this.VerifyMatchingContents(originalFileName, tempFile); File.Delete(tempFile); }
public void CanReadMultipleWrittenDataFromSameStream() { const int iterations = 10; for (int i = 0; i < iterations; ++i) { using (var writer = new PersistedDataWriter(stream, dimensions, this.streamManager)) { writer.WriteData(AnyCounterName, AnyStart, AnyEnd, (uint)data.Count, AnySources, data); } } stream.Position = 0; using (var reader = new PersistedDataReader(stream, this.streamManager)) { for (int i = 0; i < iterations; ++i) { Assert.IsTrue(reader.ReadDataHeader()); Assert.AreEqual(reader.Header.Name, "/Foo"); Assert.AreEqual((uint)data.Count, reader.Header.DataCount); reader.ReadData <InternalHitCount>( (key, value) => Assert.AreEqual(AnyDataValue, value.HitCount)); } } }
public void ReadingTruncatedDataThrowsPersistedDataException() { using (var writer = new PersistedDataWriter(stream, dimensions, this.streamManager)) { writer.WriteData(AnyCounterName, AnyStart, AnyEnd, (uint)data.Count, AnySources, data); } for (int i = (int)stream.Length / 2; i >= 0; --i) { var buffer = new byte[i]; Buffer.BlockCopy(stream.GetBuffer(), 0, buffer, 0, i); using (var truncatedStream = new MemoryStream(buffer, false)) using (var reader = new PersistedDataReader(truncatedStream, this.streamManager)) { try { // If we can't read the header it's fine. if (reader.ReadDataHeader()) { reader.ReadData <InternalHitCount>((key, value) => { }); Assert.Fail(); } } catch (PersistedDataException) {} } } }
public void CanReadWrittenData() { using (var writer = new PersistedDataWriter(stream, dimensions, this.streamManager)) { writer.WriteData(AnyCounterName, AnyStart, AnyEnd, (uint)data.Count, AnySources, data); } stream.Position = 0; using (var reader = new PersistedDataReader(stream, this.streamManager)) { Assert.IsTrue(reader.ReadDataHeader()); Assert.AreEqual("/Foo", reader.Header.Name); Assert.AreEqual((uint)data.Count, reader.Header.DataCount); reader.ReadData <InternalHitCount>( (key, value) => Assert.AreEqual(AnyDataValue, value.HitCount)); } }
public void CanReadWrittenData() { using (var writer = new PersistedDataWriter(stream, dimensions, this.streamManager)) { writer.WriteData(AnyCounterName, AnyStart, AnyEnd, (uint)data.Count, AnySources, data); } stream.Position = 0; using (var reader = new PersistedDataReader(stream, this.streamManager)) { Assert.IsTrue(reader.ReadDataHeader()); Assert.AreEqual("/Foo", reader.Header.Name); Assert.AreEqual((uint)data.Count, reader.Header.DataCount); reader.ReadData<InternalHitCount>( (key, value) => Assert.AreEqual(AnyDataValue, value.HitCount)); } }
public void CanReadLegacyDataAndRewriteInNewFormat(string originalFileName) { var tempFile = Path.GetTempFileName(); using (var sourceStream = new FileStream(originalFileName, FileMode.Open, FileAccess.Read)) using (var sourceReader = new PersistedDataReader(sourceStream, this.streamManager)) using (var destStream = new FileStream(tempFile, FileMode.Open, FileAccess.Write)) { while (sourceReader.ReadDataHeader()) { using (var destWriter = new PersistedDataWriter(destStream, sourceReader.DimensionSet, this.streamManager)) { if (sourceReader.DataType == typeof(InternalHitCount)) { destWriter.WriteData(sourceReader.Header.Name, sourceReader.StartTime, sourceReader.EndTime, sourceReader.Header.DataCount, sourceReader.Header.Sources, sourceReader.LoadData<InternalHitCount>()); } else { destWriter.WriteData(sourceReader.Header.Name, sourceReader.StartTime, sourceReader.EndTime, sourceReader.Header.DataCount, sourceReader.Header.Sources, sourceReader.LoadData<InternalHistogram>()); } } } } this.VerifyMatchingContents(originalFileName, tempFile); File.Delete(tempFile); }
public void CanReadMultipleWrittenDataFromSameStream() { const int iterations = 10; for (int i = 0; i < iterations; ++i) { using (var writer = new PersistedDataWriter(stream, dimensions, this.streamManager)) { writer.WriteData(AnyCounterName, AnyStart, AnyEnd, (uint)data.Count, AnySources, data); } } stream.Position = 0; using (var reader = new PersistedDataReader(stream, this.streamManager)) { for (int i = 0; i < iterations; ++i) { Assert.IsTrue(reader.ReadDataHeader()); Assert.AreEqual(reader.Header.Name, "/Foo"); Assert.AreEqual((uint)data.Count, reader.Header.DataCount); reader.ReadData<InternalHitCount>( (key, value) => Assert.AreEqual(AnyDataValue, value.HitCount)); } } }
public void ReadingTruncatedDataThrowsPersistedDataException() { using (var writer = new PersistedDataWriter(stream, dimensions, this.streamManager)) { writer.WriteData(AnyCounterName, AnyStart, AnyEnd, (uint)data.Count, AnySources, data); } for (int i = (int)stream.Length / 2; i >= 0; --i) { var buffer = new byte[i]; Buffer.BlockCopy(stream.GetBuffer(), 0, buffer, 0, i); using (var truncatedStream = new MemoryStream(buffer, false)) using (var reader = new PersistedDataReader(truncatedStream, this.streamManager)) { try { // If we can't read the header it's fine. if (reader.ReadDataHeader()) { reader.ReadData<InternalHitCount>((key, value) => { }); Assert.Fail(); } } catch (PersistedDataException) {} } } }