public void CloudPageBlobCopyFromSnapshotTest()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
CloudPageBlob source = container.GetPageBlobReference("source");
string data = new string('a', 512);
UploadText(source, data, Encoding.UTF8);
source.Metadata["Test"] = "value";
source.SetMetadata();
CloudPageBlob snapshot = source.CreateSnapshot();
//Modify source
string newData = new string('b', 512);
source.Metadata["Test"] = "newvalue";
source.SetMetadata();
source.Properties.ContentMD5 = null;
UploadText(source, newData, Encoding.UTF8);
Assert.AreEqual(newData, DownloadText(source, Encoding.UTF8), "Source is modified correctly");
Assert.AreEqual(data, DownloadText(snapshot, Encoding.UTF8), "Modifying source blob should not modify snapshot");
source.FetchAttributes();
snapshot.FetchAttributes();
Assert.AreNotEqual(source.Metadata["Test"], snapshot.Metadata["Test"], "Source and snapshot metadata should be independent");
CloudPageBlob copy = container.GetPageBlobReference("copy");
copy.StartCopyFromBlob(TestHelper.Defiddler(snapshot));
WaitForCopy(copy);
Assert.AreEqual(CopyStatus.Success, copy.CopyState.Status);
Assert.AreEqual(data, DownloadText(copy, Encoding.UTF8), "Data inside copy of blob not similar");
copy.FetchAttributes();
BlobProperties prop1 = copy.Properties;
BlobProperties prop2 = snapshot.Properties;
Assert.AreEqual(prop1.CacheControl, prop2.CacheControl);
Assert.AreEqual(prop1.ContentEncoding, prop2.ContentEncoding);
Assert.AreEqual(prop1.ContentDisposition, prop2.ContentDisposition);
Assert.AreEqual(prop1.ContentLanguage, prop2.ContentLanguage);
Assert.AreEqual(prop1.ContentMD5, prop2.ContentMD5);
Assert.AreEqual(prop1.ContentType, prop2.ContentType);
Assert.AreEqual("value", copy.Metadata["Test"], false, "Copied metadata not same");
copy.Delete();
}
finally
{
container.DeleteIfExists();
}
}
public void PageBlobReadLockToETagTest()
{
byte[] outBuffer = new byte[1 * 1024 * 1024];
byte[] buffer = GetRandomBuffer(2 * outBuffer.Length);
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
blob.StreamMinimumReadSizeInBytes = outBuffer.Length;
using (MemoryStream wholeBlob = new MemoryStream(buffer))
{
blob.UploadFromStream(wholeBlob);
}
using (Stream blobStream = blob.OpenRead())
{
blob.SetMetadata();
blobStream.Read(outBuffer, 0, outBuffer.Length);
blob.SetMetadata();
TestHelper.ExpectedException(
() => blobStream.Read(outBuffer, 0, outBuffer.Length),
"Blob read stream should fail if blob is modified during read",
HttpStatusCode.PreconditionFailed);
}
using (Stream blobStream = blob.OpenRead())
{
blob.SetMetadata();
long length = blobStream.Length;
blob.SetMetadata();
TestHelper.ExpectedException(
() => blobStream.Read(outBuffer, 0, outBuffer.Length),
"Blob read stream should fail if blob is modified during read",
HttpStatusCode.PreconditionFailed);
}
AccessCondition accessCondition = AccessCondition.GenerateIfNotModifiedSinceCondition(DateTimeOffset.Now.Subtract(TimeSpan.FromHours(1)));
using (Stream blobStream = blob.OpenRead(accessCondition))
{
blob.SetMetadata();
TestHelper.ExpectedException(
() => blobStream.Read(outBuffer, 0, outBuffer.Length),
"Blob read stream should fail if blob is modified during read",
HttpStatusCode.PreconditionFailed);
}
}
finally
{
container.DeleteIfExists();
}
}
public void CloudPageBlobCopyTest()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
CloudPageBlob source = container.GetPageBlobReference("source");
string data = new string('a', 512);
UploadText(source, data, Encoding.UTF8);
source.Metadata["Test"] = "value";
source.SetMetadata();
CloudPageBlob copy = container.GetPageBlobReference("copy");
string copyId = copy.StartCopyFromBlob(TestHelper.Defiddler(source));
WaitForCopy(copy);
Assert.AreEqual(CopyStatus.Success, copy.CopyState.Status);
Assert.AreEqual(source.Uri.AbsolutePath, copy.CopyState.Source.AbsolutePath);
Assert.AreEqual(data.Length, copy.CopyState.TotalBytes);
Assert.AreEqual(data.Length, copy.CopyState.BytesCopied);
Assert.AreEqual(copyId, copy.CopyState.CopyId);
Assert.IsTrue(copy.CopyState.CompletionTime > DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(1)));
TestHelper.ExpectedException(
() => copy.AbortCopy(copyId),
"Aborting a copy operation after completion should fail",
HttpStatusCode.Conflict,
"NoPendingCopyOperation");
source.FetchAttributes();
Assert.IsNotNull(copy.Properties.ETag);
Assert.AreNotEqual(source.Properties.ETag, copy.Properties.ETag);
Assert.IsTrue(copy.Properties.LastModified > DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(1)));
string copyData = DownloadText(copy, Encoding.UTF8);
Assert.AreEqual(data, copyData, "Data inside copy of blob not similar");
copy.FetchAttributes();
BlobProperties prop1 = copy.Properties;
BlobProperties prop2 = source.Properties;
Assert.AreEqual(prop1.CacheControl, prop2.CacheControl);
Assert.AreEqual(prop1.ContentEncoding, prop2.ContentEncoding);
Assert.AreEqual(prop1.ContentDisposition, prop2.ContentDisposition);
Assert.AreEqual(prop1.ContentLanguage, prop2.ContentLanguage);
Assert.AreEqual(prop1.ContentMD5, prop2.ContentMD5);
Assert.AreEqual(prop1.ContentType, prop2.ContentType);
Assert.AreEqual("value", copy.Metadata["Test"], false, "Copied metadata not same");
copy.Delete();
}
finally
{
container.DeleteIfExists();
}
}
public void CloudPageBlobCopyTestWithMetadataOverride()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
CloudPageBlob source = container.GetPageBlobReference("source");
string data = new string('a', 512);
UploadText(source, data, Encoding.UTF8);
source.Metadata["Test"] = "value";
source.SetMetadata();
CloudPageBlob copy = container.GetPageBlobReference("copy");
copy.Metadata["Test2"] = "value2";
string copyId = copy.StartCopyFromBlob(TestHelper.Defiddler(source));
WaitForCopy(copy);
Assert.AreEqual(CopyStatus.Success, copy.CopyState.Status);
Assert.AreEqual(source.Uri.AbsolutePath, copy.CopyState.Source.AbsolutePath);
Assert.AreEqual(data.Length, copy.CopyState.TotalBytes);
Assert.AreEqual(data.Length, copy.CopyState.BytesCopied);
Assert.AreEqual(copyId, copy.CopyState.CopyId);
Assert.IsTrue(copy.CopyState.CompletionTime > DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(1)));
string copyData = DownloadText(copy, Encoding.UTF8);
Assert.AreEqual(data, copyData, "Data inside copy of blob not similar");
copy.FetchAttributes();
source.FetchAttributes();
BlobProperties prop1 = copy.Properties;
BlobProperties prop2 = source.Properties;
Assert.AreEqual(prop1.CacheControl, prop2.CacheControl);
Assert.AreEqual(prop1.ContentEncoding, prop2.ContentEncoding);
Assert.AreEqual(prop1.ContentDisposition, prop2.ContentDisposition);
Assert.AreEqual(prop1.ContentLanguage, prop2.ContentLanguage);
Assert.AreEqual(prop1.ContentMD5, prop2.ContentMD5);
Assert.AreEqual(prop1.ContentType, prop2.ContentType);
Assert.AreEqual("value2", copy.Metadata["Test2"], false, "Copied metadata not same");
Assert.IsFalse(copy.Metadata.ContainsKey("Test"), "Source Metadata should not appear in destination blob");
copy.Delete();
}
finally
{
container.DeleteIfExists();
}
}