[Storage] Fixed [#12592]: Fix download blob fail when related sub directory not exist. (#12617)

* [Storage] Fixed [#12592]: Fix download blob fail when related sub directory not exist.

* Add test case

Author: blueww

src/Storage/Storage.Management.Test/ScenarioTests/StorageDataPlaneTests.ps1

@@ -245,6 +245,15 @@ function Test-Blob
 		Assert-AreEqual $t.Error $null
         Assert-AreEqual (Get-FileHash -Path $localDestFile2 -Algorithm MD5).Hash (Get-FileHash -Path $localSrcFile -Algorithm MD5).Hash
 
+		# upload/download blob which name include "/"
+		$blobNameWithFolder = "aa/bb/cc/dd.txt"
+		$localFileNameWithFolder= "aa\bb\cc\dd.txt"
+        Set-AzStorageBlobContent -File $localSrcFile -Container $containerName -Blob $blobNameWithFolder -Force -Context $storageContext
+		Get-AzStorageBlobContent -Container $containerName -Blob $blobNameWithFolder -Destination . -Force -Context $storageContext 
+        Assert-AreEqual (Get-FileHash -Path $localFileNameWithFolder -Algorithm MD5).Hash (Get-FileHash -Path $localSrcFile -Algorithm MD5).Hash
+		Remove-Item -Path "aa" -Force -Recurse
+        Remove-AzStorageBlob -Container $containerName -Blob $blobNameWithFolder -Force -Context $storageContext
+
         Remove-AzStorageBlob -Container $containerName -Blob $objectName2 -Force -Context $storageContext
         $blob = Get-AzStorageBlob -Container $containerName -Context $storageContext
         Assert-AreEqual $blob.Count 1

src/Storage/Storage.Management/ChangeLog.md

@@ -21,6 +21,8 @@
 * Supported blob query acceleration
     -  `Get-AzStorageBlobQueryResult`
     -  `New-AzStorageBlobQueryConfig`
+* Fixed [#12592]: Fix download blob fail when related sub directory not exist.
+	- `Get-AzStorageBlobContent`
 
 ## Version 2.4.0
 * Supported create container/blob Sas token with new permission x,t

src/Storage/Storage/Blob/Cmdlet/GetAzureStorageBlobContent.cs

@@ -218,23 +218,23 @@ internal void GetBlobContent(CloudBlobContainer container, string blobName, stri
                 throw new ArgumentException(String.Format(Resources.InvalidBlobName, blobName));
             }
 
-            string filePath = GetFullReceiveFilePath(fileName, blobName, null);
+            // Don't need get File full path here, since will get file full path in GetBlobContent() with blob object.
 
             ValidatePipelineCloudBlobContainer(container);
 
             if (UseTrack2Sdk())
             {
                 BlobContainerClient track2container = AzureStorageContainer.GetTrack2BlobContainerClient(container, Channel.StorageContext, ClientOptions);
                 BlobBaseClient blobClient = track2container.GetBlobBaseClient(blobName);
-                GetBlobContent(blobClient, filePath, true);
+                GetBlobContent(blobClient, fileName, true);
             }
             else
             {
                 AccessCondition accessCondition = null;
                 BlobRequestOptions requestOptions = RequestOptions;
                 CloudBlob blob = GetBlobReferenceFromServerWithContainer(Channel, container, blobName, accessCondition, requestOptions, OperationContext);
 
-                GetBlobContent(blob, filePath, true);
+                GetBlobContent(blob, fileName, true);
             }
         }