[Storage] Fixed unable to create directory with only whiteSpaceChars (Azure#47592)

* Added fix + recording for File Shares

* Added Changelog for File Share fix + added blobName whiteSpaceChar test cases

Author: nickliu-msft

sdk/storage/Azure.Storage.Blobs/assets.json

@@ -2,5 +2,5 @@
   "AssetsRepo": "Azure/azure-sdk-assets",
   "AssetsRepoPrefixPath": "net",
   "TagPrefix": "net/storage/Azure.Storage.Blobs",
-  "Tag": "net/storage/Azure.Storage.Blobs_4d91c5bf9c"
+  "Tag": "net/storage/Azure.Storage.Blobs_f174db6035"
 }

sdk/storage/Azure.Storage.Blobs/tests/ContainerClientTests.cs

@@ -3191,6 +3191,7 @@ await TestHelper.AssertExpectedExceptionAsync<RequestFailedException>(
         [TestCase("%21%2A%27%28%29%3B%5B%5D%3A%40%26%25%3D%2B%24%2C%2F%3F%23äÄöÖüÜß")]
         [TestCase("my cool blob")]
         [TestCase("blob")]
+        [TestCase("  ")]
         public async Task GetBlobClient_SpecialCharacters(string blobName)
         {
             // Arrange
@@ -3241,6 +3242,7 @@ public async Task GetBlobClient_SpecialCharacters(string blobName)
         [TestCase("%21%2A%27%28%29%3B%5B%5D%3A%40%26%25%3D%2B%24%2C%2F%3F%23äÄöÖüÜß")]
         [TestCase("my cool blob")]
         [TestCase("blob")]
+        [TestCase("  ")]
         public async Task GetBlobClients_SpecialCharacters(string blobName)
         {
             // Arrange

sdk/storage/Azure.Storage.Common/tests/Shared/TestExtensions.cs

@@ -6,6 +6,7 @@
 using System.Globalization;
 using System.Linq;
 using System.Reflection;
+using System.Text;
 using System.Threading.Tasks;
 
 namespace Azure.Storage
@@ -216,13 +217,14 @@ private static string ToString(object credentials, bool exportSecrets)
         {
             if (credentials is StorageSharedKeyCredential sharedKeyCredentials)
             {
+                string sanitizedBase64 = Convert.ToBase64String(Encoding.UTF8.GetBytes("Sanitized"));
                 return string.Format(
                     CultureInfo.InvariantCulture,
                     "{0}={1};{2}={3}",
                     Constants.ConnectionStrings.AccountNameSetting,
                     sharedKeyCredentials.AccountName,
                     Constants.ConnectionStrings.AccountKeySetting,
-                    exportSecrets ? ((StorageSharedKeyCredential)credentials).ExportBase64EncodedKey() : "Sanitized");
+                    exportSecrets ? ((StorageSharedKeyCredential)credentials).ExportBase64EncodedKey() : sanitizedBase64);
             }
             else if (credentials is SharedAccessSignatureCredentials sasCredentials)
             {

sdk/storage/Azure.Storage.Files.Shares/CHANGELOG.md

@@ -13,6 +13,9 @@
     - ShareDirectoryClient.Create() and .CreateAsync()
     - ShareDirectoryClient.SetHttpHeaders() and .SetHttpHeadersAsync()
 
+### Bugs Fixed
+- Fixed \[BUG\] Unable to create directory with only whiteSpaceChars #42891
+
 ## 12.21.0 (2024-11-12)
 
 ### Features Added

sdk/storage/Azure.Storage.Files.Shares/assets.json

@@ -2,5 +2,5 @@
   "AssetsRepo": "Azure/azure-sdk-assets",
   "AssetsRepoPrefixPath": "net",
   "TagPrefix": "net/storage/Azure.Storage.Files.Shares",
-  "Tag": "net/storage/Azure.Storage.Files.Shares_93074c2c0f"
+  "Tag": "net/storage/Azure.Storage.Files.Shares_92c08b30c4"
 }

sdk/storage/Azure.Storage.Files.Shares/src/ShareUriBuilder.cs

@@ -288,7 +288,7 @@ private RequestUriBuilder BuildUri()
             if (!string.IsNullOrWhiteSpace(ShareName))
             {
                 path.Append('/').Append(ShareName);
-                if (!string.IsNullOrWhiteSpace(_directoryOrFilePath))
+                if (!string.IsNullOrEmpty(_directoryOrFilePath))
                 {
                     path.Append('/').Append(_directoryOrFilePath.EscapePath());
                 }

sdk/storage/Azure.Storage.Files.Shares/tests/DirectoryClientTests.cs

@@ -1997,6 +1997,7 @@ public async Task GetSubdirectoryAsync_NonAsciiName()
         [TestCase("%21%27%28%29%3B%5B%5D", "%2B%24%2C%23äÄöÖüÜß%3B")]
         [TestCase("directory", "my cool file")]
         [TestCase("directory", "file")]
+        [TestCase("  ", "  ")]
         [RetryOnException(5, typeof(RequestFailedException))]
         public async Task GetFileClient_SpecialCharacters(string directoryName, string fileName)
         {
@@ -2061,6 +2062,7 @@ public async Task GetFileClient_SpecialCharacters(string directoryName, string f
         [TestCase("%21%27%28", "%21%27%28%29%3B%5B%5D%40%26äÄöÖüÜß%3B")]
         [TestCase("directory", "my cool directory")]
         [TestCase("directory0", "directory1")]
+        [TestCase(" ", " ")]
         public async Task GetSubDirectoryClient_SpecialCharacters(string directoryName, string subDirectoryName)
         {
             await using DisposingShare test = await GetTestShareAsync();

sdk/storage/Azure.Storage.Files.Shares/tests/ShareClientTests.cs

@@ -2288,6 +2288,7 @@ public async Task DeleteDirectoryAsync()
         [TestCase("%21%27%28%29%3B%5B%5D%40%26%25%3D%2B%24%2C%23äÄöÖüÜß%3B")]
         [TestCase("my cool directory")]
         [TestCase("directory")]
+        [TestCase("  ")]
         public async Task GetDirectoryClient_SpecialCharacters(string directoryName)
         {
             // Arrange