tests

Author: YunchuWang

src/Abstractions/Converters/LargePayloadDataConverter.cs

@@ -78,6 +78,17 @@ public sealed class LargePayloadDataConverter(DataConverter innerConverter, IPay
             toDeserialize = this.payLoadStore.DownloadAsync(data, CancellationToken.None).GetAwaiter().GetResult();
         }
 
-        return this.innerConverter.Deserialize(toDeserialize, targetType);
+        return this.innerConverter.Deserialize(StripArrayCharacters(toDeserialize), targetType);
+    }
+
+    static string? StripArrayCharacters(string? input)
+    {
+        if (input != null && input.StartsWith('[') && input.EndsWith(']'))
+        {
+            // Strip the outer bracket characters
+            return input[1..^1];
+        }
+
+        return input;
     }
 }

src/Abstractions/Converters/LargePayloadStorageOptions.cs

@@ -9,6 +9,14 @@ namespace Microsoft.DurableTask.Converters;
 /// </summary>
 public sealed class LargePayloadStorageOptions
 {
+    /// <summary>
+    /// Initializes a new instance of the <see cref="LargePayloadStorageOptions"/> class.
+    /// Parameterless constructor required for options activation.
+    /// </summary>
+    public LargePayloadStorageOptions()
+    {
+    }
+
     /// <summary>
     /// Initializes a new instance of the <see cref="LargePayloadStorageOptions"/> class.
     /// </summary>
@@ -32,7 +40,7 @@ public LargePayloadStorageOptions(string connectionString)
     /// <summary>
     /// Gets or sets the Azure Storage connection string to the customer's storage account. Required.
     /// </summary>
-    public string ConnectionString { get; set; }
+    public string ConnectionString { get; set; } = string.Empty;
 
     /// <summary>
     /// Gets or sets the blob container name to use for payloads. Defaults to "durabletask-payloads".