Fix TableServiceClient.AccountName throwing exception when connecting to Azure Storage Emulator with shortcut (Azure#22710)

* Set account name for dev store account

Author: Yifan Bian

sdk/tables/Azure.Data.Tables/src/TableConnectionString.cs

@@ -412,6 +412,7 @@ private static TableConnectionString GetDevelopmentStorageAccount(Uri proxyUri)
                 account.Settings.Add(TableConstants.ConnectionStrings.DevelopmentProxyUriSetting, proxyUri.ToString());
             }
 
+            account._accountName = credentials.AccountName;
             account.IsDevStoreAccount = true;
 
             return account;

sdk/tables/Azure.Data.Tables/tests/TableServiceClientTests.cs

@@ -71,6 +71,16 @@ public void ConstructorValidatesArguments()
                 () => new TableServiceClient(_urlHttp, new TableSharedKeyCredential(_accountName, string.Empty)),
                 Throws.Nothing,
                 "The constructor should accept an http url.");
+
+            Assert.That(
+                () => new TableServiceClient((string)null),
+                Throws.InstanceOf<ArgumentNullException>(),
+                "The constructor should validate the connectionString");
+
+            Assert.That(
+                () => new TableServiceClient("UseDevelopmentStorage=true"),
+                Throws.Nothing,
+                "The constructor should accept a valid connection string");
         }
 
         /// <summary>
@@ -88,6 +98,18 @@ public void ServiceMethodsValidateArguments()
             Assert.That(async () => await service.DeleteTableAsync(null), Throws.InstanceOf<ArgumentNullException>(), "The method should validate the table name.");
         }
 
+        [Test]
+        public void AccountNameCorrectlyReturned()
+        {
+            Assert.That(
+                () => new TableServiceClient(_url, new TableSharedKeyCredential(_accountName, string.Empty)).AccountName,
+                Is.EqualTo(_accountName));
+
+            Assert.That(
+                () => new TableServiceClient("UseDevelopmentStorage=true").AccountName,
+                Is.EqualTo("devstoreaccount1"));
+        }
+
         [Test]
         public void GetSasBuilderPopulatesPermissionsAndExpiry()
         {