SNOW-937188 added test to cover pool retrieval not working for invali…

…d connection string

Snowflake.Data.Tests/UnitTests/Session/SessionPoolTest.cs

@@ -1,7 +1,10 @@
 using System.Net;
 using System.Text.RegularExpressions;
 using NUnit.Framework;
+using Snowflake.Data.Client;
+using Snowflake.Data.Core;
 using Snowflake.Data.Core.Session;
+using Snowflake.Data.Tests.Util;
 
 namespace Snowflake.Data.Tests.UnitTests.Session
 {
@@ -86,6 +89,20 @@ public void TestPoolIdentificationBasedOnConnectionString(string connectionStrin
             Assert.AreEqual(expectedPoolIdentification, poolIdentification);
         }
 
+        [Test]
+        public void TestRetrievePoolFailureForInvalidConnectionString()
+        {
+            // arrange
+            var invalidConnectionString = "account=someAccount;db=someDb;host=someHost;user=SomeUser;port=443"; // invalid because password is not provided
+
+            // act
+            var exception = Assert.Throws<SnowflakeDbException>(() => SessionPool.CreateSessionPool(invalidConnectionString, null));
+
+            // assert
+            SnowflakeDbExceptionAssert.HasErrorCode(exception, SFError.MISSING_CONNECTION_PROPERTY);
+            Assert.IsTrue(exception.Message.Contains("Required property PASSWORD is not provided"));
+        }
+
         [Test]
         public void TestPoolIdentificationBasedOnInternalId()
         {