Ignore cancel query test under linux for Sql Server and Oracle

Author: fredericDelaporte

src/NHibernate.Test/Async/Stateless/StatelessSessionCancelQueryFixture.cs

@@ -74,7 +74,8 @@ protected override void OnTearDown()
 
 		protected override bool AppliesTo(Dialect.Dialect dialect)
 		{
-			return TestDialect.SupportsSelectForUpdate;
+			return TestDialect.SupportsCancelQuery &&
+				TestDialect.SupportsSelectForUpdate;
 		}
 
 		private async Task CancelQueryTestAsync(Action<IStatelessSession> queryAction, CancellationToken cancellationToken = default(CancellationToken))

src/NHibernate.Test/Stateless/StatelessSessionCancelQueryFixture.cs

@@ -64,7 +64,8 @@ protected override void OnTearDown()
 
 		protected override bool AppliesTo(Dialect.Dialect dialect)
 		{
-			return TestDialect.SupportsSelectForUpdate;
+			return TestDialect.SupportsCancelQuery &&
+				TestDialect.SupportsSelectForUpdate;
 		}
 
 		private void CancelQueryTest(Action<IStatelessSession> queryAction)

src/NHibernate.Test/TestDialect.cs

@@ -198,5 +198,10 @@ public bool SupportsSqlType(SqlType sqlType)
 		/// Returns true if you can modify the same table which you use in the SELECT part.
 		/// </summary>
 		public virtual bool SupportsModifyAndSelectSameTable => true;
+
+		/// <summary>
+		/// Returns true if you can cancel a query.
+		/// </summary>
+		public virtual bool SupportsCancelQuery => true;
 	}
 }

src/NHibernate.Test/TestDialects/MsSql2008TestDialect.cs

@@ -1,4 +1,6 @@
-namespace NHibernate.Test.TestDialects
+using System.Runtime.InteropServices;
+
+namespace NHibernate.Test.TestDialects
 {
 	public class MsSql2008TestDialect : TestDialect
 	{
@@ -11,5 +13,9 @@ public MsSql2008TestDialect(Dialect.Dialect dialect)
 		/// Does not support SELECT FOR UPDATE with paging
 		/// </summary>
 		public override bool SupportsSelectForUpdateWithPaging => false;
+
+		/// <inheritdoc />
+		/// <remarks>Canceling a query hangs under Linux with Sql2008ClientDriver. (It may be a data provider bug fixed with MicrosoftDataSqlClientDriver.)</remarks>
+		public override bool SupportsCancelQuery => !RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
 	}
 }

src/NHibernate.Test/TestDialects/Oracle10gTestDialect.cs

@@ -1,4 +1,6 @@
-namespace NHibernate.Test.TestDialects
+using System.Runtime.InteropServices;
+
+namespace NHibernate.Test.TestDialects
 {
 	public class Oracle10gTestDialect : TestDialect
 	{
@@ -12,5 +14,9 @@ public Oracle10gTestDialect(Dialect.Dialect dialect) : base(dialect)
 		public override bool SupportsSelectForUpdateWithPaging => false;
 
 		public override bool SupportsAggregateInSubSelect => true;
+
+		/// <inheritdoc />
+		/// <remarks>Canceling a query hangs under Linux with OracleManagedDataClientDriver 21.6.1.</remarks>
+		public override bool SupportsCancelQuery => !RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
 	}
 }