Run unit tests in CICD and make it work

.github/workflows/main.yml

@@ -70,5 +70,15 @@ jobs:
           dotnet format --verify-no-changes --severity warn --verbosity diagnostic src/Cassandra/Cassandra.csproj
           dotnet format --verify-no-changes --severity warn --verbosity diagnostic src/Cassandra.Tests/Cassandra.Tests.csproj
 
+      - name: Install Mono
+        run: |
+          sudo apt update
+          sudo apt install -y mono-complete
+          mono --version
+
+      - name: Run unit tests
+        run: dotnet test src/Cassandra.Tests/Cassandra.Tests.csproj
+
       - name: Run integration tests on Scylla
         run: SCYLLA_EXT_OPTS="--smp 2 --memory 4G" SIMULACRON_PATH=../../../../../ci/simulacron-standalone-0.12.0.jar dotnet test src/Cassandra.IntegrationTests/Cassandra.IntegrationTests.csproj -f net8 -l "console;verbosity=detailed" --filter "(FullyQualifiedName!~ClientWarningsTests & FullyQualifiedName!~CustomPayloadTests & FullyQualifiedName!~Connect_With_Ssl_Test & FullyQualifiedName!~Should_UpdateHosts_When_HostIpChanges & FullyQualifiedName!~Should_UseNewHostInQueryPlans_When_HostIsDecommissionedAndJoinsAgain & FullyQualifiedName!~Should_RemoveNodeMetricsAndDisposeMetricsContext_When_HostIsRemoved & FullyQualifiedName!~Virtual_Keyspaces_Are_Included & FullyQualifiedName!~Virtual_Table_Metadata_Test & FullyQualifiedName!~SessionAuthenticationTests & FullyQualifiedName!~TypeSerializersTests & FullyQualifiedName!~Custom_MetadataTest & FullyQualifiedName!~LinqWhere_WithVectors & FullyQualifiedName!~SimpleStatement_With_No_Compact_Enabled_Should_Reveal_Non_Schema_Columns & FullyQualifiedName!~SimpleStatement_With_No_Compact_Disabled_Should_Not_Reveal_Non_Schema_Columns & FullyQualifiedName!~ColumnClusteringOrderReversedTest & FullyQualifiedName!~GetMaterializedView_Should_Refresh_View_Metadata_Via_Events & FullyQualifiedName!~MaterializedView_Base_Table_Column_Addition & FullyQualifiedName!~MultipleSecondaryIndexTest & FullyQualifiedName!~RaiseErrorOnInvalidMultipleSecondaryIndexTest & FullyQualifiedName!~TableMetadataAllTypesTest & FullyQualifiedName!~TableMetadataClusteringOrderTest & FullyQualifiedName!~TableMetadataCollectionsSecondaryIndexTest & FullyQualifiedName!~TableMetadataCompositePartitionKeyTest & FullyQualifiedName!~TupleMetadataTest & FullyQualifiedName!~Udt_Case_Sensitive_Metadata_Test & FullyQualifiedName!~UdtMetadataTest & FullyQualifiedName!~Should_Retrieve_Table_Metadata & FullyQualifiedName!~CreateTable_With_Frozen_Key & FullyQualifiedName!~CreateTable_With_Frozen_Udt & FullyQualifiedName!~CreateTable_With_Frozen_Value & FullyQualifiedName!~Should_AllMetricsHaveValidValues_When_AllNodesAreUp & FullyQualifiedName!~SimpleStatement_Dictionary_Parameters_CaseInsensitivity_ExcessOfParams & FullyQualifiedName!~SimpleStatement_Dictionary_Parameters_CaseInsensitivity_NoOverload & FullyQualifiedName!~TokenAware_TransientReplication_NoHopsAndOnlyFullReplicas & FullyQualifiedName!~GetFunction_Should_Return_Most_Up_To_Date_Metadata_Via_Events & FullyQualifiedName!~LargeDataTests & FullyQualifiedName!~MetadataTests & FullyQualifiedName!~MultiThreadingTests & FullyQualifiedName!~PoolTests & FullyQualifiedName!~PrepareLongTests & FullyQualifiedName!~SpeculativeExecutionLongTests & FullyQualifiedName!~StressTests & FullyQualifiedName!~TransitionalAuthenticationTests & FullyQualifiedName!~ProxyAuthenticationTests & FullyQualifiedName!~SessionDseAuthenticationTests & FullyQualifiedName!~CloudIntegrationTests & FullyQualifiedName!~CoreGraphTests & FullyQualifiedName!~GraphTests & FullyQualifiedName!~InsightsIntegrationTests & FullyQualifiedName!~DateRangeTests & FullyQualifiedName!~FoundBugTests & FullyQualifiedName!~GeometryTests & FullyQualifiedName!~LoadBalancingPolicyTests & FullyQualifiedName!~ConsistencyTests & FullyQualifiedName!~LoadBalancingPolicyTests & FullyQualifiedName!~ReconnectionPolicyTests & FullyQualifiedName!~RetryPolicyTests)"
+

src/Cassandra.Tests/ApiTests.cs

@@ -57,6 +57,7 @@ public void Cassandra_Exported_Namespaces()
             CollectionAssert.AreEqual(new[]
             {
                 "Cassandra",
+                "Cassandra.Connections",
                 "Cassandra.Data",
                 "Cassandra.Data.Linq",
                 "Cassandra.DataStax.Auth",

src/Cassandra.Tests/DataStax/Auth/DseGssapiAuthProviderTests.cs

@@ -45,16 +45,23 @@ public void When_NetStandard20AndNotWindows_Should_ThrowException()
 
 #if NETFRAMEWORK
 
+        [Test]
+        public void When_NetFramework_Should_NotThrowException()
+        {
+            var provider = new DseGssapiAuthProvider();
+        }
+
+#else
         [WinOnly]
         [Test]
-        public void When_NetFrameworkAndWindows_Should_NotThrowException()
+        public void When_NotNetFrameworkAndWindows_Should_NotThrowException()
         {
             var provider = new DseGssapiAuthProvider();
         }
 
         [NotWindows]
         [Test]
-        public void When_NetFrameworkAndNotWindows_Should_NotThrowException()
+        public void When_NotNetFrameworkAndNotWindows_Should_ThrowException()
         {
             Assert.Throws<NotSupportedException>(() =>
             {

src/Cassandra.Tests/HostConnectionPoolTests.cs

@@ -94,7 +94,8 @@ private static Mock<HostConnectionPool> GetPoolMock(Host host = null, Configurat
                 host,
                 config,
                 new SerializerManager(ProtocolVersion.MaxSupported),
-                new MetricsObserverFactory(new MetricsManager(new NullDriverMetricsProvider(), new DriverMetricsOptions(), false, "s1")));
+                new MetricsObserverFactory(new MetricsManager(new NullDriverMetricsProvider(), new DriverMetricsOptions(), false, "s1")),
+                M3PToken.Factory);
         }
 
         private static Configuration GetConfig(int coreConnections = 3, int maxConnections = 8, IReconnectionPolicy rp = null)

src/Cassandra/Connections/Connection.cs

@@ -461,7 +461,7 @@ private void IdleTimeoutHandler(object state)
         /// <exception cref="UnsupportedProtocolVersionException"></exception>
         public async Task<Response> Open()
         {
-            return await Open(-1, 0);
+            return await Open(-1, 0).ConfigureAwait(false);
         }
 
         /// <summary>

src/Cassandra/Metadata.cs

@@ -104,7 +104,7 @@ internal TokenFactory GetTokenFactory()
         {
             if (_tokenMap == null)
             {
-                throw new DriverInternalError("Token map is not initialized");
+                return null;
             }
             return _tokenMap.Factory;
         }