add test coverage to transportUploadModelAction (#511) (#593)

plugin/build.gradle

@@ -242,7 +242,6 @@ List<String> jacocoExclusions = [
         'org.opensearch.ml.model.MLModelManager',
         'org.opensearch.ml.action.unload.TransportUnloadModelAction',
         'org.opensearch.ml.action.forward.TransportForwardAction',
-        'org.opensearch.ml.action.upload.TransportUploadModelAction',
         'org.opensearch.ml.rest.RestMLPredictionAction',
         'org.opensearch.ml.rest.RestMLUploadModelAction',
         'org.opensearch.ml.rest.RestMLUnloadModelAction',

plugin/src/test/java/org/opensearch/ml/action/upload/TransportUploadModelActionTests.java

@@ -0,0 +1,205 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.opensearch.ml.action.upload;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.*;
+import static org.mockito.Mockito.when;
+
+import org.junit.Before;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+import org.opensearch.action.ActionListener;
+import org.opensearch.action.ActionListenerResponseHandler;
+import org.opensearch.action.index.IndexResponse;
+import org.opensearch.action.support.ActionFilters;
+import org.opensearch.client.Client;
+import org.opensearch.cluster.node.DiscoveryNode;
+import org.opensearch.cluster.service.ClusterService;
+import org.opensearch.ml.cluster.DiscoveryNodeHelper;
+import org.opensearch.ml.common.FunctionName;
+import org.opensearch.ml.common.model.MLModelFormat;
+import org.opensearch.ml.common.model.TextEmbeddingModelConfig;
+import org.opensearch.ml.common.transport.forward.MLForwardResponse;
+import org.opensearch.ml.common.transport.upload.MLUploadInput;
+import org.opensearch.ml.common.transport.upload.MLUploadModelRequest;
+import org.opensearch.ml.common.transport.upload.UploadModelResponse;
+import org.opensearch.ml.engine.ModelHelper;
+import org.opensearch.ml.indices.MLIndicesHandler;
+import org.opensearch.ml.model.MLModelManager;
+import org.opensearch.ml.stats.MLNodeLevelStat;
+import org.opensearch.ml.stats.MLStat;
+import org.opensearch.ml.stats.MLStats;
+import org.opensearch.ml.task.MLTaskDispatcher;
+import org.opensearch.ml.task.MLTaskManager;
+import org.opensearch.tasks.Task;
+import org.opensearch.test.OpenSearchTestCase;
+import org.opensearch.threadpool.ThreadPool;
+import org.opensearch.transport.TransportService;
+
+public class TransportUploadModelActionTests extends OpenSearchTestCase {
+
+    @Mock
+    private TransportService transportService;
+
+    @Mock
+    private ModelHelper modelHelper;
+
+    @Mock
+    private MLIndicesHandler mlIndicesHandler;
+
+    @Mock
+    private MLModelManager mlModelManager;
+
+    @Mock
+    private MLTaskManager mlTaskManager;
+
+    @Mock
+    private ClusterService clusterService;
+
+    @Mock
+    private ThreadPool threadPool;
+
+    @Mock
+    private Client client;
+
+    @Mock
+    private DiscoveryNodeHelper nodeFilter;
+
+    @Mock
+    private MLTaskDispatcher mlTaskDispatcher;
+
+    @Mock
+    private MLStats mlStats;
+
+    @Mock
+    private ActionFilters actionFilters;
+
+    @Mock
+    private Task task;
+
+    @Mock
+    private ActionListener<UploadModelResponse> actionListener;
+
+    @Mock
+    private DiscoveryNode node1;
+
+    @Mock
+    private DiscoveryNode node2;
+
+    @Mock
+    private IndexResponse indexResponse;
+
+    private TransportUploadModelAction transportUploadModelAction;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.openMocks(this);
+
+        transportUploadModelAction = new TransportUploadModelAction(
+            transportService,
+            actionFilters,
+            modelHelper,
+            mlIndicesHandler,
+            mlModelManager,
+            mlTaskManager,
+            clusterService,
+            threadPool,
+            client,
+            nodeFilter,
+            mlTaskDispatcher,
+            mlStats
+        );
+        assertNotNull(transportUploadModelAction);
+
+        MLStat mlStat = mock(MLStat.class);
+        when(mlStats.getStat(eq(MLNodeLevelStat.ML_NODE_TOTAL_REQUEST_COUNT))).thenReturn(mlStat);
+
+        doAnswer(invocation -> {
+            ActionListener<IndexResponse> listener = invocation.getArgument(1);
+            listener.onResponse(indexResponse);
+            return null;
+        }).when(mlTaskManager).createMLTask(any(), any());
+
+        doAnswer(invocation -> {
+            ActionListener<DiscoveryNode> listener = invocation.getArgument(0);
+            listener.onResponse(node1);
+            return null;
+        }).when(mlTaskDispatcher).dispatch(any());
+
+        when(clusterService.localNode()).thenReturn(node2);
+
+        doAnswer(invocation -> { return null; }).when(mlModelManager).uploadMLModel(any(), any());
+
+    }
+
+    public void testDoExecute_successWithLocalNodeEqualToClusterNode() {
+        when(node1.getId()).thenReturn("NodeId1");
+        when(node2.getId()).thenReturn("NodeId1");
+
+        transportUploadModelAction.doExecute(task, prepareRequest(), actionListener);
+        ArgumentCaptor<UploadModelResponse> argumentCaptor = ArgumentCaptor.forClass(UploadModelResponse.class);
+        verify(actionListener).onResponse(argumentCaptor.capture());
+    }
+
+    public void testDoExecute_successWithLocalNodeNotEqualToClusterNode() {
+        when(node1.getId()).thenReturn("NodeId1");
+        when(node2.getId()).thenReturn("NodeId2");
+        MLForwardResponse forwardResponse = Mockito.mock(MLForwardResponse.class);
+        doAnswer(invocation -> {
+            ActionListenerResponseHandler<MLForwardResponse> handler = invocation.getArgument(3);
+            handler.handleResponse(forwardResponse);
+            return null;
+        }).when(transportService).sendRequest(any(), any(), any(), any());
+
+        transportUploadModelAction.doExecute(task, prepareRequest(), actionListener);
+        ArgumentCaptor<UploadModelResponse> argumentCaptor = ArgumentCaptor.forClass(UploadModelResponse.class);
+        verify(actionListener).onResponse(argumentCaptor.capture());
+    }
+
+    public void testTransportUploadModelActionDoExecuteWithDispatchException() {
+        doAnswer(invocation -> {
+            ActionListener<Exception> listener = invocation.getArgument(0);
+            listener.onFailure(new Exception("Failed to dispatch upload model task "));
+            return null;
+        }).when(mlTaskDispatcher).dispatch(any());
+        transportUploadModelAction.doExecute(task, prepareRequest(), actionListener);
+        ArgumentCaptor<Exception> argumentCaptor = ArgumentCaptor.forClass(Exception.class);
+        verify(actionListener).onFailure(argumentCaptor.capture());
+    }
+
+    public void testTransportUploadModelActionDoExecuteWithCreateTaskException() {
+        doAnswer(invocation -> {
+            ActionListener<Exception> listener = invocation.getArgument(1);
+            listener.onFailure(new Exception("Failed to create upload model task"));
+            return null;
+        }).when(mlTaskManager).createMLTask(any(), any());
+
+        transportUploadModelAction.doExecute(task, prepareRequest(), actionListener);
+        ArgumentCaptor<Exception> argumentCaptor = ArgumentCaptor.forClass(Exception.class);
+        verify(actionListener).onFailure(argumentCaptor.capture());
+    }
+
+    private MLUploadModelRequest prepareRequest() {
+        MLUploadInput uploadInput = MLUploadInput
+            .builder()
+            .functionName(FunctionName.BATCH_RCF)
+            .loadModel(true)
+            .version("1.0")
+            .modelName("Test Model")
+            .modelConfig(
+                new TextEmbeddingModelConfig("CUSTOM", 123, TextEmbeddingModelConfig.FrameworkType.SENTENCE_TRANSFORMERS, "all config")
+            )
+            .modelFormat(MLModelFormat.TORCH_SCRIPT)
+            .url("Test URL")
+            .build();
+        return new MLUploadModelRequest(uploadInput);
+    }
+
+}