Add unit test

Signed-off-by: Louis Chu <clingzhi@amazon.com>

async-query-core/src/main/antlr/SqlBaseParser.g4

@@ -52,7 +52,7 @@ singleCompoundStatement
     ;
 
 beginEndCompoundBlock
-    : BEGIN compoundBody END
+    : beginLabel? BEGIN compoundBody END endLabel?
     ;
 
 compoundBody

async-query/build.gradle

@@ -17,6 +17,7 @@ repositories {
 
 dependencies {
     compileOnly "org.opensearch:opensearch-job-scheduler-spi:${opensearch_build}"
+    testCompileOnly "org.opensearch:opensearch-job-scheduler-spi:${opensearch_build}"
 
     api project(':core')
     api project(':async-query-core')

async-query/src/main/java/org/opensearch/sql/spark/scheduler/OpenSearchAsyncQueryScheduler.java

@@ -149,7 +149,7 @@ public void removeJob(String jobId) {
   }
 
   /** Creates the async query scheduler index with specified mappings and settings. */
-  private void createAsyncQuerySchedulerIndex() {
+  void createAsyncQuerySchedulerIndex() {
     try {
       InputStream mappingFileStream =
           OpenSearchAsyncQueryScheduler.class

async-query/src/test/java/org/opensearch/sql/spark/scheduler/OpenSearchAsyncQuerySchedulerTest.java

@@ -0,0 +1,233 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.opensearch.sql.spark.scheduler;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import java.io.IOException;
+import java.time.Instant;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.opensearch.action.DocWriteResponse;
+import org.opensearch.action.admin.indices.create.CreateIndexRequest;
+import org.opensearch.action.admin.indices.create.CreateIndexResponse;
+import org.opensearch.action.delete.DeleteRequest;
+import org.opensearch.action.delete.DeleteResponse;
+import org.opensearch.action.index.IndexRequest;
+import org.opensearch.action.index.IndexResponse;
+import org.opensearch.action.support.WriteRequest;
+import org.opensearch.action.update.UpdateRequest;
+import org.opensearch.action.update.UpdateResponse;
+import org.opensearch.client.Client;
+import org.opensearch.cluster.service.ClusterService;
+import org.opensearch.common.action.ActionFuture;
+import org.opensearch.index.engine.VersionConflictEngineException;
+import org.opensearch.sql.spark.scheduler.model.OpenSearchRefreshIndexJobRequest;
+
+public class OpenSearchAsyncQuerySchedulerTest {
+
+  @Mock private Client client;
+
+  @Mock private ClusterService clusterService;
+
+  @Mock private ActionFuture<IndexResponse> indexResponseActionFuture;
+
+  @Mock private ActionFuture<UpdateResponse> updateResponseActionFuture;
+
+  @Mock private ActionFuture<DeleteResponse> deleteResponseActionFuture;
+
+  @Mock private ActionFuture<CreateIndexResponse> createIndexResponseActionFuture;
+
+  private OpenSearchAsyncQueryScheduler scheduler;
+
+  @BeforeEach
+  public void setup() {
+    MockitoAnnotations.initMocks(this);
+    scheduler = new OpenSearchAsyncQueryScheduler();
+    scheduler.loadJobResource(client, clusterService, null);
+  }
+
+  @Test
+  public void testScheduleJob() throws IOException {
+    OpenSearchRefreshIndexJobRequest request =
+        OpenSearchRefreshIndexJobRequest.builder()
+            .jobName("testJob")
+            .lastUpdateTime(Instant.now())
+            .build();
+
+    IndexResponse indexResponse = mock(IndexResponse.class);
+    when(indexResponseActionFuture.actionGet()).thenReturn(indexResponse);
+    when(indexResponse.getResult()).thenReturn(DocWriteResponse.Result.CREATED);
+
+    when(client.index(any(IndexRequest.class))).thenReturn(indexResponseActionFuture);
+
+    scheduler.scheduleJob(request);
+
+    ArgumentCaptor<IndexRequest> captor = ArgumentCaptor.forClass(IndexRequest.class);
+    verify(client).index(captor.capture());
+
+    IndexRequest capturedRequest = captor.getValue();
+    assertEquals(request.getName(), capturedRequest.id());
+    assertEquals(WriteRequest.RefreshPolicy.IMMEDIATE, capturedRequest.getRefreshPolicy());
+  }
+
+  @Test
+  public void testScheduleJobWithExistingJob() throws IOException {
+    OpenSearchRefreshIndexJobRequest request =
+        OpenSearchRefreshIndexJobRequest.builder()
+            .jobName("testJob")
+            .lastUpdateTime(Instant.now())
+            .build();
+
+    when(client.index(any(IndexRequest.class))).thenThrow(VersionConflictEngineException.class);
+
+    IllegalArgumentException exception =
+        assertThrows(
+            IllegalArgumentException.class,
+            () -> {
+              scheduler.scheduleJob(request);
+            });
+
+    assertEquals("A job already exists with name: testJob", exception.getMessage());
+  }
+
+  @Test
+  public void testUnscheduleJob() throws IOException {
+    String jobId = "testJob";
+
+    when(clusterService
+            .state()
+            .routingTable()
+            .hasIndex(OpenSearchAsyncQueryScheduler.SCHEDULER_INDEX_NAME))
+        .thenReturn(true);
+
+    UpdateResponse updateResponse = mock(UpdateResponse.class);
+    when(updateResponseActionFuture.actionGet()).thenReturn(updateResponse);
+    when(updateResponse.getResult()).thenReturn(DocWriteResponse.Result.UPDATED);
+
+    when(client.update(any(UpdateRequest.class))).thenReturn(updateResponseActionFuture);
+
+    scheduler.unscheduleJob(jobId);
+
+    ArgumentCaptor<UpdateRequest> captor = ArgumentCaptor.forClass(UpdateRequest.class);
+    verify(client).update(captor.capture());
+
+    UpdateRequest capturedRequest = captor.getValue();
+    assertEquals(jobId, capturedRequest.id());
+    assertEquals(WriteRequest.RefreshPolicy.IMMEDIATE, capturedRequest.getRefreshPolicy());
+  }
+
+  @Test
+  public void testUpdateJob() throws IOException {
+    OpenSearchRefreshIndexJobRequest request =
+        OpenSearchRefreshIndexJobRequest.builder()
+            .jobName("testJob")
+            .lastUpdateTime(Instant.now())
+            .build();
+
+    when(clusterService
+            .state()
+            .routingTable()
+            .hasIndex(OpenSearchAsyncQueryScheduler.SCHEDULER_INDEX_NAME))
+        .thenReturn(true);
+
+    UpdateResponse updateResponse = mock(UpdateResponse.class);
+    when(updateResponseActionFuture.actionGet()).thenReturn(updateResponse);
+    when(updateResponse.getResult()).thenReturn(DocWriteResponse.Result.UPDATED);
+
+    when(client.update(any(UpdateRequest.class))).thenReturn(updateResponseActionFuture);
+
+    scheduler.updateJob(request);
+
+    ArgumentCaptor<UpdateRequest> captor = ArgumentCaptor.forClass(UpdateRequest.class);
+    verify(client).update(captor.capture());
+
+    UpdateRequest capturedRequest = captor.getValue();
+    assertEquals(request.getName(), capturedRequest.id());
+    assertEquals(WriteRequest.RefreshPolicy.IMMEDIATE, capturedRequest.getRefreshPolicy());
+  }
+
+  @Test
+  public void testRemoveJob() {
+    String jobId = "testJob";
+
+    when(clusterService
+            .state()
+            .routingTable()
+            .hasIndex(OpenSearchAsyncQueryScheduler.SCHEDULER_INDEX_NAME))
+        .thenReturn(true);
+
+    DeleteResponse deleteResponse = mock(DeleteResponse.class);
+    when(deleteResponseActionFuture.actionGet()).thenReturn(deleteResponse);
+    when(deleteResponse.getResult()).thenReturn(DocWriteResponse.Result.DELETED);
+
+    when(client.delete(any(DeleteRequest.class))).thenReturn(deleteResponseActionFuture);
+
+    scheduler.removeJob(jobId);
+
+    ArgumentCaptor<DeleteRequest> captor = ArgumentCaptor.forClass(DeleteRequest.class);
+    verify(client).delete(captor.capture());
+
+    DeleteRequest capturedRequest = captor.getValue();
+    assertEquals(jobId, capturedRequest.id());
+    assertEquals(WriteRequest.RefreshPolicy.IMMEDIATE, capturedRequest.getRefreshPolicy());
+  }
+
+  @Test
+  public void testCreateAsyncQuerySchedulerIndex() throws IOException {
+    when(clusterService
+            .state()
+            .routingTable()
+            .hasIndex(OpenSearchAsyncQueryScheduler.SCHEDULER_INDEX_NAME))
+        .thenReturn(false);
+
+    CreateIndexResponse createIndexResponse = mock(CreateIndexResponse.class);
+    when(createIndexResponseActionFuture.actionGet()).thenReturn(createIndexResponse);
+    when(createIndexResponse.isAcknowledged()).thenReturn(true);
+
+    when(client.admin().indices().create(any(CreateIndexRequest.class)))
+        .thenReturn(createIndexResponseActionFuture);
+
+    scheduler.createAsyncQuerySchedulerIndex();
+
+    ArgumentCaptor<CreateIndexRequest> captor = ArgumentCaptor.forClass(CreateIndexRequest.class);
+    verify(client.admin().indices()).create(captor.capture());
+
+    CreateIndexRequest capturedRequest = captor.getValue();
+    assertEquals(OpenSearchAsyncQueryScheduler.SCHEDULER_INDEX_NAME, capturedRequest.index());
+  }
+
+  @Test
+  public void testCreateAsyncQuerySchedulerIndexFailure() throws IOException {
+    when(clusterService
+            .state()
+            .routingTable()
+            .hasIndex(OpenSearchAsyncQueryScheduler.SCHEDULER_INDEX_NAME))
+        .thenReturn(false);
+
+    when(client.admin().indices().create(any(CreateIndexRequest.class)))
+        .thenThrow(new RuntimeException("Error creating index"));
+
+    RuntimeException exception =
+        assertThrows(
+            RuntimeException.class,
+            () -> {
+              scheduler.createAsyncQuerySchedulerIndex();
+            });
+
+    assertEquals(
+        "Internal server error while creating .async-query-scheduler index: Error creating index",
+        exception.getMessage());
+  }
+}