Remove one unnecesary test and simply some code in a test (opensearch-project#14360) (opensearch-project#14412)

(cherry picked from commit 1d14569)

Signed-off-by: Liyun Xiu <xiliyun@amazon.com>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: opensearch-trigger-bot[bot]

server/src/internalClusterTest/java/org/opensearch/ingest/IngestClientIT.java

@@ -189,7 +189,7 @@ private void runBulkTestWithRandomDocs(boolean shouldSetBatchSize) throws Except
         int numRequests = scaledRandomIntBetween(32, 128);
         BulkRequest bulkRequest = new BulkRequest();
         if (shouldSetBatchSize) {
-            bulkRequest.batchSize(numRequests);
+            bulkRequest.batchSize(scaledRandomIntBetween(2, numRequests));
         }
         for (int i = 0; i < numRequests; i++) {
             IndexRequest indexRequest = new IndexRequest("index").id(Integer.toString(i)).setPipeline("_id");
@@ -214,6 +214,9 @@ private void runBulkTestWithRandomDocs(boolean shouldSetBatchSize) throws Except
                 );
                 assertThat(indexResponse, notNullValue());
                 assertThat(indexResponse.getId(), equalTo(Integer.toString(i)));
+                // verify field of successful doc
+                Map<String, Object> successDoc = client().prepareGet("index", indexResponse.getId()).get().getSourceAsMap();
+                assertThat(successDoc.get("processed"), equalTo(true));
                 assertEquals(DocWriteResponse.Result.CREATED, indexResponse.getResult());
             }
         }
@@ -223,51 +226,6 @@ private void runBulkTestWithRandomDocs(boolean shouldSetBatchSize) throws Except
         assertTrue(deletePipelineResponse.isAcknowledged());
     }
 
-    public void testBulkWithIngestFailuresBatch() throws Exception {
-        createIndex("index");
-
-        BytesReference source = BytesReference.bytes(
-            jsonBuilder().startObject()
-                .field("description", "my_pipeline")
-                .startArray("processors")
-                .startObject()
-                .startObject("test")
-                .endObject()
-                .endObject()
-                .endArray()
-                .endObject()
-        );
-        PutPipelineRequest putPipelineRequest = new PutPipelineRequest("_id", source, MediaTypeRegistry.JSON);
-        client().admin().cluster().putPipeline(putPipelineRequest).get();
-
-        BulkRequest bulkRequest = new BulkRequest();
-        bulkRequest.batchSize(2);
-        bulkRequest.add(
-            new IndexRequest("index").id("_fail").setPipeline("_id").source(Requests.INDEX_CONTENT_TYPE, "field", "value", "fail", true)
-        );
-        bulkRequest.add(
-            new IndexRequest("index").id("_success").setPipeline("_id").source(Requests.INDEX_CONTENT_TYPE, "field", "value", "fail", false)
-        );
-
-        BulkResponse response = client().bulk(bulkRequest).actionGet();
-        MatcherAssert.assertThat(response.getItems().length, equalTo(bulkRequest.requests().size()));
-
-        Map<String, BulkItemResponse> results = Arrays.stream(response.getItems())
-            .collect(Collectors.toMap(BulkItemResponse::getId, r -> r));
-
-        MatcherAssert.assertThat(results.keySet(), containsInAnyOrder("_fail", "_success"));
-        assertNotNull(results.get("_fail").getFailure());
-        assertNull(results.get("_success").getFailure());
-
-        // verify field of successful doc
-        Map<String, Object> successDoc = client().prepareGet("index", "_success").get().getSourceAsMap();
-        assertThat(successDoc.get("processed"), equalTo(true));
-
-        // cleanup
-        AcknowledgedResponse deletePipelineResponse = client().admin().cluster().prepareDeletePipeline("_id").get();
-        assertTrue(deletePipelineResponse.isAcknowledged());
-    }
-
     public void testBulkWithIngestFailuresAndDropBatch() throws Exception {
         createIndex("index");
 

server/src/test/java/org/opensearch/ingest/IngestServiceTests.java

@@ -81,13 +81,15 @@
 import org.junit.Before;
 
 import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
+import java.util.Set;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicReference;
@@ -97,7 +99,6 @@
 import java.util.function.LongSupplier;
 import java.util.stream.Collectors;
 
-import org.mockito.ArgumentCaptor;
 import org.mockito.ArgumentMatcher;
 import org.mockito.invocation.InvocationOnMock;
 
@@ -1937,27 +1938,21 @@ public void testExecuteBulkRequestInBatchWithExceptionAndDropInCallback() {
             return null;
         }).when(mockCompoundProcessor).batchExecute(any(), any());
 
-        @SuppressWarnings("unchecked")
-        final BiConsumer<Integer, Exception> failureHandler = mock(BiConsumer.class);
-        @SuppressWarnings("unchecked")
-        final BiConsumer<Thread, Exception> completionHandler = mock(BiConsumer.class);
-        final IntConsumer dropHandler = mock(IntConsumer.class);
+        final Map<Integer, Exception> failureHandler = new HashMap<>();
+        final Map<Thread, Exception> completionHandler = new HashMap<>();
+        final List<Integer> dropHandler = new ArrayList<>();
         ingestService.executeBulkRequest(
             3,
             bulkRequest.requests(),
-            failureHandler,
-            completionHandler,
-            dropHandler,
+            failureHandler::put,
+            completionHandler::put,
+            dropHandler::add,
             Names.WRITE,
             bulkRequest
         );
-        ArgumentCaptor<Integer> failureSlotCaptor = ArgumentCaptor.forClass(Integer.class);
-        verify(failureHandler, times(1)).accept(failureSlotCaptor.capture(), any());
-        assertEquals(1, failureSlotCaptor.getValue().intValue());
-        ArgumentCaptor<Integer> dropSlotCaptor = ArgumentCaptor.forClass(Integer.class);
-        verify(dropHandler, times(1)).accept(dropSlotCaptor.capture());
-        assertEquals(2, dropSlotCaptor.getValue().intValue());
-        verify(completionHandler, times(1)).accept(Thread.currentThread(), null);
+        assertEquals(Set.of(1), failureHandler.keySet());
+        assertEquals(List.of(2), dropHandler);
+        assertEquals(Set.of(Thread.currentThread()), completionHandler.keySet());
         verify(mockCompoundProcessor, times(1)).batchExecute(any(), any());
         verify(mockCompoundProcessor, never()).execute(any(), any());
     }