crossdc-consumer/src/test/java/org/apache/solr/crossdc/TestMessageProcessor.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
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package org.apache.solr.crossdc;

import org.apache.solr.client.solrj.impl.CloudSolrClient;
import org.apache.solr.client.solrj.request.UpdateRequest;
import org.apache.solr.client.solrj.response.UpdateResponse;
import org.apache.solr.common.SolrException;
import org.apache.solr.common.SolrInputDocument;
import org.apache.solr.common.util.NamedList;
import org.apache.solr.crossdc.common.IQueueHandler;
import org.apache.solr.crossdc.common.MirroredSolrRequest;
import org.apache.solr.crossdc.common.ResubmitBackoffPolicy;
import org.apache.solr.crossdc.messageprocessor.SolrMessageProcessor;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;

import java.util.Map;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.mockito.Mockito.*;

public class TestMessageProcessor {
    static final String VERSION_FIELD = "_version_";

    @Mock
    private CloudSolrClient solrClient;
    private SolrMessageProcessor processor;

    private ResubmitBackoffPolicy backoffPolicy = spy(new NoOpResubmitBackoffPolicy());

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);

        processor = Mockito.spy(new SolrMessageProcessor(solrClient,
                backoffPolicy));
        Mockito.doNothing().when(processor).uncheckedSleep(anyLong());
    }

    @Test
    public void testDocumentSanitization() {
        UpdateRequest request = spy(new UpdateRequest());

        // Add docs with and without version
        request.add(new SolrInputDocument() {
            {
                setField("id", 1);
                setField(VERSION_FIELD, 1);
            }
        });
        request.add(new SolrInputDocument() {
            {
                setField("id", 2);
            }
        });

        // Delete by id with and without version
        request.deleteById("1");
        request.deleteById("2", 10L);

        request.setParam("shouldMirror", "true");
        // The response is irrelevant, but it will fail because mocked server returns null when processing
        processor.handleItem(new MirroredSolrRequest(request));

        // After processing, check that all version fields are stripped
        for (SolrInputDocument doc : request.getDocuments()) {
            assertNull("Doc still has version", doc.getField(VERSION_FIELD));
        }

        // Check versions in delete by id
        for (Map<String, Object> idParams : request.getDeleteByIdMap().values()) {
            if (idParams != null) {
                idParams.put(UpdateRequest.VER, null);
                assertNull("Delete still has version", idParams.get(UpdateRequest.VER));
            }
        }
    }

    @Test
    @Ignore // needs to be modified to fully support request.process
    public void testSuccessNoBackoff() throws Exception {
        final UpdateRequest request = spy(new UpdateRequest());

        when(solrClient.request(eq(request), anyString())).thenReturn(new NamedList<>());

        when(request.process(eq(solrClient))).thenReturn(new UpdateResponse());

        processor.handleItem(new MirroredSolrRequest(request));

        verify(backoffPolicy, times(0)).getBackoffTimeMs(any());
    }

    @Test
    public void testClientErrorNoRetries() throws Exception {
        final UpdateRequest request = new UpdateRequest();
        request.setParam("shouldMirror", "true");
        when(solrClient.request(eq(request), anyString())).thenThrow(
                new SolrException(
                        SolrException.ErrorCode.BAD_REQUEST, "err msg"));

        IQueueHandler.Result<MirroredSolrRequest> result = processor.handleItem(new MirroredSolrRequest(request));
        assertEquals(IQueueHandler.ResultStatus.FAILED_RESUBMIT, result.status());
    }
}