fe/fe-core/src/test/java/org/apache/doris/external/elasticsearch/PartitionPhaseTest.java

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package org.apache.doris.external.elasticsearch;

import org.apache.doris.catalog.Column;
import org.apache.doris.catalog.EsTable;
import org.apache.doris.catalog.PrimitiveType;
import org.apache.doris.common.ExceptionChecker;

import org.codehaus.jackson.JsonParser;
import org.codehaus.jackson.map.ObjectMapper;
import org.junit.Test;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import mockit.Expectations;
import mockit.Injectable;

import static org.junit.Assert.assertNotNull;

public class PartitionPhaseTest extends EsTestCase {

    @Test
    public void testWorkFlow(@Injectable EsRestClient client) throws Exception {
        final EsShardPartitions[] esShardPartitions = {null};
        ExceptionChecker.expectThrowsNoException(() ->
                esShardPartitions[0] = EsShardPartitions.findShardPartitions("doe",
                        loadJsonFromFile("data/es/test_search_shards.json")));
        assertNotNull(esShardPartitions[0]);
        ObjectMapper mapper = new ObjectMapper();
        JsonParser jsonParser = mapper.getJsonFactory().createJsonParser(loadJsonFromFile("data/es/test_nodes_http.json"));
        Map<String, Map<String, Object>> nodesData = (Map<String, Map<String, Object>>) mapper.readValue(jsonParser, Map.class).get("nodes");
        Map<String, EsNodeInfo> nodesMap = new HashMap<>();
        for (Map.Entry<String, Map<String, Object>> entry : nodesData.entrySet()) {
            EsNodeInfo node = new EsNodeInfo(entry.getKey(), entry.getValue());
            if (node.hasHttp()) {
                nodesMap.put(node.getId(), node);
            }
        }

        new Expectations(client) {
            {
                client.getHttpNodes();
                minTimes = 0;
                result = nodesMap;

                client.searchShards("doe");
                minTimes = 0;
                result = esShardPartitions[0];
            }
        };
        List<Column> columns = new ArrayList<>();
        Column k1 = new Column("k1", PrimitiveType.BIGINT);
        columns.add(k1);
        EsTable esTableBefore7X = fakeEsTable("doe", "doe", "doc", columns);
        SearchContext context = new SearchContext(esTableBefore7X);
        PartitionPhase partitionPhase = new PartitionPhase(client);
        ExceptionChecker.expectThrowsNoException(() -> partitionPhase.execute(context));
        ExceptionChecker.expectThrowsNoException(() -> partitionPhase.postProcess(context));
        assertNotNull(context.tablePartitions());
    }
}