fe/fe-core/src/test/java/org/apache/doris/common/proc/BackendProcNodeTest.java

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//   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.doris.common.proc;

import mockit.Expectations;
import mockit.Mocked;
import org.apache.doris.catalog.Catalog;
import org.apache.doris.catalog.DiskInfo;
import org.apache.doris.common.AnalysisException;
import org.apache.doris.persist.EditLog;
import org.apache.doris.system.Backend;

import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;

import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

import java.util.Map;

public class BackendProcNodeTest {
    private Backend b1;
    @Mocked
    private Catalog catalog;
    @Mocked
    private EditLog editLog;

    @Before
    public void setUp() {
        new Expectations() {
            {
                editLog.logAddBackend((Backend) any);
                minTimes = 0;

                editLog.logDropBackend((Backend) any);
                minTimes = 0;

                editLog.logBackendStateChange((Backend) any);
                minTimes = 0;

                catalog.getNextId();
                minTimes = 0;
                result = 10000L;

                catalog.getEditLog();
                minTimes = 0;
                result = editLog;
            }
        };

        new Expectations(catalog) {
            {
                Catalog.getCurrentCatalog();
                minTimes = 0;
                result = catalog;
            }
        };

        b1 = new Backend(1000, "host1", 10000);
        b1.updateOnce(10001, 10003, 10005);
        Map<String, DiskInfo> disks = Maps.newHashMap();
        disks.put("/home/disk1", new DiskInfo("/home/disk1"));
        ImmutableMap<String, DiskInfo> immutableMap = ImmutableMap.copyOf(disks);
        b1.setDisks(immutableMap);
    }

    @After
    public void tearDown() {
    }

    @Test
    public void testResultNormal() throws AnalysisException {
        BackendProcNode node = new BackendProcNode(b1);
        ProcResult result;

        // fetch result
        result = node.fetchResult();
        Assert.assertNotNull(result);
        Assert.assertTrue(result instanceof BaseProcResult);

        Assert.assertTrue(result.getRows().size() >= 1);
        Assert.assertEquals(Lists.newArrayList("RootPath", "DataUsedCapacity", "OtherUsedCapacity", "AvailCapacity",
                "TotalCapacity", "TotalUsedPct", "State", "PathHash"), result.getColumnNames());
    }

}