fe/fe-core/src/test/java/org/apache/doris/qe/SessionVariablesTest.java

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.qe;

import org.apache.doris.thrift.TQueryOptions;

import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;

import java.lang.reflect.Field;
import java.util.Map;

public class SessionVariablesTest {

    private static SessionVariable sessionVariable;
    private static int numOfForwardVars;

    @BeforeClass
    public static void beforeClass() throws Exception {
        sessionVariable = new SessionVariable();

        Field[] fields = SessionVariable.class.getFields();
        for (Field f : fields) {
            VariableMgr.VarAttr varAttr = f.getAnnotation(VariableMgr.VarAttr.class);
            if (varAttr == null || !varAttr.needForward()) {
                continue;
            }
            numOfForwardVars++;
        }
    }

    @Test
    public void testForwardSessionVariables() {
        Map<String, String> vars = sessionVariable.getForwardVariables();
        Assert.assertTrue(numOfForwardVars >= 6);
        Assert.assertEquals(numOfForwardVars, vars.size());

        vars.put(SessionVariable.IS_REPORT_SUCCESS, "true");
        sessionVariable.setForwardedSessionVariables(vars);
        Assert.assertEquals(true, sessionVariable.isReportSucc);
    }

    @Test
    public void testForwardQueryOptions() {
        TQueryOptions queryOptions = sessionVariable.getQueryOptionVariables();
        Assert.assertTrue(queryOptions.isSetMemLimit());
        Assert.assertTrue(queryOptions.isSetLoadMemLimit());
        Assert.assertTrue(queryOptions.isSetQueryTimeout());

        queryOptions.setQueryTimeout(123);
        sessionVariable.setForwardedSessionVariables(queryOptions);
        Assert.assertEquals(123, sessionVariable.getQueryTimeoutS());
    }
}