fe/fe-core/src/test/java/org/apache/doris/analysis/ShowResourcesStmtTest.java

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package org.apache.doris.analysis;

import org.apache.doris.analysis.BinaryPredicate.Operator;
import org.apache.doris.catalog.Catalog;
import org.apache.doris.catalog.FakeCatalog;
import org.apache.doris.common.AnalysisException;
import org.apache.doris.common.UserException;
import org.apache.doris.system.SystemInfoService;

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

public class ShowResourcesStmtTest {
    private Analyzer analyzer;
    private Catalog catalog;

    private SystemInfoService systemInfoService;

    FakeCatalog fakeCatalog;

    @Before
    public void setUp() {
        fakeCatalog = new FakeCatalog();

        systemInfoService = AccessTestUtil.fetchSystemInfoService();
        FakeCatalog.setSystemInfo(systemInfoService);

        catalog = AccessTestUtil.fetchAdminCatalog();
        FakeCatalog.setCatalog(catalog);

        analyzer = AccessTestUtil.fetchAdminAnalyzer(true);
    }

    @Test
    public void testNormal() throws UserException, AnalysisException {
        ShowResourcesStmt stmt = new ShowResourcesStmt(null, null, null);
        stmt.analyze(analyzer);
        Assert.assertEquals("SHOW RESOURCES", stmt.toString());
    }

    @Test
    public void testWhere() throws UserException, AnalysisException {
        ShowResourcesStmt stmt = new ShowResourcesStmt(null, null, null);
        stmt.analyze(analyzer);
        Assert.assertEquals("SHOW RESOURCES", stmt.toString());

        SlotRef slotRef = new SlotRef(null, "name");
        StringLiteral stringLiteral = new StringLiteral("abc");
        BinaryPredicate binaryPredicate = new BinaryPredicate(Operator.EQ, slotRef, stringLiteral);
        stmt = new ShowResourcesStmt(binaryPredicate, null, new LimitElement(10));
        stmt.analyze(analyzer);
        Assert.assertEquals("SHOW RESOURCES WHERE `name` = \'abc\' LIMIT 10", stmt.toString());

        LikePredicate likePredicate = new LikePredicate(org.apache.doris.analysis.LikePredicate.Operator.LIKE,
                slotRef, stringLiteral);
        stmt = new ShowResourcesStmt(likePredicate, null, new LimitElement(10));
        stmt.analyze(analyzer);
        Assert.assertEquals("SHOW RESOURCES WHERE `name` LIKE \'abc\' LIMIT 10", stmt.toString());
    }
}