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

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package org.apache.doris.analysis;

import org.apache.doris.common.AnalysisException;
import org.apache.doris.mysql.privilege.MockedAuth;
import org.apache.doris.mysql.privilege.PaloAuth;
import org.apache.doris.qe.ConnectContext;

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

import mockit.Mocked;

public class ShowTableStmtTest {
    private Analyzer analyzer;

    @Mocked
    private PaloAuth auth;
    @Mocked
    private ConnectContext ctx;

    @Before
    public void setUp() {
        analyzer = AccessTestUtil.fetchAdminAnalyzer(true);
        MockedAuth.mockedAuth(auth);
        MockedAuth.mockedConnectContext(ctx, "root", "192.168.1.1");
    }

    @Test
    public void testNormal() throws AnalysisException {
        ShowTableStmt stmt = new ShowTableStmt("", false, null);
        stmt.analyze(analyzer);
        Assert.assertEquals("SHOW TABLES FROM testCluster:testDb", stmt.toString());
        Assert.assertEquals("testCluster:testDb", stmt.getDb());
        Assert.assertFalse(stmt.isVerbose());
        Assert.assertEquals(1, stmt.getMetaData().getColumnCount());
        Assert.assertEquals("Tables_in_testDb", stmt.getMetaData().getColumn(0).getName());

        stmt = new ShowTableStmt("abc", true, null);
        stmt.analyze(analyzer);
        Assert.assertEquals("SHOW FULL TABLES FROM testCluster:abc", stmt.toString());
        Assert.assertEquals(2, stmt.getMetaData().getColumnCount());
        Assert.assertEquals("Tables_in_abc", stmt.getMetaData().getColumn(0).getName());
        Assert.assertEquals("Table_type", stmt.getMetaData().getColumn(1).getName());

        stmt = new ShowTableStmt("abc", true, "bcd");
        stmt.analyze(analyzer);
        Assert.assertEquals("bcd", stmt.getPattern());
        Assert.assertEquals("SHOW FULL TABLES FROM testCluster:abc LIKE 'bcd'", stmt.toString());
        Assert.assertEquals(2, stmt.getMetaData().getColumnCount());
        Assert.assertEquals("Tables_in_abc", stmt.getMetaData().getColumn(0).getName());
        Assert.assertEquals("Table_type", stmt.getMetaData().getColumn(1).getName());
    }

    @Test(expected = AnalysisException.class)
    public void testNoDb() throws AnalysisException {
        ShowTableStmt stmt = new ShowTableStmt("", false, null);
        stmt.analyze(AccessTestUtil.fetchEmptyDbAnalyzer());
        Assert.fail("No exception throws");
    }
}