fe/fe-core/src/test/java/org/apache/doris/catalog/OdbcCatalogResourceTest.java

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package org.apache.doris.catalog;

import org.apache.doris.analysis.AccessTestUtil;
import org.apache.doris.analysis.Analyzer;
import org.apache.doris.analysis.CreateResourceStmt;
import org.apache.doris.common.FeMetaVersion;
import org.apache.doris.common.UserException;
import org.apache.doris.common.proc.BaseProcResult;
import org.apache.doris.meta.MetaContext;
import org.apache.doris.mysql.privilege.PaloAuth;
import org.apache.doris.mysql.privilege.PrivPredicate;
import org.apache.doris.persist.DropInfo;
import org.apache.doris.qe.ConnectContext;

import com.google.common.collect.Maps;
import mockit.Expectations;
import mockit.Injectable;
import mockit.Mocked;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.HashMap;
import java.util.Map;

public class OdbcCatalogResourceTest {
    private String name;
    private String type;

    private String host;
    private String port;
    private String user;
    private String passwd;
    private Map<String, String> properties;
    private Analyzer analyzer;

    @Before
    public void setUp() {
        name = "odbc";
        type = "odbc_catalog";
        host = "127.0.0.1";
        port = "7777";
        user = "doris";
        passwd = "doris";
        properties = Maps.newHashMap();
        properties.put("type", type);
        properties.put("host", host);
        properties.put("port", port);
        properties.put("user", user);
        properties.put("password", passwd);
        analyzer = AccessTestUtil.fetchAdminAnalyzer(true);
    }

    @Test
    public void testFromStmt(@Mocked Catalog catalog, @Injectable PaloAuth auth)
            throws UserException {
        new Expectations() {
            {
                catalog.getAuth();
                result = auth;
                auth.checkGlobalPriv((ConnectContext) any, PrivPredicate.ADMIN);
                result = true;
            }
        };

        // host: 127.0.0.1, port: 7777, without driver and odbc_type
        CreateResourceStmt stmt = new CreateResourceStmt(true, name, properties);
        stmt.analyze(analyzer);
        OdbcCatalogResource resource = (OdbcCatalogResource) Resource.fromStmt(stmt);
        Assert.assertEquals(name, resource.getName());
        Assert.assertEquals(type, resource.getType().name().toLowerCase());
        Assert.assertEquals(host, resource.getProperties("host"));
        Assert.assertEquals(port, resource.getProperties("port"));
        Assert.assertEquals(user, resource.getProperties("user"));
        Assert.assertEquals(passwd, resource.getProperties("password"));

        // with driver and odbc_type
        properties.put("driver", "mysql");
        properties.put("odbc_type", "mysql");
        stmt = new CreateResourceStmt(true, name, properties);
        stmt.analyze(analyzer);
        resource = (OdbcCatalogResource) Resource.fromStmt(stmt);
        Assert.assertEquals("mysql", resource.getProperties("driver"));
        Assert.assertEquals("mysql", resource.getProperties("odbc_type"));

        // test getProcNodeData
        BaseProcResult result = new BaseProcResult();
        resource.getProcNodeData(result);
        Assert.assertEquals(7, result.getRows().size());
    }

    @Test
    public void testSerialization() throws Exception {
        MetaContext metaContext = new MetaContext();
        metaContext.setMetaVersion(FeMetaVersion.VERSION_92);
        metaContext.setThreadLocalInfo();

        // 1. Write objects to file
        File file = new File("./odbcCatalogResource");
        file.createNewFile();
        DataOutputStream dos = new DataOutputStream(new FileOutputStream(file));

        OdbcCatalogResource odbcCatalogResource1 = new OdbcCatalogResource("odbc1");
        odbcCatalogResource1.write(dos);

        Map<String, String> configs = new HashMap<>();
        configs.put("host", "host");
        configs.put("port", "port");
        configs.put("user", "user");
        configs.put("password", "password");
        OdbcCatalogResource odbcCatalogResource2 = new OdbcCatalogResource("odbc2");
        odbcCatalogResource2.setProperties(configs);
        odbcCatalogResource2.write(dos);

        dos.flush();
        dos.close();

        // 2. Read objects from file
        DataInputStream dis = new DataInputStream(new FileInputStream(file));

        OdbcCatalogResource rOdbcCatalogResource1 = (OdbcCatalogResource) OdbcCatalogResource.read(dis);
        OdbcCatalogResource rOdbcCatalogResource2 = (OdbcCatalogResource) OdbcCatalogResource.read(dis);

        Assert.assertEquals("odbc1", rOdbcCatalogResource1.getName());
        Assert.assertEquals("odbc2", rOdbcCatalogResource2.getName());

        Assert.assertEquals(rOdbcCatalogResource2.getProperties("host"), "host");
        Assert.assertEquals(rOdbcCatalogResource2.getProperties("port"), "port");
        Assert.assertEquals(rOdbcCatalogResource2.getProperties("user"), "user");
        Assert.assertEquals(rOdbcCatalogResource2.getProperties("password"), "password");

        // 3. delete files
        dis.close();
        file.delete();
    }
}