Android example source code file (SQLiteJDBCDriverTest.java)

This example Android source code file (SQLiteJDBCDriverTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, couldn't, create, exception, file, io, jdbc, mediumtest, not, null, override, preparedstatement, sql, sqlexception, sqlitejdbcdrivertest, statement, string, test, varchar

The SQLiteJDBCDriverTest.java Android example source code

/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.database.sqlite;

import java.io.File;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.Statement;
import android.test.suitebuilder.annotation.MediumTest;

/**
 * Minimal test for JDBC driver
 */
public class SQLiteJDBCDriverTest extends AbstractJDBCDriverTest {

    private File dbFile;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        dbFile = File.createTempFile("sqliteTestDB", null);
    }
    
    @Override
    protected void tearDown() throws Exception {
        if(dbFile != null) {
            dbFile.delete();
        }
        super.tearDown();
    }

    @Override
    protected String getConnectionURL() {
        return "jdbc:sqlite:/" + dbFile;
    }

    @Override
    protected File getDbFile() {
        return dbFile;
    }

    @Override
    protected String getJDBCDriverClassName() {
        return "SQLite.JDBCDriver";
    }
    
    // Regression test for (Noser) #255: PreparedStatement.executeUpdate results
    // in VM crashing with SIGABRT.
    @MediumTest
    public void test_connection3() throws Exception {
        PreparedStatement prst = null;
        Statement st = null;
        Connection conn = null;
        try {
            Class.forName("SQLite.JDBCDriver").newInstance();
            if (dbFile.exists()) {
                dbFile.delete();
            }
            conn = DriverManager.getConnection("jdbc:sqlite:/"
                        + dbFile.getPath());
            assertNotNull(conn);

            // create table
            st = conn.createStatement();
            String sql = "CREATE TABLE zoo (ZID INTEGER NOT NULL, family VARCHAR (20) NOT NULL, name VARCHAR (20) NOT NULL, PRIMARY KEY(ZID) )";
            st.executeUpdate(sql);
            
            String update = "update zoo set family = ? where name = ?;";
            prst = conn.prepareStatement(update);
            prst.setString(1, "cat");
            prst.setString(2, "Yasha");
            // st = conn.createStatement();
            // st.execute("select * from zoo where family = 'cat'");
            // ResultSet rs = st.getResultSet();
            // assertEquals(0, getCount(rs));
            prst.executeUpdate();
            // st.execute("select * from zoo where family = 'cat'");
            // ResultSet rs1 = st.getResultSet();
            // assertEquals(1, getCount(rs1));
            try {
                prst = conn.prepareStatement("");
                prst.execute();
                fail("SQLException is not thrown");
            } catch (SQLException e) {
                // expected
            }
            
            try {
                conn.prepareStatement(null);
                fail("NPE is not thrown");
            } catch (Exception e) {
                // expected
            }
            try {
                st = conn.createStatement();
                st.execute("drop table if exists zoo");
                
            } catch (SQLException e) {
                fail("Couldn't drop table: " + e.getMessage());
            } finally {
                try {
                    st.close();
                    conn.close();
                } catch (SQLException ee) {
                }
            }
        } finally {
            try {
                if (prst != null) {
                    prst.close();
                }
                if (st != null) {
                    st.close();
                }
            } catch (SQLException ee) {
            }
        }

    }
    
}