Source Code Cross Referenced for StatementTestSetup.java in  » Database-DBMS » db-derby-10.2 » org » apache » derbyTesting » functionTests » tests » jdbc4 » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » db derby 10.2 » org.apache.derbyTesting.functionTests.tests.jdbc4 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *
003:         * Derby - Class StatementTestSetup
004:         *
005:         * Licensed to the Apache Software Foundation (ASF) under one or more
006:         * contributor license agreements.  See the NOTICE file distributed with
007:         * this work for additional information regarding copyright ownership.
008:         * The ASF licenses this file to you under the Apache License, Version 2.0
009:         * (the "License"); you may not use this file except in compliance with
010:         * the License.  You may obtain a copy of the License at
011:         *
012:         *    http://www.apache.org/licenses/LICENSE-2.0
013:         *
014:         * Unless required by applicable law or agreed to in writing, 
015:         * software distributed under the License is distributed on an 
016:         * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
017:         * either express or implied. See the License for the specific 
018:         * language governing permissions and limitations under the License.
019:         */
020:
021:        package org.apache.derbyTesting.functionTests.tests.jdbc4;
022:
023:        import org.apache.derbyTesting.junit.BaseJDBCTestCase;
024:        import org.apache.derbyTesting.junit.BaseJDBCTestSetup;
025:
026:        import junit.framework.Test;
027:        import junit.extensions.TestSetup;
028:
029:        import java.sql.*;
030:
031:        /**
032:         *  Create the table necessary for running {@link StatementTest}.
033:         *
034:         *  @see StatementTest
035:         */
036:        public class StatementTestSetup extends BaseJDBCTestSetup {
037:
038:            /**
039:             * Initialize database schema.
040:             * Uses the framework specified by the test harness.
041:             *
042:             * @see StatementTest
043:             */
044:            public StatementTestSetup(Test test) {
045:                super (test);
046:            }
047:
048:            /**
049:             * Create the table and data needed for the test.
050:             *
051:             * @throws SQLException if database operations fail.
052:             *
053:             * @see StatementTest
054:             */
055:            protected void setUp() throws SQLException {
056:                Connection con = getConnection();
057:                // Create tables used by the test.
058:                Statement stmt = con.createStatement();
059:                // See if the table is already there, and if so, delete it.
060:                try {
061:                    stmt.execute("select count(*) from stmtTable");
062:                    // Only get here is the table already exists.
063:                    stmt.execute("drop table stmtTable");
064:                } catch (SQLException sqle) {
065:                    // Table does not exist, so we can go ahead and create it.
066:                    assertEquals(
067:                            "Unexpected error when accessing non-existing table.",
068:                            "42X05", sqle.getSQLState());
069:                }
070:                stmt
071:                        .execute("create table stmtTable (id int, val varchar(10))");
072:                stmt
073:                        .execute("insert into stmtTable values (1, 'one'),(2,'two')");
074:                // Check just to be sure, and to notify developers if the database
075:                // contents are changed at a later time.
076:                ResultSet rs = stmt
077:                        .executeQuery("select count(*) from stmtTable");
078:                rs.next();
079:                assertEquals("Number of rows are not as expected", 2, rs
080:                        .getInt(1));
081:                rs.close();
082:                stmt.close();
083:                con.commit();
084:            }
085:
086:            /**
087:             * Clean up after the tests.
088:             * Deletes the table that was created for the tests.
089:             *
090:             * @throws SQLException if database operations fail.
091:             */
092:            protected void tearDown() throws Exception {
093:                Connection con = getConnection();
094:                Statement stmt = con.createStatement();
095:                stmt.execute("drop table stmtTable");
096:                stmt.close();
097:                con.commit();
098:                super .tearDown();
099:            }
100:
101:        } // End class StatementTestSetup
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