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/*
* Copyright 2004-2011 H2 Group.
* Copyright 2011 James Moger.
*
* 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 com.iciql.test;
import static org.junit.Assert.assertEquals;
import static com.iciql.Define.primaryKey;
import static com.iciql.Define.tableName;
import java.text.MessageFormat;
import java.util.Arrays;
import java.util.List;
import org.junit.Test;
import com.iciql.Db;
import com.iciql.Iciql;
/**
* Tests if converting a CLOB to a String works.
*/
public class ClobTest {
@Test
public void testClob() throws Exception {
String create = "CREATE TABLE CLOB_TEST(ID INT PRIMARY KEY, WORDS {0})";
Db db = Db.open("jdbc:h2:mem:", "sa", "sa");
db.executeUpdate(MessageFormat.format(create, "VARCHAR(255)"));
db.insertAll(StringRecord.getList());
testSimpleUpdate(db, "VARCHAR fail");
db.close();
db = Db.open("jdbc:h2:mem:", "sa", "sa");
db.executeUpdate(MessageFormat.format(create, "TEXT"));
db.insertAll(StringRecord.getList());
testSimpleUpdate(db, "CLOB fail because of single quote artifacts");
db.close();
}
private void testSimpleUpdate(Db db, String failureMsg) {
String newWords = "I changed the words";
StringRecord r = new StringRecord();
StringRecord originalRecord = db.from(r).where(r.id).is(2).selectFirst();
String oldWords = originalRecord.words;
originalRecord.words = newWords;
db.update(originalRecord);
StringRecord r2 = new StringRecord();
StringRecord revisedRecord = db.from(r2).where(r2.id).is(2).selectFirst();
assertEquals(failureMsg, newWords, revisedRecord.words);
// undo update
originalRecord.words = oldWords;
db.update(originalRecord);
}
/**
* A simple class used in this test.
*/
public static class StringRecord implements Iciql {
public Integer id;
public String words;
public StringRecord() {
// public constructor
}
private StringRecord(int id, String words) {
this.id = id;
this.words = words;
}
public void defineIQ() {
tableName("CLOB_TEST");
primaryKey(id);
}
private static StringRecord create(int id, String words) {
return new StringRecord(id, words);
}
public static List<StringRecord> getList() {
StringRecord[] list = { create(1, "Once upon a midnight dreary, while I pondered weak and weary,"),
create(2, "Over many a quaint and curious volume of forgotten lore,"),
create(3, "While I nodded, nearly napping, suddenly there came a tapping,"),
create(4, "As of some one gently rapping, rapping at my chamber door."),
create(5, "`'Tis some visitor,' I muttered, `tapping at my chamber door -"),
create(6, "Only this, and nothing more.'") };
return Arrays.asList(list);
}
public String toString() {
return id + ": " + words;
}
}
}
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