package org.apache.ddlutils.util; | |
/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you 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. | |
*/ | |
import java.util.Collection; | |
import java.util.Iterator; | |
import junit.framework.Assert; | |
import junit.framework.AssertionFailedError; | |
import org.apache.commons.beanutils.DynaBean; | |
import org.apache.commons.logging.Log; | |
import org.apache.commons.logging.LogFactory; | |
import org.apache.ddlutils.Platform; | |
import org.apache.ddlutils.model.Column; | |
import org.apache.ddlutils.model.Database; | |
import org.apache.ddlutils.model.Table; | |
/** | |
* Class that provides utility stuff for cpmaring data in databases. | |
* | |
* @version $Revision: 264616 $ | |
*/ | |
public class DatabaseTestHelper extends Assert | |
{ | |
/** The log for this class. */ | |
private final Log _log = LogFactory.getLog(DatabaseTestHelper.class); | |
/** | |
* Asserts that the data in the tables described by the given model is the same in the | |
* database accessed by the second platform as is in the database accessed by the first platform. | |
* Note that it is not tested whether the second database has more data.<br/> | |
* All differences will be printed via logging in DEBUG level. | |
* | |
* @param model The database model to check | |
* @param origDbPlatform The first platform | |
* @param testedDbPlatform The second platform | |
*/ | |
public void assertHasSameData(Database model, Platform origDbPlatform, Platform testedDbPlatform) | |
{ | |
assertHasSameData(null, model, origDbPlatform, testedDbPlatform); | |
} | |
/** | |
* Asserts that the data in the tables described by the given model is the same in the | |
* database accessed by the second platform as is in the database accessed by the first platform. | |
* Note that it is not tested whether the second database has more data.<br/> | |
* All differences will be printed via logging in DEBUG level. | |
* | |
* @param failureMsg The failure message to issue if the data is not the same | |
* @param model The database model to check | |
* @param origDbPlatform The first platform | |
* @param testedDbPlatform The second platform | |
*/ | |
public void assertHasSameData(String failureMsg, Database model, Platform origDbPlatform, Platform testedDbPlatform) | |
{ | |
boolean hasError = false; | |
for (int idx = 0; idx < model.getTableCount(); idx++) | |
{ | |
Table table = model.getTable(idx); | |
Column[] pkCols = table.getPrimaryKeyColumns(); | |
for (Iterator it = origDbPlatform.query(model, buildQueryString(origDbPlatform, table, null, null), new Table[] { table }); it.hasNext();) | |
{ | |
DynaBean obj = (DynaBean)it.next(); | |
Collection result = testedDbPlatform.fetch(model, buildQueryString(origDbPlatform, table, pkCols, obj), new Table[] { table }); | |
if (result.isEmpty()) | |
{ | |
if (_log.isDebugEnabled()) | |
{ | |
hasError = true; | |
_log.debug("Row "+obj.toString()+" is not present in second database"); | |
} | |
else | |
{ | |
throw new AssertionFailedError(failureMsg); | |
} | |
} | |
else if (result.size() > 1) | |
{ | |
if (_log.isDebugEnabled()) | |
{ | |
hasError = true; | |
StringBuffer debugMsg = new StringBuffer(); | |
debugMsg.append("Row "); | |
debugMsg.append(obj.toString()); | |
debugMsg.append(" is present more than once in the second database:\n"); | |
for (Iterator resultIt = result.iterator(); resultIt.hasNext();) | |
{ | |
debugMsg.append(" "); | |
debugMsg.append(resultIt.next().toString()); | |
} | |
_log.debug(debugMsg.toString()); | |
} | |
else | |
{ | |
throw new AssertionFailedError(failureMsg); | |
} | |
} | |
else | |
{ | |
DynaBean otherObj = (DynaBean)result.iterator().next(); | |
if (!obj.equals(otherObj)) | |
{ | |
if (_log.isDebugEnabled()) | |
{ | |
hasError = true; | |
_log.debug("Row "+obj.toString()+" is different in the second database: "+otherObj.toString()); | |
} | |
else | |
{ | |
throw new AssertionFailedError(failureMsg); | |
} | |
} | |
} | |
} | |
} | |
if (hasError) | |
{ | |
throw new AssertionFailedError(failureMsg); | |
} | |
} | |
/** | |
* Helper method for build a SELECT statement. | |
* | |
* @param targetPlatform The platform for the queried database | |
* @param table The queried table | |
* @param whereCols The optional columns that make up the WHERE clause | |
* @param whereValues The optional column value that make up the WHERE clause | |
* @return The query string | |
*/ | |
private String buildQueryString(Platform targetPlatform, Table table, Column[] whereCols, DynaBean whereValues) | |
{ | |
StringBuffer result = new StringBuffer(); | |
result.append("SELECT * FROM "); | |
if (targetPlatform.isDelimitedIdentifierModeOn()) | |
{ | |
result.append(targetPlatform.getPlatformInfo().getDelimiterToken()); | |
} | |
result.append(table.getName()); | |
if (targetPlatform.isDelimitedIdentifierModeOn()) | |
{ | |
result.append(targetPlatform.getPlatformInfo().getDelimiterToken()); | |
} | |
if ((whereCols != null) && (whereCols.length > 0)) | |
{ | |
result.append(" WHERE "); | |
for (int idx = 0; idx < whereCols.length; idx++) | |
{ | |
Object value = (whereValues == null ? null : whereValues.get(whereCols[idx].getName())); | |
if (idx > 0) | |
{ | |
result.append(" AND "); | |
} | |
if (targetPlatform.isDelimitedIdentifierModeOn()) | |
{ | |
result.append(targetPlatform.getPlatformInfo().getDelimiterToken()); | |
} | |
result.append(whereCols[idx].getName()); | |
if (targetPlatform.isDelimitedIdentifierModeOn()) | |
{ | |
result.append(targetPlatform.getPlatformInfo().getDelimiterToken()); | |
} | |
result.append(" = "); | |
if (value == null) | |
{ | |
result.append("NULL"); | |
} | |
else | |
{ | |
if (!whereCols[idx].isOfNumericType()) | |
{ | |
result.append(targetPlatform.getPlatformInfo().getValueQuoteToken()); | |
} | |
result.append(value.toString()); | |
if (!whereCols[idx].isOfNumericType()) | |
{ | |
result.append(targetPlatform.getPlatformInfo().getValueQuoteToken()); | |
} | |
} | |
} | |
} | |
return result.toString(); | |
} | |
} |