/*! ******************************************************************************
*
* Pentaho Data Integration
*
* Copyright (C) 2002-2017 by Pentaho : http://www.pentaho.com
*
*******************************************************************************
*
* 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 org.pentaho.di.trans.steps.xmlinputstream;
import static org.junit.Assert.assertEquals;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.when;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.pentaho.di.core.RowSet;
import org.pentaho.di.core.SingleRowRowSet;
import org.pentaho.di.core.exception.KettleException;
import org.pentaho.di.core.exception.KettleStepException;
import org.pentaho.di.core.logging.LoggingObjectInterface;
import org.pentaho.di.core.row.RowMeta;
import org.pentaho.di.core.row.RowMetaInterface;
import org.pentaho.di.core.row.value.ValueMetaString;
import org.pentaho.di.trans.step.RowAdapter;
import org.pentaho.di.trans.steps.mock.StepMockHelper;
/**
* @author Tatsiana_Kasiankova
*
*/
public class XMLInputStreamTest {
private static final String INCORRECT_XML_DATA_VALUE_MESSAGE = "Incorrect xml data value - ";
private static final String INCORRECT_XML_DATA_NAME_MESSAGE = "Incorrect xml data name - ";
private static final String INCORRECT_XML_PATH_MESSAGE = "Incorrect xml path - ";
private static final String INCORRECT_XML_DATA_TYPE_DESCRIPTION_MESSAGE = "Incorrect xml data type description - ";
private static final String ATTRIBUTE_2 = "ATTRIBUTE_2";
private static final String ATTRIBUTE_1 = "ATTRIBUTE_1";
private static final int START_ROW_IN_XML_TO_VERIFY = 9;
private static StepMockHelper<XMLInputStreamMeta, XMLInputStreamData> stepMockHelper;
private XMLInputStreamMeta xmlInputStreamMeta;
private XMLInputStreamData xmlInputStreamData;
private TestRowListener rl;
private int typeDescriptionPos = 0;
private int pathPos = 1;
private int dataNamePos = 2;
private int dataValue = 3;
@Before
public void setUp() throws KettleException {
stepMockHelper =
new StepMockHelper<XMLInputStreamMeta, XMLInputStreamData>( "XMLInputStreamTest", XMLInputStreamMeta.class,
XMLInputStreamData.class );
when( stepMockHelper.logChannelInterfaceFactory.create( any(), any( LoggingObjectInterface.class ) ) ).thenReturn(
stepMockHelper.logChannelInterface );
when( stepMockHelper.trans.isRunning() ).thenReturn( true );
xmlInputStreamMeta = new XMLInputStreamMeta();
xmlInputStreamMeta.setDefault();
xmlInputStreamData = new XMLInputStreamData();
rl = new TestRowListener();
// Turn off several options.
// So there are fields: xml_data_type_description - xml_path - xml_data_name - xml_data_value
xmlInputStreamMeta.setIncludeXmlParentPathField( false );
xmlInputStreamMeta.setIncludeXmlParentElementIDField( false );
xmlInputStreamMeta.setIncludeXmlElementIDField( false );
xmlInputStreamMeta.setIncludeXmlElementLevelField( false );
}
@After
public void tearDown() {
stepMockHelper.cleanUp();
}
@Test
public void testParseXmlWithPrefixes_WhenSetEnableNamespaceAsTrue() throws KettleException, IOException {
xmlInputStreamMeta.setFilename( createTestFile( getXMLString( getGroupWithPrefix() ) ) );
xmlInputStreamMeta.setEnableNamespaces( true );
doTest();
// Assertions
// check StartElement for the ProductGroup element
// when namespaces are enabled, we have additional NAMESPACE events - 3 for our test xml;
int expectedRowNum = START_ROW_IN_XML_TO_VERIFY + 3;
assertEquals( INCORRECT_XML_DATA_TYPE_DESCRIPTION_MESSAGE, "START_ELEMENT",
rl.getWritten().get( expectedRowNum )[typeDescriptionPos] );
assertEquals( INCORRECT_XML_PATH_MESSAGE, "/Products/Product/Fruits:ProductGroup", rl.getWritten().get(
expectedRowNum )[pathPos] );
assertEquals( INCORRECT_XML_DATA_NAME_MESSAGE, "Fruits:ProductGroup",
rl.getWritten().get( expectedRowNum )[dataNamePos] );
// attributes
// ATTRIBUTE_1
expectedRowNum++;
assertEquals( INCORRECT_XML_DATA_TYPE_DESCRIPTION_MESSAGE, "ATTRIBUTE",
rl.getWritten().get( expectedRowNum )[typeDescriptionPos] );
assertEquals( INCORRECT_XML_PATH_MESSAGE, "/Products/Product/Fruits:ProductGroup", rl.getWritten().get(
expectedRowNum )[pathPos] );
assertEquals( INCORRECT_XML_DATA_NAME_MESSAGE, "Fruits:attribute",
rl.getWritten().get( expectedRowNum )[dataNamePos] );
assertEquals( INCORRECT_XML_DATA_VALUE_MESSAGE, ATTRIBUTE_1, rl.getWritten().get( expectedRowNum )[dataValue] );
// ATTRIBUTE_2
expectedRowNum++;
assertEquals( INCORRECT_XML_DATA_TYPE_DESCRIPTION_MESSAGE, "ATTRIBUTE",
rl.getWritten().get( expectedRowNum )[typeDescriptionPos] );
assertEquals( INCORRECT_XML_PATH_MESSAGE, "/Products/Product/Fruits:ProductGroup", rl.getWritten().get(
expectedRowNum )[pathPos] );
assertEquals( INCORRECT_XML_DATA_NAME_MESSAGE, "Fish:attribute", rl.getWritten().get( expectedRowNum )[dataNamePos] );
assertEquals( INCORRECT_XML_DATA_VALUE_MESSAGE, ATTRIBUTE_2, rl.getWritten().get( expectedRowNum )[dataValue] );
// check EndElement for the ProductGroup element
expectedRowNum = expectedRowNum + 2;
assertEquals( INCORRECT_XML_DATA_TYPE_DESCRIPTION_MESSAGE, "END_ELEMENT",
rl.getWritten().get( expectedRowNum )[typeDescriptionPos] );
assertEquals( INCORRECT_XML_PATH_MESSAGE, "/Products/Product/Fruits:ProductGroup", rl.getWritten().get(
expectedRowNum )[pathPos] );
assertEquals( INCORRECT_XML_DATA_NAME_MESSAGE, "Fruits:ProductGroup",
rl.getWritten().get( expectedRowNum )[dataNamePos] );
}
@Test
public void testParseXmlWithPrefixes_WhenSetEnableNamespaceAsFalse() throws KettleException, IOException {
xmlInputStreamMeta.setFilename( createTestFile( getXMLString( getGroupWithPrefix() ) ) );
xmlInputStreamMeta.setEnableNamespaces( false );
doTest();
// Assertions
// check StartElement for the ProductGroup element
int expectedRowNum = START_ROW_IN_XML_TO_VERIFY;
assertEquals( INCORRECT_XML_DATA_TYPE_DESCRIPTION_MESSAGE, "START_ELEMENT",
rl.getWritten().get( expectedRowNum )[typeDescriptionPos] );
assertEquals( INCORRECT_XML_PATH_MESSAGE, "/Products/Product/ProductGroup",
rl.getWritten().get( expectedRowNum )[pathPos] );
assertEquals( INCORRECT_XML_DATA_NAME_MESSAGE, "ProductGroup", rl.getWritten().get( expectedRowNum )[dataNamePos] );
// attributes
// ATTRIBUTE_1
expectedRowNum++;
assertEquals( INCORRECT_XML_DATA_TYPE_DESCRIPTION_MESSAGE, "ATTRIBUTE",
rl.getWritten().get( expectedRowNum )[typeDescriptionPos] );
assertEquals( INCORRECT_XML_PATH_MESSAGE, "/Products/Product/ProductGroup",
rl.getWritten().get( expectedRowNum )[pathPos] );
assertEquals( INCORRECT_XML_DATA_NAME_MESSAGE, "attribute", rl.getWritten().get( expectedRowNum )[dataNamePos] );
assertEquals( INCORRECT_XML_DATA_VALUE_MESSAGE, ATTRIBUTE_1, rl.getWritten().get( expectedRowNum )[dataValue] );
// ATTRIBUTE_2
expectedRowNum++;
assertEquals( INCORRECT_XML_DATA_TYPE_DESCRIPTION_MESSAGE, "ATTRIBUTE",
rl.getWritten().get( expectedRowNum )[typeDescriptionPos] );
assertEquals( INCORRECT_XML_PATH_MESSAGE, "/Products/Product/ProductGroup",
rl.getWritten().get( expectedRowNum )[pathPos] );
assertEquals( INCORRECT_XML_DATA_NAME_MESSAGE, "attribute", rl.getWritten().get( expectedRowNum )[dataNamePos] );
assertEquals( INCORRECT_XML_DATA_VALUE_MESSAGE, ATTRIBUTE_2, rl.getWritten().get( expectedRowNum )[dataValue] );
// check EndElement for the ProductGroup element
expectedRowNum = expectedRowNum + 2;
assertEquals( INCORRECT_XML_DATA_TYPE_DESCRIPTION_MESSAGE, "END_ELEMENT",
rl.getWritten().get( expectedRowNum )[typeDescriptionPos] );
assertEquals( INCORRECT_XML_PATH_MESSAGE, "/Products/Product/ProductGroup",
rl.getWritten().get( expectedRowNum )[pathPos] );
assertEquals( INCORRECT_XML_DATA_NAME_MESSAGE, "ProductGroup", rl.getWritten().get( expectedRowNum )[dataNamePos] );
}
@Test
public void testParseXmlWithoutPrefixes_WhenSetEnableNamespaceAsTrue() throws KettleException, IOException {
xmlInputStreamMeta.setFilename( createTestFile( getXMLString( getGroupWithoutPrefix() ) ) );
xmlInputStreamMeta.setEnableNamespaces( true );
doTest();
// Assertions
// check StartElement for the ProductGroup element
// when namespaces are enabled, we have additional NAMESPACE events - 3 for our test xml;
int expectedRowNum = START_ROW_IN_XML_TO_VERIFY + 3;
assertEquals( INCORRECT_XML_DATA_TYPE_DESCRIPTION_MESSAGE, "START_ELEMENT",
rl.getWritten().get( expectedRowNum )[typeDescriptionPos] );
assertEquals( INCORRECT_XML_PATH_MESSAGE, "/Products/Product/ProductGroup",
rl.getWritten().get( expectedRowNum )[pathPos] );
assertEquals( INCORRECT_XML_DATA_NAME_MESSAGE, "ProductGroup", rl.getWritten().get( expectedRowNum )[dataNamePos] );
// attributes
// ATTRIBUTE_1
expectedRowNum++;
assertEquals( INCORRECT_XML_DATA_TYPE_DESCRIPTION_MESSAGE, "ATTRIBUTE",
rl.getWritten().get( expectedRowNum )[typeDescriptionPos] );
assertEquals( INCORRECT_XML_PATH_MESSAGE, "/Products/Product/ProductGroup",
rl.getWritten().get( expectedRowNum )[pathPos] );
assertEquals( INCORRECT_XML_DATA_NAME_MESSAGE, "attribute1", rl.getWritten().get( expectedRowNum )[dataNamePos] );
assertEquals( INCORRECT_XML_DATA_VALUE_MESSAGE, ATTRIBUTE_1, rl.getWritten().get( expectedRowNum )[dataValue] );
// ATTRIBUTE_2
expectedRowNum++;
assertEquals( INCORRECT_XML_DATA_TYPE_DESCRIPTION_MESSAGE, "ATTRIBUTE",
rl.getWritten().get( expectedRowNum )[typeDescriptionPos] );
assertEquals( INCORRECT_XML_PATH_MESSAGE, "/Products/Product/ProductGroup",
rl.getWritten().get( expectedRowNum )[pathPos] );
assertEquals( INCORRECT_XML_DATA_NAME_MESSAGE, "attribute2", rl.getWritten().get( expectedRowNum )[dataNamePos] );
assertEquals( INCORRECT_XML_DATA_VALUE_MESSAGE, ATTRIBUTE_2, rl.getWritten().get( expectedRowNum )[dataValue] );
// check EndElement for the ProductGroup element
expectedRowNum = expectedRowNum + 2;
assertEquals( INCORRECT_XML_DATA_TYPE_DESCRIPTION_MESSAGE, "END_ELEMENT",
rl.getWritten().get( expectedRowNum )[typeDescriptionPos] );
assertEquals( INCORRECT_XML_PATH_MESSAGE, "/Products/Product/ProductGroup",
rl.getWritten().get( expectedRowNum )[pathPos] );
assertEquals( INCORRECT_XML_DATA_NAME_MESSAGE, "ProductGroup", rl.getWritten().get( expectedRowNum )[dataNamePos] );
}
private void doTest() throws IOException, KettleException {
XMLInputStream xmlInputStream =
new XMLInputStream( stepMockHelper.stepMeta, stepMockHelper.stepDataInterface, 0, stepMockHelper.transMeta,
stepMockHelper.trans );
xmlInputStream.init( xmlInputStreamMeta, xmlInputStreamData );
xmlInputStream.addRowListener( rl );
boolean haveRowsToRead;
do {
haveRowsToRead = !xmlInputStream.processRow( xmlInputStreamMeta, xmlInputStreamData );
} while ( !haveRowsToRead );
}
@Test
public void testFromPreviousStep() throws Exception {
xmlInputStreamMeta.sourceFromInput = true;
xmlInputStreamMeta.sourceFieldName = "inf";
xmlInputStreamData.outputRowMeta = new RowMeta();
RowMeta rm = new RowMeta();
String xml = "<ProductGroup attribute1=\"v1\"/>";
ValueMetaString ms = new ValueMetaString( "inf" );
RowSet rs = new SingleRowRowSet();
rs.putRow( rm, new Object[] { xml } );
rs.setDone();
XMLInputStream xmlInputStream =
new XMLInputStream( stepMockHelper.stepMeta, stepMockHelper.stepDataInterface, 0, stepMockHelper.transMeta,
stepMockHelper.trans );
xmlInputStream.setInputRowMeta( rm );
xmlInputStream.getInputRowMeta().addValueMeta( ms );
xmlInputStream.getInputRowSets().add( rs );
xmlInputStream.setOutputRowSets( new ArrayList<>() );
xmlInputStream.init( xmlInputStreamMeta, xmlInputStreamData );
xmlInputStream.addRowListener( rl );
boolean haveRowsToRead;
do {
haveRowsToRead = !xmlInputStream.processRow( xmlInputStreamMeta, xmlInputStreamData );
} while ( !haveRowsToRead );
int expectedRowNum = 1;
assertEquals( INCORRECT_XML_DATA_TYPE_DESCRIPTION_MESSAGE, "START_ELEMENT", rl.getWritten().get(
expectedRowNum )[typeDescriptionPos] );
assertEquals( INCORRECT_XML_PATH_MESSAGE, "/ProductGroup", rl.getWritten().get( expectedRowNum )[pathPos] );
assertEquals( INCORRECT_XML_DATA_NAME_MESSAGE, "ProductGroup", rl.getWritten().get( expectedRowNum )[dataNamePos] );
// attributes
// ATTRIBUTE_1
expectedRowNum++;
assertEquals( INCORRECT_XML_DATA_TYPE_DESCRIPTION_MESSAGE, "ATTRIBUTE", rl.getWritten().get(
expectedRowNum )[typeDescriptionPos] );
assertEquals( INCORRECT_XML_PATH_MESSAGE, "/ProductGroup", rl.getWritten().get( expectedRowNum )[pathPos] );
assertEquals( INCORRECT_XML_DATA_NAME_MESSAGE, "attribute1", rl.getWritten().get( expectedRowNum )[dataNamePos] );
assertEquals( INCORRECT_XML_DATA_VALUE_MESSAGE, "v1", rl.getWritten().get( expectedRowNum )[dataValue] );
// check EndElement for the ProductGroup element
expectedRowNum++;
assertEquals( INCORRECT_XML_DATA_TYPE_DESCRIPTION_MESSAGE, "END_ELEMENT", rl.getWritten().get(
expectedRowNum )[typeDescriptionPos] );
assertEquals( INCORRECT_XML_PATH_MESSAGE, "/ProductGroup", rl.getWritten().get( expectedRowNum )[pathPos] );
assertEquals( INCORRECT_XML_DATA_NAME_MESSAGE, "ProductGroup", rl.getWritten().get( expectedRowNum )[dataNamePos] );
}
private String createTestFile( String xmlContent ) throws IOException {
File tempFile = File.createTempFile( "Test", ".xml" );
tempFile.deleteOnExit();
Writer osw = new PrintWriter( tempFile, "UTF8" );
System.out.println( xmlContent );
osw.write( xmlContent );
osw.close();
return tempFile.getAbsolutePath();
}
private String getXMLString( String group ) {
return "<Products xmlns:Fruits=\"http://dummy.example/fruits\" xmlns:Fish=\"http://dummy.example/fish\" xmlns=\"http://dummy.example/default\">"
+ getProduct( group ) + "</Products>";
}
private String getProduct( String group ) {
return "<Product><Id>1</Id><Name>TEST_NAME</Name>" + group + "</Product>";
}
private String getGroupWithPrefix() {
return "<Fruits:ProductGroup Fruits:attribute=\"" + ATTRIBUTE_1 + "\" Fish:attribute=\"" + ATTRIBUTE_2
+ "\">G</Fruits:ProductGroup>";
}
private String getGroupWithoutPrefix() {
return "<ProductGroup attribute1=\"" + ATTRIBUTE_1 + "\" attribute2=\"" + ATTRIBUTE_2 + "\">G</ProductGroup>";
}
private class TestRowListener extends RowAdapter {
private List<Object[]> written = new ArrayList<Object[]>();
public List<Object[]> getWritten() {
return written;
}
@Override
public void rowWrittenEvent( RowMetaInterface rowMeta, Object[] row ) throws KettleStepException {
written.add( row );
}
}
}