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package com.google.refine.tests.importers;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import javax.xml.stream.XMLStreamException;
import org.slf4j.LoggerFactory;
import org.testng.Assert;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;
import com.google.refine.importers.JsonImporter;
import com.google.refine.importers.JsonImporter.JSONTreeReader;
import com.google.refine.importers.XmlImporter.XmlParser;
import com.google.refine.importers.tree.ImportColumn;
import com.google.refine.importers.tree.ImportColumnGroup;
import com.google.refine.importers.tree.ImportRecord;
import com.google.refine.importers.tree.TreeReader;
import com.google.refine.importers.tree.TreeReaderException;
import com.google.refine.model.Project;
import com.google.refine.model.Row;
import com.google.refine.tests.RefineTest;
public class XmlImportUtilitiesTests extends RefineTest {
@Override
@BeforeTest
public void init() {
logger = LoggerFactory.getLogger(this.getClass());
}
//dependencies
Project project;
TreeReader parser;
ImportColumnGroup columnGroup;
ImportRecord record;
ByteArrayInputStream inputStream;
//System Under Test
XmlImportUtilitiesStub SUT;
@BeforeMethod
public void SetUp(){
SUT = new XmlImportUtilitiesStub();
project = new Project();
columnGroup = new ImportColumnGroup();
record = new ImportRecord();
}
@AfterMethod
public void TearDown() throws IOException{
SUT = null;
project = null;
parser = null;
columnGroup = null;
record = null;
if(inputStream != null) {
inputStream.close();
}
inputStream = null;
}
@Test
public void detectPathFromTagXmlTest() throws TreeReaderException{
loadData("<?xml version=\"1.0\"?><library><book id=\"1\"><author>author1</author><genre>genre1</genre></book></library>");
String tag = "library";
createXmlParser();
String[] response = XmlImportUtilitiesStub.detectPathFromTag(parser, tag);
Assert.assertNotNull(response);
Assert.assertEquals(response.length, 1);
Assert.assertEquals(response[0], "library");
}
@Test
public void detectPathFromTagWithNestedElementXml() throws TreeReaderException{
loadData("<?xml version=\"1.0\"?><library><book id=\"1\"><author>author1</author><genre>genre1</genre></book></library>");
String tag = "book";
createXmlParser();
String[] response = XmlImportUtilitiesStub.detectPathFromTag(parser, tag);
Assert.assertNotNull(response);
Assert.assertEquals(response.length, 2);
Assert.assertEquals(response[0], "library");
Assert.assertEquals(response[1], "book");
}
@Test
public void detectRecordElementXmlTest(){
loadData("<?xml version=\"1.0\"?><library><book id=\"1\"><author>author1</author><genre>genre1</genre></book></library>");
createXmlParser();
String tag="library";
List<String> response = new ArrayList<String>();
try {
response = SUT.detectRecordElementWrapper(parser, tag);
} catch (Exception e) {
Assert.fail(e.getMessage());
}
Assert.assertNotNull(response);
Assert.assertEquals(response.size(), 1);
Assert.assertEquals(response.get(0), "library");
}
@Test
public void detectRecordElementCanHandleWithNestedElementsXml(){
loadData("<?xml version=\"1.0\"?><library><book id=\"1\"><author>author1</author><genre>genre1</genre></book></library>");
createXmlParser();
String tag="book";
List<String> response = new ArrayList<String>();
try {
response = SUT.detectRecordElementWrapper(parser, tag);
} catch (Exception e) {
Assert.fail(e.getMessage());
}
Assert.assertNotNull(response);
Assert.assertEquals(response.size(), 2);
Assert.assertEquals(response.get(0), "library");
Assert.assertEquals(response.get(1), "book");
}
@Test
public void detectRecordElementIsNullForUnfoundTagXml(){
loadData("<?xml version=\"1.0\"?><library><book id=\"1\"><author>author1</author><genre>genre1</genre></book></library>");
createXmlParser();
String tag="";
List<String> response = new ArrayList<String>();
try {
response = SUT.detectRecordElementWrapper(parser, tag);
} catch (Exception e) {
Assert.fail(e.getMessage());
}
Assert.assertNull(response);
}
@Test
public void detectRecordElementRegressionXmlTest(){
loadSampleXml();
String[] path = XmlImportUtilitiesStub.detectRecordElement(createXmlParser());
Assert.assertNotNull(path);
Assert.assertEquals(path.length, 2);
Assert.assertEquals(path[0], "library");
Assert.assertEquals(path[1], "book");
}
@Test
public void detectRecordElementRegressionJsonTest(){
loadSampleJson();
String[] path = XmlImportUtilitiesStub.detectRecordElement(
new JSONTreeReader(new InputStreamReader(inputStream)));
Assert.assertNotNull(path);
Assert.assertEquals(path.length, 2);
Assert.assertEquals(path[0], JsonImporter.ANONYMOUS);
Assert.assertEquals(path[1], JsonImporter.ANONYMOUS);
}
@Test
public void importTreeDataXmlTest(){
loadSampleXml();
String[] recordPath = new String[]{"library","book"};
XmlImportUtilitiesStub.importTreeData(createXmlParser(), project, recordPath, columnGroup, -1, false, true,
false);
log(project);
assertProjectCreated(project, 0, 6);
Assert.assertEquals(project.rows.get(0).cells.size(), 4);
Assert.assertEquals(columnGroup.subgroups.size(), 1);
Assert.assertNotNull(columnGroup.subgroups.get("book"));
Assert.assertEquals(columnGroup.subgroups.get("book").subgroups.size(), 3);
Assert.assertNotNull(columnGroup.subgroups.get("book").subgroups.get("author"));
Assert.assertNotNull(columnGroup.subgroups.get("book").subgroups.get("title"));
Assert.assertNotNull(columnGroup.subgroups.get("book").subgroups.get("publish_date"));
}
@Test
public void importXmlWithVaryingStructureTest(){
loadData(XmlImporterTests.getSampleWithVaryingStructure());
String[] recordPath = new String[]{"library", "book"};
XmlImportUtilitiesStub.importTreeData(createXmlParser(), project, recordPath, columnGroup, -1, false, true,
false);
log(project);
assertProjectCreated(project, 0, 6);
Assert.assertEquals(project.rows.get(0).cells.size(), 4);
Assert.assertEquals(project.rows.get(5).cells.size(), 5);
Assert.assertEquals(columnGroup.subgroups.size(), 1);
Assert.assertEquals(columnGroup.name, "");
ImportColumnGroup book = columnGroup.subgroups.get("book");
Assert.assertNotNull(book);
Assert.assertEquals(book.columns.size(), 1);
Assert.assertEquals(book.subgroups.size(), 4);
Assert.assertNotNull(book.subgroups.get("author"));
Assert.assertEquals(book.subgroups.get("author").columns.size(), 1);
Assert.assertNotNull(book.subgroups.get("title"));
Assert.assertNotNull(book.subgroups.get("publish_date"));
Assert.assertNotNull(book.subgroups.get("genre"));
}
@Test
public void createColumnsFromImportTest(){
ImportColumnGroup columnGroup = new ImportColumnGroup();
ImportColumnGroup subGroup = new ImportColumnGroup();
columnGroup.columns.put("a", new ImportColumn("hello"));
columnGroup.columns.put("b", new ImportColumn("world"));
subGroup.columns.put("c", new ImportColumn("foo"));
subGroup.columns.put("d", new ImportColumn("bar"));
columnGroup.subgroups.put("e", subGroup);
XmlImportUtilitiesStub.createColumnsFromImport(project, columnGroup);
log(project);
assertProjectCreated(project, 4, 0);
Assert.assertEquals(project.columnModel.columns.get(0).getName(), "world");
Assert.assertEquals(project.columnModel.columns.get(1).getName(), "hello");
Assert.assertEquals(project.columnModel.columns.get(2).getName(), "bar");
Assert.assertEquals(project.columnModel.columns.get(3).getName(), "foo");
Assert.assertEquals(project.columnModel.columnGroups.get(0).keyColumnIndex, 2);
Assert.assertEquals(project.columnModel.columnGroups.get(0).startColumnIndex, 2);
Assert.assertEquals(project.columnModel.columnGroups.get(0).columnSpan, 2);
}
@Test
public void findRecordTestXml(){
loadSampleXml();
createXmlParser();
ParserSkip();
String[] recordPath = new String[]{"library","book"};
int pathIndex = 0;
try {
SUT.findRecordWrapper(project, parser, recordPath, pathIndex, columnGroup);
} catch (Exception e) {
Assert.fail();
}
log(project);
assertProjectCreated(project, 0, 6);
Assert.assertEquals(project.rows.get(0).cells.size(), 4);
//TODO
}
@Test
public void processRecordTestXml(){
loadData("<?xml version=\"1.0\"?><library><book id=\"1\"><author>author1</author><genre>genre1</genre></book></library>");
createXmlParser();
ParserSkip();
try {
SUT.processRecordWrapper(project, parser, columnGroup);
} catch (Exception e) {
Assert.fail();
}
log(project);
Assert.assertNotNull(project.rows);
Assert.assertEquals(project.rows.size(), 1);
Row row = project.rows.get(0);
Assert.assertNotNull(row);
Assert.assertNotNull(row.getCell(1));
Assert.assertEquals(row.getCell(1).value, "author1");
}
@Test
public void processRecordTestDuplicateColumnsXml(){
loadData("<?xml version=\"1.0\"?><library><book id=\"1\"><authors><author>author1</author><author>author2</author></authors><genre>genre1</genre></book></library>");
createXmlParser();
ParserSkip();
try {
SUT.processRecordWrapper(project, parser, columnGroup);
} catch (Exception e) {
Assert.fail();
}
log(project);
Assert.assertNotNull(project.rows);
Assert.assertEquals(project.rows.size(), 2);
Row row = project.rows.get(0);
Assert.assertNotNull(row);
Assert.assertEquals(row.cells.size(), 3);
Assert.assertNotNull(row.getCell(1));
Assert.assertEquals(row.getCell(1).value, "author1");
row = project.rows.get(1);
Assert.assertEquals(row.getCell(1).value, "author2");
}
@Test
public void processRecordTestNestedElementXml(){
loadData("<?xml version=\"1.0\"?><library><book id=\"1\"><author><author-name>author1</author-name><author-dob>a date</author-dob></author><genre>genre1</genre></book></library>");
createXmlParser();
ParserSkip();
try {
SUT.processRecordWrapper(project, parser, columnGroup);
} catch (Exception e) {
Assert.fail();
}
log(project);
Assert.assertNotNull(project.rows);
Assert.assertEquals(project.rows.size(), 1);
Row row = project.rows.get(0);
Assert.assertNotNull(row);
Assert.assertEquals(row.cells.size(), 4);
Assert.assertNotNull(row.getCell(1));
Assert.assertEquals(row.getCell(1).value, "author1");
Assert.assertNotNull(row.getCell(2));
Assert.assertEquals(row.getCell(2).value, "a date");
}
@Test
public void processSubRecordTestXml(){
loadData("<?xml version=\"1.0\"?><library><book id=\"1\"><author>author1</author><genre>genre1</genre></book></library>");
createXmlParser();
ParserSkip();
try {
SUT.ProcessSubRecordWrapper(project, parser, columnGroup, record,0);
} catch (Exception e) {
Assert.fail();
}
log(project);
Assert.assertEquals(columnGroup.subgroups.size(), 1);
Assert.assertEquals(columnGroup.name, "");
Assert.assertNotNull(columnGroup.subgroups.get("library"));
Assert.assertEquals(columnGroup.subgroups.get("library").subgroups.size(), 1);
ImportColumnGroup book = columnGroup.subgroups.get("library").subgroups.get("book");
Assert.assertNotNull(book);
Assert.assertEquals(book.subgroups.size(), 2);
Assert.assertNotNull(book.subgroups.get("author"));
Assert.assertNotNull(book.subgroups.get("genre"));
//TODO check record
}
@Test
public void addCellTest(){
String columnLocalName = "author";
String text = "Author1, The";
int commonStartingRowIndex = 0;
SUT.addCellWrapper(project, columnGroup, record, columnLocalName, text, commonStartingRowIndex);
Assert.assertNotNull(record);
Assert.assertNotNull(record.rows);
//Assert.assertNotNull(record.columnEmptyRowIndices);
Assert.assertEquals(record.rows.size(), 1);
//Assert.assertEquals(record.columnEmptyRowIndices.size(), 2);
Assert.assertNotNull(record.rows.get(0));
//Assert.assertNotNull(record.columnEmptyRowIndices.get(0));
//Assert.assertNotNull(record.columnEmptyRowIndices.get(1));
Assert.assertEquals(record.rows.get(0).size(), 1);
Assert.assertNotNull(record.rows.get(0).get(0));
Assert.assertEquals(record.rows.get(0).get(0).value, "Author1, The");
//Assert.assertEquals(record.columnEmptyRowIndices.get(0).intValue(),0);
//Assert.assertEquals(record.columnEmptyRowIndices.get(1).intValue(),1);
}
//----------------helpers-------------
public void loadSampleXml(){
loadData( XmlImporterTests.getSample() );
}
public void loadSampleJson(){
loadData( JsonImporterTests.getSample() );
}
public void loadData(String xml){
try {
inputStream = new ByteArrayInputStream( xml.getBytes( "UTF-8" ) );
} catch (UnsupportedEncodingException e1) {
Assert.fail();
}
}
public void ParserSkip(){
try {
if (parser.current() == TreeReader.Token.Ignorable){
parser.next(); //move parser forward once e.g. skip the START_DOCUMENT parser event
}
} catch (Exception e1) {
Assert.fail();
}
}
public TreeReader createXmlParser(){
try {
parser = new XmlParser(inputStream);
return parser;
} catch (XMLStreamException e) {
return null;
} catch (IOException e) {
return null;
}
}
public TreeReader createJsonParser(){
parser = new JSONTreeReader(new InputStreamReader(inputStream));
return parser;
}
}