/*******************************************************************************
* Copyright (c) 2004, 2006 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.html.core.tests.text;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringBufferInputStream;
import junit.framework.TestCase;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocumentExtension3;
import org.eclipse.jface.text.IDocumentPartitioner;
import org.eclipse.jface.text.ITypedRegion;
import org.eclipse.wst.html.core.text.IHTMLPartitions;
import org.eclipse.wst.sse.core.StructuredModelManager;
import org.eclipse.wst.sse.core.internal.provisional.IModelManager;
import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredPartitioning;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredTextPartitioner;
import org.eclipse.wst.sse.core.utils.StringUtils;
import org.eclipse.wst.xml.core.text.IXMLPartitions;
import com.ibm.icu.text.DecimalFormat;
public class TestStructuredPartitionerHTML extends TestCase {
private boolean DEBUG_PRINT_RESULT = false;
protected ITypedRegion[] partitions = null;
private boolean useFormatter = true;
protected DecimalFormat formatter;
public TestStructuredPartitionerHTML(String name) {
super(name);
if (DEBUG_PRINT_RESULT && useFormatter)
formatter = new DecimalFormat();
}
/**
* must release model (from edit) after
* @param filename relative to this class (TestStructuredPartitioner)
*/
private IStructuredModel getModelForEdit(String filename) {
IStructuredModel model = null;
try {
IModelManager modelManager = StructuredModelManager.getModelManager();
InputStream inStream = getClass().getResourceAsStream(filename);
if (inStream == null)
inStream = new StringBufferInputStream("");
model = modelManager.getModelForEdit(filename, inStream, null);
}
catch (IOException ex) {
ex.printStackTrace();
}
return model;
}
public void testDisconnectConnect() {
IStructuredModel model = null;
try {
model =getModelForEdit("testfiles/html/example01.xml");
if(model != null) {
IStructuredDocument sDoc = model.getStructuredDocument();
assertTrue("sDoc implementation not instance of IDocumentExtension3", sDoc instanceof IDocumentExtension3);
IDocumentPartitioner partitioner = ((IDocumentExtension3)sDoc).getDocumentPartitioner(IStructuredPartitioning.DEFAULT_STRUCTURED_PARTITIONING);
assertTrue("partitioner doesn't implement IStructuredTextPartitioner", partitioner instanceof IStructuredTextPartitioner);
IStructuredTextPartitioner stp = (IStructuredTextPartitioner)partitioner;
assertNotNull("partitioner was null for sDoc:" + sDoc, partitioner);
try {
stp.disconnect();
}
catch(Exception e) {
assertTrue("problem disconnecting w/:" +sDoc + "/n" + e, false);
}
try {
stp.connect(sDoc);
}
catch(Exception e) {
assertTrue("problem connecting w/:" + sDoc + "/n" + e, false);
}
}
else {
assertTrue("could not retrieve structured model", false);
}
}
finally {
if(model != null)
model.releaseFromEdit();
}
}
public void testGetDefaultPartitionType() {
IStructuredModel model = null;
try {
model =getModelForEdit("testfiles/html/example01.xml");
if(model != null) {
IStructuredDocument sDoc = model.getStructuredDocument();
assertTrue("sDoc implementation not instance of IDocumentExtension3", sDoc instanceof IDocumentExtension3);
IDocumentPartitioner partitioner = ((IDocumentExtension3)sDoc).getDocumentPartitioner(IStructuredPartitioning.DEFAULT_STRUCTURED_PARTITIONING);
assertTrue("partitioner doesn't implement IStructuredTextPartitioner", partitioner instanceof IStructuredTextPartitioner);
IStructuredTextPartitioner stp = (IStructuredTextPartitioner)partitioner;
String defaultPartitionType = stp.getDefaultPartitionType();
assertTrue("wrong default partition type was: [" + defaultPartitionType + "] should be: [" + IXMLPartitions.XML_DEFAULT + "]", defaultPartitionType.equals(IXMLPartitions.XML_DEFAULT));
}
else {
assertTrue("could not retrieve structured model", false);
}
}
finally {
if(model != null)
model.releaseFromEdit();
}
}
public void testGetPartitionType() {
IStructuredModel model = null;
try {
model =getModelForEdit("testfiles/html/example01.xml");
if(model != null) {
IStructuredDocument sDoc = model.getStructuredDocument();
assertTrue("sDoc implementation not instance of IDocumentExtension3", sDoc instanceof IDocumentExtension3);
IDocumentPartitioner partitioner = ((IDocumentExtension3)sDoc).getDocumentPartitioner(IStructuredPartitioning.DEFAULT_STRUCTURED_PARTITIONING);
assertTrue("paritioner doesn't implement IStructuredTextPartitioner", partitioner instanceof IStructuredTextPartitioner);
IStructuredTextPartitioner stp = (IStructuredTextPartitioner)partitioner;
String defaultPartitionType = stp.getDefaultPartitionType();
assertTrue("wrong default partition type was: [" + defaultPartitionType + "] should be: [" + IXMLPartitions.XML_DEFAULT + "]", defaultPartitionType.equals(IXMLPartitions.XML_DEFAULT));
}
else {
assertTrue("could not retrieve structured model", false);
}
}
finally {
if(model != null)
model.releaseFromEdit();
}
}
public void testHTML1() throws IOException, BadLocationException {
int expectedPartitions = 4;
int nPartitions = doComputePartitioningTest("testfiles/html/example01.html");
assertTrue("wrong number of partitions", nPartitions == expectedPartitions);
checkSeams();
verifyPartitionTypes(partitions, new String[]{IHTMLPartitions.HTML_DECLARATION, IHTMLPartitions.HTML_DEFAULT, IHTMLPartitions.HTML_COMMENT, IHTMLPartitions.HTML_DEFAULT});
}
public void testHTML2() throws IOException, BadLocationException {
int expectedPartitions = 7;
//TODO Nitin, we need to review the Unknown to Script change (8/1/03, 9:00PM)
int nPartitions = doComputePartitioningTest("testfiles/html/example02.html");
assertTrue("wrong number of partitions", nPartitions == expectedPartitions);
checkSeams();
verifyPartitionTypes(partitions, new String[]{IHTMLPartitions.HTML_DEFAULT, IHTMLPartitions.SCRIPT, IHTMLPartitions.HTML_DEFAULT, IHTMLPartitions.SCRIPT, IHTMLPartitions.HTML_DEFAULT, IHTMLPartitions.SCRIPT, IHTMLPartitions.HTML_DEFAULT});
}
public void testHTML3() throws IOException, BadLocationException {
int expectedPartitions = 1;
String file = "testfiles/html/example03.html";
int nPartitions = doComputePartitioningTest(file);
assertTrue("wrong number of partitions", nPartitions == expectedPartitions);
checkSeams();
verifyPartitionTypes(partitions, new String[]{IHTMLPartitions.HTML_DEFAULT});
// 121 if CRLF
// ITypedRegion scriptPartition = getPartitionTest(file, 121);
// 116 if LF or CR only
// ITypedRegion scriptPartition = getPartitionTest(file, 121);
ITypedRegion part1 = getPartitionTest(file, 121);
ITypedRegion part2 = getPartitionTest(file, 116);
// assertEquals("partition is wrong type!", scriptPartition.getType(), IHTMLPartitions.ST_SCRIPT);
// the critical position is surrounded with HTML > 5 characters in either direction; this should be good enough
assertTrue("partition is wrong type! :(" + part1.getType() + "|" + part2.getType() + ")", part1.getType().equals(IHTMLPartitions.SCRIPT) || part2.getType().equals(IHTMLPartitions.SCRIPT));
assertTrue("partition is not zero length!", (part1.getLength() == 0 || part2.getLength() == 0));
}
/**
* Ensure that the current list of partitions are all adjacent to one another
*/
protected void checkSeams() {
if (partitions == null)
return;
int offset = 0;
for (int i = 0; i < partitions.length; i++) {
assertEquals("partitions are not contiguous!", partitions[i].getOffset(), offset);
offset = partitions[i].getOffset() + partitions[i].getLength();
}
}
/**
* Compute the partitions for the given filename using the default partitioner
* for that file type.
*
* @param filename
* @return int
* @throws IOException
* @throws BadLocationException
*/
protected int doComputePartitioningTest(String filename) throws IOException, BadLocationException {
IModelManager modelManager = StructuredModelManager.getModelManager();
InputStream inStream = getClass().getResourceAsStream(filename);
if (inStream == null)
inStream = new StringBufferInputStream("");
IStructuredModel model = modelManager.getModelForEdit(filename, inStream, null);
IStructuredDocument structuredDocument = model.getStructuredDocument();
if (DEBUG_PRINT_RESULT && useFormatter) {
double baseTen = Math.log(10);
formatter.setMinimumIntegerDigits((int) (Math.log(structuredDocument.getLength()) / baseTen) + 1);
formatter.setGroupingUsed(false);
}
partitions = structuredDocument.computePartitioning(0, structuredDocument.getLength());
if (DEBUG_PRINT_RESULT) {
String contents = null;
System.out.println("\nfilename: " + filename);
for (int i = 0; i < partitions.length; i++) {
try {
contents = structuredDocument.get(partitions[i].getOffset(), partitions[i].getLength());
}
catch (BadLocationException e) {
contents = "*error*";
}
if (useFormatter)
System.out.println(formatter.format(partitions[i].getOffset()) + ":" + formatter.format(partitions[i].getLength()) + " - " + partitions[i].getType() + " [" + StringUtils.escape(contents) + "]");
else
System.out.println(partitions[i] + " [" + StringUtils.escape(contents) + "]");
}
}
checkSeams();
model.releaseFromEdit();
inStream.close();
if (partitions == null)
return -1;
return partitions.length;
}
/**
* Retrieves the single partition at the given offset for the given file, using the
* default partitioner for that file type. This test allows for verifying the zero-length
* partitioning behavior.
*
* @param filename
* @param offset
* @return ITypedRegion
* @throws IOException
* @throws BadLocationException
*/
protected ITypedRegion getPartitionTest(String filename, int offset) throws IOException, BadLocationException {
IModelManager modelManager = StructuredModelManager.getModelManager();
InputStream inStream = getClass().getResourceAsStream(filename);
IStructuredModel model = modelManager.getModelForEdit(filename, inStream, null);
IStructuredDocument structuredDocument = model.getStructuredDocument();
partitions = null;
ITypedRegion partition = structuredDocument.getPartition(offset);
if (DEBUG_PRINT_RESULT) {
String contents = null;
System.out.println("\nfilename: " + filename);
try {
contents = structuredDocument.get(partition.getOffset(), partition.getLength());
}
catch (BadLocationException e) {
contents = "*error*";
}
System.out.println(partition + " [" + StringUtils.escape(contents) + "]");
}
model.releaseFromEdit();
inStream.close();
return partition;
}
/**
* Verifies that the given partitions are of the given partition types
* @param typedRegions
* @param types
*/
protected void verifyPartitionTypes(ITypedRegion actualTypedRegions[], String expectedTypes[]) {
for (int i = 0; i < expectedTypes.length; i++)
assertEquals("partition type mismatched", expectedTypes[i], actualTypedRegions[i].getType());
}
/**
* Verifies that the given partitions begin at the given offsets
* @param typedRegions
* @param types
*/
protected void verifyPartitionRegions(ITypedRegion typedRegions[], int offsets[]) {
for (int i = 0; i < offsets.length; i++) {
assertEquals("offset mismatched", typedRegions[i].getOffset(), offsets[i]);
if (i > 0) {
assertEquals("lengths misaligned", typedRegions[i].getOffset(), typedRegions[i - 1].getOffset() + typedRegions[i - 1].getLength());
}
}
}
}