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/*
* ====================================================================
* 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.
* ====================================================================
*/
package org.apache.poi.xssf.eventusermodel;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.regex.Pattern;
import org.apache.poi.POIDataSamples;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.openxml4j.opc.PackagePart;
import org.apache.poi.ss.usermodel.RichTextString;
import org.apache.poi.xssf.model.SharedStringsTable;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.junit.jupiter.api.Test;
import org.xml.sax.SAXException;
/**
* Tests for {@link org.apache.poi.xssf.eventusermodel.XSSFReader}
*/
public final class TestReadOnlySharedStringsTable {
private static final POIDataSamples _ssTests = POIDataSamples.getSpreadSheetInstance();
@Test
void testParse() throws Exception {
try (OPCPackage pkg = OPCPackage.open(_ssTests.openResourceAsStream("SampleSS.xlsx"))) {
List<PackagePart> parts = pkg.getPartsByName(Pattern.compile("/xl/sharedStrings.xml"));
assertEquals(1, parts.size());
try (SharedStringsTable stbl = new SharedStringsTable(parts.get(0))) {
ReadOnlySharedStringsTable rtbl = new ReadOnlySharedStringsTable(parts.get(0));
ReadOnlySharedStringsTable rtbl2;
try (InputStream stream = parts.get(0).getInputStream()) {
rtbl2 = new ReadOnlySharedStringsTable(stream);
}
assertEquals(stbl.getCount(), rtbl.getCount());
assertEquals(stbl.getUniqueCount(), rtbl.getUniqueCount());
assertEquals(stbl.getUniqueCount(), rtbl2.getUniqueCount());
assertEquals(stbl.getCount(), stbl.getUniqueCount());
assertEquals(rtbl.getCount(), rtbl.getUniqueCount());
assertEquals(rtbl.getCount(), rtbl2.getUniqueCount());
for (int i = 0; i < stbl.getUniqueCount(); i++) {
RichTextString i1 = stbl.getItemAt(i);
assertEquals(i1.getString(), rtbl.getItemAt(i).getString());
assertEquals(i1.getString(), rtbl2.getItemAt(i).getString());
}
// verify invalid indices
assertThrows(IllegalStateException.class,
() -> rtbl.getItemAt(stbl.getUniqueCount()));
assertThrows(IndexOutOfBoundsException.class,
() -> rtbl.getItemAt(-1));
}
}
}
@Test
void testParseMalformedCountFile() throws Exception {
try (OPCPackage pkg = OPCPackage.open(_ssTests.openResourceAsStream("MalformedSSTCount.xlsx"))) {
List<PackagePart> parts = pkg.getPartsByName(Pattern.compile("/xl/sharedStrings.xml"));
assertEquals(1, parts.size());
try (SharedStringsTable stbl = new SharedStringsTable(parts.get(0))) {
ReadOnlySharedStringsTable rtbl = new ReadOnlySharedStringsTable(parts.get(0));
ReadOnlySharedStringsTable rtbl2;
try (InputStream stream = parts.get(0).getInputStream()) {
rtbl2 = new ReadOnlySharedStringsTable(stream);
}
assertEquals(stbl.getCount(), rtbl.getCount());
assertEquals(stbl.getUniqueCount(), rtbl.getUniqueCount());
assertEquals(stbl.getUniqueCount(), rtbl2.getUniqueCount());
for (int i = 0; i < stbl.getUniqueCount(); i++) {
RichTextString i1 = stbl.getItemAt(i);
assertEquals(i1.getString(), rtbl.getItemAt(i).getString());
assertEquals(i1.getString(), rtbl2.getItemAt(i).getString());
}
}
}
}
//51519
@Test
void testPhoneticRuns() throws Exception {
try (OPCPackage pkg = OPCPackage.open(_ssTests.openResourceAsStream("51519.xlsx"))) {
List<PackagePart> parts = pkg.getPartsByName(Pattern.compile("/xl/sharedStrings.xml"));
assertEquals(1, parts.size());
ReadOnlySharedStringsTable rtbl = new ReadOnlySharedStringsTable(parts.get(0), true);
assertEquals(49, rtbl.getUniqueCount());
assertEquals("\u30B3\u30E1\u30F3\u30C8", rtbl.getItemAt(0).getString());
assertEquals("\u65E5\u672C\u30AA\u30E9\u30AF\u30EB \u30CB\u30DB\u30F3", rtbl.getItemAt(3).getString());
//now do not include phonetic runs
rtbl = new ReadOnlySharedStringsTable(parts.get(0), false);
assertEquals(49, rtbl.getUniqueCount());
assertEquals("\u30B3\u30E1\u30F3\u30C8", rtbl.getItemAt(0).getString());
assertEquals("\u65E5\u672C\u30AA\u30E9\u30AF\u30EB", rtbl.getItemAt(3).getString());
}
}
@Test
void testEmptySSTOnPackageObtainedViaWorkbook() throws Exception {
XSSFWorkbook wb = new XSSFWorkbook(_ssTests.openResourceAsStream("noSharedStringTable.xlsx"));
OPCPackage pkg = wb.getPackage();
assertEmptySST(pkg);
wb.close();
}
@Test
void testEmptySSTOnPackageDirect() throws Exception {
try (OPCPackage pkg = OPCPackage.open(_ssTests.openResourceAsStream("noSharedStringTable.xlsx"))) {
assertEmptySST(pkg);
}
}
@Test
void testNullPointerException() throws Exception {
try (OPCPackage pkg = OPCPackage.open(_ssTests.openResourceAsStream("clusterfuzz-testcase-minimized-XLSX2CSVFuzzer-5025401116950528.xlsx"))) {
assertEmptySST(pkg);
}
try (OPCPackage pkg = OPCPackage.open(_ssTests.openResourceAsStream("clusterfuzz-testcase-minimized-XLSX2CSVFuzzer-5025401116950528.xlsx"))) {
List<PackagePart> parts = pkg.getPartsByName(Pattern.compile("/xl/sharedStrings.xml"));
assertEquals(1, parts.size());
//noinspection resource
assertThrows(IOException.class,
() -> new SharedStringsTable(parts.get(0)));
}
}
private void assertEmptySST(OPCPackage pkg) throws IOException, SAXException {
ReadOnlySharedStringsTable sst = new ReadOnlySharedStringsTable(pkg);
assertEquals(0, sst.getCount());
assertEquals(0, sst.getUniqueCount());
}
private static final String MINIMAL_XML = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>" +
"<sst xmlns=\"http://schemas.openxmlformats.org/spreadsheetml/2006/main\" count=\"55\" uniqueCount=\"49\">" +
"<si>" +
"<t>bla</t>" +
"<phoneticPr fontId=\"1\"/>" +
"</si>" +
"</sst>";
@Test
void testMinimalTable() throws IOException, SAXException {
ReadOnlySharedStringsTable tbl = new ReadOnlySharedStringsTable(
new ByteArrayInputStream(MINIMAL_XML.getBytes(StandardCharsets.UTF_8)));
assertNotNull(tbl);
assertEquals(49, tbl.getUniqueCount());
assertEquals(55, tbl.getCount());
assertTrue(tbl.includePhoneticRuns);
assertEquals("bla", tbl.getItemAt(0).getString());
assertThrows(IllegalStateException.class,
() -> tbl.getItemAt(1).getString());
}
@Test
void testHugeUniqueCount() throws IOException, SAXException {
ReadOnlySharedStringsTable tbl = new ReadOnlySharedStringsTable(
new ByteArrayInputStream(MINIMAL_XML.replace("49", "99999999999999999").
getBytes(StandardCharsets.UTF_8)));
assertNotNull(tbl);
assertEquals(1569325055, tbl.getUniqueCount());
assertEquals(55, tbl.getCount());
assertTrue(tbl.includePhoneticRuns);
assertEquals("bla", tbl.getItemAt(0).getString());
assertThrows(IllegalStateException.class,
() -> tbl.getItemAt(1).getString());
}
}
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