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JXDocumentTest.java
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package org.seimicrawler.xpath;
import com.tngtech.java.junit.dataprovider.DataProvider;
import com.tngtech.java.junit.dataprovider.DataProviderRunner;
import com.tngtech.java.junit.dataprovider.UseDataProvider;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.seimicrawler.xpath.exception.XpathSyntaxErrorException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Collectors;
/**
* JXDocument Tester.
*
* @author github.com/zhegexiaohuozi [email protected]
* @version 1.0
*/
@RunWith(DataProviderRunner.class)
public class JXDocumentTest {
private JXDocument underTest;
private JXDocument doubanTest;
private JXDocument custom;
private ClassLoader loader = getClass().getClassLoader();
private Logger logger = LoggerFactory.getLogger(JXDocumentTest.class);
@Before
public void before() throws Exception {
String html = "<html><body><script>console.log('aaaaa')</script><div class='test'>some body</div><div class='xiao'>Two</div></body></html>";
underTest = JXDocument.create(html);
if (doubanTest == null) {
URL t = loader.getResource("d_test.html");
assert t != null;
File dBook = new File(t.toURI());
String context = FileUtils.readFileToString(dBook, StandardCharsets.UTF_8);
doubanTest = JXDocument.create(context);
}
custom = JXDocument.create("<li><b>性别：</b>男</li>");
}
/**
* Method: sel(String xpath)
*/
@Test
public void testSel() throws Exception {
String xpath = "//script[1]/text()";
JXNode res = underTest.selNOne(xpath);
Assert.assertNotNull(res);
Assert.assertEquals("console.log('aaaaa')",res.asString());
}
@Test
public void testNotMatchFilter() throws Exception {
String xpath = "//div[contains(@class,'xiao')]/text()";
JXNode node = underTest.selNOne(xpath);
Assert.assertEquals("Two",node.asString());
}
@Test
@DataProvider(value = {
"//a/@href",
"//div[@class='paginator']/span[@class='next']/a/@href",
})
public void testXpath(String xpath) throws XpathSyntaxErrorException {
logger.info("current xpath: {}" , xpath);
List<JXNode> rs = doubanTest.selN(xpath);
for (JXNode n : rs) {
if (!n.isString()) {
int index = n.asElement().siblingIndex();
logger.info("index = {}",index);
}
logger.info(n.toString());
}
}
/**
* d_test.html 来源于 https://book.douban.com/tag/%E4%BA%92%E8%81%94%E7%BD%91
*
* 为了测试各种可能情况，ul[@class='subject-list']节点以及其下内容被复制了一份出来，并修改部分书名前缀为'T2-'以便区分
*/
@DataProvider
public static Object[][] dataOfXpathAndexpect() {
return new Object[][] {
{ "//ul[@class='subject-list']/li[position()<3][last()]/div/h2/allText()", "黑客与画家 : 硅谷创业之父Paul Graham文集T2-黑客与画家 : 硅谷创业之父Paul Graham文集" },
{ "//ul[@class='subject-list']/li[2]/div/h2//text()", "黑客与画家: 硅谷创业之父Paul Graham文集T2-黑客与画家: 硅谷创业之父Paul Graham文集" },
{ "//ul[@class='subject-list']/li[first()]/div/h2/allText()", "失控 : 全人类的最终命运和结局T2-失控 : 全人类的最终命运和结局" },
{ "//ul[@class='subject-list']/li[./div/div/span[@class='pl']/num()>(1000+90*(2*50))][last()][1]/div/h2/allText()", "长尾理论长尾理论" },
{ "//ul[@class='subject-list']/li[self::li/div/div/span[@class='pl']/num()>10000][-1]/div/h2/allText()", "长尾理论长尾理论" },
{ "//ul[@class='subject-list']/li[contains(self::li/div/div/span[@class='pl']//text(),'14582')]/div/h2//text()", "黑客与画家: 硅谷创业之父Paul Graham文集T2-黑客与画家: 硅谷创业之父Paul Graham文集" },
{ "//ul[@class='subject-list']/li[contains(./div/div/span[@class='pl']//text(),'14582')]/div/h2//text()", "黑客与画家: 硅谷创业之父Paul Graham文集T2-黑客与画家: 硅谷创业之父Paul Graham文集" },
{ "//*[@id=\"subject_list\"]/ul/li[2]/div[2]/h2/a//text()", "黑客与画家: 硅谷创业之父Paul Graham文集T2-黑客与画家: 硅谷创业之父Paul Graham文集" },
{ "//ul[@class]", 3L },
{ "//a[@id]/@href", "https://www.douban.com/doumail/" },
{ "//*[@id='subject_list']/ul[1]/li[8]/div[2]/div[2]/span[3]/num()", "3734" },
{ "//a[@id]/@href | //*[@id='subject_list']/ul[1]/li[8]/div[2]/div[2]/span[3]/num()", "https://www.douban.com/doumail/3734" },
};
}
@UseDataProvider("dataOfXpathAndexpect")
@Test
public void testXpathAndAssert(String xpath,Object expect) throws XpathSyntaxErrorException {
logger.info("current xpath: {}" , xpath);
List<JXNode> rs = doubanTest.selN(xpath);
if (expect instanceof String){
String res = StringUtils.join(rs,"");
logger.info(res);
Assert.assertEquals(expect,res);
}else if (expect instanceof Number){
long size = (long) expect;
Assert.assertEquals(size,rs.size());
}
}
@Test
@DataProvider(value = {
"//ul[@class='subject-list']/li[position()<3]"
})
public void testJXNode(String xpath) throws XpathSyntaxErrorException {
logger.info("current xpath: {}" , xpath);
List<JXNode> jxNodeList = doubanTest.selN(xpath);
Set<String> expect = new HashSet<>();
//第一个 ul 中的
expect.add("失控: 全人类的最终命运和结局");
expect.add("黑客与画家: 硅谷创业之父Paul Graham文集");
//第二个 ul 中的
expect.add("T2-失控: 全人类的最终命运和结局");
expect.add("T2-黑客与画家: 硅谷创业之父Paul Graham文集");
Set<String> res = new HashSet<>();
for (JXNode node : jxNodeList) {
if (!node.isString()) {
String currentRes = StringUtils.join(node.sel("/div/h2/a//text()"), "");
logger.info(currentRes);
res.add(currentRes);
}
}
Assert.assertEquals(expect, res);
}
@Test
@DataProvider(value = {
"//ul[@class='subject-list']"
})
public void testRecursionNode(String xpath) throws XpathSyntaxErrorException {
logger.info("current xpath: {}" , xpath);
List<JXNode> jxNodeList = doubanTest.selN(xpath);
logger.info("size = {}",jxNodeList.size());
// 有两个ul，下面的是为了测试特意复制添加的
Assert.assertEquals(2, jxNodeList.size());
}
@Test
@DataProvider(value = {
"//body/div/div/h1/text()",
"/body/div/div/h1/text()"
})
public void absolutePathTest(String xpath) throws XpathSyntaxErrorException {
logger.info("current xpath: {}" , xpath);
List<JXNode> jxNodeList = doubanTest.selN(xpath);
logger.info("size = {}，res ={}",jxNodeList.size(),jxNodeList);
}
@Test
public void testAs() throws XpathSyntaxErrorException {
List<JXNode> jxNodeList = custom.selN("//b[contains(text(),'性别')]/parent::*/text()");
Assert.assertEquals("男",StringUtils.join(jxNodeList,""));
for (JXNode jxNode : jxNodeList) {
logger.info(jxNode.toString());
}
}
/**
* fix https://github.com/zhegexiaohuozi/JsoupXpath/issues/33
*/
// @Test
public void testNotObj(){
JXDocument doc = JXDocument.createByUrl("https://www.gxwztv.com/61/61514/");
// List<JXNode> nodes = doc.selN("//*[@id=\"chapters-list\"]/li[@style]");
List<JXNode> nodes = doc.selN("//*[@id=\"chapters-list\"]/li[not(@style)]");
for (JXNode node:nodes){
logger.info("r = {}",node);
}
}
/**
* fix https://github.com/zhegexiaohuozi/JsoupXpath/issues/34
*/
@Test
public void testAttrAtRoot(){
String content = "<html>\n" +
" <head></head>\n" +
" <body>\n" +
" <a href=\"/124/124818/162585930.html\">第2章 神奇交流群</a>\n" +
" </body>\n" +
"</html>";
JXDocument doc = JXDocument.create(content);
List<JXNode> nodes = doc.selN("//@href");
for (JXNode node:nodes){
logger.info("r = {}",node);
}
}
@Test
public void testA(){
String content = "<span style=\"color: #5191ce;\" >网页设计师</span>";
JXDocument doc = JXDocument.create(content);
List<JXNode> nodes = doc.selN("//*[text()='网页设计师']");
for (JXNode node:nodes){
logger.info("r = {}",node);
}
}
/**
* fix https://github.com/zhegexiaohuozi/JsoupXpath/issues/52
*/
@Test
public void fixTextBehaviorTest(){
String html = "<p><span class=\"text-muted\">分类：</span>动漫<span class=\"split-line\"></span><span class=\"text-muted hidden-xs\">地区：</span>日本<span class=\"split-line\"></span><span class=\"text-muted hidden-xs\">年份：</span>2010</p>";
JXDocument jxDocument = JXDocument.create(html);
List<JXNode> jxNodes = jxDocument.selN("//text()[3]");
String actual = StringUtils.join(jxNodes,"");
logger.info("actual = {}",actual);
Assert.assertEquals("2010", actual);
List<JXNode> nodes = jxDocument.selN("//text()");
String allText = StringUtils.join(nodes,"");
Assert.assertEquals("分类：动漫地区：日本年份：2010",allText);
logger.info("all = {}",allText);
}
/**
* fix https://github.com/zhegexiaohuozi/JsoupXpath/issues/44
*/
@Test
public void fixTextElNoParentTest(){
String test="<div class='a'> a <div>need</div> <div class='e'> not need</div> c </div>";
JXDocument j = JXDocument.create(test);
List<JXNode> l = j.selN("//div[@class='a']//text()[not(ancestor::div[@class='e'])]");
Set<String> finalRes = new HashSet<>();
for (JXNode i : l){
logger.info("{}",i.toString());
finalRes.add(i.asString());
}
Assert.assertFalse(finalRes.contains("not need"));
Assert.assertTrue(finalRes.contains("need"));
Assert.assertEquals(4, finalRes.size());
}
/**
* fix https://github.com/zhegexiaohuozi/JsoupXpath/issues/53
*/
@Test
public void fixIssue53(){
String content = "<li class=\"res-book-item\" data-bid=\"1018351389\" data-rid=\"1\"> \n" +
" <div class=\"book-img-box\"> <a href=\"//book.qidian.com/info/1018351389\" target=\"_blank\" data-eid=\"qd_S04\" data-algrid=\"0.0.0\" data-bid=\"1018351389\"><img src=\"//bookcover.yuewen.com/qdbimg/349573/1018351389/150\"></a> \n" +
" </div> \n" +
" <div class=\"book-mid-info\"> \n" +
" <h4><a href=\"//book.qidian.com/info/1018351389\" target=\"_blank\" data-eid=\"qd_S05\" data-bid=\"1018351389\" data-algrid=\"0.0.0\"><cite class=\"red-kw\">我们</cite>平凡<cite class=\"red-kw\">我们</cite>忠诚</a></h4> \n" +
" <p class=\"author\"> <img src=\"//qidian.gtimg.com/qd/images/ico/user.f22d3.png\"><a class=\"name\" data-eid=\"qd_S06\" href=\"//my.qidian.com/author/403791004\" target=\"_blank\">巡璃</a> <em>|</em><a href=\"//www.qidian.com/duanpian\" data-eid=\"qd_S07\" target=\"_blank\">短篇</a><em>|</em><span>连载</span> </p> \n" +
" <p class=\"intro\"> 这是一位普通老兵的故事，这位老兵没有走上战场，也没有人歌颂他，但他的工作却是面对生与死，他是一名普通的军转干部，没有得到任何荣誉，却仍旧坚守着信仰，永远忠诚。除了他的家人，他的战友，他的故事不被任何人所知，但他的故事正是一代军人、一代军转干部的写照。所以，我来歌颂他，歌颂那一代人。 </p> \n" +
" <p class=\"update\"><a href=\"//read.qidian.com/chapter/YiObT_DmJpXu4xLcYRGW6w2/Ulsr6ThvJS5p4rPq4Fd4KQ2\" target=\"_blank\" data-eid=\"qd_S08\" data-bid=\"1018351389\" data-cid=\"//read.qidian.com/chapter/YiObT_DmJpXu4xLcYRGW6w2/Ulsr6ThvJS5p4rPq4Fd4KQ2\">最新更新 第一次见识到生死</a><em>·</em><span>2020-02-19</span> </p> \n" +
" </div> \n" +
" <div class=\"book-right-info\"> \n" +
" <div class=\"total\"> \n" +
" <p><span> 4497</span>总字数</p> \n" +
" <p><span> 0</span>总推荐</p> \n" +
" </div> \n" +
" <p class=\"btn\"> <a class=\"red-btn\" href=\"//book.qidian.com/info/1018351389\" data-eid=\"qd_S02\" target=\"_blank\">书籍详情</a> <a class=\"blue-btn add-book\" href=\"javascript:\" data-eid=\"qd_S03\" data-bookid=\"1018351389\" data-bid=\"1018351389\">加入书架</a> </p> \n" +
" </div> </li>";
JXDocument j = JXDocument.create(content);
List<JXNode> l = j.selN("//*[text()='总字数']//text()");
Assert.assertEquals(2,l.size());
Assert.assertEquals("4497",l.get(0).asString());
Assert.assertEquals("总字数",l.get(1).asString());
}
@Test
public void fixIssue53B(){
String content = "<li class=\"res-book-item\" data-bid=\"1018351389\" data-rid=\"1\"> \n" +
" <div class=\"book-img-box\"> <a href=\"//book.qidian.com/info/1018351389\" target=\"_blank\" data-eid=\"qd_S04\" data-algrid=\"0.0.0\" data-bid=\"1018351389\"><img src=\"//bookcover.yuewen.com/qdbimg/349573/1018351389/150\"></a> \n" +
" </div> \n" +
" <div class=\"book-mid-info\"> \n" +
" <h4><a href=\"//book.qidian.com/info/1018351389\" target=\"_blank\" data-eid=\"qd_S05\" data-bid=\"1018351389\" data-algrid=\"0.0.0\"><cite class=\"red-kw\">我们</cite>平凡<cite class=\"red-kw\">我们</cite>忠诚</a></h4> \n" +
" <p class=\"author\"> <img src=\"//qidian.gtimg.com/qd/images/ico/user.f22d3.png\"><a class=\"name\" data-eid=\"qd_S06\" href=\"//my.qidian.com/author/403791004\" target=\"_blank\">巡璃</a> <em>|</em><a href=\"//www.qidian.com/duanpian\" data-eid=\"qd_S07\" target=\"_blank\">短篇</a><em>|</em><span>连载</span> </p> \n" +
" <p class=\"intro\"> 这是一位普通老兵的故事，这位老兵没有走上战场，也没有人歌颂他，但他的工作却是面对生与死，他是一名普通的军转干部，没有得到任何荣誉，却仍旧坚守着信仰，永远忠诚。除了他的家人，他的战友，他的故事不被任何人所知，但他的故事正是一代军人、一代军转干部的写照。所以，我来歌颂他，歌颂那一代人。 </p> \n" +
" <p class=\"update\"><a href=\"//read.qidian.com/chapter/YiObT_DmJpXu4xLcYRGW6w2/Ulsr6ThvJS5p4rPq4Fd4KQ2\" target=\"_blank\" data-eid=\"qd_S08\" data-bid=\"1018351389\" data-cid=\"//read.qidian.com/chapter/YiObT_DmJpXu4xLcYRGW6w2/Ulsr6ThvJS5p4rPq4Fd4KQ2\">最新更新 第一次见识到生死</a><em>·</em><span>2020-02-19</span> </p> \n" +
" </div> \n" +
" <div class=\"book-right-info\"> \n" +
" <div class=\"total\"> \n" +
" <p><span> 4497</span>总字数</p> \n" +
" <p><span> 0</span>总推荐</p> \n" +
" </div> \n" +
" <p class=\"btn\"> <a class=\"red-btn\" href=\"//book.qidian.com/info/1018351389\" data-eid=\"qd_S02\" target=\"_blank\">书籍详情</a> <a class=\"blue-btn add-book\" href=\"javascript:\" data-eid=\"qd_S03\" data-bookid=\"1018351389\" data-bid=\"1018351389\">加入书架</a> </p> \n" +
" </div> </li>";
JXDocument j = JXDocument.create(content);
List<JXNode> l = j.selN("//*[text()='总字数']//text()[1]");
logger.info("{}",l);
Assert.assertEquals(2, l.size());
// xpath索引值从1开始
List<JXNode> l2 = j.selN("//*[text()='总字数']//text()[0]");
Assert.assertEquals(0,l2.size());
List<JXNode> l3 = j.selN("//*[text()='总字数']//text()[2]");
Assert.assertEquals(0,l3.size());
}
@Test
public void textChildOrderTest(){
String content = "<p> one <span> two</span> three </p>";
JXDocument j = JXDocument.create(content);
Assert.assertEquals(StringUtils.join(j.selN("//text()[2]"),""), "three");
}
@Test
public void issue64And65(){
String content = "<div class='a'>1</div>" +
"<div>2</div>\n" +
"<div class='a'>3</div>\n" +
"<div>4</div>\n" +
"<div>5</div>11" +
"<tag>6</tag>12" +
"<div>7<span>8</span></div>" +
"";
JXDocument j = JXDocument.create(content);
Assert.assertEquals("2", j.selNOne("//div[text()='3']/preceding-sibling-one::div/text()").asString());
Assert.assertEquals("4", j.selNOne("//div[text()='3']/following-sibling-one::div/text()").asString());
Assert.assertEquals("7", j.selNOne("//div[text()='5']/following-sibling::div/text()").asString());
Assert.assertEquals("6", j.selNOne("//div[text()='5']/following-sibling::tag/text()").asString());
Assert.assertEquals("11", j.selNOne("//div[text()='5']/following-sibling::text()").asString());
Assert.assertEquals("12", j.selNOne("//div[text()='7']/preceding-sibling::text()").asString());
Assert.assertEquals("5", j.selNOne("//div[text()='7']/preceding-sibling::div/text()").asString());
Assert.assertEquals("6", j.selNOne("//div[text()='7']/preceding-sibling::tag/text()").asString());
Assert.assertEquals("6", j.selNOne("//div[text()='7']/preceding-sibling::tag/text()").asString());
Assert.assertEquals("11 6 12 7 8", j.selN("//div[text()='5']/following::text()").stream().map(Objects::toString).collect(Collectors.joining(" ")).trim());
Assert.assertEquals("6", j.selN("//div[text()='5']/following::tag/text()").stream().map(Objects::toString).collect(Collectors.joining(" ")).trim());
Assert.assertEquals("8", j.selN("//div[text()='5']/following::span/text()").stream().map(Objects::toString).collect(Collectors.joining(" ")).trim());
Assert.assertEquals("5 7", j.selN("//div[text()='4']/following::div/text()").stream().map(Objects::toString).collect(Collectors.joining(" ")).trim());
Assert.assertEquals("2 1", j.selN("//div[text()='3']/preceding::text()").stream().map(Objects::toString).collect(Collectors.joining(" ")).trim());
Assert.assertEquals("3 2 1", j.selN("//div[text()='4']/preceding::text()").stream().map(Objects::toString).collect(Collectors.joining(" ")).trim());
}
@Test
public void issue66() throws Exception {
JXDocument j = createFromResource("issue66.html");
logger.info("{}", j.selN("count(//bookstore/book)"));
logger.info("{}", j.selN("sum(//bookstore/book/year[num()<2005])"));
logger.info("{}", j.selN("sum(//bookstore/book/price)"));
logger.info("{}", j.selN("sum(//bookstore/book/title)"));
Assert.assertEquals(4,j.selNOne("count(//bookstore/book)").asLong().longValue());
Assert.assertEquals("30.00 29.99 49.99",j.selN("//bookstore/book[position()<count(//bookstore/book)]/price/text()").stream().map(Objects::toString).collect(Collectors.joining(" ")).trim());
Assert.assertEquals("30.00 29.99",j.selN("//bookstore/book[position()<count(//bookstore/book)-1]/price/text()").stream().map(Objects::toString).collect(Collectors.joining(" ")).trim());
Assert.assertEquals(4006,j.selNOne("sum(//bookstore/book/year[num()<2005])").asLong().longValue());
Assert.assertEquals("",j.selNOne("sum(//bookstore/book/title)").asString());
}
@Test
public void i42() throws Exception {
JXDocument j = createFromResource("issue66.html");
logger.info("{}", j.selNOne("//bookstore/book[last()]/price"));
Assert.assertEquals(39.95, j.selNOne("//bookstore/book[last()]/price/num()").asDouble().doubleValue(),10);
}
@Test
public void testDoubanDetailInfoExtra() throws Exception{
JXDocument doc = createFromResource("d_detail_page.html");
JXNode score = doc.selNOne("//*[@id=\"interest_sectl\"]/div/div[2]/strong/text()");
logger.info("{}", score.asString());
JXNode title = doc.selNOne("//*[@id=\"wrapper\"]/h1/span/text()");
logger.info("{}", title.asString());
JXNode pageNum = doc.selNOne("//*[@id=\"info\"]/span[contains(text(),'页数')]/following-sibling::text()");
logger.info("{}", pageNum.asString());
Assert.assertEquals("956", pageNum.asString());
JXNode price = doc.selNOne("//*[@id=\"info\"]/span[contains(text(),'定价')]/following-sibling::text()");
logger.info("{}", price.asString());
Assert.assertEquals("139.00元", price.asString());
}
private JXDocument createFromResource(String fileName){
JXDocument jxDocument = null;
try {
jxDocument = JXDocument.create(FileUtils.readFileToString(new File(loader.getResource(fileName).toURI()), StandardCharsets.UTF_8));
} catch (Exception e) {
logger.error(e.getMessage(),e);
}
assert jxDocument!=null;
return jxDocument;
}
}