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magic-Dependency
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add tests before refactor #586

master
yihua.huang 2017-06-03 21:33:18 +08:00
parent b363ee6a9d
commit b1ef61b278
9 changed files with 189 additions and 101 deletions
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33
webmagic-extension/src/main/java/us/codecraft/webmagic/model/PageModelExtractor.java
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@ -83,14 +83,13 @@ class PageModelExtractor {
return;
}
if (!formatter.formatter().equals(Formatter.DEFAULT_FORMATTER)) {
ObjectFormatter objectFormatter = initFormatter(formatter.formatter());
objectFormatter.initParam(formatter.value());
ObjectFormatter objectFormatter = initFormatter(formatter.formatter(), formatter.value());
fieldExtractor.setObjectFormatter(objectFormatter);
return;
}
if (!fieldExtractor.isMulti() && !String.class.isAssignableFrom(field.getType())) {
Class<?> fieldClazz = BasicTypeFormatter.detectBasicClass(field.getType());
ObjectFormatter objectFormatter = getObjectFormatter(field, fieldClazz, formatter);
ObjectFormatter objectFormatter = initFormatter(ObjectFormatters.get(fieldClazz), formatter.value());
if (objectFormatter == null) {
throw new IllegalStateException("Can't find formatter for field " + field.getName() + " of type " + fieldClazz);
} else {
@ -100,30 +99,22 @@ class PageModelExtractor {
if (!List.class.isAssignableFrom(field.getType())) {
throw new IllegalStateException("Field " + field.getName() + " must be list");
}
if (formatter != null) {
if (!formatter.subClazz().equals(Void.class)) {
ObjectFormatter objectFormatter = getObjectFormatter(field, formatter.subClazz(), formatter);
if (objectFormatter == null) {
throw new IllegalStateException("Can't find formatter for field " + field.getName() + " of type " + formatter.subClazz());
} else {
fieldExtractor.setObjectFormatter(objectFormatter);
}
if (!formatter.subClazz().equals(Void.class)) {
ObjectFormatter objectFormatter = initFormatter(ObjectFormatters.get(formatter.subClazz()), formatter.value());
if (objectFormatter == null) {
throw new IllegalStateException("Can't find formatter for field " + field.getName() + " of type " + formatter.subClazz());
} else {
fieldExtractor.setObjectFormatter(objectFormatter);
}
}
}
}
private ObjectFormatter getObjectFormatter(Field field, Class<?> fieldClazz, Formatter formatter) {
ObjectFormatter objectFormatter = initFormatter(ObjectFormatters.get(fieldClazz));
if(formatter != null && formatter.value() != null){
objectFormatter.initParam(formatter.value());
}
return objectFormatter;
}
private ObjectFormatter initFormatter(Class<? extends ObjectFormatter> formatterClazz) {
private ObjectFormatter initFormatter(Class<? extends ObjectFormatter> formatterClazz, String[] params) {
try {
return formatterClazz.newInstance();
ObjectFormatter objectFormatter = formatterClazz.newInstance();
objectFormatter.initParam(params);
return objectFormatter;
} catch (InstantiationException e) {
throw new RuntimeException(e);
} catch (IllegalAccessException e) {

18
webmagic-extension/src/test/java/us/codecraft/webmagic/model/GithubRepoApi.java 100644
View File

@ -0,0 +1,18 @@
package us.codecraft.webmagic.model;
import us.codecraft.webmagic.model.annotation.ExtractBy;
/**
* @author code4crafter@gmail.com
* Date: 2017/6/3
* Time: 下午9:07
*/
public class GithubRepoApi {
@ExtractBy(type = ExtractBy.Type.JsonPath, value = "$.name",source = ExtractBy.Source.RawText)
private String name;
public String getName() {
return name;
}
}

10
webmagic-extension/src/test/java/us/codecraft/webmagic/model/GithubRepoTest.java
View File

@ -1,12 +1,11 @@
package us.codecraft.webmagic.model;
import org.junit.Test;
import us.codecraft.webmagic.SimpleHttpClient;
import us.codecraft.webmagic.Site;
import us.codecraft.webmagic.Task;
import us.codecraft.webmagic.downloader.MockGithubDownloader;
import us.codecraft.webmagic.pipeline.PageModelPipeline;
import us.codecraft.webmagic.example.GithubRepo;
import us.codecraft.webmagic.pipeline.PageModelPipeline;
import static org.assertj.core.api.Assertions.assertThat;
@ -27,11 +26,4 @@ public class GithubRepoTest {
}, GithubRepo.class).addUrl("https://github.com/code4craft/webmagic").setDownloader(new MockGithubDownloader()).test("https://github.com/code4craft/webmagic");
}
@Test
public void test1() throws Exception {
SimpleHttpClient simpleHttpClient = new SimpleHttpClient();
GithubRepo model = simpleHttpClient.get("https://github.com/code4craft/webmagic",GithubRepo.class);
System.out.println(model);
}
}

13
webmagic-extension/src/test/java/us/codecraft/webmagic/model/MockModel.java
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@ -1,13 +0,0 @@
package us.codecraft.webmagic.model;
import us.codecraft.webmagic.model.annotation.HelpUrl;
import us.codecraft.webmagic.model.annotation.TargetUrl;
/**
* @author code4crafer@gmail.com
*/
@TargetUrl(value = "http://webmagic.io/post/\\d+",sourceRegion = "//li[@class='post']")
@HelpUrl(value = "http://webmagic.io/list/\\d+",sourceRegion = "//li[@class='list']")
public class MockModel {
}

38
webmagic-extension/src/test/java/us/codecraft/webmagic/model/ModelPageProcessorTest.java
View File

@ -1,19 +1,13 @@
package us.codecraft.webmagic.model;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.time.DateFormatUtils;
import org.junit.Test;
import us.codecraft.webmagic.Page;
import us.codecraft.webmagic.Request;
import us.codecraft.webmagic.model.annotation.ExtractBy;
import us.codecraft.webmagic.model.annotation.Formatter;
import us.codecraft.webmagic.model.annotation.HelpUrl;
import us.codecraft.webmagic.model.annotation.TargetUrl;
import us.codecraft.webmagic.model.formatter.DateFormatter;
import us.codecraft.webmagic.selector.PlainText;
import java.io.IOException;
import java.util.Date;
import static org.assertj.core.api.Assertions.assertThat;
/**
@ -22,6 +16,8 @@ import static org.assertj.core.api.Assertions.assertThat;
*/
public class ModelPageProcessorTest {
private PageMocker pageMocker = new PageMocker();
@TargetUrl("http://codecraft.us/foo")
public static class ModelFoo {
@ -38,15 +34,10 @@ public class ModelPageProcessorTest {
}
public static class ModelDate {
@TargetUrl(value = "http://webmagic.io/post/\\d+",sourceRegion = "//li[@class='post']")
@HelpUrl(value = "http://webmagic.io/list/\\d+",sourceRegion = "//li[@class='list']")
public static class MockModel {
@Formatter(value = "yyyyMMdd", formatter = DateFormatter.class)
@ExtractBy(value = "//div[@class='date']/text()", notNull = true)
private Date date;
public Date getDate() {
return date;
}
}
@Test
@ -63,26 +54,11 @@ public class ModelPageProcessorTest {
@Test
public void testExtractLinks() throws Exception {
ModelPageProcessor modelPageProcessor = ModelPageProcessor.create(null, MockModel.class);
Page page = getMockPage();
Page page = pageMocker.getMockPage();
modelPageProcessor.process(page);
assertThat(page.getTargetRequests()).containsExactly(new Request("http://webmagic.io/list/1"), new Request("http://webmagic.io/list/2"), new Request("http://webmagic.io/post/1"), new Request("http://webmagic.io/post/2"));
}
@Test
public void testExtractDate() throws Exception {
ModelPageProcessor modelPageProcessor = ModelPageProcessor.create(null, ModelDate.class);
Page page = getMockPage();
modelPageProcessor.process(page);
ModelDate modelDate = (ModelDate) page.getResultItems().get(ModelDate.class.getCanonicalName());
assertThat(DateFormatUtils.format(modelDate.getDate(),"yyyyMMdd")).isEqualTo("20170603");
}
private Page getMockPage() throws IOException {
Page page = new Page();
page.setRawText(IOUtils.toString(getClass().getClassLoader().getResourceAsStream("html/mock-webmagic.html")));
page.setRequest(new Request("http://webmagic.io/list/0"));
page.setUrl(new PlainText("http://webmagic.io/list/0"));
return page;
}
}

29
webmagic-extension/src/test/java/us/codecraft/webmagic/model/PageMapperTest.java
View File

@ -1,13 +1,6 @@
package us.codecraft.webmagic.model;
import org.apache.commons.io.IOUtils;
import org.junit.Test;
import us.codecraft.webmagic.Page;
import us.codecraft.webmagic.Request;
import us.codecraft.webmagic.model.annotation.ExtractBy;
import us.codecraft.webmagic.selector.PlainText;
import java.io.IOException;
import static org.assertj.core.api.Assertions.assertThat;
@ -18,29 +11,13 @@ import static org.assertj.core.api.Assertions.assertThat;
*/
public class PageMapperTest {
public static class GithubRepo {
@ExtractBy(type = ExtractBy.Type.JsonPath, value = "$.name",source = ExtractBy.Source.RawText)
private String name;
public String getName() {
return name;
}
}
private PageMocker pageMocker = new PageMocker();
@Test
public void test_get() throws Exception {
PageMapper<GithubRepo> pageMapper = new PageMapper<GithubRepo>(GithubRepo.class);
GithubRepo githubRepo = pageMapper.get(getMockJsonPage());
PageMapper<GithubRepoApi> pageMapper = new PageMapper<GithubRepoApi>(GithubRepoApi.class);
GithubRepoApi githubRepo = pageMapper.get(pageMocker.getMockJsonPage());
assertThat(githubRepo.getName()).isEqualTo("webmagic");
}
private Page getMockJsonPage() throws IOException {
Page page = new Page();
page.setRawText(IOUtils.toString(getClass().getClassLoader().getResourceAsStream("json/mock-githubrepo.json")));
page.setRequest(new Request("https://api.github.com/repos/code4craft/webmagic"));
page.setUrl(new PlainText("https://api.github.com/repos/code4craft/webmagic"));
return page;
}
}

32
webmagic-extension/src/test/java/us/codecraft/webmagic/model/PageMocker.java 100644
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@ -0,0 +1,32 @@
package us.codecraft.webmagic.model;
import org.apache.commons.io.IOUtils;
import us.codecraft.webmagic.Page;
import us.codecraft.webmagic.Request;
import us.codecraft.webmagic.selector.PlainText;
import java.io.IOException;
/**
* @author code4crafter@gmail.com
* Date: 2017/6/3
* Time: 下午9:08
*/
public class PageMocker {
public Page getMockJsonPage() throws IOException {
Page page = new Page();
page.setRawText(IOUtils.toString(PageMocker.class.getClassLoader().getResourceAsStream("json/mock-githubrepo.json")));
page.setRequest(new Request("https://api.github.com/repos/code4craft/webmagic"));
page.setUrl(new PlainText("https://api.github.com/repos/code4craft/webmagic"));
return page;
}
public Page getMockPage() throws IOException {
Page page = new Page();
page.setRawText(IOUtils.toString(PageMocker.class.getClassLoader().getResourceAsStream("html/mock-webmagic.html")));
page.setRequest(new Request("http://webmagic.io/list/0"));
page.setUrl(new PlainText("http://webmagic.io/list/0"));
return page;
}
}

103
webmagic-extension/src/test/java/us/codecraft/webmagic/model/PageModelExtractorTest.java 100644
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@ -0,0 +1,103 @@
package us.codecraft.webmagic.model;
import org.apache.commons.lang3.time.DateFormatUtils;
import org.junit.Test;
import us.codecraft.webmagic.model.annotation.ExtractBy;
import us.codecraft.webmagic.model.annotation.Formatter;
import us.codecraft.webmagic.model.formatter.DateFormatter;
import java.util.Date;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
/**
* @author code4crafter@gmail.com
* Date: 2017/6/3
* Time: 下午9:06
*/
public class PageModelExtractorTest {
private PageMocker pageMocker = new PageMocker();
public static class ModelDateStr {
@ExtractBy(value = "//div[@class='date']/text()", notNull = true)
private String dateStr;
}
public static class ModelDate {
@Formatter(value = "yyyyMMdd", formatter = DateFormatter.class)
@ExtractBy(value = "//div[@class='date']/text()", notNull = true)
private Date date;
}
public static class ModelInt {
@ExtractBy(value = "//div[@class='number']/text()", notNull = true)
private int number;
}
public static class ModelStringList {
@ExtractBy("//a/@href")
private List<String> links;
}
public static class ModelIntList {
@Formatter(subClazz = Integer.class)
@ExtractBy("//li[@class='numbers']/text()")
private List<Integer> numbers;
}
public static class ModelDateList {
@Formatter(subClazz = Date.class, value = "yyyyMMdd")
@ExtractBy("//li[@class='dates']/text()")
private List<Date> dates;
}
@Test
public void testXpath() throws Exception {
ModelDateStr modelDate = (ModelDateStr) PageModelExtractor.create(ModelDateStr.class).process(pageMocker.getMockPage());
assertThat(modelDate.dateStr).isEqualTo("20170603");
}
@Test
public void testExtractDate() throws Exception {
ModelDate modelDate = (ModelDate) PageModelExtractor.create(ModelDate.class).process(pageMocker.getMockPage());
assertThat(DateFormatUtils.format(modelDate.date,"yyyyMMdd")).isEqualTo("20170603");
}
@Test
public void testExtractInt() throws Exception {
ModelInt modelDate = (ModelInt) PageModelExtractor.create(ModelInt.class).process(pageMocker.getMockPage());
assertThat(modelDate.number).isEqualTo(12);
}
@Test
public void testExtractList() throws Exception {
ModelStringList modelDate = (ModelStringList) PageModelExtractor.create(ModelStringList.class).process(pageMocker.getMockPage());
assertThat(modelDate.links).hasSize(8);
}
@Test
public void testExtractIntList() throws Exception {
ModelIntList modelDate = (ModelIntList) PageModelExtractor.create(ModelIntList.class).process(pageMocker.getMockPage());
assertThat(modelDate.numbers).hasSize(4);
}
@Test
public void testExtractDateList() throws Exception {
ModelDateList modelDate = (ModelDateList) PageModelExtractor.create(ModelDateList.class).process(pageMocker.getMockPage());
assertThat(modelDate.dates).hasSize(4);
}
}

14
webmagic-extension/src/test/resources/html/mock-webmagic.html
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@ -6,6 +6,7 @@
</head>
<body>
<div class="date">20170603</div>
<div class="number">12</div>
<ul>
<li class="list"><a href="http://webmagic.io/list/1"></a></li>
<li class="list"><a href="http://webmagic.io/list/2"></a></li>
@ -18,6 +19,17 @@
<li class="post"><a href="http://webmagic.io/list/3"></a></li>
<li class="post"><a href="http://webmagic.io/list/4"></a></li>
</ul>
<ul>
<li class="numbers">1</li>
<li class="numbers">2</li>
<li class="numbers">3</li>
<li class="numbers">4</li>
</ul>
<ul>
<li class="dates">20170601</li>
<li class="dates">20170602</li>
<li class="dates">20170603</li>
<li class="dates">20170604</li>
</ul>
</body>
</html>