java - 无法在 Jzy3d 程序的子模块上执行目标 Maven Surefire 插件

Question

为了简化我要问的问题：什么是测试失败以及如何纠正它？

我是 Maven 新手，我正在尝试让图形绘图应用程序Jzy3d在我的计算机上工作。我已将所有插件更新为父模块和子模块的 POM 文件中的最新版本，并检查 Maven 是否指向我已安装的最新 JRE（确实如此）。

我的依赖树也很好，它涵盖了我在这个论坛和其他地方看到这个错误的许多途径。

我根本无法隔离这个问题。

运行mvn package -e时的错误信息如下：

D:\Program Files\jzy3d-api-master>mvn package -e 
[INFO] Error stacktraces are turned on. 
[INFO] Scanning for projects... 
[INFO]
------------------------------------------------------------------------ 
[INFO] Reactor Build Order: 
[INFO] 
[INFO] Jzy3d Master Project 
[INFO] JDT core (fork of https://github.com/yonatang/JDT) 
[INFO] Jzy3d API 
[INFO] Jzy3d SWT Tools 
[INFO] Jzy3d Tutorials 
[INFO] 
[INFO]
------------------------------------------------------------------------ 
[INFO] Building Jzy3d Master Project 0.9.2-SNAPSHOT 
[INFO]
------------------------------------------------------------------------ 
[INFO] 
[INFO]
------------------------------------------------------------------------ 
[INFO] Building JDT core (fork of https://github.com/yonatang/JDT)
0.9.2-SNAPSHOT 
[INFO] ------------------------------------------------------------------------ 
[INFO] 
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ jzy3d-jdt-core --- 
[INFO] Using 'UTF-8' encoding to copy filtered resources. 
[INFO] skip non existing resourceDirectory D:\Program Files\jzy3d-api-master\jzy3d-jdt-core\src\main\resources 
[INFO] 
[INFO] --- maven-compiler-plugin:3.3:compile (default-compile) @ jzy3d-jdt-core --- 
[INFO] Nothing to compile - all classes are up to date 
[INFO] 
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ jzy3d-jdt-core --- 
[INFO] Using 'UTF-8' encoding to copy filtered resources. 
[INFO] Copying 18 resources 
[INFO] 
[INFO] --- maven-compiler-plugin:3.3:testCompile (default-testCompile) @ jzy3d-jdt-core --- 
[INFO] Nothing to compile - all classes are up to date 
[INFO] 
[INFO] --- maven-surefire-plugin:2.19.1:test (default-test) @ jzy3d-jdt-core --- 
[INFO] Surefire report directory: D:\Program Files\jzy3d-api-master\jzy3d-jdt-core\target\surefire-reports
-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running il.ac.idc.jdt.SmokeTest Configuring TestNG with: TestNG60Configurator Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 2.639 sec <<< FAILURE! - in il.ac.idc.jdt.SmokeTest shouldRunOnExampleData(il.ac.idc.jdt.SmokeTest)  Time elapsed: 0.412 sec  <<< FAILURE! java.lang.AssertionError: t1_1000.tsin trangulation is correct for smf
        at il.ac.idc.jdt.SmokeTest.shouldRunOnExampleData(SmokeTest.java:28)
Results :
Failed tests:   SmokeTest.shouldRunOnExampleData:28 t1_1000.tsin trangulation is correct for smf
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0

[INFO]
------------------------------------------------------------------------ 
[INFO] Reactor Summary: 
[INFO] 
[INFO] Jzy3d Master Project ............................... SUCCESS [  0.022 s] 
[INFO] JDT core (fork of https://github.com/yonatang/JDT) . FAILURE [  8.853 s] 
[INFO] Jzy3d API .......................................... SKIPPED 
[INFO] Jzy3d SWT Tools .................................... SKIPPED 
[INFO] Jzy3d Tutorials .................................... SKIPPED 
[INFO]
------------------------------------------------------------------------ 
[INFO] BUILD FAILURE 
[INFO]
------------------------------------------------------------------------ 
[INFO] Total time: 9.772 s 
[INFO] Finished at: 2016-01-13T11:56:26+00:00 
[INFO] Final Memory: 8M/22M 
[INFO]
------------------------------------------------------------------------ 
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.19.1:test (default-test) on project jzy3d-jdt-core: There are test failures. 
[ERROR] 
[ERROR] Please refer to D:\Program Files\jzy3d-api-master\jzy3d-jdt-core\target\surefire-reports for the individual test results. 
[ERROR] -> [Help 1] org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.19.1:test (default-test) on project jzy3d-jdt-core: There are test failures.
Please refer to D:\Program Files\jzy3d-api-master\jzy3d-jdt-core\target\surefire-reports for the individual test results.
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
        at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
        at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
        at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356) Caused by: org.apache.maven.plugin.MojoFailureException: There are test failures.
Please refer to D:\Program Files\jzy3d-api-master\jzy3d-jdt-core\target\surefire-reports for the individual test results.
        at org.apache.maven.plugin.surefire.SurefireHelper.reportExecution(SurefireHelper.java:91)
        at org.apache.maven.plugin.surefire.SurefirePlugin.handleSummary(SurefirePlugin.java:320)
        at org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeAfterPreconditionsChecked(AbstractSurefireMojo.java:892)
        at org.apache.maven.plugin.surefire.AbstractSurefireMojo.execute(AbstractSurefireMojo.java:755)
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
        ... 20 more [ERROR] [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException [ERROR] [ERROR] After correcting the problems, you can resume the build with the command [ERROR]   mvn <goals> -rf :jzy3d-jdt-core

我的父 POM 文件是：

<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
                             http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>org.jzy3d</groupId>
    <artifactId>jzy3d-master</artifactId>
    <version>0.9.2-SNAPSHOT</version>
  <packaging>pom</packaging>

  <name>Jzy3d Master Project</name>
  <url>http://www.jzy3d.org</url>
  <description>A java API to draw 3d charts.</description>
  <developers>
    <developer>
      <id>martin.pernollet</id>
      <name>Martin Pernollet</name>
      <email>martin@jzy3d.org</email>
      <url>http://twitter.com/jzy3d</url>
    </developer>
    <developer>
      <id>nils.hoffmann</id>
      <name>Nils Hoffmann</name>
    </developer>
    <developer>
      <id>juan.barandiaran</id>
      <name>Juan Barandiaran</name>
    </developer>
  </developers>

  <licenses>
    <license>
      <name>The (New) BSD License</name>
      <url>http://www.opensource.org/licenses/bsd-license.php</url>
      <distribution>repo</distribution>
    </license>
  </licenses>
  <scm>
    <connection>scm:git:git://github.com/jzy3d/jzy3d-api</connection>
  </scm>
  <issueManagement>
    <system>Github</system>
    <url>https://github.com/jzy3d/jzy3d-api/issues</url>
  </issueManagement>

  <modules>
      <module>jzy3d-api</module>
      <!-- <module>jzy3d-javafx</module> -->
      <module>jzy3d-swt</module>

      <module>jzy3d-jdt-core</module>
      <module>jzy3d-tutorials</module>
  </modules>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <version.jzy3d>0.9.2-SNAPSHOT</version.jzy3d>
    <version.java.source>1.6</version.java.source>
    <version.java.target>1.6</version.java.target>
        <version.mvn.compiler>3.0</version.mvn.compiler>
        <version.mvn.ftp>1.0-beta-6</version.mvn.ftp>
        <version.mvn.deploy>2.4</version.mvn.deploy>
    <version.mvn.javadoc>2.9.1</version.mvn.javadoc>
        <version.libs.junit>4.10</version.libs.junit>
        <version.libs.swt>4.2.1</version.libs.swt>
    </properties>

  <distributionManagement>
    <repository>
      <id>jzy3d-ftp</id>
      <name>Jzy3d Maven Folder</name>
      <url>ftp://ftp.cluster013.ovh.net/maven/releases</url>
    </repository>
    <snapshotRepository>
      <id>jzy3d-ftp</id>
      <name>Jzy3d Maven Folder SNAPSHOTS</name>
      <url>ftp://ftp.cluster013.ovh.net/maven/snapshots</url>
    </snapshotRepository>
  </distributionManagement>

<repositories>
  <repository>
     <id>jzy3d-snapshots</id>
     <name>Jzy3d Snapshots</name>
     <url>http://maven.jzy3d.org/snapshots</url>
  </repository>
  <repository>
     <id>jzy3d-releases</id>
     <name>Jzy3d Snapshots</name>
     <url>http://maven.jzy3d.org/releases</url>
  </repository>
</repositories>

  <build>
    <pluginManagement>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                  <version>3.3</version>
                <configuration>
                    <source>1.5</source>
                    <target>1.5</target>
                </configuration>
            </plugin>

            <plugin>
              <groupId>org.apache.maven.plugins</groupId>
              <artifactId>maven-javadoc-plugin</artifactId>
              <version>2.10.3</version>
              <configuration>
                <stylesheetfile>jzy3d-api/doc/layout.css</stylesheetfile>
              </configuration>
            </plugin>

    <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-surefire-plugin</artifactId>
        <version>2.19.1</version>
     </plugin>

 <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-dependency-plugin</artifactId>
        <version>2.10</version>
        <executions>
          <execution>
            <id>copy</id>
            <phase>package</phase>
            <goals>
              <goal>copy</goal>
            </goals>
            <configuration>
              <artifactItems>
                <artifactItem>
                  <groupId>[ groupId ]</groupId>
                  <artifactId>[ artifactId ]</artifactId>
                  <version>[ version ]</version>
                  <type>[ packaging ]</type>
                  <classifier> [classifier - optional] </classifier>
                  <overWrite>[ true or false ]</overWrite>
                  <outputDirectory>[ output directory ]</outputDirectory>
                  <destFileName>[ filename ]</destFileName>
                </artifactItem>
              </artifactItems>
              <!-- other configurations here -->
            </configuration>
          </execution>
        </executions>
      </plugin>

    </plugins>
    </pluginManagement>


    <extensions>
      <extension>
        <groupId>org.apache.maven.wagon</groupId>
          <artifactId>wagon-ftp</artifactId>
          <version>${version.mvn.ftp}</version>
      </extension>
    </extensions>
  </build>
</project>

错误消息持续运行的子 POM (jzy3d-jdt-core) 是：

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.jzy3d</groupId>
        <artifactId>jzy3d-master</artifactId>
        <version>0.9.2-SNAPSHOT</version>
    </parent>
    <artifactId>jzy3d-jdt-core</artifactId>

    <name>JDT core (fork of https://github.com/yonatang/JDT)</name>
    <description>Java Delaunay Triangulation Core Library</description>

    <properties>
        <testng.version>6.5.2</testng.version>
        <hamcrest.version>1.3.RC2</hamcrest.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.3</version>
        </dependency>
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.1</version>
        </dependency>

score 3 · Accepted Answer

为了简化我要问的问题：什么是测试失败以及如何纠正它？

在构建 Maven 项目期间，它会自动执行所谓的单元测试。这些是 Java 类，其目的是验证项目的特定方法的行为。在这种情况下，事实证明其中一项测试在您的构建中失败。

2016 年 3 月 12 日更新：这篇文章中提到的问题已修复！

jzy3d库在windows上运行的测试确实有问题。我查看了他们的 GitHub 的主人，我遇到了和你一样的错误。

原因是，在单元测试期间，库正在检查两个文件的内容是否相等。但是，使用当前操作系统的行分隔符创建一个文件，而控制文件具有 Unix 行分隔符。

如果你看一下文件jzy3d-jdt-core\src\test\resources\outputs\t1_1000.tsin_result.tsin，你会注意到它使用了 Unix\n行分隔符。失败的shouldRunOnExampleData测试是创建一个临时文件来验证该控制文件。在我的 Windows 机器上，这个临时文件是在其中创建的C:\Users\{UserName}\AppData\Local\Temp\jdt-4971059362436436156.smf，如果打开，您可以看到它使用 Windows 行分隔符\r\n。因此，两个文件不相等，测试失败。

针对该库的开发人员的一个可能的解决方案是IOUtils.contentEqualsIgnoreEOL在 test 内部使用shouldRunOnExampleData，因为此方法在比较两个输入流时不检查行尾。我为这个问题创建了 issue 52并提交了一个 pull request，现在已合并并关闭。

图书馆的用户，您的解决方案是：

jzy3d-jdt-core\src\test\resources\outputs使用 Windows 行分隔符更改每个文件的行尾。如果您使用 Notepad++ 打开文件，您可以通过转到“编辑 > EOL 转换 > Windows 格式”来更改行尾并保存文件。
通过contentEqualsIgnoreEOL在类内部使用来修复代码SmokeTest（然后需要用包装参数InputStreamReader）。
跳过测试mvn clean install -DskipTests=true。

就我而言，我更改了测试代码以忽略行尾。其余的构建进展顺利。

score 0 · Accepted Answer

当我mvn package -e在 jzy3d 的 master 或 0.9.1 分支的新克隆上运行时，所有测试都通过并且 maven 构建成功。

从上面的输出中，是（在子模块中）中的shouldRunOnExampleData测试对您来说失败了。查看该测试的源代码，很明显它是为在某种 Unix 上运行而设计的，因为它引用了硬编码路径和.src/test/java/il/ac/idc/jdt/SmokeTest.javajzy3d-jdt-core"/inputs/""/outputs/"

同样从您上面的输出中，很明显您正在一些风味的 Windows 上运行，因此测试没有通过您也就不足为奇了。如果您想通过测试，您可以将它们分别更改为"\\inputs\\"和"\\outputs\\"，或者使用更灵活File.separator的，应该适用于每个操作系统。

如果您不关心测试是否通过，而只想构建由生成的 jar 文件mvn package -e，那么您可以改为运行mvn package -e -DskipTests. （设置-Dmaven.test.skip=true也应该有效；请参阅有关跳过测试的 Maven 文档。）

score 0 · Accepted Answer

测试失败是在执行测试时对断言的否定结果。基本上，您从被调用的方法或正在读取的字段中得到了意想不到的结果。

-> 它坏了，必须修理。这并不意味着你必须修复它。

mvn package -Dmaven.test.skip=true

可能有助于建立来源。

但是，您可以下载二进制文件，而不是自己构建源代码。这些似乎也可以在网页上找到。

java - 无法在 Jzy3d 程序的子模块上执行目标 Maven Surefire 插件

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