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我試圖第一次創建一個maven插件。 除了測試部分之外，一切都運行到現在。 我想在開始編寫插件本身之前編寫一些測試用例。 到目前爲止，我已經遇到了很多麻煩，能夠簡單地運行一個甚至不做任何事情的測試用例。Maven插件AbstractMojoTestCase PlexusContainerException
我想我錯過了依賴關係或者我使用的是兼容版本。我對這些版本感到茫然，例外情況也發生了很大變化。但是這個不斷回來。
所以，當我跑mvn test我從控制檯以下響應：
λ mvn test
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Simple Web Share Plugin 1.2.9-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ sws-maven-plugin ---
[INFO] Using '' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory maven-sws-plugin\src\main\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.2:compile (default-compile) @ sws-maven-plugin ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 4 source files to maven-sws-plugin\target\classes
[INFO]
[INFO] --- maven-plugin-plugin:3.2:descriptor (default-descriptor) @ sws-maven-plugin ---
[INFO] Using '' encoding to read mojo metadata.
[INFO] Applying mojo extractor for language: java
[INFO] Mojo extractor for language: java found 0 mojo descriptors.
[INFO] Applying mojo extractor for language: bsh
[INFO] Mojo extractor for language: bsh found 0 mojo descriptors.
[INFO] Applying mojo extractor for language: java-annotations
[INFO] Mojo extractor for language: java-annotations found 1 mojo descriptors.
[INFO]
[INFO] --- maven-plugin-plugin:3.2:descriptor (mojo-descriptor) @ sws-maven-plugin ---
[INFO] Using '' encoding to read mojo metadata.
[INFO] Applying mojo extractor for language: java
[INFO] Mojo extractor for language: java found 0 mojo descriptors.
[INFO] Applying mojo extractor for language: bsh
[INFO] Mojo extractor for language: bsh found 0 mojo descriptors.
[INFO] Applying mojo extractor for language: java-annotations
[INFO] Mojo extractor for language: java-annotations found 1 mojo descriptors.
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ sws-maven-plugin ---
[INFO] Using '' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.2:testCompile (default-testCompile) @ sws-maven-plugin ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ sws-maven-plugin ---
[INFO] Surefire report directory: maven-sws-plugin\target\surefire-reports
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running plugins.MojoTest
org.codehaus.plexus.PlexusContainerException: Cycle detected in component graph in the system:
at org.codehaus.plexus.DefaultPlexusContainer.initialize(DefaultPlexusContainer.java:624)
at org.codehaus.plexus.DefaultPlexusContainer.construct(DefaultPlexusContainer.java:281)
at org.codehaus.plexus.DefaultPlexusContainer.<init>(DefaultPlexusContainer.java:172)
at org.apache.maven.plugin.testing.AbstractMojoTestCase.setupContainer(AbstractMojoTestCase.java:159)
at org.apache.maven.plugin.testing.AbstractMojoTestCase.getContainer(AbstractMojoTestCase.java:179)
at org.apache.maven.plugin.testing.AbstractMojoTestCase.setUp(AbstractMojoTestCase.java:107)
at nl.ciber.maven.plugins.MojoTest.setUp(MojoTest.java:11)
at junit.framework.TestCase.runBare(TestCase.java:125)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.maven.surefire.junit.JUnitTestSet.execute(JUnitTestSet.java:95)
at org.apache.maven.surefire.junit.JUnit3Provider.executeTestSet(JUnit3Provider.java:121)
at org.apache.maven.surefire.junit.JUnit3Provider.invoke(JUnit3Provider.java:98)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.codehaus.plexus.component.composition.CycleDetectedInComponentGraphException: Cyclic requirement detected
at org.codehaus.plexus.component.composition.DefaultCompositionResolver.addComponentDescriptor(DefaultCompositionResolver.java:65)
at org.codehaus.plexus.component.repository.DefaultComponentRepository.addComponentDescriptor(DefaultComponentRepository.java:229)
at org.codehaus.plexus.DefaultComponentRegistry.addComponentDescriptor(DefaultComponentRegistry.java:126)
at org.codehaus.plexus.DefaultPlexusContainer.addComponentDescriptor(DefaultPlexusContainer.java:514)
at org.codehaus.plexus.DefaultPlexusContainer.discoverComponents(DefaultPlexusContainer.java:969)
at org.codehaus.plexus.DefaultPlexusContainer.discoverComponents(DefaultPlexusContainer.java:941)
at org.codehaus.plexus.DefaultPlexusContainer.initialize(DefaultPlexusContainer.java:560)
... 29 more
Caused by: org.codehaus.plexus.util.dag.CycleDetectedException: Edge between 'Vertex{label='org.apache.maven.plugin.version.PluginVersionResolver:default'}' and 'Vertex{label='org.apache.maven.plugin.MavenPluginManager:default'}' introduces to cycle in the graph org.apache.maven.plugin.MavenPluginManager:default --> org.apache.maven.plugin.version.PluginVersionResolver:default --> org.apache.maven.plugin.MavenPluginManager:default
at org.codehaus.plexus.util.dag.DAG.addEdge(DAG.java:143)
at org.codehaus.plexus.util.dag.DAG.addEdge(DAG.java:123)
at org.codehaus.plexus.component.composition.DefaultCompositionResolver.addComponentDescriptor(DefaultCompositionResolver.java:60)
... 35 more
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.726 sec <<< FAILURE!
testFilePath(***.maven.plugins.MojoTest) Time elapsed: 0.686 sec <<< FAILURE!
junit.framework.AssertionFailedError: Failed to create plexus container.
at junit.framework.Assert.fail(Assert.java:47)
at org.apache.maven.plugin.testing.AbstractMojoTestCase.setupContainer(AbstractMojoTestCase.java:164)
at org.apache.maven.plugin.testing.AbstractMojoTestCase.getContainer(AbstractMojoTestCase.java:179)
at org.apache.maven.plugin.testing.AbstractMojoTestCase.setUp(AbstractMojoTestCase.java:107)
at ***.maven.plugins.MojoTest.setUp(MojoTest.java:11)
at junit.framework.TestCase.runBare(TestCase.java:125)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.maven.surefire.junit.JUnitTestSet.execute(JUnitTestSet.java:95)
at org.apache.maven.surefire.junit.JUnit3Provider.executeTestSet(JUnit3Provider.java:121)
at org.apache.maven.surefire.junit.JUnit3Provider.invoke(JUnit3Provider.java:98)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Results :
Failed tests: testFilePath(***.maven.plugins.MojoTest): Failed to create plexus container.
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 13.595 s
[INFO] Finished at: 2017-03-24T10:35:35+01:00
[INFO] Final Memory: 32M/497M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.12.4:test (default-test) on project sws-maven-plugin: There are test failures.
[ERROR]
[ERROR] Please refer to maven-sws-plugin\target\surefire-reports for the individual test results.
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[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
我的pom.xml（我加的proberally不是需要什麼樣的幾件事情，我GOOGLE了很多，現在沒有什麼工作，直到）：
<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>***.maven.plugins</groupId>
<artifactId>sws-maven-plugin</artifactId>
<packaging>jar</packaging>
<version>1.9.2-SNAPSHOT</version>
<name>reminder-maven-plugin Maven Mojo</name>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>***.maven.plugins</groupId>
<artifactId>sws-maven-plugin</artifactId>
<configuration>
</configuration>
<executions>
<execution>
<goals>
<goal>test</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
維護設備：
<?xml version="1.0" encoding="UTF-8"?>
<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>
<groupId>***.maven.plugin.sws</groupId>
<artifactId>sws-maven-plugin</artifactId>
<packaging>maven-plugin</packaging>
<version>1.2.9-SNAPSHOT</version>
<name>Simple Web Share Plugin</name>
<properties>
<project.build.sourceEncoding>Cp1252</project.build.sourceEncoding>
<maven.version>3.5.0-alpha-1</maven.version>
</properties>
<repositories>
<repository>
<id>mavencentral</id>
<name>Maven Central</name>
<url>https://repo1.maven.org/maven2/</url>
<layout>default</layout>
</repository>
</repositories>
<reporting>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-plugin-plugin</artifactId>
<version>3.4</version>
</plugin>
</plugins>
</reporting>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.2</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-plugin-plugin</artifactId>
<version>3.2</version>
<executions>
<execution>
<id>mojo-descriptor</id>
<goals>
<goal>descriptor</goal>
</goals>
</execution>
</executions>
<configuration>
<skipErrorNoDescriptorsFound>true</skipErrorNoDescriptorsFound>
</configuration>
</plugin>
</plugins>
<directory>${project.basedir}/target</directory>
<outputDirectory>${project.build.directory}/classes</outputDirectory>
<finalName>${project.artifactId}-${project.version}</finalName>
<testOutputDirectory>${project.build.directory}/test-classes</testOutputDirectory>
<sourceDirectory>${project.basedir}/src/main/java</sourceDirectory>
<testSourceDirectory>${project.basedir}/src/test/java</testSourceDirectory>
<resources>
<resource>
<directory>${project.basedir}/src/main/resources</directory>
</resource>
</resources>
<testResources>
<testResource>
<directory>${project.basedir}/src/test/resources</directory>
</testResource>
</testResources>
</build>
<dependencies>
<dependency>
<groupId>org.fusesource.fabric</groupId>
<artifactId>fabric-maven-proxy</artifactId>
<version>7.0.1.fuse-084</version>
</dependency>
<dependency>
<groupId>***.webshare</groupId>
<artifactId>simple-web-share-api</artifactId>
<version>0.4</version>
</dependency>
<dependency>
<groupId>org.eclipse.aether</groupId>
<artifactId>aether-api</artifactId>
<version>1.1.0</version>
</dependency>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-plugin-api</artifactId>
<version>${maven.version}</version>
</dependency>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-settings</artifactId>
<version>${maven.version}</version>
</dependency>
<dependency>
<groupId>jdom</groupId>
<artifactId>jdom</artifactId>
<version>1.0</version>
</dependency>
<dependency>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>3.0.0</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.1</version>
</dependency>
<dependency>
<groupId>org.codehaus.plexus</groupId>
<artifactId>plexus-utils</artifactId>
<version>3.0.8</version>
</dependency>
<dependency>
<groupId>org.codehaus.plexus</groupId>
<artifactId>plexus-container-default</artifactId>
<!--<version>1.5.5</version>-->
<version>1.7.1</version>
</dependency>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-artifact</artifactId>
<version>${maven.version}</version>
</dependency>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-compat</artifactId>
<version>3.3.9</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
</dependency>
<dependency>
<groupId>org.apache.maven.plugin-testing</groupId>
<artifactId>maven-plugin-testing-harness</artifactId>
<version>2.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-core</artifactId>
<version>3.5.0-alpha-1</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.maven.plugin-tools</groupId>
<artifactId>maven-plugin-annotations</artifactId>
<version>3.2</version>
<scope>provided</scope>
</dependency>
</dependencies>
</project>
我的測試POM tCase：
package ***.maven.plugins;
import org.apache.maven.plugin.testing.AbstractMojoTestCase;
/**
* Created by casper.hollemans on 20-3-2017.
*/
public class MojoTest extends AbstractMojoTestCase {
public void setUp() throws Exception {
super.setUp();
}
public void tearDown() throws Exception {
super.tearDown();
}
public void testFilePath() throws Exception {
}
}