如何在 Maven 构建过程中调用 ruby 脚本?
编辑2:我发现了问题。快速回答是,我新配置的执行缺少
导致了问题。我将把问题留在这里,以防对其他人有帮助。
我有一个 ruby 脚本,可以生成一些 jUnit 源文件。
我正在尝试使用 exec-maven-plugin 在 默认生命周期。以下是我在 POM 中添加的内容以实现此目的:
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.2</version>
<executions>
<execution>
<phase>generate-sources</phase>
<goals>
<goal>exec</goal>
</goals>
</execution>
</executions>
<configuration>
<executable>ruby</executable>
<workingDirectory>supporting_files/ruby</workingDirectory>
<arguments>
<argument>CreateUnitTests.rb</argument>
</arguments>
</configuration>
</plugin>
当我在 netbeans 中执行“清理并构建主项目”(clean install
)时,这似乎有效,但是当我运行项目(带有属性的process-classes org.codehaus.mojo:exec-maven-plugin:1.1.1:exec
:)
exec.classpathScope=runtime
exec.args=-enableassertions -classpath %classpath org.example.MyProject.App
exec.executable=java
运行失败,因为它尝试使用 (正如我在 POM 中告诉它的那样)。ruby
作为 exec.executable
那么,如何暂时使用 ruby
(在运行 jUnit 测试之前运行 rubysupporting_files/ruby/CreateUnitTests.rb
),但使用 java 否则?
在生成测试源阶段调用脚本的“正确”方法是什么?
编辑:问题似乎不仅仅是更改正在调用的可执行文件...
我编写了一个快速java程序,它只调用ruby解释器,并将其作为命令接收到(ruby文件名)传递line 参数:
import java.io.IOException;
public class RunRuby {
public static void main(String args[]) throws IOException {
Runtime run = Runtime.getRuntime();
run.exec("ruby "+args[0]);
}
}
这使我能够避免更改 POM 中的可执行文件:
<plugin>
<!-- use ruby to generate some jUnit tests -->
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.2</version>
<executions>
<execution>
<phase>generate-test-sources</phase>
<goals>
<goal>exec</goal>
</goals>
</execution>
</executions>
<configuration>
<executable>java</executable>
<workingDirectory>supporting_files/ruby</workingDirectory>
<arguments>
<argument>RunRuby</argument>
<argument>CreateUnitTests.rb</argument>
</arguments>
</configuration>
</plugin>
丑陋,我知道。但无论如何,清理/构建仍然按预期工作,但“运行”仍然失败!错误消息如下:
Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.1.1:exec (default-cli) on project MyProject: Result of cmd.exe /X /C "java -enableassertions -classpath C:\Dropbox\dev\java\MyProject\target\classes;C:\Users\username\.m2\repository\LOTS\OF\JARS org.example.MyProject.App" execution is: '-1'. -> [Help 1]
因此,它返回到运行 java
,但仍然失败。我注意到的一件奇怪的事情是它正在执行目标 org.codehaus.mojo:exec-maven-plugin:1.1.1:exec 尽管在 POM 中我告诉它使用版本1.2
...
edit 2: I found the problem. The quick answer is that the lack of an <id>
for my newly configured execution was causing the problem. I'll leave the question here in case it helps someone else.
I have a ruby script which generates some of my jUnit source files.
I am trying to use the exec-maven-plugin to call this ruby script during the generate-sources phase of the default lifecycle. Here's what I've added to my POM to achieve this:
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.2</version>
<executions>
<execution>
<phase>generate-sources</phase>
<goals>
<goal>exec</goal>
</goals>
</execution>
</executions>
<configuration>
<executable>ruby</executable>
<workingDirectory>supporting_files/ruby</workingDirectory>
<arguments>
<argument>CreateUnitTests.rb</argument>
</arguments>
</configuration>
</plugin>
This seems to be working when I'm doing a "Clean and Build Main Project" in netbeans (clean install
), but when I run the project (process-classes org.codehaus.mojo:exec-maven-plugin:1.1.1:exec
with the properties:)
exec.classpathScope=runtime
exec.args=-enableassertions -classpath %classpath org.example.MyProject.App
exec.executable=java
The run fails, because it tries to use (as I tell it to in the POM).ruby
as the exec.executable
So, how do I use What's the "proper" way to call scripts during the generate-test-sources phase?ruby
temporarily (to run ruby supporting_files/ruby/CreateUnitTests.rb
before running jUnit tests), but use java
otherwise?
edit: the problem seems to be more than just changing which executable is being called...
I wrote a quick java program which just calls the ruby interpreter, passing it (ruby filename) it received as a command line argument:
import java.io.IOException;
public class RunRuby {
public static void main(String args[]) throws IOException {
Runtime run = Runtime.getRuntime();
run.exec("ruby "+args[0]);
}
}
which allowed me to avoid changing the executable in my POM:
<plugin>
<!-- use ruby to generate some jUnit tests -->
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.2</version>
<executions>
<execution>
<phase>generate-test-sources</phase>
<goals>
<goal>exec</goal>
</goals>
</execution>
</executions>
<configuration>
<executable>java</executable>
<workingDirectory>supporting_files/ruby</workingDirectory>
<arguments>
<argument>RunRuby</argument>
<argument>CreateUnitTests.rb</argument>
</arguments>
</configuration>
</plugin>
Ugly, I know. But anyway, a clean/build still works as expected, but the "run" is still failing! Here's the error message:
Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.1.1:exec (default-cli) on project MyProject: Result of cmd.exe /X /C "java -enableassertions -classpath C:\Dropbox\dev\java\MyProject\target\classes;C:\Users\username\.m2\repository\LOTS\OF\JARS org.example.MyProject.App" execution is: '-1'. -> [Help 1]
So, it's back to running java
, but still failing. One odd thing I'm noticing is that it's executing the goal org.codehaus.mojo:exec-maven-plugin:1.1.1:exec
even though in the POM I'm telling it to use version 1.2
...
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缺少
导致我的自定义执行成为默认执行。这是修复方法:The lack of an
<id>
caused my customized execution to become the default. Here's the fix: