如何在Java测试之前让Gradle编译Groovy测试 [英] How to make Gradle compile Groovy tests before Java tests

问题描述

Gradle的Groovy插件声称它支持联合编译，它允许在两个方向上自由组合和匹配Groovy和Java代码，以及依赖项但是，我认为这不适用于测试代码。

我有一个Java'sample'测试 src / test / java ... 它使用位于 src / test / groovy 中的类。

在尝试使用Gradle构建时，出现如下错误：

  SwingJavaFXSampleAppTestInJava.java:23：error：can not find symbol 
 SwingJavaFXSampleAppTest swingJavaFx = new SwingJavaFXSampleAppTest（）; 
  

请注意， SwingJavaFXSampleAppTest 是一个Groovy类，还没有被编译过（在Gradle输出中，我可以看到它在它尝试 compileTestJava 之前没有运行 compileTestGroovy 因为前者取决于后者）。

我可以使用groovy-eclipse插件与Maven一起构建相同的项目。

为什么在Gradle中声称支持以任何顺序编译时不起作用，我该如何让它工作？ 解决方案

正如 Gradle用户指南所述，只有代码已通过到 GroovyCompile 任务是联合编译的。因此，无论是将Java还是Groovy代码放入 src / main / groovy 中，或者重新配置源集：

  sourceSets.main.java.srcDirs = [] 
 sourceSets.main.groovy.srcDirs = [src / main / java，src / main / groovy] 
  

对于测试，将所有出现的 main 替换为 test 。

The Groovy plugin for Gradle claims that it "supports joint compilation, which allows to freely mix and match Groovy and Java code, with dependencies in both directions".

However, I don't think this applies to test code.

I have a Java 'sample' test in src/test/java... which uses a class which is located in src/test/groovy.

When trying to build with Gradle, I get an error like this:

SwingJavaFXSampleAppTestInJava.java:23: error: cannot find symbol
SwingJavaFXSampleAppTest swingJavaFx = new SwingJavaFXSampleAppTest();

Notice that SwingJavaFXSampleAppTest is a Groovy class that has not been compiled yet (in the Gradle output I can see that it did not run the compileTestGroovy before it tried compileTestJava because the former depends on the latter).

I am able to build this same project with Maven using the groovy-eclipse plugin.

Why does it not work in Gradle when it claims to support compilation in any order, and how can I make it work?

解决方案

As explained in the Gradle User Guide, only code passed to GroovyCompile tasks is joint-compiled. So either you put both Java and Groovy code into src/main/groovy, or you reconfigure the source sets:

sourceSets.main.java.srcDirs = []
sourceSets.main.groovy.srcDirs = ["src/main/java", "src/main/groovy"]

For tests, replace all occurrences of main with test.

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