sormuras commented on a change in pull request #13: Emit a warning instead of
throwing an exception
URL:
https://github.com/apache/maven-compiler-plugin/pull/13#discussion_r290896067
##########
File path: src/main/java/org/apache/maven/plugin/compiler/TestCompilerMojo.java
##########
@@ -369,9 +369,11 @@ else if ( Double.valueOf( getTarget() ) < Double.valueOf(
MODULE_INFO_TARGET ) )
// very odd
// Means that main sources must be compiled with -modulesource
and -Xmodule:<moduleName>
// However, this has a huge impact since you can't simply use
it as a classpathEntry
- // due to extra folder in between
- throw new UnsupportedOperationException( "Can't compile test
sources "
- + "when main sources are missing a module descriptor" );
+ // due to extra folder in between ... or the user wants to
test his main code on the
+ // classpath used by a named module ... or ...
+ getLog().warn( "Modular black-box test compilation with no
main module?!" );
+
+ // TODO classpathElements = List.of( mainOutputDirectory );
Review comment:
I already excluded that case from an example project:
https://github.com/micromata/sawdust/blob/master/pom.xml#L15
But, I might have found a valid use-case today: say you want to test an
external module (on the module path) without writing main code on your own.
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