Add 'exportsTo' configuration option similar to 'opensTo'

[xenoterracide]

java.lang.reflect.InaccessibleObjectException: Unable to make public void org.mockito.moduletest.ModuleHandlingTest.can_define_class_in_open_java_util_module() throws java.lang.Exception accessible: module mockito.module.test.test does not "exports org.mockito.moduletest" to module junit

plugins {
    id 'org.gradlex.java-module-testing' version '1.4'
}

configurations {
    testUtil //TODO move to separate project
    // Putting 'provided' dependencies on test compile and runtime classpath.
    testCompileOnly.extendsFrom(compileOnly)
    testRuntimeOnly.extendsFrom(compileOnly)
}

dependencies {
    // scratching head, api but also optional...
    api libraries.bytebuddy, libraries.bytebuddyagent

    compileOnly libraries.junit4, libraries.hamcrest, libraries.opentest4j
    implementation libraries.objenesis

    testImplementation libraries.assertj
    testImplementation libraries.junitJupiterApi
    testImplementation libraries.junitJupiterParams
}

javaModuleTesting.whitebox(testing.suites["test"]) {
    requires.add("org.junit.jupiter.api")
    requires.add("org.junit.jupiter.params")
    requires.add("org.assertj.core")
    requires.add("java.sql")
    requires.add("java.management")
    // opensTo.add("junit")
}

module org.mockito {
    requires java.instrument;
    requires jdk.attach; // GH #2952
    requires static org.opentest4j;
    requires static net.bytebuddy;
    requires static net.bytebuddy.agent;
    requires static junit;

    opens org.mockito;

    exports org.mockito;
    exports org.mockito.codegen;
    exports org.mockito.configuration;
    exports org.mockito.creation.instance;
    exports org.mockito.exceptions.base;
    exports org.mockito.exceptions.misusing;
    exports org.mockito.exceptions.verification;
    exports org.mockito.exceptions.verification.junit;
    exports org.mockito.exceptions.verification.opentest4j;
    exports org.mockito.hamcrest;
    exports org.mockito.invocation;
    exports org.mockito.junit;
    exports org.mockito.listeners;
    exports org.mockito.mock;
    exports org.mockito.plugins;
    exports org.mockito.quality;
    exports org.mockito.session;
    exports org.mockito.stubbing;
    exports org.mockito.verification;

    // TODO: remove internal exports
    exports org.mockito.internal;
    exports org.mockito.internal.configuration.plugins;
    exports org.mockito.internal.util.reflection;
    exports org.mockito.internal.creation.bytebuddy;
}

https://github.com/xenoterracide/mockito/pull/1/files

[jjohannes]

If this is added, I think this should be inline with the opensTo option:

javaModuleTesting.whitebox(testing.suites["test"]) {
    exportsTo.add("junit") // exports all packages to the 'junit' module
}

Note: I think in the provided example opensTo should also work.

[xenoterracide]

Note: I think in the provided example opensTo should also work.

Not certain, migrating mockito came to a halt. Can't figure out how to do certain things outside of using this plugin.

[jjohannes]

I am adding this in 1.5 for completness.

However, reading up on --add-exports and --add-opens again, my understanding is that opensTo would solve all cases as well. --add-exports is making all public API accessible, --add-opens makes private APIs accessible including all public API. Hence --add-opens does all --add-exports does and more.

[xenoterracide]

could be, spring also has a weird case with its forked cglib where the best solution has seemingly been exports <package> to <spring...something> ... with the alternative being not having some of its features working.

Thanks!