Make tests build too

projects/neoforge/build.gradle

@@ -37,10 +37,13 @@ sourceSets {
         java {
             srcDirs rootProject.file('src/client/java')
         }
-        compileClasspath += main.compileClasspath
-        compileClasspath += main.output
-        runtimeClasspath += main.runtimeClasspath
-        runtimeClasspath += main.output
+    }
+}
+
+java {
+    registerFeature('client') {
+        usingSourceSet(sourceSets.client)
+        disablePublication()
     }
 }
 
@@ -151,6 +154,8 @@ dependencies {
     // Must be implementation instead of compileOnly so that running dependent projects such as tests will trigger (re)compilation of coremods.
     // (Only needed when compiling through IntelliJ non-delegated builds - otherwise `compileOnly` would work).
     implementation(jarJar(project(":neoforge-coremods")))
+
+    clientImplementation project(path: ":neoforge", configuration: 'runtimeElements')
 }
 
 neoDev {
@@ -401,6 +406,16 @@ configurations {
     }
 }
 
+jar {
+    from sourceSets.client.output
+}
+sourcesJar {
+    from sourceSets.client.allSource
+}
+javadoc {
+    source += sourceSets.client.allSource
+}
+
 processResources {
     inputs.property("version", project.version)
     final version = project.version

testframework/build.gradle

@@ -13,8 +13,7 @@ dependencies {
     // TODO: is this leaking in the POM? (most likely yes)
     // TODO: does this need to be changed back to runtimeDependencies?
     // TODO: should use attributes to resolve the right variant instead of hardcoding
-    compileOnly project(path: ':neoforge', configuration: 'apiElements')
-    runtimeOnly project(path: ':neoforge', configuration: 'runtimeElements')
+    implementation project(path: ':neoforge', configuration: 'clientRuntimeElements')
 
     compileOnly(platform("org.junit:junit-bom:${project.jupiter_api_version}"))
     compileOnly "org.junit.jupiter:junit-jupiter-params"
@@ -23,14 +22,6 @@ dependencies {
     compileOnly "com.google.code.findbugs:jsr305:3.0.2"
 }
 
-sourceSets {
-    main {
-        // TODO: cursed
-        compileClasspath += project(':neoforge').sourceSets.main.compileClasspath
-        runtimeClasspath += project(':neoforge').sourceSets.main.runtimeClasspath
-    }
-}
-
 license {
     header = rootProject.file('codeformat/HEADER.txt')
     include '**/*.java'

tests/build.gradle

@@ -22,7 +22,7 @@ sourceSets {
 }
 
 dependencies {
-    implementation project(path: ':neoforge', configuration: 'runtimeElements')
+    implementation project(path: ':neoforge', configuration: 'clientRuntimeElements')
     implementation(testframeworkProject)
 
     junitImplementation(platform("org.junit:junit-bom:${project.jupiter_api_version}"))