fix: make Java test gradle self-contained (#3791)

Fixes #3775 

The gradle tasks call into the `xtask` command, directly from the `test`
task.

---------

Signed-off-by: Andrew Duffy <[email protected]>

Author: a10y

.github/workflows/ci.yml

@@ -345,13 +345,6 @@ jobs:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/cleanup
       - uses: ./.github/actions/setup-rust
-      # Build vortex-jni shared library, and copy into JAR.
-      - name: Build vortex-jni
-        run: |
-          cargo build -p vortex-jni
-          mkdir -p java/vortex-jni/src/main/resources/native/linux-amd64
-          cargo xtask java-test-files
-          cp target/debug/libvortex_jni.so java/vortex-jni/src/main/resources/native/linux-amd64
       - run: ./gradlew test --parallel
         working-directory: ./java
 

java/vortex-jni/build.gradle.kts

@@ -2,7 +2,7 @@
 // SPDX-FileCopyrightText: Copyright the Vortex contributors
 
 import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
-import com.vanniktech.maven.publish.SonatypeHost
+import org.gradle.kotlin.dsl.support.serviceOf
 
 plugins {
     `java-library`
@@ -41,7 +41,7 @@ testing {
 
 mavenPublishing {
     coordinates(groupId = "dev.vortex", artifactId = "vortex-jni", version = "${rootProject.version}")
-    publishToMavenCentral(SonatypeHost.CENTRAL_PORTAL)
+    publishToMavenCentral()
 
     signAllPublications()
 
@@ -109,6 +109,49 @@ tasks.build {
     dependsOn("shadowJar")
 }
 
+tasks.register("makeTestFiles") {
+    description = "Generate files used by unit tests"
+    group = "verification"
+
+    doLast {
+        println("makeTestFiles executed")
+
+        val execOps = serviceOf<ExecOperations>()
+
+        // Build the JNI lib
+
+        execOps.exec {
+            workingDir = rootProject.projectDir.absoluteFile.parentFile
+            executable = "cargo"
+            args("build", "--package", "vortex-jni")
+        }
+
+        copy {
+            from("${rootProject.projectDir.absoluteFile.parentFile}/target/debug/libvortex_jni.so")
+            into("$projectDir/src/main/resources/native/linux-amd64")
+        }
+
+        copy {
+            from("${rootProject.projectDir.absoluteFile.parentFile}/target/debug/libvortex_jni.dylib")
+            into("$projectDir/src/main/resources/native/darwin-aarch64")
+        }
+
+        execOps.exec {
+            workingDir = rootProject.projectDir.absoluteFile.parentFile
+            executable = "cargo"
+            args("xtask", "java-test-files")
+        }
+    }
+}
+
+tasks.named("processResources").configure {
+    dependsOn("makeTestFiles")
+}
+
+tasks.withType<Test>().all {
+    dependsOn("makeTestFiles")
+}
+
 tasks.register("generateJniHeaders") {
     description = "Generates JNI header files for Java classes with native methods"
     group = "build"

java/vortex-spark/build.gradle.kts

@@ -1,8 +1,6 @@
 // SPDX-License-Identifier: Apache-2.0
 // SPDX-FileCopyrightText: Copyright the Vortex contributors
 
-import com.vanniktech.maven.publish.SonatypeHost
-
 apply(plugin = "com.vanniktech.maven.publish")
 
 plugins {
@@ -32,7 +30,7 @@ testing {
 mavenPublishing {
     coordinates(groupId = "dev.vortex", artifactId = "vortex-spark", version = "${rootProject.version}")
 
-    publishToMavenCentral(SonatypeHost.CENTRAL_PORTAL)
+    publishToMavenCentral()
 
     signAllPublications()