test(integration): add NanoDSL LLM integration test suite

Introduce integration tests for NanoDSL generation via LLM, verifying DSL compilation for various user prompts. Update build config to support integrationTest source set and task.

Author: phodal

.github/workflows/build.yml

@@ -88,7 +88,7 @@ jobs:
         id: artifact
         shell: bash
         run: |
-          cd ${{ github.workspace }}/build/distributions
+          cd ${{ github.workspace }}/mpp-idea/build/distributions
           FILENAME=`ls *.zip`
           unzip "$FILENAME" -d content
 
@@ -99,7 +99,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: ${{ steps.artifact.outputs.filename }}
-          path: ./build/distributions/content/*/*
+          path: ./mpp-idea/build/distributions/content/*/*
 
   # Run tests and upload a code coverage report
   test:
@@ -134,21 +134,21 @@ jobs:
 
       # Run tests
       - name: Run Tests
-        run: ./gradlew check
+        run: ./gradlew :mpp-idea:check
 
       # Collect Tests Result of failed tests
       - name: Collect Tests Result
         if: ${{ failure() }}
         uses: actions/upload-artifact@v4
         with:
           name: tests-result
-          path: ${{ github.workspace }}/build/reports/tests
+          path: ${{ github.workspace }}/mpp-idea/build/reports/tests
 
       # Upload the Kover report to CodeCov
       - name: Upload Code Coverage Report
         uses: codecov/codecov-action@v4
         with:
-          files: ${{ github.workspace }}/build/reports/kover/report.xml
+          files: ${{ github.workspace }}/mpp-idea/build/reports/kover/report.xml
 
   # Run plugin structure verification along with IntelliJ Plugin Verifier
   verify:
@@ -198,7 +198,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: pluginVerifier-result
-          path: ${{ github.workspace }}/build/reports/pluginVerifier
+          path: ${{ github.workspace }}/mpp-idea/build/reports/pluginVerifier
 
   # Prepare a draft release for GitHub Releases page for the manual verification
   # If accepted and published, release workflow would be triggered

xuiper-ui/build.gradle.kts

@@ -11,22 +11,44 @@ repositories {
     mavenCentral()
 }
 
+// Configure integration test source set
+sourceSets {
+    create("integrationTest") {
+        kotlin.srcDir("src/integrationTest/kotlin")
+        resources.srcDir("src/integrationTest/resources")
+        compileClasspath += sourceSets.main.get().output + sourceSets.test.get().output
+        runtimeClasspath += sourceSets.main.get().output + sourceSets.test.get().output
+    }
+}
+
+val integrationTestImplementation by configurations.getting {
+    extendsFrom(configurations.testImplementation.get())
+}
+
+val integrationTestRuntimeOnly by configurations.getting {
+    extendsFrom(configurations.testRuntimeOnly.get())
+}
+
 dependencies {
     implementation(project(":mpp-core"))
 
     // Serialization for test case format
     implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.8.0")
-    
+
     // Coroutines
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.8.0")
-    
+
     // Logging
     implementation("io.github.oshai:kotlin-logging-jvm:7.0.0")
     implementation("ch.qos.logback:logback-classic:1.5.6")
-    
+
     // Testing
     testImplementation(kotlin("test"))
     testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.8.0")
+
+    // Integration test dependencies
+    integrationTestImplementation(kotlin("test"))
+    integrationTestImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.8.0")
 }
 
 kotlin {
@@ -37,13 +59,36 @@ tasks.test {
     useJUnitPlatform()
 }
 
+// Integration test task
+tasks.register<Test>("integrationTest") {
+    group = "verification"
+    description = "Run NanoDSL integration tests that call LLM and verify DSL compilation"
+    testClassesDirs = sourceSets["integrationTest"].output.classesDirs
+    classpath = sourceSets["integrationTest"].runtimeClasspath
+    useJUnitPlatform()
+
+    // Pass environment variables for LLM configuration
+    environment("OPENAI_API_KEY", System.getenv("OPENAI_API_KEY") ?: "")
+    environment("ANTHROPIC_API_KEY", System.getenv("ANTHROPIC_API_KEY") ?: "")
+    environment("DEEPSEEK_API_KEY", System.getenv("DEEPSEEK_API_KEY") ?: "")
+
+    // Integration tests may take longer
+    systemProperty("junit.jupiter.execution.timeout.default", "5m")
+
+    // Show output for debugging
+    testLogging {
+        events("passed", "skipped", "failed")
+        showStandardStreams = true
+    }
+}
+
 // Custom task to run DSL evaluation tests
 tasks.register<JavaExec>("runDslEval") {
     group = "verification"
     description = "Run NanoDSL AI evaluation tests"
     mainClass.set("cc.unitmesh.xuiper.eval.DslEvalRunnerKt")
     classpath = sourceSets["main"].runtimeClasspath
-    
+
     // Pass environment variables for LLM configuration
     environment("OPENAI_API_KEY", System.getenv("OPENAI_API_KEY") ?: "")
     environment("ANTHROPIC_API_KEY", System.getenv("ANTHROPIC_API_KEY") ?: "")