fix: AiCoreService NoClassDefFound Error

Author: MatKuhr

core/src/main/java/com/sap/ai/sdk/core/AiCoreService.java

@@ -20,6 +20,8 @@
 import java.util.function.BiFunction;
 import java.util.function.Function;
 import javax.annotation.Nonnull;
+
+import io.github.cdimascio.dotenv.DotenvBuilder;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import lombok.val;
@@ -34,16 +36,14 @@
 @RequiredArgsConstructor
 public class AiCoreService implements AiCoreDestination {
 
+  private static final String AI_RESOURCE_GROUP = "URL.headers.AI-Resource-Group";
+  private static final DeploymentCache DEPLOYMENT_CACHE = new DeploymentCache();
+  private static final DotenvBuilder DOT_ENV = Dotenv.configure().ignoreIfMissing();
+
   Function<AiCoreService, Destination> baseDestinationHandler;
   final BiFunction<AiCoreService, Destination, ApiClient> clientHandler;
   final BiFunction<AiCoreService, Destination, DefaultHttpDestination.Builder> builderHandler;
 
-  private static final DeploymentCache DEPLOYMENT_CACHE = new DeploymentCache();
-
-  private static final String AI_RESOURCE_GROUP = "URL.headers.AI-Resource-Group";
-
-  /** loads the .env file from the root of the project */
-  private static final Dotenv DOTENV = Dotenv.configure().ignoreIfMissing().load();
 
   /** The resource group is defined by AiCoreDeployment.withResourceGroup(). */
   @Nonnull String resourceGroup;
@@ -163,7 +163,7 @@ public AiCoreDeployment forDeploymentByScenario(@Nonnull final String scenarioId
   @Nonnull
   protected Destination getBaseDestination()
       throws DestinationAccessException, DestinationNotFoundException {
-    val serviceKey = DOTENV.get("AICORE_SERVICE_KEY");
+    val serviceKey = DOT_ENV.load().get("AICORE_SERVICE_KEY");
     return DestinationResolver.getDestination(serviceKey);
   }
 

core/src/test/java/com/sap/ai/sdk/core/DestinationResolverTest.java

@@ -8,18 +8,16 @@
 import lombok.val;
 import org.junit.jupiter.api.Test;
 
-public class DestinationResolverTest {
+class DestinationResolverTest {
 
   @Test
-  @SneakyThrows
   void getDestinationWithoutEnvVarFailsLocally() {
     assertThatThrownBy(() -> DestinationResolver.getDestination(null))
         .isExactlyInstanceOf(DestinationAccessException.class)
         .hasMessage("Could not find any matching service bindings for service identifier 'aicore'");
   }
 
   @Test
-  @SneakyThrows
   void getDestinationWithBrokenEnvVarFailsLocally() {
     assertThatThrownBy(() -> DestinationResolver.getDestination(""))
         .isExactlyInstanceOf(DestinationResolver.AiCoreCredentialsInvalidException.class)
@@ -28,9 +26,8 @@ void getDestinationWithBrokenEnvVarFailsLocally() {
   }
 
   @Test
-  @SneakyThrows
   void getDestinationWithEnvVarSucceedsLocally() {
-    val AICORE_SERVICE_KEY =
+    val serviceKey =
         """
         {
           "clientid": "",
@@ -44,7 +41,7 @@ void getDestinationWithEnvVarSucceedsLocally() {
           }
         }
         """;
-    var result = DestinationResolver.getDestination(AICORE_SERVICE_KEY).asHttp();
+    var result = DestinationResolver.getDestination(serviceKey).asHttp();
     assertThat(result.getUri()).hasToString("https://api.ai.core");
   }
 }