Guard GoogleGenAiEmbeddingConnectionAutoConfiguration with the model enablement property

auto-configurations/models/spring-ai-autoconfigure-model-google-genai/src/main/java/org/springframework/ai/model/google/genai/autoconfigure/embedding/GoogleGenAiEmbeddingConnectionAutoConfiguration.java

@@ -22,9 +22,12 @@
 import com.google.genai.Client;
 
 import org.springframework.ai.google.genai.embedding.GoogleGenAiEmbeddingConnectionDetails;
+import org.springframework.ai.model.SpringAIModelProperties;
+import org.springframework.ai.model.SpringAIModels;
 import org.springframework.boot.autoconfigure.AutoConfiguration;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.util.Assert;
@@ -40,6 +43,8 @@
  */
 @AutoConfiguration
 @ConditionalOnClass({ Client.class, GoogleGenAiEmbeddingConnectionDetails.class })
+@ConditionalOnProperty(name = SpringAIModelProperties.TEXT_EMBEDDING_MODEL, havingValue = SpringAIModels.GOOGLE_GEN_AI,
+		matchIfMissing = true)
 @EnableConfigurationProperties(GoogleGenAiEmbeddingConnectionProperties.class)
 public class GoogleGenAiEmbeddingConnectionAutoConfiguration {
 

auto-configurations/models/spring-ai-autoconfigure-model-google-genai/src/test/java/org/springframework/ai/model/google/genai/autoconfigure/embedding/GoogleGenAiEmbeddingConnectionAutoConfigurationTests.java

@@ -0,0 +1,77 @@
+/*
+ * Copyright 2023-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.ai.model.google.genai.autoconfigure.embedding;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.ai.google.genai.embedding.GoogleGenAiEmbeddingConnectionDetails;
+import org.springframework.boot.autoconfigure.AutoConfigurations;
+import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Unit tests for {@link GoogleGenAiEmbeddingConnectionAutoConfiguration}.
+ *
+ * @author Hoyong Eom
+ */
+class GoogleGenAiEmbeddingConnectionAutoConfigurationTests {
+
+	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
+		.withConfiguration(AutoConfigurations.of(GoogleGenAiEmbeddingConnectionAutoConfiguration.class));
+
+	@Test
+	void connectionDetailsCreatedWhenTextEmbeddingModelIsGoogleGenAi() {
+		this.contextRunner
+			.withPropertyValues("spring.ai.google.genai.embedding.api-key=test-key",
+					"spring.ai.model.embedding.text=google-genai")
+			.run(context -> assertThat(context).hasSingleBean(GoogleGenAiEmbeddingConnectionDetails.class));
+	}
+
+	@Test
+	void connectionDetailsCreatedByDefault() {
+		this.contextRunner.withPropertyValues("spring.ai.google.genai.embedding.api-key=test-key")
+			.run(context -> assertThat(context).hasSingleBean(GoogleGenAiEmbeddingConnectionDetails.class));
+	}
+
+	@Test
+	void connectionDetailsNotCreatedWhenTextEmbeddingModelIsNone() {
+		this.contextRunner.withPropertyValues("spring.ai.model.embedding.text=none")
+			.run(context -> assertThat(context).doesNotHaveBean(GoogleGenAiEmbeddingConnectionDetails.class));
+	}
+
+	@Test
+	void connectionDetailsNotCreatedWhenAnotherTextEmbeddingModelIsSelected() {
+		this.contextRunner.withPropertyValues("spring.ai.model.embedding.text=openai")
+			.run(context -> assertThat(context).doesNotHaveBean(GoogleGenAiEmbeddingConnectionDetails.class));
+	}
+
+	/**
+	 * Without the property condition the auto-configuration runs unconditionally, and the
+	 * unconfigured connection falls back to Vertex AI mode, failing the context with
+	 * "Google GenAI project-id must be set!". Applications that do not use Google GenAI
+	 * embeddings must still start.
+	 */
+	@Test
+	void contextStartsWhenNothingIsConfiguredAndAnotherModelIsSelected() {
+		this.contextRunner.withPropertyValues("spring.ai.model.embedding.text=none").run(context -> {
+			assertThat(context).hasNotFailed();
+			assertThat(context).doesNotHaveBean(GoogleGenAiEmbeddingConnectionDetails.class);
+		});
+	}
+
+}