added test for explicit tool wiring

Author: LangChain4j

langchain4j-spring-boot-starter/src/test/java/dev/langchain4j/service/spring/mode/explicit/tools/AiServiceWithExplicitTools.java

@@ -0,0 +1,11 @@
+package dev.langchain4j.service.spring.mode.explicit.tools;
+
+import dev.langchain4j.service.spring.AiService;
+
+import static dev.langchain4j.service.spring.AiServiceWiringMode.EXPLICIT;
+
+@AiService(wiringMode = EXPLICIT, chatModel = "openAiChatModel", tools = {"tools1"})
+public interface AiServiceWithExplicitTools {
+
+    String chat(String userMessage);
+}

langchain4j-spring-boot-starter/src/test/java/dev/langchain4j/service/spring/mode/explicit/tools/AiServiceWithExplicitToolsApplication.java

@@ -0,0 +1,12 @@
+package dev.langchain4j.service.spring.mode.explicit.tools;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+class AiServiceWithExplicitToolsApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(AiServiceWithExplicitToolsApplication.class, args);
+    }
+}

langchain4j-spring-boot-starter/src/test/java/dev/langchain4j/service/spring/mode/explicit/tools/AiServiceWithExplicitToolsIT.java

@@ -0,0 +1,36 @@
+package dev.langchain4j.service.spring.mode.explicit.tools;
+
+import dev.langchain4j.service.spring.AiServicesAutoConfig;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.autoconfigure.AutoConfigurations;
+import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+
+import static dev.langchain4j.service.spring.mode.explicit.tools.Tools1.TOOL_1_TEMPERATURE;
+import static dev.langchain4j.service.spring.mode.explicit.tools.Tools2.TOOL_2_TEMPERATURE;
+import static org.assertj.core.api.Assertions.assertThat;
+
+class AiServiceWithExplicitToolsIT {
+
+    ApplicationContextRunner contextRunner = new ApplicationContextRunner().withConfiguration(AutoConfigurations.of(AiServicesAutoConfig.class));
+
+    @Test
+    void should_create_AI_service_with_explicit_tools() {
+        contextRunner
+                .withPropertyValues(
+                        "langchain4j.open-ai.chat-model.api-key=" + System.getenv("OPENAI_API_KEY"),
+                        "langchain4j.open-ai.chat-model.max-tokens=100",
+                        "langchain4j.open-ai.chat-model.temperature=0.0")
+                .withUserConfiguration(AiServiceWithExplicitToolsApplication.class)
+                .run(context -> {
+
+                    // given
+                    AiServiceWithExplicitTools aiService = context.getBean(AiServiceWithExplicitTools.class);
+
+                    // when
+                    String answer = aiService.chat("What is the temperature?");
+
+                    // then
+                    assertThat(answer).contains(TOOL_1_TEMPERATURE).doesNotContain(TOOL_2_TEMPERATURE);
+                });
+    }
+}

langchain4j-spring-boot-starter/src/test/java/dev/langchain4j/service/spring/mode/explicit/tools/Tools1.java

@@ -0,0 +1,15 @@
+package dev.langchain4j.service.spring.mode.explicit.tools;
+
+import dev.langchain4j.agent.tool.Tool;
+import org.springframework.stereotype.Component;
+
+@Component
+class Tools1 {
+
+    public static final String TOOL_1_TEMPERATURE = "6";
+
+    @Tool
+    String getCurrentTemperature() {
+        return TOOL_1_TEMPERATURE;
+    }
+}

langchain4j-spring-boot-starter/src/test/java/dev/langchain4j/service/spring/mode/explicit/tools/Tools2.java

@@ -0,0 +1,15 @@
+package dev.langchain4j.service.spring.mode.explicit.tools;
+
+import dev.langchain4j.agent.tool.Tool;
+import org.springframework.stereotype.Component;
+
+@Component
+class Tools2 {
+
+    public static final String TOOL_2_TEMPERATURE = "9";
+
+    @Tool
+    String getCurrentTemperature() {
+        return TOOL_2_TEMPERATURE;
+    }
+}