Implemented inserting test data and debug interceptors

src/main/java/ru/dragonestia/loadbalancer/config/TestConfig.java

@@ -0,0 +1,33 @@
+package ru.dragonestia.loadbalancer.config;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+import org.springframework.lang.NonNull;
+import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+import ru.dragonestia.loadbalancer.interceptor.DebugInterceptor;
+import ru.dragonestia.loadbalancer.model.Node;
+import ru.dragonestia.loadbalancer.model.type.LoadBalancingMethod;
+import ru.dragonestia.loadbalancer.repository.NodeRepository;
+
+@Profile("test")
+@Configuration
+@RequiredArgsConstructor
+public class TestConfig implements WebMvcConfigurer {
+
+    private final NodeRepository nodeRepository;
+
+    @Override
+    public void addInterceptors(@NonNull InterceptorRegistry registry) {
+        registry.addInterceptor(new DebugInterceptor());
+    }
+
+    @Bean
+    void createNodes() {
+        nodeRepository.createNode(new Node("game-servers", LoadBalancingMethod.ROUND_ROBIN));
+        nodeRepository.createNode(new Node("game-lobbies", LoadBalancingMethod.LEAST_PICKED));
+        nodeRepository.createNode(new Node("hub", LoadBalancingMethod.SEQUENTIAL_FILLING));
+    }
+}

src/main/java/ru/dragonestia/loadbalancer/interceptor/DebugInterceptor.java

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+package ru.dragonestia.loadbalancer.interceptor;
+
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import lombok.extern.log4j.Log4j2;
+import org.springframework.lang.NonNull;
+import org.springframework.web.servlet.HandlerInterceptor;
+
+import java.util.Arrays;
+
+@Log4j2(topic = "DEBUG INTERCEPTOR")
+public class DebugInterceptor implements HandlerInterceptor {
+
+    @Override
+    public boolean preHandle(HttpServletRequest request, @NonNull HttpServletResponse response, @NonNull Object handler) {
+        log.info("[" + request.getMethod() + "] " + request.getRequestURI());
+        var map = request.getParameterMap();
+
+        for (String key : map.keySet()) {
+            log.info("   " + key + ": " + Arrays.toString(map.get(key)));
+        }
+        return true;
+    }
+}