#12 Adding interceptor test

src/main/java/com/josdem/catcher/config/InterceptorFilter.java

@@ -12,9 +12,12 @@
 @Component
 public class InterceptorFilter implements WebFilter {
 
-  @Value("${interceptor.enabled}")
   private boolean interceptorEnabled;
 
+  public InterceptorFilter(@Value("${interceptor.enabled}") boolean interceptorEnabled) {
+    this.interceptorEnabled = interceptorEnabled;
+  }
+
   @Override
   public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) {
     return chain

src/test/java/com/josdem/catcher/config/InterceptorFilterTest.java

@@ -0,0 +1,39 @@
+package com.josdem.catcher.config;
+
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import lombok.extern.slf4j.Slf4j;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestInfo;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+import org.springframework.web.server.ServerWebExchange;
+import org.springframework.web.server.WebFilterChain;
+import reactor.core.publisher.Mono;
+
+@Slf4j
+class InterceptorFilterTest {
+
+  private InterceptorFilter interceptorFilter;
+  @Mock private ServerWebExchange exchange;
+  @Mock private WebFilterChain chain;
+
+  @BeforeEach
+  void setup() {
+    MockitoAnnotations.openMocks(this);
+    interceptorFilter = new InterceptorFilter(false);
+  }
+
+  @Test
+  @DisplayName("it filters messages")
+  void shouldFilterMessages(TestInfo testInfo) {
+    log.info("Running: {}", testInfo.getDisplayName());
+    when(chain.filter(exchange)).thenReturn(Mono.empty());
+    interceptorFilter.filter(exchange, chain);
+    verify(chain, Mockito.times(1)).filter(exchange);
+  }
+}