test(transport): exercise trusted local endpoint through HTTP client

Author: loong10k

src/test/java/io/github/easy4j/hermes/security/EndpointPolicyContractTest.java

@@ -1,28 +1,37 @@
 package io.github.easy4j.hermes.security;
 
 import io.github.easy4j.hermes.HermesHttpClientConfig;
+import io.github.easy4j.hermes.api.HermesHttpClient;
 import okhttp3.mockwebserver.MockResponse;
 import okhttp3.mockwebserver.MockWebServer;
 import org.junit.jupiter.api.Test;
 
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
 class EndpointPolicyContractTest {
 
     @Test
     void testEp001S1() throws Exception {
         try (MockWebServer server = new MockWebServer()) {
-            server.enqueue(new MockResponse().setResponseCode(200).setBody("{}"));
+            server.enqueue(new MockResponse()
+                    .setResponseCode(200)
+                    .setHeader("Content-Type", "application/json")
+                    .setBody("{}"));
             server.start();
 
             int allowedPort = server.getPort();
             EndpointPolicy policy = EndpointPolicy.trustedLocal("127.0.0.1", allowedPort);
 
             HermesHttpClientConfig allowed = new HermesHttpClientConfig()
-                    .setEndpointPolicy(policy);
-            assertDoesNotThrow(() -> allowed.setBaseUrl(
-                    "http://127.0.0.1:" + allowedPort));
+                    .setEndpointPolicy(policy)
+                    .setBaseUrl("http://127.0.0.1:" + allowedPort);
+
+            try (HermesHttpClient client = new HermesHttpClient(allowed)) {
+                assertNotNull(client.health());
+                assertNotNull(server.takeRequest());
+            }
 
             HermesHttpClientConfig differentPort = new HermesHttpClientConfig()
                     .setEndpointPolicy(policy);