Initial commit

src/test/java/io/shinhanlife/dap/biz/mcp/toolclient/HttpToolClientTest.java

@@ -0,0 +1,87 @@
+package io.shinhanlife.dap.biz.mcp.toolclient;
+
+import static io.shinhanlife.dap.biz.mcp.TestFixtures.OBJECT_MAPPER;
+import static io.shinhanlife.dap.biz.mcp.TestFixtures.context;
+import static io.shinhanlife.dap.biz.mcp.TestFixtures.properties;
+import static org.assertj.core.api.Assertions.assertThat;
+
+import io.shinhanlife.dap.biz.mcp.toolclient.ToolClient.ToolRequest;
+import io.shinhanlife.dap.biz.mcp.toolclient.ToolClient.ToolResponse;
+
+import java.net.http.HttpClient;
+import java.util.concurrent.TimeUnit;
+
+import okhttp3.mockwebserver.MockResponse;
+import okhttp3.mockwebserver.MockWebServer;
+import okhttp3.mockwebserver.RecordedRequest;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+class HttpToolClientTest {
+
+    private MockWebServer server;
+
+    @BeforeEach
+    void setUp() throws Exception {
+        server = new MockWebServer();
+        server.start();
+    }
+
+    @AfterEach
+    void tearDown() throws Exception {
+        server.shutdown();
+    }
+
+    @Test
+    void postsJsonAndPropagatesCorrelationHeadersWithoutAuthorization() throws Exception {
+        server.enqueue(
+                new MockResponse()
+                        .setHeader("Content-Type", "application/json")
+                        .setBody("{\"customerName\":\"홍길동\"}"));
+        HttpToolClient client =
+                new HttpToolClient(OBJECT_MAPPER, properties(false, false), HttpClient.newHttpClient());
+        ToolRequest request =
+                new ToolRequest(
+                        "customer.search",
+                        "1.0.0",
+                        server.url("/api/v1/search").toString(),
+                        OBJECT_MAPPER.readTree("{\"customerNo\":\"1234567890\"}"),
+                        3_000);
+
+        ToolResponse response = client.execute(request, context());
+
+        assertThat(response.data().path("customerName").asString()).isEqualTo("홍길동");
+        RecordedRequest recorded = server.takeRequest(1, TimeUnit.SECONDS);
+        assertThat(recorded).isNotNull();
+        assertThat(recorded.getMethod()).isEqualTo("POST");
+        // 다섯 헤더 모두 이름·값을 바꾸지 않고 그대로 bypass한다.
+        assertThat(recorded.getHeader("guid")).isEqualTo("guid-1");
+        assertThat(recorded.getHeader("x-request-id")).isEqualTo("req-1");
+        assertThat(recorded.getHeader("mcp-session-id")).isEqualTo("session-1");
+        assertThat(recorded.getHeader("employee-no")).isEqualTo("ENC(employee-1)");
+        assertThat(recorded.getHeader("virtual-employee-no")).isEqualTo("ENC(virtual-1)");
+        assertThat(recorded.getHeader("x-trace-id")).isNull();
+        assertThat(recorded.getHeader("Authorization")).isNull();
+        assertThat(recorded.getBody().readUtf8()).contains("1234567890");
+    }
+
+    @Test
+    void preservesPlainTextToolResponseAsTextNode() throws Exception {
+        server.enqueue(new MockResponse().setHeader("Content-Type", "text/plain").setBody("123"));
+        HttpToolClient client =
+                new HttpToolClient(OBJECT_MAPPER, properties(false, false), HttpClient.newHttpClient());
+        ToolRequest request =
+                new ToolRequest(
+                        "processing",
+                        "config",
+                        server.url("/mcp/v1/api/processing").toString(),
+                        OBJECT_MAPPER.readTree("{\"query\":\"test\"}"),
+                        3_000);
+
+        ToolResponse response = client.execute(request, context());
+
+        assertThat(response.data().isString()).isTrue();
+        assertThat(response.data().asString()).isEqualTo("123");
+    }
+}