refactored, pre-buffer reuse

2026-03-15 14:31:52 +01:00
parent f1beb160aa
commit b0d606cb5f
64 changed files with 888 additions and 400 deletions
@@ -0,0 +1,147 @@
+package dev.relism;
+
+import dev.relism.http.ContentType;
+import dev.relism.models.Response;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.nio.charset.StandardCharsets;
+import java.util.concurrent.TimeUnit;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class HttpServerTest {
+
+    private HttpServer server;
+    private int port;
+
+    @BeforeEach
+    void setUp() throws Exception {
+        // Find a free ephemeral port
+        try (ServerSocket s = new ServerSocket(0)) {
+            port = s.getLocalPort();
+        }
+
+        HttpServerConfiguration config = HttpServerConfiguration.builder()
+                .port(port)
+                .host("127.0.0.1")
+                .build();
+
+        server = new HttpServer(config);
+        
+        // Setup some routes
+        server.get("/api/ping", (req, res) -> "pong");
+        
+        server.post("/api/echo", (req, res) -> {
+            byte[] body = req.getBody();
+            return new Response(201, body, ContentType.TEXT_PLAIN); // echo body & change status
+        });
+        
+        server.get("/api/crash", (req, res) -> {
+            throw new RuntimeException("Simulated Crash");
+        });
+
+        server.start().get(5, TimeUnit.SECONDS);
+    }
+
+    @AfterEach
+    void tearDown() {
+        if (server != null) {
+            server.stop();
+        }
+    }
+
+    // --- raw socket helper ---
+
+    private String sendRawRequest(String rawHttp) throws Exception {
+        try (Socket socket = new Socket("127.0.0.1", port);
+             OutputStream out = socket.getOutputStream();
+             InputStream in = socket.getInputStream()) {
+             
+            out.write(rawHttp.getBytes(StandardCharsets.UTF_8));
+            out.flush();
+
+            java.io.ByteArrayOutputStream baos = new java.io.ByteArrayOutputStream();
+            byte[] buffer = new byte[8192];
+            int read;
+            while ((read = in.read(buffer)) != -1) {
+                baos.write(buffer, 0, read);
+            }
+            return baos.toString(StandardCharsets.UTF_8);
+        }
+    }
+
+    // --- E2E Tests ---
+
+    @Test
+    void testGet_pingRoute_returns200AndStringBody() throws Exception {
+        String req = "GET /api/ping HTTP/1.1\r\n" +
+                     "Host: localhost\r\n" +
+                     "\r\n";
+                     
+        String res = sendRawRequest(req);
+        
+        assertTrue(res.startsWith("HTTP/1.1 200 OK"));
+        assertTrue(res.contains("Content-Length: 4")); // "pong"
+        assertTrue(res.endsWith("pong"));
+    }
+
+    @Test
+    void testPost_echoRoute_returns201AndEchoesBody() throws Exception {
+        String body = "Hello, Flash!";
+        String req = "POST /api/echo HTTP/1.1\r\n" +
+                     "Host: localhost\r\n" +
+                     "Content-Length: " + body.length() + "\r\n" +
+                     "\r\n" +
+                     body;
+                     
+        String res = sendRawRequest(req);
+        
+        assertTrue(res.startsWith("HTTP/1.1 201 Created"));
+        assertTrue(res.contains("Content-Length: " + body.length()));
+        assertTrue(res.endsWith(body));
+    }
+
+    @Test
+    void testNotFound_returns404Html() throws Exception {
+        String req = "GET /api/unknown HTTP/1.1\r\n" +
+                     "Host: localhost\r\n" +
+                     "\r\n";
+                     
+        String res = sendRawRequest(req);
+        
+        assertTrue(res.startsWith("HTTP/1.1 404 Not Found"));
+        assertTrue(res.contains("404"));
+        assertTrue(res.contains("No route matched this request"));
+    }
+
+    @Test
+    void testException_returns500Html() throws Exception {
+        String req = "GET /api/crash HTTP/1.1\r\n" +
+                     "Host: localhost\r\n" +
+                     "\r\n";
+                     
+        String res = sendRawRequest(req);
+        
+        assertTrue(res.startsWith("HTTP/1.1 500 Internal Server Error"));
+        assertTrue(res.contains("500"));
+        assertTrue(res.contains("Simulated Crash"));
+    }
+
+    @Test
+    void testRoot_returns404_noExceptionTossed() throws Exception {
+        String req = "GET / HTTP/1.1\r\n" +
+                     "Host: localhost\r\n" +
+                     "\r\n";
+                     
+        String res = sendRawRequest(req);
+        
+        assertTrue(res.startsWith("HTTP/1.1 404 Not Found"));
+        assertTrue(res.contains("No route matched this request."));
+    }
+}