implement titan test

tests/integration.rs

@@ -9,10 +9,36 @@ fn client_connection_request_gemini() {
     assert_eq!(
         &match Request::gemini(Uri::parse(REQUEST, UriFlags::NONE).unwrap()) {
             Request::Gemini(request) => request.uri.to_string(),
-            Request::Titan(_) => panic!(),
+            _ => panic!(),
         },
         REQUEST
     );
 }
 
+#[test]
+fn client_connection_request_titan() {
+    const DATA: &[u8] = &[1, 2, 3];
+    const MIME: &str = "plain/text";
+    const TOKEN: &str = "token";
+    const ARGUMENT: &str = "argument";
+    const REQUEST: &str = "titan://geminiprotocol.net/raw/Test";
+    assert_eq!(
+        std::str::from_utf8(
+            &Request::titan(
+                Uri::parse(&format!("{REQUEST}?arg={ARGUMENT}"), UriFlags::NONE).unwrap(),
+                DATA.to_vec(),
+                Some(MIME.to_string()),
+                Some(TOKEN.to_string()),
+            )
+            .to_bytes()
+        )
+        .unwrap(),
+        format!(
+            "{REQUEST};size={};mime={MIME};token={TOKEN}?arg={ARGUMENT}\r\n{}",
+            DATA.len(),
+            std::str::from_utf8(DATA).unwrap(),
+        )
+    );
+}
+
 // @TODO