torrent: add torrent parsing test

src/torrent.rs

@@ -42,3 +42,32 @@ pub fn parse(torrent: &mut BufRead) -> Result<Torrent, Error> {
 
     Ok(parsed)
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use std::fs::File;
+    use std::io::BufReader;
+
+    #[test]
+
+    fn parse_string_torrent() {
+        let file = File::open("tests/test.torrent").unwrap();
+
+        let torrent = parse(&mut BufReader::new(file)).unwrap();
+        assert_eq!(torrent.announce, "http://nyaa.tracker.wf:7777/announce");
+        assert!(torrent.announce_list.is_some());
+        assert_eq!(torrent.creation_date, 1276147560);
+
+        assert_eq!(torrent.info.name, "[CrunchyRip]_heroman_heroman_pv.ass");
+        assert_eq!(
+            torrent.info.pieces,
+            [
+                179, 44, 185, 20, 5, 96, 4, 178, 51, 254, 139, 204, 87, 213, 125, 68, 213, 108, 85,
+                199
+            ],
+        );
+        assert_eq!(torrent.info.piece_length, 262144);
+        assert_eq!(torrent.info.length.unwrap(), 2084);
+    }
+}

tests/test.torrent

@@ -0,0 +1 @@
+d8:announce36:http://nyaa.tracker.wf:7777/announce13:announce-listll36:http://nyaa.tracker.wf:7777/announceel44:udp://tracker.openbittorrent.com:80/announceel43:http://open.nyaatorrents.info:6544/announceel33:udp://open.stealth.si:80/announceel42:udp://tracker.opentrackr.org:1337/announceel43:udp://tracker.coppersurfer.tk:6969/announceel37:udp://exodus.desync.com:6969/announceee7:comment27:https://nyaa.si/view/13637810:created by6:NyaaV213:creation datei1276147560e8:encoding5:UTF-84:infod6:lengthi2084e4:name35:[CrunchyRip]_heroman_heroman_pv.ass12:piece lengthi262144e6:pieces20:�,�`�3���W�}D�lU�ee