Update unit tests

src/core/collection/album.rs

@@ -54,11 +54,19 @@ impl AlbumDate {
 
 impl From<u32> for AlbumDate {
     fn from(year: u32) -> Self {
-        AlbumDate {
-            year,
-            month: AlbumMonth::default(),
-            day: 0,
-        }
+        AlbumDate::new(year, AlbumMonth::default(), 0)
+    }
+}
+
+impl<M: Into<AlbumMonth>> From<(u32, M)> for AlbumDate {
+    fn from(value: (u32, M)) -> Self {
+        AlbumDate::new(value.0, value.1, 0)
+    }
+}
+
+impl<M: Into<AlbumMonth>> From<(u32, M, u8)> for AlbumDate {
+    fn from(value: (u32, M, u8)) -> Self {
+        AlbumDate::new(value.0, value.1, value.2)
     }
 }
 
@@ -224,6 +232,21 @@ mod tests {
         assert_eq!(<u8 as Into<AlbumMonth>>::into(255), AlbumMonth::None);
     }
 
+    #[test]
+    fn album_date_from() {
+        let date: AlbumDate = 1986.into();
+        assert_eq!(date, AlbumDate::new(1986, AlbumMonth::default(), 0));
+
+        let date: AlbumDate = (1986, 5).into();
+        assert_eq!(date, AlbumDate::new(1986, AlbumMonth::May, 0));
+
+        let date: AlbumDate = (1986, AlbumMonth::June).into();
+        assert_eq!(date, AlbumDate::new(1986, AlbumMonth::June, 0));
+
+        let date: AlbumDate = (1986, 6, 8).into();
+        assert_eq!(date, AlbumDate::new(1986, AlbumMonth::June, 8));
+    }
+
     #[test]
     fn same_date_seq_cmp() {
         let date = AlbumDate::new(2024, 3, 2);

src/core/collection/musicbrainz.rs

@@ -41,14 +41,11 @@ impl MusicBrainz {
             return Err(Self::invalid_url_error(url, mb_type));
         }
 
-        match url.path_segments().and_then(|mut ps| ps.nth(0)) {
-            Some(typ) => {
-                if typ != mb_type {
-                    return Err(Self::invalid_url_error(url, mb_type));
-                }
-            }
-            None => return Err(Self::invalid_url_error(url, mb_type)),
-        };
+        // path_segments only returns an empty iterator if the URL cannot-be-a-base. However, if the
+        // URL cannot-be-a-base then it will fail the check above already as it won't have a domain.
+        if url.path_segments().and_then(|mut ps| ps.nth(0)).unwrap() != mb_type {
+            return Err(Self::invalid_url_error(url, mb_type));
+        }
 
         match url.path_segments().and_then(|mut ps| ps.nth(1)) {
             Some(segment) => Uuid::try_parse(segment)?,
@@ -156,6 +153,15 @@ mod tests {
         assert_eq!(actual_error.to_string(), expected_error.to_string());
     }
 
+    #[test]
+    fn missing_type() {
+        let url = "https://musicbrainz.org";
+        let expected_error = Error::UrlError(format!("invalid artist MusicBrainz URL: {url}/"));
+        let actual_error = MusicBrainz::artist_from_str(url).unwrap_err();
+        assert_eq!(actual_error, expected_error);
+        assert_eq!(actual_error.to_string(), expected_error.to_string());
+    }
+
     #[test]
     fn missing_uuid() {
         let url = "https://musicbrainz.org/artist";