refactor(Track): Return new path on move(), raise exceptions on errors

devine/core/tracks/track.py

@@ -307,33 +307,36 @@ class Track:
 
         self.path = output_path
 
-    def move(self, target: Union[Path, str]) -> bool:
+    def move(self, target: Union[Path, str]) -> Path:
         """
         Move the Track's file from current location, to target location.
         This will overwrite anything at the target path.
 
         Raises:
             TypeError: If the target argument is not the expected type.
+            ValueError: If track has no file to move, or the target does not exist.
+            OSError: If the file somehow failed to move.
 
-        Returns True if the move succeeded, or False if there was no file to move, or
-        the file failed to move.
+        Returns the new location of the track.
         """
         if not isinstance(target, (str, Path)):
             raise TypeError(f"Expected {target} to be a {Path} or {str}, not {type(target)}")
 
         if not self.path:
-            return False
+            raise ValueError("Track has no file to move")
 
         if not isinstance(target, Path):
             target = Path(target)
 
+        if not target.exists():
+            raise ValueError(f"Target file {repr(target)} does not exist")
+
         moved_to = Path(shutil.move(self.path, target))
-        success = moved_to.resolve() == target.resolve()
+        if moved_to.resolve() != target.resolve():
+            raise OSError(f"Failed to move {self.path} to {target}")
 
-        if success:
-            self.path = target
-
-        return success
+        self.path = target
+        return target
 
 
 __all__ = ("Track",)