test: add tests for Application class

Need more attention here. Very difficult to test the keyboard interaction with questionary. Going to try using pexpect soon to hopefully add better coverage.

src/obsidian_metadata/_utils/utilities.py

@@ -132,7 +132,7 @@ def clean_dictionary(dictionary: dict[str, Any]) -> dict[str, Any]:
     return new_dict
 
 
-def clear_screen() -> None:
+def clear_screen() -> None:  # pragma: no cover
     """Clears the screen."""
     # for windows
     _ = system("cls") if name == "nt" else system("clear")

src/obsidian_metadata/models/application.py

@@ -34,8 +34,6 @@ class Application:
             ]
         )
 
-        clear_screen()
-
     def load_vault(self, path_filter: str = None) -> None:
         """Load the vault.
 
@@ -47,6 +45,7 @@ class Application:
 
     def main_app(self) -> None:  # noqa: C901
         """Questions for the main application."""
+        clear_screen()
         self.load_vault()
 
         while True:

src/obsidian_metadata/models/vault.py

@@ -53,7 +53,7 @@ class Vault:
                 self.metadata.add_metadata(_note.inline_metadata.dict)
                 self.metadata.add_metadata({_note.inline_tags.metadata_key: _note.inline_tags.list})
 
-    def __rich_repr__(self) -> rich.repr.Result:
+    def __rich_repr__(self) -> rich.repr.Result:  # pragma: no cover
         """Define rich representation of Vault."""
         yield "vault_path", self.vault_path
         yield "dry_run", self.dry_run