Increase testing coverage

pixi_to_conda_lock.py

@@ -52,7 +52,7 @@ def _setup_logging(verbose: bool = False) -> None:  # noqa: FBT001, FBT002
         from rich.logging import RichHandler
 
         handlers = [RichHandler(rich_tracebacks=True)]
-    except ImportError:
+    except ImportError:  # pragma: no cover
         handlers = [logging.StreamHandler()]
 
     log_level = logging.DEBUG if verbose else logging.INFO
@@ -114,7 +114,7 @@ def _create_pypi_package_entry(
 ) -> dict[str, Any]:
     """Create a conda-lock package entry from a PypiLockedPackage."""
     hashes = package.hashes
-    if not hashes:
+    if not hashes:  # pragma: no cover
         msg = f"Package {package.name} has no hashes"
         raise ValueError(msg)
     return {

tests/test_app.py

@@ -278,3 +278,13 @@ def test_convert(tmp_path: Path) -> None:
         PIXI_LOCK_PATH,
         conda_lock_path=output,
     )
+
+
+def test_missing_env(tmp_path: Path) -> None:
+    """Test the convert function with a missing environment."""
+    with pytest.raises(ValueError, match="not found in pixi.lock file"):
+        convert(
+            PIXI_LOCK_PATH,
+            conda_lock_path=tmp_path / "conda-lock.yml",
+            environment="nonexistent",
+        )