refactor: refactor pybmap test

Assets/BMapBindings/pybmap/tests/cli.py

@@ -0,0 +1,40 @@
+import os
+from pathlib import Path
+
+class CliException(Exception):
+    """Error occurs when parsing test arguments."""
+    pass
+
+class Cli:
+    
+    file_name: Path
+    """
+    The path to the map for loading.
+    """
+    ballance_dir: Path
+    """
+    The path to the Ballance directory for finding textures
+    """
+    encodings: tuple[str, ...]
+    """
+    The name of encodings used by BMap for loading map.
+    """
+
+    def __init__(self) -> None:
+        file_name = os.environ.get('BMAP_FILE_NAME', None)
+        if file_name is None:
+            raise CliException('You must specify BMAP_FILE_NAME environment variable before running this test.')
+        else:
+            self.file_name = Path(file_name).resolve()
+
+        ballance_dir = os.environ.get('BMAP_BALLANCE_DIR', None)
+        if ballance_dir is None:
+            raise CliException('You must specify BMAP_BALLANCE_DIR environment variable before running this test.')
+        else:
+            self.ballance_dir = Path(ballance_dir).resolve()
+
+        encodings = os.environ.get('BMAP_ENCODINGS', None)
+        if encodings is None:
+            raise CliException('You must specify BMAP_ENCODINGS environment variable before running this test.')
+        else:
+            self.encodings = tuple(encodings.split(','))