Add tests/test_utils_dotdir.py

tests/test_utils_dotdir.py

@@ -0,0 +1,44 @@
+import pytest
+from pathlib import Path
+import sys
+import os
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
+from slic.utils.dotdir import *
+
+@pytest.fixture
+def patch_home(monkeypatch, tmp_path):
+    # Temporarily replace Path.home() with a temporary directory to avoid modifying the real user home during tests
+    monkeypatch.setattr("pathlib.Path.home", lambda: tmp_path)
+    return tmp_path  # provide tmp_path for use inside tests
+
+# test (__init__)
+def test_dotdir_creation_and_base_exists(patch_home):
+    # Instantiate DotDir with a folder name
+    dotdir = DotDir(".testfolder")
+
+    # Assert that the base path is tmp_path/.testfolder
+    assert dotdir.base == patch_home / ".testfolder"
+
+    # Assert that the directory was physically created on disk
+    assert dotdir.base.exists()
+
+    # Assert that the path is indeed a directory, not a file
+    assert dotdir.base.is_dir()
+
+# test (__repr__)
+def test_dotdir_repr_returns_path_str(patch_home):
+    dotdir = DotDir(".testfolder")
+
+    # Assert that __repr__ returns the string version of the good base path
+    assert repr(dotdir) == str(dotdir.base)
+
+# test (__call__)
+def test_dotdir_call(patch_home):
+    dotdir = DotDir(".testfolder")
+    child_name = "config.yaml"
+
+    # Call the DotDir instance with a filename to get full child path
+    child_path = dotdir(child_name)
+
+    # Assert the returned path matches base path joined with child name
+    assert child_path == dotdir.base / child_name