tests: add utils.py tests

tests/test_utils.py

@@ -0,0 +1,33 @@
+import os
+from pathlib import Path
+
+from halig.utils import resolve_path
+
+
+def test_resolve_absolute_path():
+    path = Path("/foo/bar/baz")
+    assert resolve_path(path) == path
+
+
+def test_resolve_user_path():
+    path = Path("~/foo/bar/baz")
+    assert resolve_path(path) == path.expanduser()
+
+
+def test_resolve_path_with_envvars():
+    os.environ["FOO"] = "foo"
+    os.environ["BAR"] = "bar"
+    path = Path("/${FOO}/${BAR}")
+    assert resolve_path(path) == Path("/foo/bar")
+
+
+def test_resolve_relative_path():
+    path = Path("foo/bar/baz")
+    assert resolve_path(path) == path.resolve()
+
+
+def test_resolve_path_all():
+    os.environ["FOO"] = "foo"
+    os.environ["BAR"] = "bar"
+    path = Path("foo/bar/$FOO/../$BAR")
+    assert resolve_path(path) == Path(os.path.expandvars(path)).resolve().expanduser()