chore: import upstream snapshot with attribution

python/ray/tests/test_path_utils.py

@@ -0,0 +1,36 @@
+import sys
+
+import pytest
+
+import ray._private.path_utils as PathUtils
+
+# NOTE: Since PathUtils is cross-platform, each function _must_
+# have tests for Windows and Posix (Linux/MacOS).
+
+_is_posix = sys.platform in {"linux", "darwin"}
+
+
+@pytest.mark.skipif(_is_posix, reason="Cannot create a Windows Path on POSIX systems.")
+def test_is_path_returns_true_for_windows_path():
+    path_str = "C:\\Some\\Dir"
+    assert PathUtils.is_path(path_str)
+
+
+@pytest.mark.skipif(not _is_posix, reason="Cannot create a POSIX Path on Windows.")
+def test_is_path_returns_true_for_posix_path():
+    path_str = "/home/some/dir"
+    assert PathUtils.is_path(path_str)
+
+
+def test_is_path_returns_false_for_uri():
+    uri_str = "s3://some/remote/file"
+    assert not PathUtils.is_path(uri_str)
+
+
+def test_is_path_raises_error_for_non_string_input():
+    with pytest.raises(TypeError, match="must be a string"):
+        PathUtils.is_path(1)
+
+
+if __name__ == "__main__":
+    sys.exit(pytest.main(["-sv", __file__]))