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https://github.com/mihakralj/QuanTAlib.git
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30 lines
828 B
Python
30 lines
828 B
Python
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from __future__ import annotations
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from pathlib import Path
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import pytest
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from quantalib._loader import native_library_path
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def test_native_library_path_is_resolvable() -> None:
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path = native_library_path()
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assert isinstance(path, Path)
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def test_loader_fails_with_actionable_message_when_binary_missing(
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monkeypatch,
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) -> None:
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"""Verify a clear OSError when the native binary is missing."""
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import quantalib._loader as loader
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# Point native_library_path to a non-existent file
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fake = Path(__file__).parent / "nonexistent" / "quantalib_native.dll"
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monkeypatch.setattr(loader, "native_library_path", lambda: fake)
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with pytest.raises(OSError) as exc:
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loader.load_native_library()
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msg = str(exc.value).lower()
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assert "native library" in msg
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assert "expected" in msg
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