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25 lines
963 B
Python
25 lines
963 B
Python
"""Anonymous Rust constants must not replace their owning file node."""
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from graphify.build import build_from_json
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from graphify.extract import extract
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def test_anonymous_constants_preserve_file_identity(tmp_path):
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source = tmp_path / "codec.rs"
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source.write_text(
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"pub const WIDTH: usize = 8;\n"
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"const _: () = assert!(WIDTH == 8);\n"
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"const _: () = ();\n"
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"static READY: bool = true;\n"
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"pub fn encode() {}\n",
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encoding="utf-8",
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)
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extracted = extract([source], root=tmp_path, cache_root=tmp_path / "cache")
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graph = build_from_json(extracted, root=tmp_path, directed=False)
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assert len({node["id"] for node in extracted["nodes"]}) == len(extracted["nodes"])
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labels = {data["label"] for _, data in graph.nodes(data=True)}
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assert {"codec.rs", "WIDTH", "READY", "encode()"} <= labels
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assert "_" not in labels
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assert all(source != target for source, target in graph.edges())
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