79 lines
2.8 KiB
Python
79 lines
2.8 KiB
Python
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"""Tests for Frontmatter parser — TOML frontmatter parsing and serialisation."""
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from __future__ import annotations
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from volumen.frontmatter import dump, parse
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class TestParse:
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def test_parse_extracts_metadata_and_body(self) -> None:
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content = '+++\ntitle = "Hello"\ntags = ["a", "b"]\n+++\n\nBody text.\n'
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metadata, body = parse(content)
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assert metadata["title"] == "Hello"
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assert metadata["tags"] == ["a", "b"]
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assert body == "Body text.\n"
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def test_parse_without_frontmatter(self) -> None:
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metadata, body = parse("# Just markdown\n")
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assert metadata == {}
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assert body == "# Just markdown\n"
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def test_parse_without_closing_delimiter(self) -> None:
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content = '+++\ntitle = "x"\n\nbody'
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metadata, body = parse(content)
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assert metadata == {}
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assert body == content
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def test_parse_empty_frontmatter(self) -> None:
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content = "+++\n+++\n\nBody here.\n"
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metadata, body = parse(content)
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assert metadata == {}
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assert body == "Body here.\n"
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def test_parse_draft_false(self) -> None:
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content = '+++\ntitle = "X"\ndraft = false\n+++\n\nBody\n'
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metadata, body = parse(content)
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assert metadata["draft"] is False
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def test_parse_nested_tables(self) -> None:
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content = '+++\n[meta]\ntitle = "X"\n+++\n\nBody\n'
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metadata, body = parse(content)
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assert metadata["meta"]["title"] == "X"
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def test_parse_normalises_crlf(self) -> None:
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metadata, body = parse('+++\r\ntitle = "x"\r\n+++\r\n\r\nBody\r\n')
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assert metadata["title"] == "x"
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assert body == "Body\n"
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class TestDump:
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def test_dump_produces_valid_frontmatter(self) -> None:
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result = dump({"title": "Hello", "tags": ["a"]}, "Body text.\n")
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assert result.startswith("+++\n")
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assert "+++\n\n" in result
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assert "Body text." in result
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def test_dump_empty_metadata(self) -> None:
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result = dump({}, "Just body.\n")
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assert "+++" in result
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assert "Just body." in result
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def test_round_trip(self) -> None:
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metadata = {"title": "Hello", "tags": ["intro"], "draft": False}
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dumped = dump(metadata, "Hello **world**.")
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parsed_meta, parsed_body = parse(dumped)
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assert parsed_meta == metadata
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assert parsed_body.strip() == "Hello **world**."
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def test_round_trip_with_empty_metadata(self) -> None:
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dumped = dump({}, "Just body.\n")
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parsed_meta, parsed_body = parse(dumped)
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assert parsed_meta == {}
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assert parsed_body.strip() == "Just body."
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def test_round_trip_preserves_dates(self) -> None:
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metadata = {"title": "X", "date": "2026-01-15"}
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dumped = dump(metadata, "Body\n")
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parsed_meta, _ = parse(dumped)
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assert parsed_meta["date"] == "2026-01-15"
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