69 lines
2.7 KiB
Python
69 lines
2.7 KiB
Python
"""Byte-for-byte comparison against committed reference output.
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These catch unintended drift in whole-document output, which unit tests on
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individual constructs cannot. When a change is deliberate, regenerate with
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`uv run python tests/regenerate_golden.py` and review the resulting diff.
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"""
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from __future__ import annotations
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from xml.etree import ElementTree
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import pytest
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from conftest import EXAMPLES, GOLDEN, render_file
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from golden_cases import CASES, MULTI_CASES, XHTMLMP_CASES
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REGENERATE_HINT = (
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"Output changed. If that was intended, run "
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"`uv run python tests/regenerate_golden.py` and review the diff."
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)
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@pytest.mark.parametrize("name", sorted(CASES))
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def test_matches_golden(name):
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source, options = CASES[name]
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golden = GOLDEN / f"{name}.wml"
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assert golden.exists(), f"missing golden for '{name}'; {REGENERATE_HINT}"
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actual = render_file(EXAMPLES / source, **options).text
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assert actual == golden.read_text(encoding="utf-8"), REGENERATE_HINT
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@pytest.mark.parametrize("name", sorted(MULTI_CASES))
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def test_matches_golden_directory(name):
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source, options = MULTI_CASES[name]
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directory = GOLDEN / name
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assert directory.is_dir(), f"missing golden dir for '{name}'; {REGENERATE_HINT}"
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documents = {
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doc.name or "index.wml": doc.text
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for doc in render_file(EXAMPLES / source, **options).documents
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}
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expected = {path.name: path.read_text(encoding="utf-8") for path in directory.iterdir()}
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assert sorted(documents) == sorted(expected), REGENERATE_HINT
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for filename, text in documents.items():
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assert text == expected[filename], f"{filename}: {REGENERATE_HINT}"
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@pytest.mark.parametrize("path", sorted(GOLDEN.glob("**/*.wml")), ids=lambda p: p.name)
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def test_golden_files_are_well_formed(path):
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ElementTree.fromstring(path.read_text(encoding="utf-8"))
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@pytest.mark.parametrize("name", sorted(XHTMLMP_CASES))
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def test_matches_golden_xhtmlmp(name):
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source, options = XHTMLMP_CASES[name]
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golden = GOLDEN / f"{name}.xhtml"
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assert golden.exists(), f"missing golden for '{name}'; {REGENERATE_HINT}"
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actual = render_file(EXAMPLES / source, renderer_name="xhtmlmp", **options)
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assert actual == golden.read_text(encoding="utf-8"), REGENERATE_HINT
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@pytest.mark.parametrize("path", sorted(GOLDEN.glob("**/*.xhtml")), ids=lambda p: p.name)
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def test_xhtmlmp_golden_files_are_well_formed(path):
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ElementTree.fromstring(path.read_text(encoding="utf-8"))
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def test_every_example_has_a_case():
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"""A new examples/*.md without a golden case would go unverified."""
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covered = {source for source, _ in list(CASES.values()) + list(MULTI_CASES.values())}
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assert {path.name for path in EXAMPLES.glob("*.md")} == covered
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