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kevinveenbirkenbachandClaude Opus 5.5
fd9286b24f
test_no_uncached_file_reads rejects Path.read_text in tests unless the file is written in the test itself. The mermaid script test reads the call log its stubs append to during the run, so that read carries `# nocheck: cache-read`. The mermaid cli test is formatted with ruff. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
63 lines
2.1 KiB
Python
63 lines
2.1 KiB
Python
"""``scripts/lint/mermaid.sh`` renders with the browser install-lint provisioned.
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``make lint`` runs its targets in parallel, so the script must not reach for a
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package manager, and a browser that cannot start must fail the lint once with
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its reason instead of once per Markdown file.
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"""
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from __future__ import annotations
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import os
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import subprocess
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import tempfile
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import unittest
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from pathlib import Path
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from utils.cache.files import PROJECT_ROOT
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SCRIPT = Path(PROJECT_ROOT) / "scripts" / "lint" / "mermaid.sh"
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LIBRARY_ERROR = (
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"chrome-headless-shell: error while loading shared libraries: libnspr4.so"
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)
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RECORDING_STUB = '#!/bin/sh\necho "$(basename "$0")" >> "$STUB_CALLS"\n'
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class TestMermaidLint(unittest.TestCase):
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def test_a_browser_that_cannot_start_fails_before_any_file_renders(self):
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with tempfile.TemporaryDirectory() as tmp:
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bin_dir = Path(tmp)
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calls = bin_dir / "calls"
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calls.touch()
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for name in ("npx", "apt-get"):
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(bin_dir / name).write_text(RECORDING_STUB)
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(bin_dir / "mmdc").write_text(
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f"{RECORDING_STUB}echo '{LIBRARY_ERROR}' >&2\nexit 1\n"
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)
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for stub in bin_dir.iterdir():
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stub.chmod(0o755)
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env = {
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k: v
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for k, v in os.environ.items()
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if not k.startswith("INFINITO_") and k != "BASH_ENV"
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}
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env["PATH"] = f"{bin_dir}{os.pathsep}{env['PATH']}"
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env["STUB_CALLS"] = str(calls)
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proc = subprocess.run(
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["bash", str(SCRIPT)],
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env=env,
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capture_output=True,
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text=True,
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check=False,
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)
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recorded = calls.read_text().split() # nocheck: cache-read stub call log
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self.assertEqual(proc.returncode, 1, proc.stderr)
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self.assertIn("cannot render a minimal diagram", proc.stderr)
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self.assertIn(LIBRARY_ERROR, proc.stderr)
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self.assertNotIn("❌", proc.stdout)
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self.assertEqual(recorded, ["mmdc"])
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if __name__ == "__main__":
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unittest.main()
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