aedc6ccc3a
Change-detectors, tautologies, source-reading tests, redundant duplicates, mock-echo tests and dead/unrunnable tests. Per-test rationale in the lane ledger (category + reason for every removal).
77 lines
2.7 KiB
Python
77 lines
2.7 KiB
Python
"""Tests for scripts/ci/lockfile_diff.py.
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The differ's job is semantic comparison: reordering and integrity-hash
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churn in the lockfile text must produce an empty diff, while actual
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version movement must show up as added/removed/updated regardless of
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where in the file it appears.
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"""
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from __future__ import annotations
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import importlib.util
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import json
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from pathlib import Path
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_PATH = Path(__file__).resolve().parents[2] / "scripts" / "ci" / "lockfile_diff.py"
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_spec = importlib.util.spec_from_file_location("lockfile_diff", _PATH)
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if _spec is None or _spec.loader is None:
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raise ImportError("Failed to load lockfile_diff.py")
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_mod = importlib.util.module_from_spec(_spec)
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_spec.loader.exec_module(_mod)
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def _lock(packages: dict[str, dict]) -> str:
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return json.dumps(
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{
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"name": "hermes",
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"lockfileVersion": 3,
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"packages": {"": {"name": "hermes"}, **packages},
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}
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)
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BASE = _lock(
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{
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"node_modules/react": {"version": "18.2.0", "integrity": "sha512-aaa"},
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"node_modules/left-pad": {"version": "1.3.0", "integrity": "sha512-bbb"},
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"node_modules/foo/node_modules/react": {"version": "17.0.2"},
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}
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)
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def test_add_remove_update_all_detected():
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head = _lock(
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{
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"node_modules/react": {"version": "18.3.1"}, # updated
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"node_modules/is-even": {"version": "1.0.0"}, # added
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"node_modules/foo/node_modules/react": {"version": "17.0.2"}, # unchanged
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# left-pad removed
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}
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)
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d = _mod.diff_locks(_mod.parse_lockfile(BASE), _mod.parse_lockfile(head))
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assert d["added"] == [("node_modules/is-even", "1.0.0")]
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assert d["removed"] == [("node_modules/left-pad", "1.3.0")]
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assert d["updated"] == [("node_modules/react", "18.2.0", "18.3.1")]
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def test_nested_dedup_is_distinct_entry():
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# The same package at two nesting levels must be tracked separately —
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# bumping only the nested copy must not look like a top-level change.
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head = _lock(
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{
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"node_modules/react": {"version": "18.2.0"},
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"node_modules/left-pad": {"version": "1.3.0"},
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"node_modules/foo/node_modules/react": {"version": "17.0.3"},
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}
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)
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d = _mod.diff_locks(_mod.parse_lockfile(BASE), _mod.parse_lockfile(head))
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assert d["updated"] == [("node_modules/foo/node_modules/react", "17.0.2", "17.0.3")]
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def test_render_markdown_omits_unchanged_lockfiles():
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changed = _mod.diff_locks({}, {"node_modules/x": "1.0.0"})
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unchanged = _mod.diff_locks({}, {})
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md = _mod.render_markdown({"a/package-lock.json": changed, "b/package-lock.json": unchanged})
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assert "a/package-lock.json" in md
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assert "b/package-lock.json" not in md
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