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FabledScribe/tests/test_services_canonical_systems.py
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feat(systems): the area vocabulary becomes a global table so a rule can point at one (#3027, milestone 307 step 1)
The eight standard area names already existed — as STANDARD_SYSTEMS, a tuple in
services/systems.py that milestone 297 seeds at inception. A constant cannot be
a foreign key, so nothing outside a project could reference an area: systems.
project_id is NOT NULL, and a rule that spans projects would have to chain
itself to one project's row. And because the list only ever applied on the
inception-seed path, three spellings of one area reached this instance anyway
(CI & runners / CI and Release / CI & release).

- canonical_systems: global, no user_id — a shared project inherits the
  vocabulary instead of re-earning it. Migration 0087 seeds the same eight.
- systems.canonical_id: nullable, SET NULL. Association only — no System is
  renamed and record_systems is untouched, so no record's tags move.
- canonical_slug folds &/and, case and punctuation, so spelling variants map
  mechanically and a real difference ("CI & runners") becomes a proposal a
  human confirms. propose_mappings reports; set_system_canonical is the only
  writer.
- seed_standard_systems now reads the catalog and maps as it mints, so a
  project born standard never needs a reconciliation pass.
- Catalog writes are admin-only; reads are open — a global list anyone can
  extend stops being shared.
- backup: carried by SLUG, not id (ids are per-install). Restore reuses the
  target's own rows and only creates entries an admin added on the source; an
  unknown slug restores unmapped rather than failing.

Rule 22: STANDARD_SYSTEMS is removed, not deprecated. Rule 115: nothing seeded
names an app, repo or house convention. Design in note 3026.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-26 12:31:18 -04:00

65 lines
2.8 KiB
Python

"""The canonical-slug matcher — the line between what maps mechanically and
what a human is asked to confirm (milestone 307, note 3026).
These cases are the real drift found across the author's own instance: one area
carrying three spellings, and two areas that LOOK alike and are not the same.
Getting the boundary wrong in either direction is a silent failure — a missed
mapping nobody thinks to make again, or a cross-project record surfacing in the
wrong project.
"""
import pytest
from scribe.services.canonical_systems import canonical_slug
@pytest.mark.parametrize("name", ["CI & Release", "CI and Release", "CI & release",
" ci and release "])
def test_spelling_variants_of_one_area_collapse_to_one_key(name):
"""Case, spacing, punctuation and "&" vs "and" are not real differences.
All three of the first spellings were live in different projects at once."""
assert canonical_slug(name) == "ci-and-release"
@pytest.mark.parametrize("name,expected", [
("Auth & Access", "auth-and-access"),
("Data Model & Storage", "data-model-and-storage"),
("UI & Design", "ui-and-design"),
("Background Jobs", "background-jobs"),
("Observability", "observability"),
])
def test_the_seeded_vocabulary_slugs_match_the_migration(name, expected):
"""Migration 0087 writes these slugs literally. If the function and the
migration disagree, every seeded entry becomes unreachable by exact match
and every mapping silently degrades to a proposal."""
assert canonical_slug(name) == expected
@pytest.mark.parametrize("a,b", [
("CI & Release", "CI & runners"),
("Auth & Access", "Auth & Accounts"),
("UI & Design", "Frontend (Vue app)"),
("UI & Design", "Web Shell and Theme"),
])
def test_genuinely_different_names_do_not_collapse(a, b):
"""These pairs may or may not be the same area — that is a judgment call,
so they must NOT map automatically. They reach the operator as proposals."""
assert canonical_slug(a) != canonical_slug(b)
def test_a_nameless_system_yields_no_key():
"""An empty slug is the one value callers must special-case: two unnameable
Systems must not map onto each other. Both propose_mappings and find_by_name
bail on a falsy slug for this reason."""
assert canonical_slug("") == ""
assert canonical_slug(" ") == ""
assert canonical_slug("---") == ""
def test_a_punctuation_separator_is_not_read_as_the_word_and():
""""CI/Release" is a real spelling and it does NOT collapse onto
"CI & Release" — only "&" carries that meaning. It still reaches the
operator through the overlap path, where both words match; what it must not
do is map itself silently."""
assert canonical_slug("CI/Release") == "ci-release"
assert canonical_slug("CI/Release") != canonical_slug("CI & Release")