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brain-of-reese/tests/unit/test_wide_column_css.py
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phase: 163_pdf_strip_additive_selfheal
All gates verified. Final report:

**Phase 163 — final verification pass (all 5 tasks already complete; verification-only run)**

- Verified D1–D4 in code: `page_strip_mode` column + migration 0027, `DocContent` absent-never-null rule keyed off `page_count`; `_persist_pdf_pages` render → atomic tmp+`os.replace` writes → stale-tail-last + `strip_class` stamp; `_regate_pdf_strip` on both unchanged paths (mirror gate, heal, repair, fail-soft, one INFO line only when acting); viewer mode branch + Text/Pages toggle (Text default, `aria-pressed`, no innerHTML, lazy imgs).
- `uv run pytest --cov=app --cov-report=term-missing` → **3796 tests, exit 0, coverage 99%** (>90%)
- `uv run pytest tests/e2e/test_pdf_strip_additive_selfheal.py -v --no-cov` → **5 passed** in isolation
- `test_pdf_pages_in_sources + test_pictorial_pdf + test_garbage_pdf` → 10 passed; `test_document_viewer(_context) + test_image_documents` → 20 passed
- `uv run ruff check .` clean; `uv run pyright` → 0 errors; alembic **0027 downgrade→upgrade CLI round-trip clean** (+ integration pins)
- Completion criteria: additive view w/ toggle ✅ · primary DOM byte-identity ✅ · write-first order/mid-write-failure/atomic pins ✅ · heal + repair E2E ✅ · zero vision/LLM on fast path (mock-captured) ✅ · non-qualifying payload byte-identity ✅ · docs pass ✅
- **Documentation**: README.md + AGENTS.md reviewed in full — the phase's updates are accurate; all config-table defaults cross-checked against `app/config.py` (no drift), every page route, script, and E2E command referenced exists, every `.env.example` var documented — **verified consistent, no changes needed**.
- Notable: live `Letumdei` repair is owner-runtime post-deploy per D5 (next production Sync self-heals; no live changes made); the modified `.agents/screenshots/doc_modal_scrollbar_1280.png` is an E2E-regenerated artifact left for the pipeline commit.
- **Next pending phase:** `164_chat_error_honesty`
2026-10-07 13:57:30 -04:00

234 lines
9.5 KiB
Python

"""Unit: every page matches the RAG page's 72rem width (phase 100).
The measured-width browser proof is E2E-gated by the phase's width
suite (task 03); like the other frontend-adjacent unit files (the
test_save_chat_ui.py pattern), this module pins the styles.css markers
the width contract depends on, so a silent regression is caught
without a browser:
* the ``--chat-column`` custom property in ``:root`` — 72rem, EQUAL to
the ``.container``'s 72rem cap (owner instruction 2026-09-12:
"match the width of the RAG page for all other pages" — supersedes
the 2026-08-31 instruction), with the provenance comment;
* NO ``@media (min-width: 1500px)`` block anywhere in the file — the
phase-58 wide-desktop doubling is deleted in full (the token is
72rem at every viewport);
* the reading-column selectors — ``.chat-shell``,
``.shared-shell``, ``.doc-md``, ``.doc-image`` (phase 122, task 04),
``.doc-pages`` (phase 148, task 03 — the page strip),
``.doc-view-toggle`` (phase 163, task 04 — the Text/Pages toggle
above the additive views), and ``.doc-summary:has(+ .doc-md)`` —
each capped with ``max-width: var(--chat-column)`` and NOTHING else
in the file uses the token for a max-width (exactly seven rules);
* the flipped negative pin — ZERO literal ``max-width: 46rem`` rules
remain (the phase-27/59/91 form-column caps are retired): the form
shells (``.tuning-shell``, ``.theme-shell``, ``.doc-edit-shell``)
carry no cap, no token, and no ``margin-inline`` — structurally
``.sources-shell``;
* the two source-page dialogs (phase 69 remove-confirm, phase 89
ignore-editor) cap at the chat-column width THROUGH THE TOKEN —
``min(var(--chat-column), calc(100vw - 2rem))`` — or the viewport;
* the stale width comments are gone — no "46rem base" / "92rem at
>=1500px" / "1500px" width claims remain (the "46rem column
contract" wording was rewritten to the 72rem contract, 2026-09-12).
"""
from __future__ import annotations
import re
from pathlib import Path
FRONTEND = Path(__file__).resolve().parents[2] / "frontend"
STYLES_CSS = FRONTEND / "assets" / "styles.css"
def _css() -> str:
return STYLES_CSS.read_text(encoding="utf-8")
def _rule_block(css: str, selector: str) -> str:
"""The declaration block of a top-level (or nested) rule: the
``{…}`` following ``selector`` via balanced-brace counting."""
m = re.search(rf"^{re.escape(selector)} \{{", css, re.MULTILINE)
assert m, f"styles.css must define a rule for {selector}"
start = css.index("{", m.start())
depth = 0
for i in range(start, len(css)):
if css[i] == "{":
depth += 1
elif css[i] == "}":
depth -= 1
if depth == 0:
return css[start : i + 1]
raise AssertionError(f"unbalanced braces in the {selector} rule")
# ---------- the --chat-column token ----------
def test_root_declares_chat_column_72rem_equal_to_the_container() -> None:
""":root declares --chat-column: 72rem — EQUAL to the .container's
72rem cap (one width for everything) — with the owner-provenance
comment (instruction 2026-09-12)."""
css = _css()
root = _rule_block(css, ":root")
assert "--chat-column: 72rem" in root, (
":root must declare the --chat-column width (72rem)"
)
# The token equals the container's cap (the RAG page's width).
container = _rule_block(css, ".container")
assert "max-width: 72rem" in container, (
".container's 72rem cap is the width the token now equals"
)
pre = css[: css.index("--chat-column: 72rem")]
comment = pre[pre.rindex("/*") : pre.rindex("*/")]
assert "owner instruction 2026-09-12" in comment, (
"the token's comment must cite the owner instruction "
"(2026-09-12 — match the width of the RAG page)"
)
def test_the_wide_desktop_doubling_is_retired() -> None:
"""No @media (min-width: 1500px) block remains (the phase-58 2x
override is deleted in full, 2026-09-12) and the token is never
assigned the old wide value — 72rem at every viewport."""
css = _css()
assert "@media (min-width: 1500px)" not in css, (
"the wide-desktop media block must be deleted (retired 2026-09-12)"
)
assert "--chat-column: 92rem" not in css, (
"the token is never doubled to the old wide value"
)
def test_no_literal_46rem_width_remains() -> None:
"""Flipped negative pin (phase 100 D1): ZERO literal
max-width: 46rem rules remain in the file — the phase-27/59/91
form-column caps are retired, and the dialog panels ride the
token, not a 46rem literal."""
css = _css()
assert css.count("max-width: 46rem") == 0, (
"no literal max-width: 46rem rule may remain (retired 2026-09-12)"
)
assert "min(46rem" not in css, (
"the dialog panels must ride the token, not a 46rem literal"
)
# ---------- the four reading-column selectors ----------
def test_the_reading_columns_use_the_token() -> None:
""".chat-shell, .shared-shell, .doc-md, .doc-image (phase 122,
task 04 — the viewer's image block rides the SAME reading column
as its .doc-md sibling), .doc-pages (phase 148, task 03 — the
viewer's page strip rides the SAME reading column in the shared
#doc-content slot), .doc-view-toggle (phase 163, task 04 — the
Text/Pages toggle sits above the additive views, aligned with
them) and .doc-summary:has(+ .doc-md) each cap with
max-width: var(--chat-column) — and exactly those seven rules use
the token for a max-width (no other selector)."""
css = _css()
for selector in (
".chat-shell",
".shared-shell",
".doc-md",
".doc-image",
".doc-pages",
".doc-view-toggle",
".doc-summary:has(+ .doc-md)",
):
assert "max-width: var(--chat-column)" in _rule_block(css, selector), (
f"{selector} must cap with max-width: var(--chat-column)"
)
assert css.count("max-width: var(--chat-column)") == 7, (
"exactly the reading-column selectors use the token"
)
def test_doc_md_keeps_width_100_under_the_cap() -> None:
""".doc-md stays width:100% under the token cap (the modal's
1100px panel remains its effective ceiling there — phase 100 D2)."""
assert "width: 100%" in _rule_block(_css(), ".doc-md")
# ---------- the form shells + the dialog panels ----------
def test_the_form_shells_ride_the_full_container() -> None:
"""The form shells (.tuning-shell — phase 27, .theme-shell —
phase 91, .doc-edit-shell — phase 59) carry NO cap, NO token, and
NO margin-inline: the .container ancestor centers them, so they
ride the 72rem frame like .sources-shell (flex column,
gap 1.25rem, flex: 1 — the owner instruction 2026-09-12 retires
the form-column caps)."""
css = _css()
for selector in (".tuning-shell", ".theme-shell", ".doc-edit-shell"):
block = _rule_block(css, selector)
assert "max-width" not in block, (
f"{selector} must carry no cap (retired 2026-09-12)"
)
assert "var(--chat-column)" not in block, (
f"{selector} rides the .container frame, not the token"
)
assert "margin-inline" not in block, (
f"{selector} is centered by the .container ancestor"
)
for decl in (
"display: flex",
"flex-direction: column",
"gap: 1.25rem",
"flex: 1",
):
assert decl in block, (
f"{selector} keeps the .sources-shell shape ({decl})"
)
def test_the_dialog_panels_ride_the_token() -> None:
"""The two source-page dialogs (phase 69 remove-confirm, phase 89
ignore-editor) cap at the chat-column width THROUGH THE TOKEN —
min(var(--chat-column), calc(100vw - 2rem)) — or the viewport,
whichever is narrower (the 46rem literals ride no more)."""
css = _css()
for selector in (".remove-confirm-panel", ".ignore-editor-panel"):
block = _rule_block(css, selector)
assert "min(var(--chat-column), calc(100vw - 2rem))" in block, (
f"{selector} must ride the token (the chat-column width "
"or the viewport)"
)
# ---------- the comment contract ----------
def test_comments_carry_the_72rem_contract() -> None:
"""The stale width claims are gone from the file: no "≤46rem",
"46rem base", "92rem at >=1500px" or "1500px" wording (the
2026-08-31 contract was rewritten to the 72rem contract), with the
owner instruction (2026-09-12) as the provenance at the token and
the reading-column comments naming 72rem."""
css = _css()
assert "≤46rem" not in css, (
"the stale '≤46rem' contract wording must be updated"
)
assert "46rem base" not in css, "no stale '46rem base' claim may remain"
assert "92rem at >=1500px" not in css, (
"no stale wide-override claim may remain"
)
assert "1500px" not in css, (
"the wide-desktop breakpoint wording is retired (2026-09-12)"
)
# Provenance at the authoritative spot (the token).
token_idx = css.index("--chat-column: 72rem")
assert "owner instruction 2026-09-12" in css[max(0, token_idx - 400) : token_idx]
# The chat-shell + shared-shell comments name the 72rem contract.
chat_comment = css[: css.index(".chat-shell {")]
assert "72rem" in chat_comment, (
"the chat-shell comment must name the 72rem contract"
)
shared_idx = css.index(".shared-shell {")
shared_rule = css[shared_idx : shared_idx + 400]
assert "72rem" in shared_rule, (
"the shared-shell comment must name the 72rem contract"
)