jheapsandClaude Opus 5
b9b2237dbe
runAll() did not include the contrast check — it simply wasn't in the list — and
touch targets sat behind an opt-in flag nothing passed. So "the audit is clean"
has meant nine checks rather than eleven for a long run of rounds, and the two
left out are the two whose faults a dealer meets in a dim room with their thumb.
Both were written, tested, and then never called; the contrast checker was built
across two rounds and every sweep since has been silent about colour.
The standalone runner had a second version of the same hole: the 44px rule
stands itself down where `hover: hover` says there's a pointer, and a headless
desktop browser is a pointer, so a single pass had never measured a touch target
at any viewport. It now runs every viewport twice, once with a mouse and once
with a thumb.
A check that decides it doesn't apply now says so, rather than reporting an empty
offenders list — which reads exactly like a pass.
Faded text is measured instead of filed as unchecked. `opacity` on a box fades
the box and its text together onto whatever is behind it, so a dimmed seat is not
grey text on a dark puck: it is a faded puck and faded text both landing on the
page. Both halves are composited that way now. Two exemptions remain and both say
so out loud: a disabled control, which WCAG itself excuses, and a link inside a
sentence, whose size is set by the line it sits in.
What running them found, and this round fixes:
- the chair number on every seat: #8a8a8a at 9px, 3.39:1 once the empty seat's
fade is composited, on the label that answers "which seat is that?";
- Quick Split's amount field at 37px tall and its delete button at 30px across,
on a page whose targets had never been measured;
- and on a 360x640 phone with the bar grown by a side pot, the bottom seat
sitting 38px inside it.
That last one brings back a cap this project measured and rejected once: capping
the felt to the room left fixed the six-seat ring and broke the nine-seat one.
That trade was real then and isn't now — seats are spaced by distance around the
rim rather than by angle, so a shorter felt no longer piles them up. Re-measured
across 30 combinations of five phone sizes and 2 to 12 seats: every one clean
except twelve seats at 360x640, where a 240px felt and a 64px puck cannot both be
true. Where the rim can't give each seat a puck's width, the pucks come down a
size, measured from the rim itself rather than from a media query.
Co-Authored-By: Claude Opus 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_015bnp7xKUPFFSpwkYNFaPgb
5.2 KiB
Hold'em dealer tests
Unit tests for the money logic behind /Casino/TexasHoldem — the betting engine, the
side-pot calculator, the split calculator and the table state.
node --test tests/holdem/*.test.js
No install step, no package.json, no dependencies. The browser modules are plain
script-tag files that each end with a module.exports guard, so Node can require them
as-is; load.js puts them on globalThis under the same names they use to find each
other in the page, in the load order from TexasHoldem.cshtml.
What's covered
| File | Covers |
|---|---|
potCalculator.test.js |
Main and side pots, dead money, uncalled bets, odd-cent distribution |
betting.test.js |
Blinds, street completion, raises reopening the action, all-in run-outs |
state.test.js |
Button rotation, which seats post blinds, session standings |
splitCalculator.test.js |
Chopped pots, odd chips, unmakeable denominations |
invariants.test.js |
1000 randomised hands per property (see below) |
The layout audit
The unit tests above cover the money. uiAudit.js covers the thing you can only see
in a browser: whether a dealer can actually reach every control.
node tests/holdem/runUiAudit.js # needs Playwright and the site running
It checks WCAG AA contrast, touch target sizes, touch-action and tap highlights, that fields stay selectable and are large enough not to trigger iOS zoom, that nothing important is covered or off-screen with no way to scroll to it, that no grid column has collapsed to nothing, and that no text is painted outside its box. It runs over the table, all five overlays and Quick Split, at thirteen viewports from a 360px phone to a 1600px desktop and the same phones on their side — each viewport twice, once with a mouse and once with a thumb.
That last part, and two of those checks, are newer than this paragraph claiming them.
runAll() did not include the contrast check at all, and touch targets sat behind an
opt-in flag nothing passed, so "the audit is clean" meant nine checks rather than
eleven for a long run of rounds. Both were written and tested and simply never called.
The mouse/thumb pair matters for the same reason: the 44px rule stands itself down
where hover: hover says there is a pointer, and a headless desktop browser is a
pointer, so a single pass had never measured a touch target at any viewport. Between
them they found a 9px seat label at 3.39:1, a 37px-tall amount field and a 30px delete
button on Quick Split.
A check that decides it doesn't apply says so in the output rather than reporting no offenders, which reads identically to a pass. The same goes for the two exemptions that exist: a disabled control, which WCAG itself excuses, and a link inside a sentence, whose size is set by the line it sits in.
Deliberately not in CI: the unit suite is dependency-free and runs in a second, while
this one needs a browser and a running site. Run it after any change that adds or
resizes a control. With no Playwright to hand, paste uiAudit.js into devtools and
call LayoutAudit.runAll().
The contrast check is built so it cannot report a false positive: backgrounds
composite through alpha, and where a gradient is involved every colour stop is tried
and the most flattering one used. A finding means the text fails even under the
reading most generous to it. Two earlier attempts at this got it wrong in both
directions — one read only background-color and scored text on a gradient against
nothing, the other treated low-alpha stops as opaque — so uiAudit.js is checked
against known-answer cases before it is believed.
Touch targets are measured by probing outward with elementFromPoint rather than by
reading the element box, because the box lies in both directions: a small control can
be padded out with a transparent ::after and respond well beyond its painted size,
and a checkbox inside a label is hit by tapping the label. The 44px rule is only
enforced where hover: none says there's no mouse.
It exists because these checks were being re-typed into a console every time something changed, and each time they only covered whatever had just been touched. That is how the standings table shipped with a player-name column zero pixels wide and kept it for two rounds.
Why the randomised suite exists
Every correctness bug found in this tool so far has been shape-dependent: blinds posted to empty chairs, the button skipping past players, heads-up acting out of order, an overbet announced as a side pot. None of them show up on a full six-handed table with equal stacks, which is the table anyone writes a fixed example for.
invariants.test.js deals a thousand hands across random seat counts, random empty
chairs, random stack depths and random dealer input, and checks the things a dealer
would notice being wrong:
- chips are never created or destroyed during play
- the pot breakdown plus the uncalled returns always equal the money that went in
- paying the pot out settles it to the cent
- once uncalled chips are handed back, nobody is still betting above the whole table
- the button and both blinds always land on players who are actually in the hand
The generator is seeded, so a failure reproduces from the seed printed in the message rather than being a flake to re-run.