91 lines
3.3 KiB
JavaScript
91 lines
3.3 KiB
JavaScript
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// Death saves: broken model. Current = single counter, 3=dying. D&D 5e needs
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// separate success/fail tracking:
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// 3 successes = stable (0hp unconscious, safe until healed)
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// 3 failures = dead
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// Current tracks "saves" (really fails via red X UI), no successes at all.
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// "Stable" state doesn't exist.
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//
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// RED: prove current can't model 3-success stability.
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'use strict';
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const shared = require('@ttrpg/shared');
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const { makeParticipant, startEncounter, applyHpChange, deathSave } = shared;
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function p(id) {
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return makeParticipant({ id, name: id, type: 'character',
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initiative: 10, maxHp: 100, currentHp: 100 });
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}
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function enc(ps, extra = {}) {
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return { name:'t', participants:ps, isStarted:false, isPaused:false,
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round:0, currentTurnParticipantId:null, turnOrderIds:[], ...extra };
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}
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const apply = (e, r) => r && r.patch ? { ...e, ...r.patch } : e;
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describe('death saves: missing success/stable model', () => {
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test('3 successes makes character stable (not dead, not dying)', () => {
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// Character at 0hp. Roll 3 successful death saves.
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let e = enc([p('a')]);
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e = apply(e, startEncounter(e));
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e = apply(e, applyHpChange(e, 'a', 'damage', 100)); // 0hp
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expect(e.participants[0].currentHp).toBe(0);
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// Roll 3 successful saves. Should mark stable.
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e = apply(e, deathSave(e, 'a', 'success', 1));
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e = apply(e, deathSave(e, 'a', 'success', 2));
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const r3 = deathSave(e, 'a', 'success', 3);
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e = apply(e, r3);
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// RED: current deathSave signature = (enc, id, saveNumber). No type arg.
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// Will throw or misbehave. Want: status field.
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expect(r3.status).toBe('stable');
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expect(e.participants[0].isDying).toBe(false);
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expect(e.participants[0].isStable).toBe(true);
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expect(e.participants[0].deathFails).toBe(0);
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});
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test('3 failures makes character dead (isDying for removal)', () => {
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let e = enc([p('a')]);
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e = apply(e, startEncounter(e));
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e = apply(e, applyHpChange(e, 'a', 'damage', 100));
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const r1 = deathSave(e, 'a', 'fail', 1);
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e = apply(e, r1);
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const r2 = deathSave(e, 'a', 'fail', 2);
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e = apply(e, r2);
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const r3 = deathSave(e, 'a', 'fail', 3);
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e = apply(e, r3);
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expect(r3.status).toBe('dead');
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expect(e.participants[0].isDying).toBe(true);
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expect(e.participants[0].deathFails).toBe(3);
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});
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test('successes and fails tracked independently', () => {
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// Mixed: 1 success, 2 fails, then 2 more successes = stable.
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let e = enc([p('a')]);
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e = apply(e, startEncounter(e));
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e = apply(e, applyHpChange(e, 'a', 'damage', 100));
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e = apply(e, deathSave(e, 'a', 'success', 1));
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expect(e.participants[0].deathSaves).toBe(1);
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expect(e.participants[0].deathFails).toBe(0);
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e = apply(e, deathSave(e, 'a', 'fail', 1));
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e = apply(e, deathSave(e, 'a', 'fail', 2));
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expect(e.participants[0].deathSaves).toBe(1);
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expect(e.participants[0].deathFails).toBe(2);
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// 2 more successes → total 3 successes → stable
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e = apply(e, deathSave(e, 'a', 'success', 2));
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const r = deathSave(e, 'a', 'success', 3);
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expect(r.status).toBe('stable');
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expect(e.participants[0].deathFails).toBe(2); // fails unchanged
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});
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test('deathSave signature: (enc, id, type, n)', () => {
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// type = 'success' | 'fail'. n = 1|2|3.
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expect(deathSave.length).toBe(4);
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});
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});
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