64 lines
2.7 KiB
JavaScript
64 lines
2.7 KiB
JavaScript
|
// removeParticipant + computeTurnOrderAfterRemoval edge cases.
|
||
|
|
|
||
|
|
const shared = require('@ttrpg/shared');
|
||
|
|
const { makeParticipant, startEncounter, nextTurn, removeParticipant, toggleParticipantActive, applyHpChange } = shared;
|
||
|
|
|
||
|
|
function p(id, init, extra = {}) {
|
||
|
|
return makeParticipant({ id, name: id, type: 'monster',
|
||
|
|
initiative: init, maxHp: 100, currentHp: 100, ...extra });
|
||
|
|
}
|
||
|
|
function enc(ps) {
|
||
|
|
return { name:'t', participants:ps, isStarted:false, isPaused:false,
|
||
|
|
round:0, currentTurnParticipantId:null, turnOrderIds:[] };
|
||
|
|
}
|
||
|
|
|
||
|
|
describe('removeParticipant turn-order edges', () => {
|
||
|
|
test('removing current picks next active as current', () => {
|
||
|
|
let e = enc([p('a',20),p('b',15),p('c',10)]);
|
||
|
|
e = { ...e, ...startEncounter(e).patch };
|
||
|
|
e = { ...e, ...removeParticipant(e, 'a').patch }; // a was current
|
||
|
|
expect(e.currentTurnParticipantId).toBe('b');
|
||
|
|
});
|
||
|
|
|
||
|
|
test('removing last in order wraps current to first', () => {
|
||
|
|
let e = enc([p('a',20),p('b',15),p('c',10)]);
|
||
|
|
e = { ...e, ...startEncounter(e).patch };
|
||
|
|
e = { ...e, ...nextTurn(e).patch }; // b
|
||
|
|
e = { ...e, ...nextTurn(e).patch }; // c (current)
|
||
|
|
e = { ...e, ...removeParticipant(e, 'c').patch };
|
||
|
|
expect(e.currentTurnParticipantId).toBe('a');
|
||
|
|
});
|
||
|
|
|
||
|
|
test('removing current when all others inactive → current null (BUG-9 candidate)', () => {
|
||
|
|
let e = enc([p('a',20),p('b',15),p('c',10)]);
|
||
|
|
e = { ...e, ...startEncounter(e).patch };
|
||
|
|
// deactivate b + c
|
||
|
|
e = { ...e, ...toggleParticipantActive(e, 'b').patch };
|
||
|
|
e = { ...e, ...toggleParticipantActive(e, 'c').patch };
|
||
|
|
// remove current a
|
||
|
|
e = { ...e, ...removeParticipant(e, 'a').patch };
|
||
|
|
expect(e.currentTurnParticipantId).toBeNull();
|
||
|
|
expect(e.turnOrderIds).toEqual([]);
|
||
|
|
// isStarted still true but no turn → nextTurn throws (stale state)
|
||
|
|
});
|
||
|
|
|
||
|
|
test('removing non-current keeps currentTurn', () => {
|
||
|
|
let e = enc([p('a',20),p('b',15),p('c',10)]);
|
||
|
|
e = { ...e, ...startEncounter(e).patch };
|
||
|
|
e = { ...e, ...removeParticipant(e, 'b').patch };
|
||
|
|
expect(e.currentTurnParticipantId).toBe('a');
|
||
|
|
expect(e.turnOrderIds).toEqual(['a', 'c']);
|
||
|
|
});
|
||
|
|
|
||
|
|
test('removing current that is dead (HP=0) - BUG-3 overlap', () => {
|
||
|
|
// Dead participant removed mid-combat. Desired (M4): they STAY in order.
|
||
|
|
// removeParticipant is explicit DM action, distinct from auto-skip.
|
||
|
|
let e = enc([p('a',20),p('b',15),p('c',10)]);
|
||
|
|
e = { ...e, ...startEncounter(e).patch };
|
||
|
|
e = { ...e, ...applyHpChange(e, 'b', 'damage', 100).patch }; // b dead
|
||
|
|
e = { ...e, ...removeParticipant(e, 'b').patch };
|
||
|
|
expect(e.turnOrderIds).not.toContain('b');
|
||
|
|
expect(e.participants.find(x => x.id === 'b')).toBeUndefined();
|
||
|
|
});
|
||
|
|
});
|