david raistrick
6f11edab94
hpFormula field persisted on participant doc (makeParticipant + builder). Add handler stores formula. Edit modal loads participant.hpFormula, reroll button sets maxHp field (no save until save). Edit submit persists formula. Formula only for monster/npc types.
61 lines
1.6 KiB
JavaScript
61 lines
1.6 KiB
JavaScript
// HP formula roll: parse "2d6+9" style, roll, return total.
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const shared = require('@ttrpg/shared');
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const { rollHpFormula } = shared;
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describe('rollHpFormula', () => {
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test('basic NdM', () => {
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const r = rollHpFormula('2d6');
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expect(r).toBeGreaterThanOrEqual(2);
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expect(r).toBeLessThanOrEqual(12);
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});
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test('NdM+bonus', () => {
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const r = rollHpFormula('2d6+9');
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expect(r).toBeGreaterThanOrEqual(11);
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expect(r).toBeLessThanOrEqual(21);
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});
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test('NdM-bonus', () => {
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const r = rollHpFormula('3d8-2');
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expect(r).toBeGreaterThanOrEqual(1);
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expect(r).toBeLessThanOrEqual(22);
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});
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test('single die', () => {
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const r = rollHpFormula('1d20');
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expect(r).toBeGreaterThanOrEqual(1);
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expect(r).toBeLessThanOrEqual(20);
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});
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test('case insensitive', () => {
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const r = rollHpFormula('2D6+5');
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expect(r).toBeGreaterThanOrEqual(7);
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expect(r).toBeLessThanOrEqual(17);
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});
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test('whitespace tolerant', () => {
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const r = rollHpFormula(' 2d6 + 9 ');
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expect(r).toBeGreaterThanOrEqual(11);
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expect(r).toBeLessThanOrEqual(21);
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});
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test('large die', () => {
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const r = rollHpFormula('4d12+10');
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expect(r).toBeGreaterThanOrEqual(14);
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expect(r).toBeLessThanOrEqual(58);
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});
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test('invalid returns null', () => {
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expect(rollHpFormula('abc')).toBeNull();
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expect(rollHpFormula('')).toBeNull();
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expect(rollHpFormula(null)).toBeNull();
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expect(rollHpFormula(undefined)).toBeNull();
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expect(rollHpFormula('2d')).toBeNull();
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expect(rollHpFormula('d6')).toBeNull();
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});
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test('zero dice invalid', () => {
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expect(rollHpFormula('0d6')).toBeNull();
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});
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});
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