4645095105
Move Commander basic-land checks and deck aggregate metrics into lib/deck-builder-stats.js with unit tests; render the summary row via DeckBuilderStatsBar to shrink the page god-component. Co-authored-by: Cursor <cursoragent@cursor.com>
37 lines
1.2 KiB
JavaScript
37 lines
1.2 KiB
JavaScript
import { describe, it, expect } from 'vitest';
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import { computeDeckStats, isBasicLand, BASIC_LAND_NAMES } from '../../lib/deck-builder-stats.js';
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describe('isBasicLand', () => {
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it('returns true for each basic land name', () => {
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for (const name of BASIC_LAND_NAMES) {
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expect(isBasicLand({ name })).toBe(true);
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}
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});
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it('returns false for non-basic cards', () => {
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expect(isBasicLand({ name: 'Lightning Bolt' })).toBe(false);
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});
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});
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describe('computeDeckStats', () => {
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it('returns zeros for an empty deck', () => {
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expect(computeDeckStats([])).toEqual({
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totalCards: 0,
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avgCmc: 0,
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colorCounts: {},
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typeCounts: {},
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});
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});
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it('quantity-weights CMC and parses JSON colors', () => {
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const stats = computeDeckStats([
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{ quantity: 2, cmc: 3, colors: '["R","G"]', card_type: 'Creature — Elf' },
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{ quantity: 1, cmc: 1, colors: '["R"]', card_type: 'Instant' },
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]);
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expect(stats.totalCards).toBe(3);
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expect(stats.avgCmc).toBe('2.3');
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expect(stats.colorCounts).toEqual({ R: 3, G: 2 });
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expect(stats.typeCounts.Creature).toBe(2);
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expect(stats.typeCounts.Instant).toBe(1);
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});
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});
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