thu-maic--openmaic
wehub-resource-sync
46 行
1.4 KiB
TypeScript
46 行
1.4 KiB
TypeScript
import { describe, expect, it } from 'vitest';
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import { uniqAlignLines, type AlignLine } from '@/lib/utils/element';
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describe('uniqAlignLines', () => {
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it('dedupes by value and merges ranges to the outer bounds', () => {
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const lines: AlignLine[] = [
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{ value: 10, range: [0, 5] },
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{ value: 20, range: [2, 8] },
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{ value: 10, range: [3, 12] },
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{ value: 10, range: [-1, 4] },
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];
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expect(uniqAlignLines(lines)).toEqual([
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{ value: 10, range: [-1, 12] }, // min(0,3,-1) .. max(5,12,4)
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{ value: 20, range: [2, 8] },
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]);
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});
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it('preserves first-occurrence order', () => {
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const lines: AlignLine[] = [
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{ value: 30, range: [0, 1] },
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{ value: 10, range: [0, 1] },
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{ value: 20, range: [0, 1] },
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{ value: 10, range: [0, 1] },
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];
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expect(uniqAlignLines(lines).map((l) => l.value)).toEqual([30, 10, 20]);
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});
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it('returns a single line unchanged', () => {
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const lines: AlignLine[] = [{ value: 7, range: [1, 2] }];
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expect(uniqAlignLines(lines)).toEqual([{ value: 7, range: [1, 2] }]);
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});
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it('returns [] for empty input', () => {
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expect(uniqAlignLines([])).toEqual([]);
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});
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it('collapses many duplicates to the unique values (linear)', () => {
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const lines: AlignLine[] = Array.from({ length: 5000 }, (_, i) => ({
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value: i % 50,
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range: [i, i + 1] as [number, number],
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}));
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expect(uniqAlignLines(lines)).toHaveLength(50);
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});
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});
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