Files
nonograms/src/utils/puzzleUtils.spec.js

52 lines
1.2 KiB
JavaScript

import { describe, it, expect } from 'vitest'
import { calculateHints } from './puzzleUtils'
describe('puzzleUtils', () => {
it('calculateHints correctly calculates hints for a simple grid', () => {
const grid = [
[1, 0, 1],
[1, 1, 1],
[0, 1, 0]
]
// Row 0: 1, then space, then 1 -> [1, 1]
// Row 1: 1, 1, 1 -> [3]
// Row 2: space, 1, space -> [1]
// Col 0: 1, 1, 0 -> [2]
// Col 1: 0, 1, 1 -> [2] ? Wait. Col 1 is 0, 1, 1. So space, 1, 1 -> [2].
// Let's trace col 1 manually:
// r0,c1 = 0
// r1,c1 = 1 -> count=1
// r2,c1 = 1 -> count=2
// end -> push 2.
// So Col 1 is [2].
// Wait, my manual trace above for col 1:
// grid[0][1] is 0.
// grid[1][1] is 1.
// grid[2][1] is 1.
// Yes, [2].
// Col 2: 1, 1, 0 -> [2].
const expected = {
rowHints: [[1, 1], [3], [1]],
colHints: [[2], [2], [2]]
}
expect(calculateHints(grid)).toEqual(expected)
})
it('calculateHints handles empty rows/cols', () => {
const grid = [
[0, 0, 0],
[0, 0, 0],
[0, 0, 0]
]
const expected = {
rowHints: [[0], [0], [0]],
colHints: [[0], [0], [0]]
}
expect(calculateHints(grid)).toEqual(expected)
})
})