| 1 | import assert from "node:assert/strict"; |
| 2 | import { test } from "node:test"; |
| 3 | |
| 4 | import { COLUMNS, ROWS, creature } from "./pixel-creature.ts"; |
| 5 | |
| 6 | test("a seed always draws the same creature, symmetric and whole", () => { |
| 7 | assert.deepEqual(creature("margo"), creature("margo")); |
| 8 | for (const seed of ["margo", "ship", "a1", "reviewer", "", "zz-top"]) { |
| 9 | const { cells, colour } = creature(seed); |
| 10 | assert.equal(cells.length, ROWS); |
| 11 | assert.match(colour.fg, /^#[0-9a-f]{6}$/); |
| 12 | for (const row of cells) { |
| 13 | assert.equal(row.length, COLUMNS); |
| 14 | assert.deepEqual(row, [...row].reverse(), `${seed} is symmetric`); |
| 15 | } |
| 16 | // The spine holds it together. |
| 17 | for (let row = 1; row < ROWS - 1; row++) assert.notEqual(cells[row]![2], 0); |
| 18 | } |
| 19 | }); |
| 20 | |
| 21 | test("different seeds give different creatures", () => { |
| 22 | const drawn = new Set(["margo", "ship", "triage", "scribe", "builder", "reviewer", "nova", "pixel"].map((seed) => JSON.stringify(creature(seed)))); |
| 23 | assert.ok(drawn.size >= 7); |
| 24 | }); |