import { expect, test, describe } from "vitest";
import { getTestImagePath } from "@jimp/test-utils";
import { createJimp } from "@jimp/core";
import bmp from "@jimp/js-bmp";
import png from "@jimp/js-png";
import jpeg from "@jimp/js-jpeg";
import tiff from "@jimp/js-tiff";
import { methods, compareHashes, distance } from "./index.js";
const Jimp = createJimp({
formats: [bmp, png, jpeg, tiff],
plugins: [methods],
});
describe("hash", () => {
test("base 2", async () => {
const image = await Jimp.read(getTestImagePath("dice.png"));
expect(image.hash(2)).toBe(
"1100010000011111011010111110000000010101001011010101101000010010",
);
});
test("base 10 (decimal)", async () => {
const image = await Jimp.read(getTestImagePath("cops.jpg"));
expect(image.hash(10)).toBe("13442314021806033441");
});
test("base 16 (hex)", async () => {
const image = await Jimp.read(getTestImagePath("rgb.tiff"));
expect(image.hash(16)).toBe("949800481007044c");
});
test("base 64", async () => {
const image = await Jimp.read(getTestImagePath("windows95.bmp"));
expect(image.hash(64)).toBe("fb0xj0Mw400");
});
test("base 23", async function () {
const image = await Jimp.read(getTestImagePath("panoramic.jpg"));
expect(image.hash(23)).toBe("0m1m2id7l7cl4fb");
});
test("base 17", async () => {
const image = await Jimp.read(getTestImagePath("dice.png"));
expect(image.hash(17)).toBe("4ffe16bf68eee351");
});
});
describe("pHash", () => {
test("should calculate the distance using distanceFromHash", async function () {
const image1 = await Jimp.read(getTestImagePath("dice.png"));
const image2 = await Jimp.read(getTestImagePath("mask.png"));
const hash = image1.pHash();
expect(image2.distanceFromHash(hash)).toBe(distance(image1, image2));
});
test("should calculate the distance using compareHashes.", async function () {
const image1 = await Jimp.read(getTestImagePath("dice.png"));
const image2 = await Jimp.read(getTestImagePath("mask.png"));
const hash1 = image1.pHash();
const hash2 = image2.pHash();
expect(compareHashes(hash1, hash2)).toBe(distance(image1, image2));
});
});
