mtcute/packages/file-id/tests/serialize-unique.spec.ts

import { expect } from 'chai'
import { describe } from 'mocha'

import { parseFileId, toUniqueFileId } from '../src'

// test file IDs are partially taken from https://github.com/luckydonald/telegram_file_id

describe('serializing unique file ids', () => {
    const test = (id: string, expected: string) => {
        expect(toUniqueFileId(parseFileId(id))).eql(expected)
    }

    it('serializes unique ids for old file ids', () => {
        test('CAADAQADegAD997LEUiQZafDlhIeAg', 'AgADegAD997LEQ')
    })

    it('serializes unique ids for common file ids', () => {
        test(
            'CAACAgEAAx0CVgtngQACAuFfU1GY9wiRG7A7jlIBbP2yvAostAACegAD997LEUiQZafDlhIeGwQ',
            'AgADegAD997LEQ',
        )
        test(
            'BQACAgIAAxkBAAEJnzNgit00IDsKd07OdSeanwz8osecYAACdAwAAueoWEicaPvNdOYEwB8E',
            'AgADdAwAAueoWEg',
        )
        test(
            'AAMCAgADGQEAAQmfM2CK3TQgOwp3Ts51J5qfDPyix5xgAAJ0DAAC56hYSJxo-8105gTAT_bYoy4AAwEAB20AA0JBAAIfBA',
            'AQADdAwAAueoWEhy',
        )
        test(
            'CAACAgIAAxkBAAEJny9gituz1_V_uSKBUuG_nhtzEtFOeQACXFoAAuCjggfYjw_KAAGSnkgfBA',
            'AgADXFoAAuCjggc',
        )
    })

    it('serializes unique ids for profile pictures', () => {
        // big
        test(
            'AQADAgATySHBDgAEAwAD0npI3Bb___-wfxjpg7QCPf8pBQABHwQ',
            'AQADySHBDgAE_ykFAAE',
        )
        // small
        test(
            'AQADAgATySHBDgAEAgAD0npI3Bb___-wfxjpg7QCPf0pBQABHwQ',
            'AQADySHBDgAE_SkFAAE',
        )
    })
})