mtcute/packages/file-id/tests/parse.spec.ts

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

import { Long } from '@mtcute/core'
import { hexDecodeToBuffer } from '@mtcute/core/utils.js'

import { parseFileId } from '../src/index.js'
import { tdFileId as td } from '../src/types.js'

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

describe('parsing file ids', () => {
    const test = (id: string, expected: td.RawFullRemoteFileLocation) => {
        expect(parseFileId(id)).eql(expected)
    }

    it('parses common file ids', () => {
        test('CAACAgIAAxkBAAEJny9gituz1_V_uSKBUuG_nhtzEtFOeQACXFoAAuCjggfYjw_KAAGSnkgfBA', {
            _: 'remoteFileLocation',
            dcId: 2,
            fileReference: hexDecodeToBuffer('0100099f2f608adbb3d7f57fb9228152e1bf9e1b7312d14e79'),
            location: {
                _: 'common',
                accessHash: Long.fromString('5232780349138767832'),
                id: Long.fromString('541175087705905756'),
            },
            type: td.FileType.Sticker,
        })
        test('BQACAgIAAxkBAAEJnzNgit00IDsKd07OdSeanwz8osecYAACdAwAAueoWEicaPvNdOYEwB8E', {
            _: 'remoteFileLocation',
            dcId: 2,
            fileReference: hexDecodeToBuffer('0100099f33608add34203b0a774ece75279a9f0cfca2c79c60'),
            location: {
                _: 'common',
                accessHash: Long.fromString('-4610306729174144868'),
                id: Long.fromString('5213102278772264052'),
            },
            type: td.FileType.Document,
        })
    })

    it('parses thumbnails file ids', () => {
        test('AAMCAgADGQEAAQmfL2CK27PX9X-5IoFS4b-eG3MS0U55AAJcWgAC4KOCB9iPD8oAAZKeSK1c8w4ABAEAB20AA1kCAAIfBA', {
            _: 'remoteFileLocation',
            dcId: 2,
            fileReference: hexDecodeToBuffer('0100099f2f608adbb3d7f57fb9228152e1bf9e1b7312d14e79'),
            location: {
                _: 'photo',
                accessHash: Long.fromString('5232780349138767832'),
                id: Long.fromString('541175087705905756'),
                source: {
                    _: 'thumbnail',
                    fileType: td.FileType.Thumbnail,
                    thumbnailType: 'm',
                },
            },
            type: td.FileType.Thumbnail,
        })
    })

    it('parses profile pictures', () => {
        // big
        test('AQADAgATqfDdly4AAwMAA4siCOX_____AAhKowIAAR4E', {
            _: 'remoteFileLocation',
            dcId: 2,
            fileReference: null,
            location: {
                _: 'photo',
                accessHash: Long.ZERO,
                id: Long.ZERO,
                source: {
                    _: 'dialogPhotoLegacy',
                    id: -452451701,
                    accessHash: Long.ZERO,
                    big: true,
                    localId: 172874,
                    volumeId: Long.fromString('200116400297'),
                },
            },
            type: td.FileType.ProfilePhoto,
        })

        // small
        test('AQADAgATqfDdly4AAwIAA4siCOX_____AAhIowIAAR4E', {
            _: 'remoteFileLocation',
            dcId: 2,
            fileReference: null,
            location: {
                _: 'photo',
                accessHash: Long.ZERO,
                id: Long.ZERO,
                source: {
                    _: 'dialogPhotoLegacy',
                    id: -452451701,
                    accessHash: Long.ZERO,
                    big: false,
                    localId: 172872,
                    volumeId: Long.fromString('200116400297'),
                },
            },
            type: td.FileType.ProfilePhoto,
        })
    })

    it('parses channel pictures', () => {
        // big
        test('AQADAgATySHBDgAEAwAD0npI3Bb___-wfxjpg7QCPf8pBQABHwQ', {
            _: 'remoteFileLocation',
            dcId: 2,
            fileReference: null,
            location: {
                _: 'photo',
                accessHash: Long.ZERO,
                id: Long.ZERO,
                source: {
                    _: 'dialogPhotoLegacy',
                    id: -1001326609710,
                    accessHash: Long.fromString('4396274664911437744'),
                    big: true,
                    localId: 338431,
                    volumeId: Long.fromString('247538121'),
                },
            },
            type: td.FileType.ProfilePhoto,
        })
        // small
        test('AQADAgATySHBDgAEAgAD0npI3Bb___-wfxjpg7QCPf0pBQABHwQ', {
            _: 'remoteFileLocation',
            dcId: 2,
            fileReference: null,
            location: {
                _: 'photo',
                accessHash: Long.ZERO,
                id: Long.ZERO,
                source: {
                    _: 'dialogPhotoLegacy',
                    id: -1001326609710,
                    accessHash: Long.fromString('4396274664911437744'),
                    big: false,
                    volumeId: Long.fromString('247538121'),
                    localId: 338429,
                },
            },
            type: td.FileType.ProfilePhoto,
        })
    })

    it('parses older short file ids', () => {
        test('CAADAQADegAD997LEUiQZafDlhIeAg', {
            _: 'remoteFileLocation',
            dcId: 1,
            fileReference: null,
            location: {
                _: 'common',
                accessHash: Long.fromString('2166960137789870152'),
                id: Long.fromString('1282363671355326586'),
            },
            type: td.FileType.Sticker,
        })
    })
})