@bsv/sdk
Version:
BSV Blockchain Software Development Kit
72 lines • 3.62 kB
JavaScript
import { StorageUtils } from '../index.js';
import * as Utils from '../../primitives/utils.js';
import * as Hash from '../..//primitives/Hash.js';
// Example data
const exampleHashHex = '1a5ec49a3f32cd56d19732e89bde5d81755ddc0fd8515dc8b226d47654139dca';
const exampleHash = Utils.toArray(exampleHashHex, 'hex');
const exampleFileHex = '687da27f04a112aa48f1cab2e7949f1eea4f7ba28319c1e999910cd561a634a05a3516e6db';
const exampleFile = Utils.toArray(exampleFileHex, 'hex');
const exampleURL = 'XUT6PqWb3GP3LR7dmBMCJwZ3oo5g1iGCF3CrpzyuJCemkGu1WGoq';
describe('StorageUtils', () => {
describe('getURLForHash', () => {
it('Creates the correct URL for the hash', () => {
const url = StorageUtils.getURLForHash(exampleHash);
expect(url).toBe(exampleURL);
});
it('Throws an error if hash length is invalid', () => {
// Get the length of a FILE (not a hash — wrong length!)
expect(() => StorageUtils.getURLForHash(exampleFile)).toThrow(new Error('Hash length must be 32 bytes (sha256)'));
});
});
describe('getURLForFile', () => {
it('Creates the correct URL for the file', () => {
const url = StorageUtils.getURLForFile(exampleFile);
expect(url).toEqual(exampleURL);
});
});
describe('getHashFromURL', () => {
it('Decodes the URL to the correct hash', () => {
const hash = StorageUtils.getHashFromURL(exampleURL);
expect(Utils.toHex(hash)).toEqual(exampleHashHex);
});
it('Gets the same hash as getting one directly from the file', () => {
const hashA = StorageUtils.getHashFromURL(exampleURL);
const hashB = Hash.sha256(exampleFile);
expect(hashA).toEqual(hashB);
});
it('Throws an error if checksum is invalid', () => {
const badURL = 'XUU7cTfy6fA6q2neLDmzPqJnGB6o18PXKoGaWLPrH1SeWLKgdCKq';
expect(() => StorageUtils.getHashFromURL(badURL)).toThrow(new Error('Invalid checksum'));
});
it('Throws an error if URL length is invalid', () => {
const badURL = 'SomeBase58CheckTooShortOrTooLong';
expect(() => StorageUtils.getHashFromURL(badURL)).toThrow();
});
it('Throws an error if prefix is invalid', () => {
const invalidPrefixURL1 = 'AInvalidPrefixTestString1';
const invalidPrefixURL2 = 'AInvalidPrefixTestString2';
expect(() => StorageUtils.getHashFromURL(invalidPrefixURL1)).toThrow();
expect(() => StorageUtils.getHashFromURL(invalidPrefixURL2)).toThrow();
});
});
describe('isValidURL', () => {
it('Returns true when URL is valid', () => {
expect(StorageUtils.isValidURL(exampleURL)).toBe(true);
});
it('Returns false if checksum is invalid', () => {
const badURL = 'XUU7cTfy6fA6q2neLDmzPqJnGB6o18PXKoGaWLPrH1SeWLKgdCKq';
expect(StorageUtils.isValidURL(badURL)).toBe(false);
});
it('Returns false if URL length is invalid', () => {
const badURL = 'SomeBase58CheckTooShortOrTooLong';
expect(StorageUtils.isValidURL(badURL)).toBe(false);
});
it('Returns false if prefix is invalid', () => {
const badURL1 = 'AnotherInvalidPrefixTestString';
const badURL2 = 'YetAnotherInvalidPrefixTestString';
expect(StorageUtils.isValidURL(badURL1)).toBe(false);
expect(StorageUtils.isValidURL(badURL2)).toBe(false);
});
});
});
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