preserves/implementations/javascript/packages/core/test/reader.test.ts

59 lines
2.7 KiB
TypeScript

import { Bytes, Decoder, genericEmbeddedType, encode, Reader, Double, KeyedDictionary, Value } from '../src/index';
import './test-utils';
import * as fs from 'fs';
describe('reading common test suite', () => {
const samples_bin = fs.readFileSync(__dirname + '/../../../../../tests/samples.bin');
const samples_pr = fs.readFileSync(__dirname + '/../../../../../tests/samples.pr', 'utf-8');
it('should read equal to decoded binary without annotations', () => {
const s1 = new Reader(samples_pr, { embeddedDecode: genericEmbeddedType, includeAnnotations: false }).next();
const s2 = new Decoder(samples_bin, { embeddedDecode: genericEmbeddedType, includeAnnotations: false }).next();
expect(s1).is(s2);
});
it('should read equal to decoded binary with annotations', () => {
const s1 = new Reader(samples_pr, { embeddedDecode: genericEmbeddedType, includeAnnotations: true }).next();
const s2 = new Decoder(samples_bin, { embeddedDecode: genericEmbeddedType, includeAnnotations: true }).next();
expect(s1).is(s2);
});
it('should read and encode back to binary with annotations', () => {
const s = new Reader(samples_pr, { embeddedDecode: genericEmbeddedType, includeAnnotations: true }).next();
const bs = Bytes.toIO(encode(s, {
embeddedEncode: genericEmbeddedType,
includeAnnotations: true,
canonical: true,
}));
// console.log('original', new Bytes(samples_bin).toHex());
// console.log('reencoded', new Bytes(bs).toHex());
expect(bs).toEqual(new Uint8Array(samples_bin));
});
it('should be ok with no whitespace at the end of a numeric input', () => {
expect(new Reader('123').next()).toEqual(123);
expect(new Reader('123.0').next()).toEqual(Double(123.0));
expect(new Reader('123.00').next()).toEqual(Double(123.0));
});
it('should produce a sensible JS object for symbol-keyed dictionaries', () => {
expect(new Reader('{a: 1, b: 2}').next()).toEqual({a: 1, b: 2});
});
it('should produce a sensible dictionary for mixed-keyed dictionaries', () => {
expect(new Reader('{a: 1, "b": 2}').next()).is(
new KeyedDictionary([[Symbol.for('a'), 1], ["b", 2]] as [Value, Value][]));
});
it('should produce a sensible dictionary for string-keyed dictionaries', () => {
expect(new Reader('{"a": 1, "b": 2}').next()).is(
new KeyedDictionary([["a", 1], ["b", 2]] as [Value, Value][]));
});
it('should produce a sensible dictionary for integer-keyed dictionaries', () => {
expect(new Reader('{9: 1, 8: 2}').next()).is(
new KeyedDictionary([[9, 1], [8, 2]] as [Value, Value][]));
});
});